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当前位置: 首页 > 文章 > 几种化控药剂对水直播稻生长及产量的影响 大麦与谷类科学 2019,36 (4) 26-28
Position: Home > Articles > Effects of Several Chemical Control Agents on the Growth and Yield of Directly Seeded Rice Barley and Cereal Sciences 2019,36 (4) 26-28

几种化控药剂对水直播稻生长及产量的影响

作  者：
刘宁;董梦雅;孙文忠;周俊辉
单  位：
江苏省农垦农业发展股份有限公司黄海分公司
关键词：
水直播稻;化控药剂;节间;穗长;产量
摘  要：
为给化控药剂在水稻生产中的合理使用提供依据,本试验采用小区对比试验,对15%多效唑WP、5%烯效唑WP和10%微量元素叶面肥(劲丰)3种药剂在水直播稻上进行了化控试验。试验结果表明,破口期和始穗期使用3种化控药剂对水稻上部节间均有一定的控制作用,能显著缩短穗长,与对照相比,3种化控药剂均能造成水稻产量的降低,但破口期使用5%烯效唑WP20 g/667 m2能够较好地控制水稻株高,同时对水稻产量的影响最小。
译  名：
Effects of Several Chemical Control Agents on the Growth and Yield of Directly Seeded Rice
作  者：
LIU Ning;DONG Meng-ya;SUN Wen-zhong;ZHOU Jun-hui;Huanghai Branch of Jiangsu Reclamation Agriculture Development Co.,Ltd.;
关键词：
Directly seeded rice;;Chemical control agents;;Internode;;Ear length;;Yield
摘  要：
The goal of this study was to establish a solid foundation for appropriately using chemical control agents in rice production.To achieve this goal,a small-plot field experiment was carried out to evaluate the effects of the three chemical control agents,15%paclobutrazol,5% uniconazole,and 10% Jinfenggude on the plant height and yield of directly seeded rice.The result showed that application of each of the three chemical control agents at either rupturing stage or heading stage resulted in a decrease in the upper internode of rice,significantly shortening the panicle length.On the other hand,compared with the control,the three chemical control agents all reduced rice yield,but the application of 5% uniconazole WP at the rate of 20 g/667 m2 at rupturing stage effectively controlled rice plant height while having the smallest negative impact on rice yield.Therefore,this treatment may be promoted in rice production practice.

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