Abstract: An inbred corn line, designated LH181, is disclosed. The invention relates to the seeds of inbred corn line LH181, to the plants of inbred corn line LH181 and to methods for producing a corn plant produced by crossing the inbred line LH181 with itself or another corn line. The invention further relates to hybrid corn seeds and plants produced by crossing the inbred line LH181 with another corn line.

Abstract: An inbred corn line, designated LH 163, is disclosed. The invention relates to the seeds of inbred corn line LH 163, to the plants of inbred corn line LH 163 and to methods for producing a corn plant produced by crossing the inbred line LH 163 with itself or another corn line. The invention further relates to hybrid corn seeds and plants produced by crossing the inbred line LH 163 with another corn line.

Abstract: An inbred corn line, designated LH204, is disclosed. The invention relates to the seeds of inbred corn line LH204, to the plants of inbred corn line LH204 and to methods for producing a corn plant produced by crossing the inbred line LH204 with itself or another corn line. The invention further relates to hybrid corn seeds and plants produced by crossing the inbred line LH204 with another corn line.

Abstract: An inbred corn line, designated LH200, is disclosed. The invention relates to the seeds of inbred corn line LH200, to the plants of inbred corn line LH200 and to methods for producing a corn plant produced by crossing the inbred line LH200 with itself or another corn line. The invention further relates to hybrid corn seeds and plants produced by crossing the inbred line LH200 with another corn line.

Abstract: An inbred corn line, designated LH210, is disclosed. The invention relates to the seeds of inbred corn line LH210, to the plants of inbred corn line LH210 and to methods for producing a corn plant produced by crossing the inbred line LH210 with itself or another corn line. The invention further relates to hybrid corn seeds and plants produced by crossing the inbred line LH210 with another corn line.

Abstract: An inbred corn line, designated LB159, is disclosed. The invention relates to the seeds of inbred corn line LH159, to the plants of inbred corn line LH159 and to methods for producing a corn plant produced by crossing the inbred line LH159 with itself or another corn line. The invention further relates to hybrid corn seeds and plants produced by crossing the inbred line LH159 with another corn line.

Abstract: An inbred line, designated LH216, is disclosed. The invention relates to the seeds of inbred corn line LH216, to the plants of inbred corn line LH216 and to methods for producing a corn plant produced by crossing the inbred line LH216 with itself or another corn line. The invention further relates to hybrid corn seeds and plants produced by crossing the inbred line LH216 with another corn line.

Abstract: A novel method of producing a plant with a marker closely linked to a target locus, in particular a nuclear male sterile target locus, is described. The method involves transformation of a group of plants in order to introduce a marker into each plant, and isolation of a plant with the marker closely linked to a target locus. The markers include visible markers and dominant conditional lethal markers. The method is of particular use for hybrid seed production where the target locus is a nuclear male sterile locus.

Abstract: An improved process for the economical production of F.sub.1 hybrid Oryza sativa plants (i.e., hybrid rice plants of the first filial generation) is provided. Novel female fertile male sterile rice plants which are perennial and capable of retaining viability through the winter are planted in combination with annual female fertile male fertile restorer plants which are killed during the winter. Accordingly, the substantial expense of establishing the required male sterile plants at the beginning of each growing season effectively is eliminated. The seeds formed on the perennial male sterile plants are capable of forming annual male fertile F.sub.1 hybrid Oryza sativa plants. In preferred embodiments additional properties are incorporated into the parent rice plants (as described) which further enhance the F.sub.1 seed production.

Abstract: The present invention relates to a method for inducing male sterility in plants which comprises treating seeds of a plant receptive to said treatment by application of an effective amount of a compound of the formula: ##STR1## wherein R and R.sup.1 are hydrogen, alkyl, alkenl, alkynl, allyl, aryl, halogen or boron and may be the same or different;X and X.sup.1 are fluorine, chlorine, bromine or iodine; nitrate, sulfate, sulfonate, phosphate, citrate, or maleate;n and n.sup.1 are the integers 0 or 1, and may be the same or different;m and m.sup.1 are integers from 0 to 4, and may be the same or different;for a period of time and under conditions sufficient to induce male sterility in adult plants which are grown from said treated seeds.

