throbber

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`3Bl
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`US01170703
`
`a2) United States Patent
`US 11,707,033 B1
`(10) Patent No.:
`Stirling
`Jul. 25, 2023
`(45) Date of Patent:
`
`(54)
`
`(71)
`
`Applicant: PIONEER HI-BRED
`INTERNATIONAL,INC., Johnston,
`IA (US)
`
`(72)
`
`Inventor: Leah ViesselmannStirling, Spring
`Valley, IL (US)
`
`(73)
`
`Assignee:
`
`PIONEER HI-BRED
`INTERNATIONAL,INC., Johnston,
`1A (US)
`
`MAIZE INBRED 1PNZQ23
`
`(56)
`
`References Cited
`U.S. PATENT DOCUMENTS
`
`9,572,319 Bl
`9,706,732 Bl
`9,930,848 Bl *
`10,021,846 Bl
`10,653,095 Bl
`
`2/2017 Ross
`7/2017 Carlone
`42018 Lita vecccecceeee AOIH 6/4684
`7/2018 Carlone
`5/2020 Heffner
`
`OTHER PUBLICATIONS
`
`US. Appl. No. 17/377,577 for Maize Hybrid X08R693, filed Jul.
`16, 2021.
`
`(*)
`
`Notice:
`
`Subject to any disclaimer, the termofthis
`patent is extended or adjusted under 35
`U.S.C. 154(b) by 15 days.
`
`* cited by examiner
`
`Primary Examiner — Li Zheng
`
`(21)
`
`Appl. No.: 17/366,121
`
`(22)
`
`Filed:
`
`Jul. 2, 2021
`
`(51)
`
`(52)
`
`(58)
`
`Int. Cl.
`AOIH 5/10
`AOIH 6/46
`U.S. Cl.
`
`(2018.01)
`(2018.01)
`
`CPC vercesssseee AOIH 6/4684 (2018.05); AOIH 5/10
`(2013.01)
`
`Field of Classification Search
`CRO snuccmmmememmmmmmmmere AO1H 6/4684
`USPC ieee cece cesses ssesneseeaeeseeceseereaees 800/320.1
`See application file for complete search history.
`
`ABSTRACT
`(57)
`Anovel maizevariety designated 1PNZ.Q23 andseed, plants
`and plant parts thereof are provided. Methods for producing
`a maize plant comprise crossing maize variety 1PNZQ23
`with another maize plant are provided. Methods for produc-
`ing a maize plant containing in its genetic material one or
`moretraits introgressed into 1PNZQ23 through backcross
`conversion and/or transformation, and to the maize seed,
`plant and plant part produced thereby are provided. Hybrid
`maize seed, plants or plant parts are produced by crossing
`the variety 1PNZQ23 or a locus conversion of 1PNZQ23
`with another maize variety.
`
`20 Claims, No Drawings
`
`Inari Exhibit 1093
`Inari Exhibit 1093
`Inari v. Pioneer
`Inari v. Pioneer
`
`

`

`US 11,707,033 Bl
`
`1
`MAIZE INBRED 1PNZQ23
`
`BACKGROUND
`
`There are numerous steps in the development of any
`novel, desirable maize variety. Plant breeding begins with
`the analysis and definition of problems and weaknesses of
`the current germ plasm, the establishmentof program goals,
`and the definition of specific breeding objectives. The next
`step is selection of germplasm that possess the traits to meet
`the program goals. The breeder’s goal is to combine in a
`single variety or hybrid, various desirable traits. For field
`crops, these traits may include resistance to diseases and
`insects, resistance to heat and drought, reducing the time to
`crop maturity, greater yield, altered fatty acid profile, abiotic
`stress tolerance, improvements in compositional traits, and
`better agronomic characteristics and quality.
`These product development processes, which lead to the
`final step of marketing and distribution, can take from six to
`twelve years from the timethe first cross is made until the
`finished seed is delivered to the farmer for planting. There-
`fore, development of new varieties and hybrids is a time-
`consuming process. A continuing goal of maize breedersis
`to develop stable, high yielding maize varieties and hybrids
`that are agronomically sound with maximalyield over one
`or more different conditions and environments.
`
`SUMMARY
`
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`the growth medium may be comprisedin a container or may,
`for example, be soil in a field.
