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 12: hybrid seed production in sorghum. :�~�.��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�. h�bbd``b`�$��V ��H�ۃ��@��*&F�@#i��G� ��
58 26. Breeding sorghum - SlideShare 5.4. Hybrid seed is produced by crossing A × R lines in breeder seed production plot . Search for more papers by this author. Now customize the name of a clipboard to store your clips. Lecture 13: seed production in pearl millet. Frequent visits to seed production plots are necessary to remove the off-type plants to maintain the quality and genetic purity of hybrid seeds. 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. Rhoades, L.M. Hybrid Seed production in sorghum is largely confined to the states of Madhya Pradesh, Andhra Pradesh, Karnataka and Tamil Nadu. WELCOME 2. 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. (b) Sorghum (Figure 5) endstream
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lJqy��Mu���P�^������t��5�ꓐ�I�p#i����V�e3�n�t�� o̱���5��k�=�p[]u���C�n��P���? •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 The arrangement is same except the B-lines have been substituted by R-lines. For fertilizing the flowers of the female line, pollen has to come from the male plants. Restorer line is used to restore the fertility in hybrid after crossing with ms A line in hybrid production plot (Fig. Upload; Login; Signup; Submit Search. 7.1). One of the most important staple food for million poor rural people. See our User Agreement and Privacy Policy. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. 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. Seed production of sorghum 1. Hybrid seed is produced by crossing A × R lines in breeder seed production plot . Lecture 11: seed production in sorghum. See our Privacy Policy and User Agreement for details. DESSE SEED PTY LTD head office is located 13km from the township of Kununurra in the Ord River Irrigation Area. 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 F1 hybrid of crosses between different genotypes is often much more vigorous than its parents. Sorghum genetics, breeding, and hybrid' seed production. Production of hybrid sorghum seed depends on cytoplasmic male sterility. 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. 796 0 obj
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1. In sorghum, hybrid breeding is a three-line system as it involves “A” ms line, “B” maintainer line, and “R” fertility restorer line. 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. 5.3 “R” Line. Owen, M.M. It should be pointed out, however, that some of these disadvantages are also issues in a … endstream
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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. PEARL MILLET Heterosis and Hybrid Seed Production. 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. Processing . This information bulletin concentrates on certain aspects of varietal purity of sorghum and pearl millet when the variety/hybrid seed is being produced. %%EOF
Josephson, M.T. Read Book Hybrid Sorghum Seed Production Breeding And Research Sorghum genetics, breeding, and hybrid' seed production. Backed by trusted technologies, our fungicide and insecticide treatments improve grain sorghum emergence, stand and vigor to help you achieve higher yield potential. 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. 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. Millets (sorghum, pearl millet and small millets) are the important food and fodder crops in semi- Seed should be dried to 12% for short term storage and 8% for long term storage. Lecture 09: seed production techniques in paddy varieties. During hybrid seed production, the R line is cross pollinated with the A line to produce a hybrid seed. The sorghum seeds can be processed in OSAW cleaner cum grader using 9/64" round perforated metal sieve. The shape of the seed is oval to round and the colour may be red, white, yellow, brown or shades thereof. In sorghum, generally followed female to male ratio is 4:2. 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). 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
Sujay Rakshit, Amasiddha Bellundagi, in Breeding Sorghum for Diverse End Uses, 2019. Lecture 08: hybrid seed production in maize. 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. But problems in hybrid seed production always relate to the problems in synchrony of the parental lines and the techniques to achieve the same. You can change your ad preferences anytime. 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. SlideShare Explore Search You. 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. If you continue browsing the site, you agree to the use of cookies on this website. 1994. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. In accordance with the invention, a substantially continual and high-yield harvest of sorghum is provided. 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. Experimental Production of Hybrid Sorghum Seed with a Three‐way Cross 1. AJAYI, O. Methods and composition for the production of sorghum hybrids with selected and different flowering times are provided. 0
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