Abstract: According to the invention, there is provided an inbred corn line, designated PHW20. This invention thus relates to the plants and seeds of inbred corn line PHW20 and to methods for producing a corn plant produced by crossing the inbred line PHW20 with itself or with another corn plant. This invention further relates to hybrid corn seeds and plants produced by crossing the inbred line PHW20 with another corn line or plant and to crosses with related species.

Abstract: According to the invention, there is provided an inbred corn line, designated PHK35. This invention thus relates to the plants and seeds of inbred corn line PHK35 and to methods for producing a corn plant produced by crossing the inbred line PHK35 with itself or with another corn plant. This invention further relates to hybrid corn seeds and plants produced by crossing the inbred line PHK35 with another corn line or plant and to crosses with related species.

Abstract: According to the invention, there is provided an inbred corn line, designated PHP02. This invention thus relates to the plants and seeds of inbred corn line PHP02 and to methods for producing a corn plant produced by crossing the inbred line PHP02 with itself or with another corn plant. This invention further relates to hybrid corn seeds and plants produced by crossing the inbred line PHP02 with another corn line or plant and to crosses with related species.

Abstract: An inbred corn plant containing dominant genetic information that expresses high protein and increased lysine levels in corn kernels produced by the plant is provided. The genetic information in the plant can be used to produce novel inbred corn lines and hybrid corn lines containing high protein and lysine levels both by established plant breeding techniques and other techniques of genetic manipulation.

Abstract: A method of biothermographically screening plants for favorable genetic characteristics such as drought resistance or heat tolerance is provided which comprises the nondestructive laboratory measurement of heat production of the plant sample or viable part thereof in a microcalorimeter under a given set of environmental conditions, and then using the measured heat production to assess the plant sample's potential reaction in the wild to those same conditions. The biothermographic analysis of the present invention represents a rapid, nondestructive way of predicting potential biological or economical yield under a variety of environmental field conditions, and can be conducted in a simple and inexpensive manner so as to particularly benefit those in the fields of agricultural biotechnology, plant genetics, and crop management.

Abstract: The present method is directed to a method for the in vitro stabilization and manipulation of pollen from flowering plants. Specifically, the in vitro stabilization method comprises stabilizing germinating pollen in an aqueous stabilizing solution. The growth of the pollen tube may be resumed by suspending the stabilized pollen in germination medium. Stabilized pollens may be used as vectors for the transfer of exogenous DNA into plants or in gametophyte selection.

Abstract: An improved overall process is provided which makes possible the reliable production of seeds capable of growing F.sub.1 hybrid cotton plants on an economically advantageous basis. A cotton planting area is selected which is suitable for habitation by ground-dwelling wild bees. The population of ground-dwelling wild bees is encouraged through the non-use of an insecticide of at least one growing season. During an immediately following growing season a portion of the planting area is planted with a block of early-blossoming plants which provide a source of pollen and nectar for the ground-dwelling wild bees during the spring and early summer. Another nearby section of the planting area during the immediately following growing season is planted with a substantially random population of cytoplasmically male sterile cotton plants and male fertile cotton plants which are capable of restoring male fertility to the progeny of the cytoplasmically male sterile plants.

Abstract: This invention relates to improved methods for transposon tagging as a route to plant gene isolation. The specific improvements comprise efficient means for preselecting plants which have undergone transposition. Through use of this preselection, it is possible to substantially reduce the number of plants which must be inspected to locate individuals having the transposon excised and inserted into a gene of interest. The result is a substantial savings in time, costs and efficiency associated with growing and screening large numbers of plants for tagging and isolation of a desired plant gene.

Abstract: Disclosed here is a novel process which facilitates the rapid and economical production of seedless watermelon seed. The novel process involves cloning desirable tetraploid watermelon parental lines. These parental lines are essential in the production of triploid seed for the seedless watermelon. The subject invention makes possible the use of self-sterile tetraploid parental lines in the production of triploid seed.

Abstract: An improved procedure for forming F.sub.1 hybrid Oryza sativa plants (i.e., hybrid rice plants of the first filial generation) is provided which is capable of being economically implemented on a commercial scale. Plants of the seed and pollen parents each possess a combination of characteristics (as described) which readily facilitate cross-pollination in the absence of the use of labor intensive procedures such as the clippings of flag leaves. The seeds formed on each parent are recovered in bulk and are separated on the basis of a genetic marker. The hybrid rice plants of the F.sub.1 generation unlike those of the seed parent possess long flag leaves which extend upwardly to a greater maximum height than the tips of the panicles whereby photosynthesis can be accomplished on an efficient basis.