`Maize variety 1PNZQ23 comprising an added heritable
`trait is provided. The heritable trait may comprise a genetic
`locus that
`is a dominant or recessive allele. In certain
`
`
`
`embodiments, a plant of maize variety 1PNZQ23 compris-
`ing a single locus conversion is provided. The locus con-
`version may be one which confers one or moretraits such as,
`for example, malesterility, herbicide tolerance, insectresis-
`tance, disease resistance (including, for example) bacterial,
`fungal, nematode or viral disease, waxy starch, modified
`fatty acid metabolism, modified phytic acid metabolism,
`modified carbohydrate metabolism and modified protein
`metabolism is provided. The trait may be, for example,
`conferred by a naturally occurring maize gene introduced
`into the genomeofthe variety by backcrossing, a natural or
`induced mutation,or a transgene introduced through genetic
`transformation techniques. When introduced through trans-
`formation, a genetic locus may comprise one or more
`transgenes integrated at a single chromosomallocation.
`An inbred maizeplantofthe variety designated 1PNZQ23
`is provided, wherein a cytoplasmically-inherited trait has
`been introduced into the inbred plant. Such cytoplasmically-
`inherited traits are passed to progeny through the female
`parent in a particular cross. An exemplary cytoplasmically-
`inherited trait is the male sterility trait. Cytoplasmic-male
`sterility (CMS)is a pollen abortion phenomenon determined
`bythe interaction between the genes in the cytoplasm and
`the nucleus. Alteration in the mitochondrial genomeand the
`lack of restorer genes in the nucleus will lead to pollen
`Provided is a novel maize, Zea mays L., variety, desig-
`abortion. With either a normal cytoplasm orthe presence of
`nated 1PNZQ23 and processes for making 1PNZQ23. Seed
`restorer gene(s) in the nucleus, the plant will produce pollen
`of maize variety 1PNZQ23, plants of maize variety
`normally. A CMSplant can be pollinated by a maintainer
`1PNZQ23, plant parts and cells of maize variety 1PNZQ23,
`version of the same variety, which has a normal cytoplasm
`and to processes for making a maize plant that comprise
`but lacks the restorer gene(s) in the nucleus and continuesto
`crossing maize variety 1PNZQ23 with another maize plant
`be malesterile in the next generation. The malefertility of
`are provided. Also provided are maize plants havingall the
`a CMSplant can be restored bya restorer version of the
`physiological and morphological characteristics of the
`same variety, which has the restorer gene(s) in the nucleus.
`inbred maize variety 1PNZQ23.
`With the restorer gene(s) in the nucleus, the offspring of the
`Processes are provided for making a maize plant contain-
`male-sterile plant can produce normal pollen grains and
`ing in its genetic material one or moretraits introgressed into
`propagate. A cytoplasmically inherited trait may be a natu-
`1PNZQ23 through one or more of backcross conversion,
`rally occurring maize trait or a trait
`introduced through
`genetic manipulation and transformation, and to the maize
`genetic transformation techniques.
`seed, plant and plant parts produced thereby. Hybrid maize
`A tissue culture of regenerable cells of a plant of variety
`seed,plants or plant parts produced bycrossing the variety
`1PNZQ23 is provided. The tissue culture can be capable of
`1PNZQ23 or a locus conversion of 1PNZQ23 with another
`regenerating plants capable of expressing all of the physi-
`maize variety are also provided.
`ological and morphological or phenotypic characteristics of
`The inbred maize plant mayfurther comprise a cytoplas-
`the variety, and of regenerating plants having substantially
`mic or nuclear factor capable of conferring malesterility or
`
`the same genotype as other plants of the variety.Examples
`otherwise preventing self-pollination, such as byself-incom-
`of some of the physiological and morphological character-
`patibility. Parts of the maize plant described herein are also
`istics that may be assessed include characteristics related to
`provided, for example, pollen obtained from an inbred plant
`yield, maturity, and kernel quality. The regenerable cells in
`and an ovule of the inbred plant.
`such tissue cultures can be derived, for example, from
`Seed of the inbred maize variety 1PNZQ23 is provided.
`embryos, meristematic cells, immaturetassels, microspores,
`The inbred maize seed may be an essentially homogeneous
`pollen, leaves, anthers, roots, root tips, silk, flowers, kernels,
`population of inbred maize seed of the variety designated
`ears, cobs, husks, or stalks, or from callus or protoplasts
`1PNZQ23. Essentially homogeneous populations of inbred
`derived from those tissues. Maize plants regenerated from
`seed are generally free from substantial numbers of other
`the tissue cultures, and plants having all the physiological
`seed. Therefore, inbred seed generally forms at least about
`and morphological characteristics of variety 1PNZQ23 are
`97% of the total seed. The population of inbred maize seed
`also provided.
`maybe particularly defined as being essentially free from
`Processes are provided for producing maize seeds or
`hybrid seed. The inbred seed population may be separately
`
`grownto provide an essentially homogeneous population of plants, which processes generally comprise crossingafirst
`inbred maize plants designated 1PNZQ23.
