If you continue browsing the site, you agree to the use of cookies on this website. Owen, M.M. In sorghum, generally followed female to male ratio is 4:2. 1. Hybrid Seed production in sorghum is largely confined to the states of Madhya Pradesh, Andhra Pradesh, Karnataka and Tamil Nadu. 5.3 “R” Line. Restorer line is used to restore the fertility in hybrid after crossing with ms A line in hybrid production plot (Fig. Production of hybrid sorghum seed depends on cytoplasmic male sterility. Dr. Manyasa said the hybrid parents developed by ICRISAT will be used by seed manufacturers in Kenya and the East Africa region to produce a greater volume of hybrid seeds and sell them to farmers at affordable costs to boost production. Alta Seeds also is working on the next generation of igrowth sorghum seed, including more geographic diversity for the grain sorghum lines and a series of sorghum silage options. Sujay Rakshit, Amasiddha Bellundagi, in Breeding Sorghum for Diverse End Uses, 2019. It should be pointed out, however, that some of these disadvantages are also issues in a … 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. Upload; Login; Signup; Submit Search. 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. 0 The shape of the seed is oval to round and the colour may be red, white, yellow, brown or shades thereof. For F 1 hybrid seed production, A-line and R-line are grown together in 4: 2 ratio in hybrid production block (Fig. Josephson, M.T. 26. If you continue browsing the site, you agree to the use of cookies on this website. Along with providing for economical seed production, male sterility may also aff ect Seed treatment and storage The seeds are treated with captan or thiram @ 2 g/kg of seed and pack it in WELCOME 2. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Sorghum genetics, breeding, and hybrid' seed production. %PDF-1.5 %���� (b) Sorghum (Figure 5) J. C. Stephens. But problems in hybrid seed production always relate to the problems in synchrony of the parental lines and the techniques to achieve the same. 5.6).Availability of fertility restorer sources in sorghum made it easy to develop hybrids and to commercially use the CMS source in producing fertile hybrid seeds. h�b```�4��� �� �,@�q�Eh'��y��?20�d��3:f�nb`4lvl7 �("a�����ֈ�t-@�� Ҭ@� �"���;t}އ�0\���kXT�����f�@Z���e��``P�gl RJL6ۡ�d @'&l In sorghum, generally followed female to male ratio is 4:2. The sorghum seeds can be processed in OSAW cleaner cum grader using 9/64" round perforated metal sieve. :�~�.��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�. Seed should be dried to 12% for short term storage and 8% for long term storage. Although discovery of cytoplasmic genetic male sterility in onion by Jones and Clarke has been instrumental in application of this system in hybrid seed production on large scale in several crops, particularly the 4 crops, namely, onions, pear millet, sunflower and grain sorghum, and now rice the contributions of F.V. A-lines crossed to 10 sweet sorghum restorer lines, overall heterosis was signifi cant for plant height, green cane yield, and commercial cane sugar yield (Meshram et al., 2005). endstream endobj startxref Now customize the name of a clipboard to store your clips. This information bulletin concentrates on certain aspects of varietal purity of sorghum and pearl millet when the variety/hybrid seed is being produced. Millets (sorghum, pearl millet and small millets) are the important food and fodder crops in semi- Processing . Merely said, the hybrid sorghum seed production breeding and research is universally compatible taking into account any devices to read. Read Book Hybrid Sorghum Seed Production Breeding And Research Sorghum genetics, breeding, and hybrid' seed production. Looks like you’ve clipped this slide to already. 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. Plant breeding - Plant breeding - Hybrid varieties: The development of hybrid varieties differs from hybridization in that no attempt is made to produce a pure-breeding population; only the F1 hybrid plants are sought. Seed production of sorghum 1. Improved methods of seed production are also provided. In accordance with the invention, a substantially continual and high-yield harvest of sorghum is provided. Lecture 12: hybrid seed production in sorghum. 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. Breeding sorghum - LinkedIn SlideShare Seed Production Procedures in Sorghum and Pearl Millet S C Gupta Information Bulletin no. Rhoades, L.M. PEARL MILLET Heterosis and Hybrid Seed Production. Experimental Production of Hybrid Sorghum Seed with a Three‐way Cross 1. Hybrid seed is produced by crossing A × R lines in breeder seed production plot . Jenkins, H.L. h��W�n7�>&��~)�[#� �ݤ�a[ia/��!m���;g�\�T�N�Ң���p�3��Yn�NH����P�R���$T�"$)���*�\� I��!��C�¨�'�!� lJqy��Mu���P�^������t��5�ꓐ�I�p#i����V�e3�n�t�� o̱���5��k�=�p[]u���C�n��P���? 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. Lecture 10: hybrid seed production in paddy. “A” line on pollination with the “R” line restores fertility of “A” lines and develops heterotic fertile F 1 seeds. %%EOF Lecture 09: seed production techniques in paddy varieties. AJAYI, O. 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. 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. Methods and composition for the production of sorghum hybrids with selected and different flowering times are provided. 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. Lecture 08: hybrid seed production in maize. procedures for hybrid seed production in both the crops are more or less the same. 784 0 obj <>/Filter/FlateDecode/ID[<123A6190E32AB34CB1C2288F9ABDE680>]/Index[777 20]/Info 776 0 R/Length 56/Prev 139726/Root 778 0 R/Size 797/Type/XRef/W[1 2 1]>>stream 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). h�bbd``b`�$��V ��H�ۃ��@��*&F�@#i��G� �� See our Privacy Policy and User Agreement for details. DESSE SEED still holds true the values proven by previous generations of Dessert Seeds: reliability, quality and honesty. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Production of Hybrid Seed. See our User Agreement and Privacy Policy. In sorghum, hybrid breeding is a three-line system as it involves “A” ms line, “B” maintainer line, and “R” fertility restorer line. 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). 777 0 obj <> endobj Clipping is a handy way to collect important slides you want to go back to later. 796 0 obj <>stream Sorghum ( Open pollinated varieties ) Botanical name – Sorghum bicolor Family- Gramineae Origin-Tropical & Subtropical region of Africa & Asia Sorghum is used for grain, fiber&fodder. The shape of the seed is produced by crossing a × R in! Continual and high-yield harvest of sorghum is provided from the male plants office! Lines and the colour may be red, white, yellow, brown or thereof... Than its parents with a Three‐way Cross 1 back to later 2 in... And high-yield harvest of hybrid seed production in sorghum slideshare is accomplished through the use of cytoplasmic genetic steriles... 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