J. C. Stephens. Sorghum Hybrid Seed Production and Management) Seed The ripe seed (grain) of sorghum is usually partially enclosed by glumes, which are removed during threshing and/or harvesting. If you continue browsing the site, you agree to the use of cookies on this website. PEARL MILLET Heterosis and Hybrid Seed Production. Pearl millet Origin, Domestication, Wild relatives, Gene Pool and Genetic Res... Vasantrao Nail Marathwada Krishi Vidyapeeth, Parbhani, Breeding for Drought tolerance in Pearl Millet, Male sterility, types and utilization in hybrid seed production, B4FA 2012 Ghana: Sorghum Breeding in Ghana - IDK Atokple, USE OF MALE STERILITY IN HYBRID SEED PRODUCTION BY:ANIL BL GATHER, No public clipboards found for this slide, Pearlmillet heterosis and hybrid seed production. Rhoades, L.M. Sorghum genetics, breeding, and hybrid' seed production. At maturity the seeds of A-rows are harvested separately and carefully as these hybrids and also the R-line seeds are harvested for next use. Protect Your Sorghum Seed Our rigorously tested, verified seed treatments help you establish healthy crops and improve yield with proven protection against early season threats. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. WELCOME 2. (b) Sorghum (Figure 5) igrowth sorghum contains a proprietary non-GMO imidazolinone tolerance technology, which allows farmers to spray the companion imidazolinone herbicide IMIFLEX from UPL for pre- or post-emergence control over broadleaf and grass weeds without causing damage to the crop. Despite this potential, the sorghum and pearl millet hybrid industries have been limited by lack of a viable hybrid sorghum and pearl millet seed production systems. Now customize the name of a clipboard to store your clips. :�~�.��EN��U7��Tgg����Q\�=�2���)��2Tg��ۦ�������ɢ#C��y}�!w��ղ;=]�ys�|d��RJ6p���z��_]��f#�7���jQ/_��}�h*����?\�z�"�������zQ�y�Sv�JY]t����,�捐��f�QD�C�T8�n�պ�����8�P�S���r���˻�S�. In sorghum, generally followed female to male ratio is 4:2. A, B and R Lines: Commercial seed production of hybrids in sorghum is accomplished through the use of cytoplasmic genetic male steriles. Taye T. Mindaye, Emma S. Mace, Ian D. Godwin, David R. Jordan, Genetic differentiation analysis for the identification of complementary parental pools for sorghum hybrid breeding in Ethiopia, Theoretical and Applied Genetics, 10.1007/s00122-015-2545-6, 128, 9, (1765-1775), (2015). Hybrid seed is produced by crossing A × R lines in breeder seed production plot . 1. “A” line on pollination with the “R” line restores fertility of “A” lines and develops heterotic fertile F 1 seeds. endstream endobj startxref It should be pointed out, however, that some of these disadvantages are also issues in a … This information bulletin concentrates on certain aspects of varietal purity of sorghum and pearl millet when the variety/hybrid seed is being produced. Processing . In sorghum, generally followed female to male ratio is 4:2. Breeding sorghum - SlideShare 5.4. During hybrid seed production, the R line is cross pollinated with the A line to produce a hybrid seed. 1994. 3. A fundamental need for commercialization of sweet sorghum [Sorghum bicolor (L.) Moench] as a bioenergy crop is an adequate seed supply, which will require development of hybrid varieties using dwarf seed-parent lines. Lecture 13: seed production in pearl millet. Hybrid seeds of crops with perfect flowers (a) Most crops species have perfect flowers, therefore, the availability of parental lines -male sterile, maintainers and fertility restorers - are absolutely necessary for hybrid seed production on a commercial scale. Owen, M.M. Experimental Production of Hybrid Sorghum Seed with a Three‐way Cross 1. Growers can get access to igrowth hybrids for 2021 by preordering hybrids after attending an online field day July 8, or at live events August 18 in Enid, Oklahoma, or September 2 in Larned, Kansas. One of the most important staple food for million poor rural people. If only the flowering in the female line coincides with the flowering in the male line, proper pollination and seed set in the female are possible. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. But problems in hybrid seed production always relate to the problems in synchrony of the parental lines and the techniques to achieve the same. %%EOF procedures for hybrid seed production in both the crops are more or less the same. 5.3 “R” Line. male fertility or selfing in hybrid production fields, which can result in seed lots that do not meet seed law standards for a hybrid; costs associated with identification, development and registration of the compound. AJAYI, O. Read Book Hybrid Sorghum Seed Production Breeding And Research Sorghum genetics, breeding, and hybrid' seed production. 796 0 obj <>stream Sujay Rakshit, Amasiddha Bellundagi, in Breeding Sorghum for Diverse End Uses, 2019. DESSE SEED still holds true the values proven by previous generations of Dessert Seeds: reliability, quality and honesty. In sorghum hybrid seed production, the female line used is male sterile. For F 1 hybrid seed production, A-line and R-line are grown together in 4: 2 ratio in hybrid production block (Fig. The arrangement is same except the B-lines have been substituted by R-lines. To enhance productivity, several sorghum and pearl millet varieties have been developed and released, but adoption has been constrained by the inadequacies of the seed systems and crop management. 7.1). The sorghum seeds can be processed in OSAW cleaner cum grader using 9/64" round perforated metal sieve. Lecture 08: hybrid seed production in maize. SlideShare Explore Search You. Breeding sorghum - LinkedIn SlideShare Seed Production Procedures in Sorghum and Pearl Millet S C Gupta Information Bulletin no. F1 hybrid of crosses between different genotypes is often much more vigorous than its parents varietal... × R lines: Commercial seed production plot sorghum, generally followed female male! The same of cookies on this website these hybrids and also the R-line are. 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