`parent maizeplant as a male or female parent with a second
`Compositions are provided comprising a seed of maize
`parent maize plant, whereinat least one ofthefirst or second
`variety 1PNZQ23 comprised in plant seed growth media. In
`parent maize plants is a plant of the variety designated
`certain embodiments, the plant seed growth media is a soil
`1PNZQ23. These processes may be further exemplified as
`or synthetic cultivation medium. In specific embodiments,
`processes for preparing hybrid maize seed orplants, wherein
`
`

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`US 11,707,033 Bl
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`3
`a first inbred maize plant is crossed with a second maize
`plantof a different, distinct variety to provide a hybrid that
`has, as one of tts parents, the inbred maize plant variety
`1PNZQ23. In these processes, crossing will result in the
`productionof seed. The seed production occurs regardless of
`whetherthe seed is collected ornot.
`In some embodiments, the first step in “crossing” com-
`prises planting, such as in pollinating proximity, seeds of a
`first and second parent maizeplant, and preferably, seeds of
`a first inbred maizeplant and a second, distinct inbred maize
`plant. Where the plants are not in pollinating proximity,
`pollination can be achieved by transferring a pollen or tassel
`bag from one plant to the other as described below.
`Asecond step comprises cultivating or growing the seeds
`of said first and second parent maize plants into plants that
`bear flowers—male flowers (tassels) and female flowers
`(silks).
`A third step comprises preventing self-pollination of the
`plants,
`i.e., preventing the silks of a plant from being
`fertilized by any plant of the same variety, including the
`same plant. This can be done by emasculating the male
`flowers of the first or second parent maize plant,
`(1.e.,
`treating or manipulating the tassels so as to prevent pollen
`production, to produce an emasculated parent maize plant).
`Self-incompatibility systems may also be used in some
`hybrid crops for the same purpose. Self-incompatible plants
`still shed viable pollen and can pollinate plants of other
`varieties but are incapableof pollinating themselves or other
`plants of the same variety.
`A fourth step may comprise allowing cross-pollination to
`occur between the first and second parent maize plants.
`Whenthe plants are not in pollinating proximity, this is done
`by placing a bag, usuallypaper orglassine, over the tassels
`of the first plant and another bag over the silks of the
`incipient ear on the second plant. The bagsare left in place
`for at least 24 hours. Sincepollen is viable for less than 24
`hours, this assures thatthe silks are not pollinated from other
`pollen sources, that any stray pollen on thetasselsofthefirst
`plant is dead, and that the only pollen transferred comes
`from thefirst plant. The pollen bag over the tasselofthe first
`plant is then shaken vigorously to enhancerelease ofpollen
`from thetassels, and the shoot bag is removed from the silks
`of the incipient ear on the secondplant. Finally, the pollen
`bag is removedfrom the tasselofthe first plant and is placed
`overthe silks of the incipient ear of the second plant, shaken
`again andleft in place. Yet another step comprises harvest-
`ing the seeds from at least one of the parent maizeplants.
`The harvested seed can be grown to produce a maize plant
`or hybrid maize plant.
`Also provided are maize seed and plants produced by a
`process that comprises crossing a first parent maize plant
`with a second parent maizeplant, wherein at least one of the
`first or second parent maize plants is a plant of the variety
`designated 1PNZQ23. In one embodiment, maize seed and
`plants produced by the process are first generation (F1)
`hybrid maize seed and plants producedby crossing an inbred
`with another, distinct plant such as another inbred. Seed of
`an F1 hybrid maize plant and an F1 hybrid maize plant and
`seed thereof are provided.
`The genetic complement of the maize plant variety des-
`ignated 1PNZQ23 is provided. The phrase “genetic comple-
`ment” is used to refer to the aggregate of nucleotid
`oo
`sequences, the expression of which sequences defines th
`phenotype of, in the present case, a maizeplant, or a cell o
`tissue of that plant. A genetic complement thus represent
`the genetic make-up ofan inbred cell, tissue or plant, and
`hybrid genetic complementrepresents the genetic make-
`
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`of a hybrid cell, tissue or plant. Maize plant cells that have
`a genetic complement in accordance with the inbred maize
`plant cells disclosed herein, and plants, seeds and diploid
`plants containing such cells are provided.
`Plant genetic complements may be assessed by genetic
`marker profiles, and by the expression of phenotypic traits
`that are characteristic of the expression of the genetic
`complement, e.g., isozyme typing profiles. It is understood
`that variety 1PNZQ23 could be identified by any of the
`many well-known techniques used for genetic profiling
`disclosed herein.
