DRRH-4 (IET 27937) - World’s First Public Bred Aerobic Rice Hybrid

Journal of Rice Research and Developments Pub Date : 2023-05-21 DOI:10.58297/kcix9658

Senguttuvel P, Hari Prasad AS, Sundaram RM, Revathi P, Kemparaju KB, Sruthi K, Subba Rao LV, Aravind Kumar J, Sheshu Madhav M, Muthuraman P, Laha GS, Nirmala B, Amtul Waris, Sreedevi B, Somasekhar N, Kannan C, Prasad MS, Mahender Kumar R, Sadath Ali M, Koteshwar Rao P, Nagarjuna E, Beulah P, Jaldhani V, Sravan Raju N, Nagaraju -, Manasa Y

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Abstract

DRRH-4 [IET 27937 (IIRRH-124)], is an aerobic rice hybrid developed from APMS-6A / AR 9-18 cross. It was evaluated in AICRIP multi-location aerobic rice trials during wet seasons of 2018 to 2021. DRRH-4 consistently out-performed the check varieties in Punjab, Odisha, Chhattisgarh, Tripura and Gujarat states with a mean grain yield 5030 kg/ha, which is 32%, 28%, 22% and 11% higher than national check, zonal, local and hybrid checks, respectively. In addition, it exhibited moderate resistance to leaf blast, neck blast, gall midge, rice stem borer, and whorl maggot. DRRH-4 has early duration of 120 days (seed to seed) and possess desirable grain and cooking quality parameters. It was released for cultivation in aerobic ecosystems of Punjab, Odisha, Chhattisgarh, Tripura and Gujarat states through Central Sub-committee on Crop Standards, Notification and Release of Varieties for Agricultural Crops vide S.O. 4065(E) dt. 31st Aug., 2022 [CG-DL-E-31082022-238490].

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DRRH-4 (IET 27937) -世界上第一个公开培育的有氧水稻杂交品种

DRRH-4 [IET 27937 (IIRRH-124)]是由APMS-6A / ar9 -18杂交而成的好氧水稻杂交种。在2018年至2021年雨季的AICRIP多地点有氧水稻试验中对其进行了评估。DRRH-4在旁遮普邦、奥里萨邦、恰蒂斯加尔邦、特里普拉邦和古吉拉特邦的平均粮食产量为5030公斤/公顷，分别比全国检查、分区检查、地方检查和杂交检查高出32%、28%、22%和11%。此外，对叶瘟、颈瘟、瘿蚊、稻螟虫和螟蛆具有中等的抗性。DRRH-4具有120天(种子到种子)的早期生育期，具有理想的籽粒和蒸煮品质参数。它是通过农作物标准、通报和发布农作物品种中央小组委员会(S.O. 4065(E) dt)在旁遮普邦、奥里萨邦、恰蒂斯加尔邦、特里普拉邦和古吉拉特邦的有氧生态系统中发布的。2022年8月31日[CG-DL-E-31082022-238490]。

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Journal of Rice Research and Developments

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