Comparison of the effect of several drought-resistant agents on drought resistance and loss reduction in rice production

doi:10.14088/j.cnki.issn0439-8114.2020.17.003

Abstract

Abstract: In order to find suitable drought-resistant agents for rice（Oryza sativa L.） production, field experiments were conducted using three candidate drought-resistant agents, namely, FA Handilong, Hanliting, and abscisic acid. The results showed that in the case of drought, all the three drought resistant agents could increase the chlorophyll content of leaves and panicle length of rice. In addition, FA Handilong could increase the seed setting rate, and Hanliting could increase the number of grains per panicle. Both Hanliting and FA Handilong could significantly increase the grain yield（P<0.05）. Rational application of these two drought-resistant agents in rice production may effectively relieve drought losses.

Key words: rice（Oryza sativa L.）, drought, drought-resistant agents, grain yield

CLC Number:

S511
S423

HOU Lin, LUO Yan-ping, HOU Xiao-jing, LUO Dong-yu, WEI Qiao, LI Hong-ju, ZHOU Jia-hua, JIN De-ming, WANG Fu, WANG Xiong. Comparison of the effect of several drought-resistant agents on drought resistance and loss reduction in rice production[J]. HUBEI AGRICULTURAL SCIENCES, 2020, 59(17): 16-18.

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