Abstract: The present invention relates to the art of agriculture. The method of sterilizing anthers of plants comprises treatment of the plants with a sterilizing agent in combination with a diluent during the period of the fifth and/or sixth stage of organogenesis. According to the invention, as the sterilizing agent use is made of derivatives of phosphoric acids of the general formula: ##STR1## wherein R is H, a C.sub.1 -C.sub.4 alkoxy, dimethylamine, wherein X is O, NH; B is H, a C.sub.1 -C.sub.4 alkyl, phenyl, D is H, CH.sub.3 ; A is a C.sub.1 -C.sub.4 alkyl, phenyl furyl; R' is OH, ONH.sub.4, OAlk(C.sub.1 -C.sub.4), phenyl; R.sup.2 is a C.sub.1 -C.sub.4 alkyl, NaNH.sub.4, NH.sub.3 Alk(C.sub.1 -C.sub.4), NH.sub.2 Alk.sub.2 (C.sub.1 -C.sub.4), or mixtures thereof. The method according to the present invention is useful in selection and seed production.

Abstract: An in vitro method for screening Glycine max cells for resistance to a disease caused by Phialophora gregata, brown stem rot, is disclosed. The method is useful for identifying brown stem rot resistant soybean varieties. Means for selecting mutant soybean cells for resistance to a toxin produced by P. gregata is also provided, as are cells and plants selected by this process. The invention involves culture of soybean calli in the presence of a filtrate of used fungal growth medium.

Abstract: A heterozygous tomato plant has a Rin gene as a heterozygote together with genes giving a very firm fruit with excellent tomato-like taste which, when picked at Color 4 of the USDA color chart, has a shelf life of at least two weeks and develops a full red color. Hybrids BR-201 and BR-214 are specific examples of such plants.

Abstract: A method is disclosed for forming haploid tomato plants. Plants so formed are normal, flowering plants but are sterile. Methods are taught of doubling the chromosome number of the haploid plants to form fetile, true breeding diploid tomato plants. Such methods are useful in plant breeding programs to produce new assortments of genes in true-breeding lines without the several backcrossing steps otherwise required.

Abstract: Methods for the production of seed for growing hybrid rice comprising the planting of rows of male parent seed interspersed with rows of female seed, synchronization of heading and pollination.

Abstract: The invention relates to the production of F.sub.1 hybrid seeds in cucumber (Cucumis sativus). The present invention relates to a method wherein the pollen-parent bears only male flowers and thus lacks the capability to bear fruits. The method comprises planting the hybrid seed production field with a mixture of seed-parent and pollen-parent seeds and harvesting the desired F.sub.1 hybrid cucumber seeds from the thus produced fruit on the seed parent.This invention also relates to hybrid seed produced by the methods of this invention, the hybrid cucumber plant produced from the hybrid cucumber seed, and variants, modifications, and mutants thereof.

Abstract: According to the invention, there is provided a novel inbred corn line, designated PHV78. This invention thus relates to the seeds of inbred corn line PHV78, to the plants of inbred corn line PHV78 and to methods for producing a corn plant produced by crossing the inbred line PHV78 with itself or another corn line. This invention further relates to hybrid corn seeds and plants produced by crossing the inbred line PHV78 with another corn line.

Abstract: According to the invention, there is provided a novel inbred corn line, designated PHK29. This invention thus relates to the seeds of imbred corn line PHK29, to the plants of inbred corn line PHK29, and to methods for producing a corn plant produced by crossing the inbred line PHK29 with itself or another corn line. This invention further relates to hybrid corn seeds and plants produced by crossing the inbred line PHK29 with another corn line.

Abstract: According to the invention, there is provided an inbred corn line, designated PHK05. This invention thus relates to the plants and seeds of inbred corn line PHK05 and to methods for producing a corn plant produced by crossing the inbred line PHK05 with itself or with another corn line. This invention further relates to hybrid corn plants and seeds produced by crossing the inbred line PHK05 with another corn line.

Abstract: According to the invention, there is provided an inbred corn line, designated PHR25. This invention thus relates to the plants and seeds of inbred corn line PHR25 and to methods for producing a corn plant produced by crossing the inbred line PHR25 with itself or with another corn line. This invention further relates to hybrid corn seeds and plants produced by crossing the inbred line PHR25 with another corn line.