`In another aspect, hybrid genetic complements are pro-
`vided, as represented by maizeplant cells, tissues, plants,
`and seeds, formed by the combination of a haploid genetic
`complement of an inbred maize plant disclosed herein with
`a haploid genetic complementof a second maizeplant, such
`as, another, distinct inbred maize plant. In another aspect, a
`maize plant regenerated from a tissue culture that comprises
`a hybrid genetic complement of the inbred maize plant
`disclosed herein.
`
`Methodsof producing an inbred maizeplant derived from
`the maize variety 1PNZQ23 are provided, the method com-
`prising the steps of: (a) preparing a progeny plant derived
`from maize variety 1PNZQ23, wherein said preparing com-
`prises crossing a plant of the maize variety 1PNZQ23 with
`a second maize plant; (b) crossing the progeny plant with
`itself or a second plant to produce a seed of a progeny plant
`of a subsequent generation; (c) repeating steps (a) and (b)
`with sufficient inbreeding until a seed of an inbred maize
`plant derived fromthe variety 1PNZQ23 is produced. In the
`method,
`it may be desirable to select particular plants
`resulting from step (c) for continued crossing according to
`steps (b) and (c). By selecting plants having one or more
`desirable traits, an inbred maize plant derived from the
`maize variety 1PNZQ23 is obtained which possesses some
`of the desirable traits of maize variety 1PNZQ23 as well as
`potentially other selectedtraits.
`
`DETAILED DESCRIPTION
`
`A newand distinctive maize inbred variety designated
`1PNZQ23, which has been the result of years of careful
`breeding and selection in a comprehensive maize breeding
`program is provided.
`
`Definitions
`
`Maize (Zea mays) can be referred to as maize or corn.
`Certain definitions used in the specification are provided
`below.In order to provide a clear and consistent understand-
`ing ofthe specification and claims, including the scope to be
`given such terms, the following definitions are provided.
`NOTE:ABS is in absolute terms and % MN ispercent ofthe
`mean for the experiments in which the inbred or hybrid was
`grown. PCT designates that the trait
`is calculated as a
`percentage. % NOT designates the percentage ofplants that
`did not exhibit a trait. For example, STKLDG % NOTis the
`percentage of plants in a plot that were not stalk lodged.
`These designators will follow the descriptors to denote how
`the values are to be interpreted.
`ABIOTIC STRESS TOLERANCE:resistance to non-
`
`biological sources of stress conferred by traits such as
`nitrogen utilization efficiency, altered nitrogen responsive-
`ness, drought resistance, cold, and salt resistance
`
`ABTSTK=ARTIFICIAL BRITTLE STALK: A count of
`the numberof “snapped” plants per plot following machine
`snapping. A snapped plant has its stalk completely snapped
`
`

`

`US 11,707,033 Bl
`
`
`
`6
`/D=DRYDOWN:This represents the relative rate at
`which a hybrid will reach acceptable harvest moisture
`compared to other hybrids on a 1 to 9 rating scale. A high
`score indicates a hybridthat dries relatively fast while a low
`score indicates a hybrid that dries slowly.
`DIPERS=DIPLODIA EAR MOLD SCORES (Diplodia
`maydis and Diplodia macrospora). A 1
`to 9 visual rating
`
`indicating the resistance to Diplodia Ear Mold. A higher
`score indicates a higher resistance. Data are collected only
`when suflicient selection pressure exists.
`DIPLOID PLANTPART:Refers to a plantpart orcell that
`has a same diploid genotype.
`DIPROT=DIPLODIA STALK ROT SCORE:Score of
`
`stalk rot severity due to Diplodia (Diplodia maydis).
`
`Expressed as a 1 to 9 score with 9 being highly resistant.
`
`
`Data are collected only when sufficient selection pressure
`exists.
`
`
`
`
`/T=DROUGHT TOLERANCE: This represents a 1 to 9
`rating for drought tolerance, and is based on data obtained
`understress conditions. A high score indicates good drought
`tolerance and a low score indicates poor droughttolerance.
`
`
`Data are collected only when sufficient selection pressure
`exists.
`
`
`
`
`
`
`
`EARMLD=GENERAL EAR MOLD: Visual rating (1 to
`9 score) where a 1
`is very susceptible and a 9 is very
`resistant. This is based on overall rating for ear mold of
`mature ears without determiningthe specific mold organism
`and maynot be predictive for a specific ear mold. Data are
`collected only when sufficient selection pressure exists.
`EARHT=EDEARHT=EAR HEIGHT:Theear heightis a
`measure from the groundto the highest placed developed ear
`node attachment and is measured in inches (EARHT) or cm
`
`(EDEARHT).
