Effects of 0.01% brassinolide solution application on yield of rice and its resistance to autumn low-temperature damage.
2014
The demonstrative test for the application of 0. 01% Brassinolide solution was conducted in the field of double cropping late rice which was directly sown on various dates. The results showed that: among different application methods,spraying 300 mL / hm20. 01% Brassinolide once respectively at the tillering stage,initial rupturing stage,and full heading stage of rice could obtain the best yield-increasing effect,and its yield-increasing rate reached 9. 65% ~ 16. 56% as compared with the control( no spraying). The application of 0. 01% Brassinolide could shorten the duration of rice heading,strengthen the resistance of rice to autumn low-temperature damage,and it had no obvious impact on rice plant height and was safe to rice.
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