Abstract: A novel plant genotype characterized by the expression of a low pod detachment force in Phaseolus. The seed which carries the genetic code for this characteristic is capable of germinating into a plant having a mean pod detachment force (PDF) of about 0.51 kg or less when pods are at market maturity size. The plant is further characterized by an erect shape having pods clustered high in the bush, and easy detachability of the pedicel from the stem at nodes. The low PDF characteristic can be used to develop new low PDF varieties through hybridization with high PDF lines of Phaseolus.

Abstract: Improved plants of Brassica oleracea and seeds capable of forming the same are provided. Such plants are fully male and female fertile and possess the usual complement of 18 chromosomes. However, unlike previously available cole crops, these plants exhibit cytoplasmic triazine tolerance when atrazine is applied as a foliar spray at a rate of 1.5 kilograms per hectare. For the first time a triazine herbicide can effectively be used to destroy unwanted broadleaf weeds which have a propensity to grow in the same planting area with the cole crop. Accordingly, an improved process for producing a cole crop is provided through the application of triazine to the planting area.

Abstract: An efficient process employing cytoplasmic male sterility is provided wherein seeds capable of forming F.sub.1 hybrid Glycine max plants and restorer plants for the same simultaneously are formed in bulk in a single planting area and the seed harvest subsequently is segregated to form two substantially uniform seed assemblages. The parent soybean plants are provided with distinctly colored maternally-derived seedcoats wherein the genes for seedcoat coloration are homozygous dominant in one parent and homozygous recessive in the other parent. The resulting seeds are harvested in bulk and are separated on the basis of the soybean seedcoat coloration. Soybean plants resulting from the planting of the seeds capable of forming F.sub.1 hybrids upon self-pollination form seeds which substantially uniformly exhibit maternally-derived light-colored seedcoats in the F.sub.2 generation thereby enabling the grower to produce a substantially uniform soybean harvest.

Abstract: An improved procedure for forming F.sub.1 hybrid Oryza sativa plants (i.e., hybrid rice plants of the first filial generation) is provided which is capable of being economically implemented on a commercial scale. Plants of the seed and pollen parents each possess a combination of characteristics (as described) which readily facilitate cross-pollination in the absence of the application of a growth hormone and the use of labor intensive procedures such as the clipping of flag leaves. The seeds formed on each parent are recovered in bulk and are separated on the basis of a genetic marker. The hybrid rice plants of the F.sub.1 generation unlike those of the seed parent possess long flag leaves which extend upwardly to a greater maximum height than the tips of the panicles whereby photosynthesis can be accomplished on an efficient basis.

Abstract: Pollen-mediated transferral of cytoplasmic genetic elements can be exploited in a breeding program, for example, to produce cybrids, that employs Brassica plants.

Abstract: According to the invention, there is provided a hybrid corn plant, designated 3471, produced by crossing two Pioneer Hi-Bred International, Inc. proprietary inbred corn lines. This invention thus relates to the hybrid seed 3471, the hybrid plant produced from the seed, and variants, mutants, and modifications of Pioneer hybrid 3471. This hybrid corn plant is characterized by superior qualities of good ear size, excellent late-season plant health and seedling (young plant) vigor, and fast dry-down in the field. 3471 is relatively tall and flowers late for its relative maturity classification.

Abstract: According to the invention, there is provided a hybrid corn plant, designated 3790, produced by crossing two Pioneer Hi-Bred International, Inc. proprietary inbred lines of corn. This invention thus relates to the hybrid seed 3790, the hybrid plant produced from the seed, variants, mutants, and modifications of Pioneer hybrid 3790. This hybrid corn plant is characterized by superior yields and excellent early-season cold tolerance, and good grain quality.

Abstract: A method is disclosed for efficiently using genic male-sterile maize in hybrid seed production which allows economical maintenance of male-sterile stocks. This method enhances a natural linkage between a selected male-sterile gene and a marker gene conditioning an easily observable trait by deletion and screening to create stocks in which the linkage is effectively complete.

Abstract: A hybrid tetraploid corn seed and a process for its production are disclosed. Upon growth, the hybrid tetraploid corn seed yields a hybrid tetraploid corn plant, which exhibits superior biomass yield when compared to hybrid diploid corn plants. The hybrid seed is produced by crossing a first inbred line of tetraploid corn with a non-identical second inbred line of tetraploid corn to form at least one hybrid tetraploid seed.