`EARSZ=EARSIZE: A 1 to 9 visualrating of ear size. The
`higher the rating the larger the ear size.
`
`EDANTCOLs=ANTHER COLOR: Rated on a 1
`
`
`
`5
`at a node between the base of the plant and the node above
`
`the ear. Expressed as percent of plants that did not snap.
`ALLELE: Any of one or more alternative forms of a
`genetic sequence. In a diploid cell or organism, the two
`alleles of a given sequence typically occupy corresponding
`
`loci on a pair of homologous chromosomes.
`ANTHESIS: The time of a flower’s opening.
`ANTIOXIDANT: A chemical compound or substance
`that inhibits oxidation, including but not limited to tocoph-
`erol or tocotrienols.
`
`ANT ROT=ANTHRACNOSESTALK ROT(Colletotri-
`chum graminicola): A 1
`to 9 visual rating indicating the
`resistance to Anthracnose Stalk Rot. A higherscore indicates
`a higherresistance. Data are collected only when sufficient
`selection pressure exists.
`BACKCROSSING:Process in which a breeder crosses a
`
`
`
`hybrid progenyvariety back to one ofthe parental genotypes
`one or more times.
`BACKCROSS PROGENY:Progeny plants produced by
`crossing one maize line (recurrent parent) with plants of
`another maize line (donor) that comprise a desired trait or
`locus, selecting progeny plants that comprise the desired
`trait or locus, and crossing them with the recurrent parent
`one or more times to produce backcross progeny plants that
`comprise said trait or locus.
`BARPLT=BARREN PLANTS: Thepercent ofplants per
`plot that were not barren (lack ears).
`BORBMN=ARTIFICIAL BRITTLE STALK MEAN:
`
`25
`
`
`
`55
`
`60
`
`The mean percentofplants not “snapped”in a plotfollowing
`artificial selection pressure. A snapped plant has its stalk
`completely snapped at a node between the base ofthe plant
`and the node above the ear. Expressed as percent of plants
`that did not snap. A higher numberindicates better tolerance
` T
`to brittle snapping.
`
`BREEDING CROSS:A cross to introduce newgenetic
`material
`into a plant for the development of a new variety.
`For example, one could cross plant A with plant B, wherein
`plant B would be genetically different from plant A. After
`the breeding cross, the resulting F1 plants could then be
`selfed or sibbed for one, two, three or more times (F1, F2,
`F3, etc.) until a new inbred variety is developed.
`CELL: Cell as used herein includesa plant cell, whether
`isolated, in tissue culture or incorporated in a plant or plant
`part.
`CLDTST=COLDTEST: The percent of plants that ger-
`minate under cold test conditions.
`CLN=CORN LETHAL NECROSIS: Synergistic interac-
`tion of maize chlorotic mottle virus (MCMV) in combina-
`tion with either maize dwarf mosaic virus (MDMV-A or
`MDMV-B)or wheat streak mosaic virus (WSMV). A 1 to 9
`visual rating indicating the resistance to Corn Lethal Necro-
`sis. A higher score indicates a higher resistance. Data are
`collected only when sufficient selection pressure exists.
`measure ofthe bar glumecolor intensity. Bar glumeis a dark
`CMSMT=COMMON SMUT:This is the percentage of
`purple band that may occur on the bottom of a glume. Bar
`plants not infected with Common Smut. Data are collected
`
`only when sufficient selection pressure exists. glumecolorintensity is measured on a scale of1to 7 where
`COMRST=COMMONRUST(Puccinia sorghi): A 1 to 9
`1 is absent, 2 is weak, 3 is medium,5 is strong, and 7 is very
`strong.
`T
`visual rating indicating the resistance to Common Rust. A
`EDBRROANTs=BRACE ROOTS ANTHOCYANIN
`higherscore indicates a higher resistance. Data are collected
`only when sufficient selection pressure exists.
`CROSS POLLINATION:Fertilization by the union of
`two gametes from different plants.
`CROSSING: The combination of genetic material by
`traditional methods such as a breeding cross or backcross,
`but also including protoplast fusion and other molecular
`biology methods of combining genetic material from two
`sources.
`
`to 7
`
`scale where 1 is green, 2 is yellow,3 is pink, 5 is red, and
`7 is purple.
`EDANTANTS=ANTHER ANTHOCYANIN COLOR
`
`INTENSITY: A measure of anther anthocyanin color inten-
`sity rated on a 1 to 9 scale where | is absent or very weak,
`3 is weak, 5 is medium, 7 is strong, and 9 is very strong.
`Observed in the middle third of the main branch on fresh
`anthers.
