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Vol. 9, Issue 9 (2020)

Studies on accumulated thermal unit, thermal use efficiency of different rice genotypes at different phenological stages

Author(s):
Alok Kumar Pandey, SR Mishra, AN Mishra, Arun Kumar, Suraj Kumar, Rakesh Kumar Kushwaha and AK Singh
Abstract:
A field experiment was conducted during Kharif season of 2019 at Student Instructional Farm of A.N.D.U.A. & T, Kumarganj, Ayodhya (U.P.) Studies on accumulated thermal unit, thermal use efficiency of different rice genotypes at different phenological stages. Experiment was conducted with in Randomized Block Design and replicated four times. The treatments comprised of 3 crop growing environment i.e. 5th July (D1), 15th July (D2) and 25th July (D3) with 3 genotypes i.e. NDR-97 (V1), SARJOO-52 (V2) and BPT-5204 (V3). The results revealed that Crop growing environment of 5th July (D1) took more days to reach harvest stage in all genotypes. With respect to the heat units viz., growing degree days, photo thermal unit, helio thermal unit, the first growing environment of rice on 5th July (D1) is giving more values over after growing environment i.e. 15th July (D2) and 25th July (D3). Maximum thermal use efficiency (TUE) was recorded in crop growing environment on July 5th (0.60 g/m2/0C days-1) at milking the stage, followed by July 15th (0.39g/m2/0Cdays-1) and July 25th (0.41g/m2/0Cdays-1).
Pages: 543-546  |  411 Views  161 Downloads


The Pharma Innovation Journal
How to cite this article:
Alok Kumar Pandey, SR Mishra, AN Mishra, Arun Kumar, Suraj Kumar, Rakesh Kumar Kushwaha, AK Singh. Studies on accumulated thermal unit, thermal use efficiency of different rice genotypes at different phenological stages. Pharma Innovation 2020;9(9):543-546.

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