Abstract: A synthetic method is described for the development of genetic females in squash (Cucurbita pepo L.) through crosses of monoecious varieties or inbreds followed by selection. The genetic females and true-breeding female lines can be propagated sexually following chemical induction of male flowers. Such female lines can be used as seed parents in production of hybrids as well as germplasm for future breeding programs. The new synthetic method is applicable to other monoecious species of plants.

Abstract: Commercial hybrid wheat is produced by growing under a condition of, for example, not less than 14 hours day length (condition A) common wheat variety in which D.sup.2 -type cytoplasma from Aegilops species has been introduced until cytoplasmic male-sterility is induced, producing hybrid seeds by growing in alternating blocks with a pollinator parent with a good combining ability, maintaining the said male-sterile D.sup.2 -type alloplasmic lines by self pollination by growing under condition of, for example, less than 14 hours day length (condition B), and harvesting by growing the said hybrid under condition A or B.

Abstract: Novel protogynous Zea mays plants are disclosed, including a novel protogynous inbred line, LALGI. Also disclosed are a process to produce such Zea mays plants and hybrids resulting from crossing such plants with other inbred lines such as Iowa Stiff Stalk Synthetic Lines.

Abstract: A new variety of odorless soybean and a process for producing the new variety. The new soybean is characterized by breeding to produce a variety which holds the recessive lx.sub.2 and lx.sub.3 genes. These genes dominate the lipoxygenase L-2 and L-3 lacking characteristic.

Abstract: The process of the present invention provides a convenient route for producing a predetermined hybrid variety of a crop which is capable of undergoing both self-pollination and cross-pollination. Cytoplasmic male sterile plants which also exhibit cytoplasmic herbicide tolerance (i.e., to a Type A herbicide) and tolerance to a different herbicide attributable solely to nuclear genes (i.e., to a Type B herbicide) are the key plants for use in the present process. The maintainer and restorer plants exhibit tolerance to different herbicides (i.e., to either a Type A herbicide or a Type B herbicide). The economical bulk planting of the parent plants is made possible during each step of the process.

Abstract: A method is disclosed for creating and utilizing genic male-sterile maize for hybrid maize production. The method makes use of the Spm transposable element system and involves creation of a mutated male fertile allele, mutated by the presence of the Spm suppression receptor therein, expression of which is suppressed in the presence of the Spm suppressor. Methods are disclosed for transferring this system into any inbred line of interest for use in hybrid seed production.

Abstract: This invention relates to an inbred line of corn having the designation 78010, seeds produced by plants of the inbred line 78010, cells which upon growth and differentiation produces the inbred line 78010, hybrid corn seed produced by crossing the inbred line 78010 with another corn line and a process for the production of hybrid corn seed using the inbred line 78010.

Abstract: An improved process is provided for forming seeds capable of yielding F.sub.1 hybrid soybean plants (i.e., hybrid soybean plants of the first filial generation) or maintaining male sterile soybean plants useful in the production of male fertile F.sub.1 hybrid soybean plants. Male sterile soybean plants (i.e., seed parents) and the male fertile soybean plants (i.e., pollen parents) are caused to undergo cross-pollination with the aid of pollen-carrying bees under conditions wherein pollen transport from the male parents to the female parents is significantly increased.

Abstract: This invention is direction to the production of novel plant genotypes or lines which produce increased free tryptophan levels and are resistant to inhibition by analogs which normally inhibit the activity of the enzyme anthranilate synthase before alteration. This invention further relates to genes encoding such exzymes, and to processes for utilizing these novel genes and enzymes. Further products of the invention include plants, plant tissues and seeds which exhibit resistance to such analogs and overproduce tryptophan resulting from expression of genes encoding analog resistant anthranilate synthase enzyme.

Abstract: A new method of combining the genetic mutants su.sub.1 and sh.sub.2 to produce sweet corn having an unusually high sugar content.

Abstract: A sunflower seed is disclosed which has both a high oleic acid content and a low linoleic acid content. Also disclosed is a sunflower seed which has a white or gray seed coat and which contains approximately 80% or greater by weight of olkeic acid. Also described are novel sunflowers for producing the disclosed seed and an oil product derived from the seed.