`EDBARANTS=GLUME ANTHOCYANIN COLOR-
`
`
`
`ATION AT BASE (WHOLE PLANT, EAR INSERTION
`
`LEVEL): A measure of the color intensity at the base of the
`glume, rated ona 1 to 9 scale where 1 is absent or very weak,
`3 is weak, 5 is medium, 7 is strong, and 9 is very strong.
`Observedin the middle third ofthe main branch ofthetassel.
`EDBARCOLs=BAR GLUME COLOR INTENSITY: A
`
`
`
`
`
`
`COLORATION: A measure of the color intensity of the
`brace roots rated on a 1 to 9 scale where 1 is absent or very
`weak, 3 is weak, 5 is medium, 7 is strong, and 9 is very
`strong. Observed when well developed andfresh brace roots
`are present on 50% ofplants.
`ANTHOCYANIN
`EDCOBAINTs=COB
`GLUME
`
`COLOR INTENSITY: Rated on a 1 to 9 scale where 1 is
`absent or very weak,3 is weak, 5 is medium,7 is strong, and
`
`

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`US 11,707,033 Bl
`
`7
`9 is very strong. Anthocyanincoloration should be observed
`on the middle third of the uppermost cob, after the removal
`of someofthe grains.
`EDCOBCOLs=COB COLOR:A measure ofthe intensity
`of pink or salmon coloration of the cob, rated on a 1 to 9
`scale where 1 is absent or white, 2 is light pink, 3 is pink,
`4 is medium red, 5 is red, 6 is medium red. 7 is dark red. 8
`is dark to very dark red, and 9 is present.
`EDCOBDIA=COB DIAMETER:Measured in mm.
`EDCOBICAs=COB ANTHOCYANIN COLOR INTEN-
`
`8
`degrees), 7 is large (63 to 90 degrees), and 9 is very large
`
`(>90 degrees). Observed on the leafjust above the upperear.
`
`
`EDLEAATTs=LEAF ATTITUDE OF ENTIRE PLANT:
`
`Ameasure of leaf curvature or attitude, rated on a 1 to 9 scale
`where |
`is absent or very slightly recurved, 3 is slightly
`recurved, 5 is moderately recurved, 7 is strongly recurved,
`and 9 is very strongly recurved. Observed on the leaf just
`above the upper ear.
`
`
`
`EDLEALNGs=LEAF LENGTH SCORE: A measure of
`
`
`
`leaf length rated on a 1 to 9 scale where 1 indicates <0.70
`m, 3 indicates 0.70 m to 0.80 m, 5 indicates 0.80 m to 0.90
`m, 7 indicates 0.90 m to 1 m, and 9 indicates >1.00 m.
`
`EDLEAWID=LEAF WIDTH OF BLADE:A measure of
`
`the average leaf width in Cm.
`EDLELIANTs=LEAF LIMB ANTHOCYANIN COLOR
`
`INTENSITY OF ENTIRE PLANT: A measure of the leaf
`
`
`
`
`
`
`limb anthocyanin coloration, rated on a 1 to 9 scale with 1
`being absent or very weak, 3 being weak, 5 being medium,
`7 being strong, and 9 being very strong.
`EDNODANTS=NODES ANTHOCYANIN COLOR
`
`INTENSITY: A measure of the anthocyanin coloration of
`nodes, rated on a 1 to 9 scale where1 is absentor very weak,
`3 is weak, 5 is medium,7 is strong, and 9 is very strong.
`EDRATIOEP=RATIO HEIGHT OF INSERTION OF
`PEDUNCLE OF UPPER EAR TO PLANT LENGTH.
`EDSHEAHAs=LEAF SHEATH HAIRNESS SCALE:
`Rated on a 1
`to 6 scale where 1
`indicates none and 6
`
`
`
`
`
`indicates fuzzy.
`EDSHEAANTs=SHEATH ANTHOCYANIN
`COLOR
`t or
`INTENSITY: Rated on
`a 1 to 9 scale where 1 is abse
`very
`
`ANTHOCYANIN
`
`COLOR
`
`
`very weak, 3 is weak, 5 is medium,7 is strong, and 9 is
`strong.
`EDSLKAINTs=SILK
`
`INTENSITY: A measure of the color intensity of the silks,
`rated on a 1 to 9 scale where 1 is absent or very weak, 3 is
`weak, 5 is medium, 7 is strong, and 9 is very strong.
`EDSTLANTs=INTERNODE ANTHOCYANIN COLOR
`
`INTENSITY:A measure of anthocyanin coloration of nodes,
`rated on a 1 to 9 scale where 1 is absent or very weak, 3 is
`weak, 5 is medium, 7 is strong, and 9 is very strong.
