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Journal of Pharmacognosy and Phytochemistry

Journal of Pharmacognosy and Phytochemistry

Vol. 8, Issue 2 (2019)

Thermal indices in relation to crop phenology and yield of rice (Oryza sativa L.) grown in the south Gujarat region

Author(s):

Chaudhari NV, Kumar N, Parmar PK, Dakhore KK, Chaudhari SN and Chandrawanshi SK

Abstract:
Thermal indices in relation to crop phenology and yield of rice (Oryza sativa L.) grown in the south Gujarat region. Field experiment was conducted during kharif seasons of 2016 at Research and Instructional Farm of Navsari Agricultural University, Navsari. Accumulated growing degree days (GDD) for two different variety under different thermal environment varied considerably from sowing to maturity. Higher GDD, PTUE, HTUE and EDUE was observed under 18 June (D1) in varieties GNR-3 and NAUR-1. Lowest GDD, PTUE and HTUE was observed under 28 June (D2) in both variety. In south Gujarat region, rice is grown mostly under irrigated condition. Late sown rice crop faces high temperature during grain filling and ripening phases which is one of the most important factor which govern the crop phonological development and total biomass production along with efficient conversion of biomass into economic yield.

Pages: 146-149  |  1471 Views  407 Downloads


Journal of Pharmacognosy and Phytochemistry Journal of Pharmacognosy and Phytochemistry
How to cite this article:
Chaudhari NV, Kumar N, Parmar PK, Dakhore KK, Chaudhari SN and Chandrawanshi SK. Thermal indices in relation to crop phenology and yield of rice (Oryza sativa L.) grown in the south Gujarat region. J Pharmacogn Phytochem 2019;8(2):146-149.

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