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Vol. 9, Issue 11 (2020)

Effect of temperature on the growth and yield of rice (Oryza sativa L.) cultivars

Author(s):
Deependra Singh, SR Mishra, Anil Nishad, RK Aryan and Purusharth Katiyar
Abstract:
A field experiment was conducted during kharif season of 2015 on the topic entitled “Effect of growing environment on growth and development of rice (Oryza sativa L.) cultivars.” in sandy loam soil of N.D. University of Agriculture and Technology, Kumarganj, Faizabad (U.P.). The experiment consisted of nine treatment combinations comprised of three transplanting dates viz., July 5th, July 15th and July 25th and three varieties viz., Sarjoo-52, NDR-359 and Swarna Sub-1. Plant height as affected by different growing environment of rice cultivars. The maximum plant height was recorded with IInd date of transplanting on July 15th (113.3 cm) at all the growth stages which remained at par to Ist date of transplanting July 5th (110.8cm) and significantly superior over IIIrd date of transplanting July 25th (99.5cm) at all the stages of crop. The maximum leaf area index (5.20) was recorded at 90 DAT at July 15th followed by July 5th (4.99) and July 25th (4.67) at the same 90 DAT respectively. From the significant analysis, it was evident that LAI were significant among the different date of transplanting except 15 DAT. Among the varieties NDR- 359 attained maximum leaf area index (5.16) at 90 DAT followed by varieties Swarna Sub-1 (4.98) and Sarjoo-52 (4.60) at the same 90 DAT. Different growing environment significantly affected the dry matter accumulation (gm-2). Maximum dry matter accumulation was noticed with IInd date of transplanting (July15th) at 30, 45, 60, 75, 90 and 105 days after transplanting which remained at par to Ist date of transplanting July 5th and significantly higher over IIIrd date of transplanting July 25th at all the stages of crop. A perusal of data showed that different growing environment were recorded maximum no. of tillers (443) when crop was transplanting on July 15th, which was superior over July 5th, and July 25th, the minimum no. of effective tillers (m-2) was recorded at July 25th.
Pages: 306-309  |  483 Views  45 Downloads


The Pharma Innovation Journal
How to cite this article:
Deependra Singh, SR Mishra, Anil Nishad, RK Aryan, Purusharth Katiyar. Effect of temperature on the growth and yield of rice (Oryza sativa L.) cultivars. Pharma Innovation 2020;9(11):306-309.

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