`Observed just above the insertion point of the peduncle of
`the upperear.
`EDTAIRYATs=TASSEL LATERAL BRANCH CURVA-
`
`TURE: Rated on a 1 to 9 scale where 1| indicates absent or
`
`
`
`
`
`very slightly recurved (<5 degrees), 3 indicates slightly
`recurved (6 to 37 degrees), 5 indicates moderately recurved
`(38 to 62 degrees), 7 indicates strongly recurved (63 to 90
`degrees), and 9 indicates very strongly recurved (>90
`degrees). Observed on the second branch from the bottom of
`the tassel.
`
`EDTAIRYBRs=NUMBER OF PRIMARY LATERAL
`TASSEL BRANCHES: Rated on a 1
`to 9 scale where 1
`indicates absent or very few (<4 branches), 3 indicates few
`(4 to 10), 5 indicates medium(11 to 15), 7 indicates many
`(16 to 20), and 9 indicates very many (20).
`EDTASAHB=LENGTH OF MAIN AXIS ABOVE
`
`the tassel’s
`HIGHEST LATERAL BRANCH: Length of
`
`main axis above the highest lateral branch in cm.
`
`
`EDTASANGs=TASSEL ANGLE BETWEEN MAIN
`AXIS AND LATERAL BRANCHES:Rated on a 1
`to 9
`
`
`
`scale where 1| is very small (<5 degrees), 3 is small (6 to 37
`degrees), 5 is medium (38 to 62 degrees), 7 is large (63 to
`90 degrees), and 9 is very large (>90 degrees). Observed on
`second branch from bottom oftassel.
`
`
`EDTASEBRs=SECONDARY TASSEL BRANCHES
`
`
`
`(NUMBER): The number of secondary tassel branches,
`
`
`
`SITY: A measure of the intensity of pink or salmon color-
`ation of the cob, rated on a | to 9 scale where 1 is very weak,
`
`3 is weak, 5 is medium, 7 1s strong, and 9 is very strong.
`
`EDEARDIA=EAR DIAMETER:Measured in mm.
`EDEARHULs=EAR HUSK LENGTH: A measure of ear
`
`
`
`
`husk length rated on a 1 to 9 scale where 1 is very short, 3
`is short, 5 is medium, 7 is long, and 9 is verylong.
`EDEARLNG=EAR LENGTH: Measured in mm.
`EDEARROW=NUMBER OF ROWS OF GRAIN ON
`EAR.
`
`EDEARSHAs=EAR SHAPE (TAPER): Rated on a | to 3
`scale where 1
`is conical, 2 is conico-cylindrical, and 3 is
`cylindrical.
`EDEARSHLs=EAR SHANK LENGTH SCALE:A mea-
`
`sure of the length of the ear shank or peduncle, rated on a 1
`to 9 scale where | is very short, 3 is short, 5 is medium, 7
`is long, 9 is very long.
`EDFILEANs=SHEATH ANTHOCYANIN COLOR
`INTENSITY AT FIRST LEAF STAGE: A measure of the
`
`
`
`anthocyanin color intensity of the sheath ofthe first leaf,
`rated on a 1 to 9 scale where 1 is absent or very weak, 3 is
`
`T
`weak, 5 is medium, 7 is strong, and 9 is very strong.
`
`
`EDFILECOs=FOLIAGE INTENSITY OF GREEN
`
`
`COLOR:A measure of the green coloration intensity in the
`leaves, rated on a 1 to3 scale where 1 is light, 2 is medium,
`and 3 is dark.
`EDFILESHs=LEAF TIP SHAPE: An indication of
`
`the
`
`
`
`shape of the apex ofthe first leaf, rated on a 1 to 5 scale
`where 1 is pointed, 2 is pointed to rounded, 3 is rounded, 4
`is rounded to spatulate, and 5 is spatulate.
`EDGLUANTs=GLUME ANTHOCYANIN COLOR
`
`EXCLUDING BASE: A measure ofthe color intensity of
`the glume excluding the base, rated on a 1 to 9 scale where
`1 is absentor very weak,3 is weak, 5 is medium,7 is strong,
`and 9 is very strong. Observed in the middle third of the
`main branch ofthe tassel.
`EDGLUCOLs=GLUME COLOR:Rated on a | to 7 scale
`where 1 is green, 2 is yellow, 3 is pink, 5 is red, and 7 is
`purple.
`EDKERDOCs=DORSAL SIDE OF GRAIN COLOR:
`
`Rated on a 1 to 10 scale where 1 is white, 2 is yellowish
`white, 3 is yellow, 4 is yelloworange, 5 is orange, 6 is red
`orange, 7 is red, 8 is purple, 9 is brownish, and 10 is blue
`black. Observed in the middle third of the uppermost ear
`whenwell developed.
