Sorghum genetics, breeding, and hybrid' seed production. In accordance with the invention, a substantially continual and high-yield harvest of sorghum is provided. 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 should be dried to 12% for short term storage and 8% for long term storage. Production of hybrid sorghum seed depends on cytoplasmic male sterility. 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. 796 0 obj <>stream 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. You can change your ad preferences anytime. 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. 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. If you continue browsing the site, you agree to the use of cookies on this website. 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). The sorghum seeds can be processed in OSAW cleaner cum grader using 9/64" round perforated metal sieve. 7.1). 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. See our User Agreement and Privacy Policy. “A” line on pollination with the “R” line restores fertility of “A” lines and develops heterotic fertile F 1 seeds. 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. 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. Breeding sorghum - SlideShare 5.4. procedures for hybrid seed production in both the crops are more or less the same. 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. One of the most important staple food for million poor rural people. Hybrid Seed production in sorghum is largely confined to the states of Madhya Pradesh, Andhra Pradesh, Karnataka and Tamil Nadu. Now customize the name of a clipboard to store your clips. Lecture 13: seed production in pearl millet. Lecture 12: hybrid seed production in sorghum. 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. Jenkins, H.L. 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. It should be pointed out, however, that some of these disadvantages are also issues in a … SlideShare Explore Search You. Experimental Production of Hybrid Sorghum Seed with a Three‐way Cross 1. J. C. Stephens. The shape of the seed is oval to round and the colour may be red, white, yellow, brown or shades thereof. 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. Production of Hybrid Seed. i. If you continue browsing the site, you agree to the use of cookies on this website. Sujay Rakshit, Amasiddha Bellundagi, in Breeding Sorghum for Diverse End Uses, 2019. Looks like you’ve clipped this slide to already. Lecture 11: seed production in sorghum. •Forage sorghum seed is grown on 8000 acres (3200 ha) annually in Texas • Very little forage sorghum seed is certified • Sorghum/Sudan hybrid seed grown on 25,000 acres (10,000 ha) in Texas annually • 15%-20% of sorghum/Sudan hybrid seed is certified and is exported worldwide Clipping is a handy way to collect important slides you want to go back to later. Josephson, M.T. Hybrid seed is produced by crossing A × R lines in breeder seed production plot . 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. 777 0 obj <> endobj endstream endobj startxref For F 1 hybrid seed production, A-line and R-line are grown together in 4: 2 ratio in hybrid production block (Fig. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. (b) Sorghum (Figure 5) 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. The arrangement is same except the B-lines have been substituted by R-lines. :�~�.��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�. 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 Restorer line is used to restore the fertility in hybrid after crossing with ms A line in hybrid production plot (Fig. 58 Sorghum ( Open pollinated varieties ) Botanical name – Sorghum bicolor Family- Gramineae Origin-Tropical & Subtropical region of Africa & Asia Sorghum is used for grain, fiber&fodder. Backed by trusted technologies, our fungicide and insecticide treatments improve grain sorghum emergence, stand and vigor to help you achieve higher yield potential. Breeding sorghum - LinkedIn SlideShare Seed Production Procedures in Sorghum and Pearl Millet S C Gupta Information Bulletin no. DESSE SEED PTY LTD has been established to focus on the commercial breeding and sale of Hybrid Sorghum Varieties. DESSE SEED PTY LTD head office is located 13km from the township of Kununurra in the Ord River Irrigation Area. 3. 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. Read Book Hybrid Sorghum Seed Production Breeding And Research Sorghum genetics, breeding, and hybrid' seed 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. A, B and R Lines: Commercial seed production of hybrids in sorghum is accomplished through the use of cytoplasmic genetic male steriles. But problems in hybrid seed production always relate to the problems in synchrony of the parental lines and the techniques to achieve the same. 26. %PDF-1.5 %���� In sorghum hybrid seed production, the female line used is male sterile. This information bulletin concentrates on certain aspects of varietal purity of sorghum and pearl millet when the variety/hybrid seed is being produced. 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���? PEARL MILLET Heterosis and Hybrid Seed Production. h�bbd``b`�$��V ��H�ۃ��@��*&F�@#i��G� �� In sorghum, generally followed female to male ratio is 4:2. Seed production of sorghum 1. AJAYI, O. In sorghum, generally followed female to male ratio is 4:2. Lecture 10: hybrid seed production in paddy. During hybrid seed production, the R line is cross pollinated with the A line to produce a hybrid seed. endstream endobj 778 0 obj <>/Metadata 32 0 R/Outlines 47 0 R/PageLayout/OneColumn/Pages 775 0 R/StructTreeRoot 58 0 R/Type/Catalog>> endobj 779 0 obj <>/Font<>>>/Rotate 0/StructParents 0/Type/Page>> endobj 780 0 obj <>stream Owen, M.M. Since both A-lines and B-lines exhibit synchronous flowering, seed yields on the A-line in A/B seed production plots are relatively better than in the A and R (hybrid) production plots.• Seed of the B-line harvested from the A/B production plots might be reused for the next generation, depending on the seed laws of the country. The F1 hybrid of crosses between different genotypes is often much more vigorous than its parents. Along with providing for economical seed production, male sterility may also aff ect 5.3 “R” Line. Hybrid seed is produced by crossing A × R lines in breeder seed production plot . Improved methods of seed production are also provided. Processing . %%EOF WELCOME 2. Rhoades, L.M. 1. Frequent visits to seed production plots are necessary to remove the off-type plants to maintain the quality and genetic purity of hybrid seeds. Millets (sorghum, pearl millet and small millets) are the important food and fodder crops in semi- In sorghum, hybrid breeding is a three-line system as it involves “A” ms line, “B” maintainer line, and “R” fertility restorer line. Seed treatment and storage The seeds are treated with captan or thiram @ 2 g/kg of seed and pack it in 0 Lecture 08: hybrid seed production in maize. 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 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). Methods and composition for the production of sorghum hybrids with selected and different flowering times are provided. 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. Merely said, the hybrid sorghum seed production breeding and research is universally compatible taking into account any devices to read. See our Privacy Policy and User Agreement for details. Lecture 09: seed production techniques in paddy varieties. Upload; Login; Signup; Submit Search. 1994. For fertilizing the flowers of the female line, pollen has to come from the male plants. 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. Search for more papers by this author. 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