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Journal of Pharmacognosy and Phytochemistry

Journal of Pharmacognosy and Phytochemistry

Vol. 8, Issue 3 (2019)

Genotypic response for zinc efficiency in aerobic rice under normal and stress condition

Author(s):

J Vanitha, K Amudha, R Mahendran and R Usha kumari

Abstract:
To study association analysis and zinc efficiency among 246 Recombinant Inbred Lines (RILs) derived from a cross involving CO51 x CB-06-803-2 were evaluated along with the parents under aerobic condition in a zinc deficient soil (0.8 ppm) at Wetland, Department of farm management, Tamil Nadu Agricultural University, Coimbatore during Rabi 2014. A control plot (+Zn) was maintained by treating the soil with recommended dose of 25 Kg/ha Znso4. Plot yield had high and positive correlation with panicle length, productive tillers, hundred grain weight, harvest index and panicle harvest index under control condition whereas it had significant and positive correlation with panicle length, number of productive tillers, shoot zinc content, root zinc content, hundred grain weight, harvest index, panicle harvest index, zinc efficiency (ZE) in shoot and ZE in root under stress condition. ZE in shoot had Positive and significant correlation with ZE in root in stress condition. Therefore, selection for anyone of the above characters would bring in simultaneous improvement of zinc efficiency of shoot and root and ultimately improving the grain yield.

Pages: 556-559  |  595 Views  177 Downloads


Journal of Pharmacognosy and Phytochemistry Journal of Pharmacognosy and Phytochemistry
How to cite this article:
J Vanitha, K Amudha, R Mahendran and R Usha kumari. Genotypic response for zinc efficiency in aerobic rice under normal and stress condition. J Pharmacogn Phytochem 2019;8(3):556-559.

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