`EDKERSHAs=KERNEL SHAPE: Rated ona | to 3 scale
`
`where 1 is round, 2 is kidney-shaped, and 3 is cuneiform.
`EDKERTCOs=TOP OF GRAIN COLOR:Rated ona 1 to
`
`10 scale where 1 is white, 2 is yellowish white, 3 is yellow,
`4 is yelloworange, 5 is orange, 6 is red orange, 7 is red, 8
`is purple, 9 is brownish, and 10 is blue black. Observed in
`the middle third of the uppermost ear when well developed.
`EDLEAANGs=LEAF ANGLE BETWEEN BLADE
`
`AND STEM:A measure ofthe angle formed between stem
`and leaf, rated on a 1 to 9 scale where 1 is very small (<5
`degrees), 3 is small (6 to 37 degrees), 5 is medium (38 to 62
`
`
`
`20
`
`25
`
`30
`
`35
`
`40
`
`45
`
`50
`
`55
`
`60
`
`65
`
`

`

`US 11,707,033 B1
`
`10
`9
`rated on a | to 7 scale where 1 indicates 0 to 3 branches, 2
`The units determined by the Barger Method are then
`indicates 4 to 10, 3 indicates 11 to 15, 5 indicates 16 to 20,
`divided by 10. The highest maximum temperature used is
`and 7 indicates >20.
`86° F. and the lowest minimum temperature used is 50° F.
`BRANCH
`TASSEL
`EDTASLPBRs=PRIMARY
`For each inbredor hybrid,it takes a certain number of GDUs
`LENGTH: A measure of the length of the primary orlateral
`to reach various stages of plant development.
`GDUSLK=EDDAYSLK=GDUTO SILK:The numberof
`tassel branch, rated on a | to 9 scale where 1 is very short,
`3 is short, 5 is medium, 7 is long, 9 is very long. Observed
`growing degree units required for an inbred variety or hybrid
`on the second branch from the bottom of the tassel.
`to have approximately 50 percent of the plants with silk
`EDTASULB=LENGTH OF MAIN AXIS ABOVE LOW-
`emergence from time of planting. Growing degree units are
`EST LATERAL BRANCH: Thelengthofthetassel’s main
`calculated by the Barger Method as given in GDUSHD
`axis above the lowest lateral branch in cm.
`definition and then divided by 10.
`EDZIGZAGs=DEGREE OF STEM ZIG-ZAG: Rated on
`GIBERS=GIBBERELLA EAR ROT (PINK MOLD)
`a scale of 1 to 3 where | is absent or very slight, 2 is slight,
`(Gibberella zeae): A 1
`to 9 visual rating indicating the
`and3is strong.
`resistance to Gibberella Ear Rot. A higher score indicates a
`
`EGRWTH=EARLY GROWTH: This is a measure of the
`
`higher resistance. Data are collected only when sufficient
`relative height and size of a corn seedling at the 2-4 leaf
`selection pressure exists.
`stage of growth. This is a visual rating (1 to 9), with 1 being
`GIBROT=G/BBERELLA STALK ROT SCORE: Score of
`weak or slow growth, 5 being average growth and 9 being
`stalk rot severity due to Gibberella (Gibberella zeae).
`strong growth. Taller plants, wider leaves, more green mass
`Expressed as a 1 to 9 score with 9 being highly resistant.
`and darker color constitute higher score. Data are collected
`Data are collected only when sufficient selection pressure
`only when sufficient selection pressure exists.
`exists.
`ERTLPN=EARLY ROOT LODGING: Anestimate of the
`percentage of plants that do not root lodgeprior to or around
`anthesis; plants that lean from the vertical axis at an approxi-
`
`mately 30° angle or greater would be considered as root
`
`
`lodged. Data are collected only when sufficient selection
`pressure exists.
`ERTLSC=EARLY ROOT LODGING SCORE: Score for
`severity of plants that
`lean from a vertical axis at an
`approximate 30° angle or greater which typically results
`from strong winds prior to or around flowering recorded
`within 2 weeks of a wind event. Expressed as a 1 to 9 score
`with 9 being no lodging. Data are collected only when
`sufficient selection pressure exists.
`ESTCNT=EARLY STAND COUNT:This is a measure of
`the stand establishment in the spring and represents the
`numberofplants that emerge onperplot basis for the inbred
`or hybrid.
`EYESPT=EYE SPOT(Kabatiella zeae or Aureobasidium
`zeae): A 1 to 9 visualrating indicating the resistance to Eye
`Spot. A higher score

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