| 几种除草剂对小麦籽粒产量及生理特性的影响 |
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| 引用本文： | 王正贵,于倩倩,周立云,郭文善,朱新开,李春燕,封超年.几种除草剂对小麦籽粒产量及生理特性的影响[J].核农学报,2011,25(4):791-795. |
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| 作者姓名： | 王正贵 于倩倩 周立云 郭文善 朱新开 李春燕 封超年 |
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| 作者单位： | 扬州大学江苏省作物遗传生理重点实验室／扬州大学小麦研究所,江苏扬州,225009 |
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| 基金项目： | 江苏省"六大人才高峰"项目，国家自然科学基金，江苏省农业支撑计划项目，江苏省高校自然科学重大基础研究项目 |
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| 摘 要： | 为评价除草剂的负效应,研究了大田条件下苯磺隆、使它隆、异丙隆、骠马和绿麦隆5种除草剂春季施用对强筋小麦烟农19和弱筋小麦扬麦13的籽粒产量及相关生理特性的影响。结果表明,5种除草剂处理后对小麦株高均有一定的抑制作用,表现为高剂量抑制作用强,低剂量抑制作用较弱,其中抑制作用最强的为异丙隆2倍量处理,其抑制率达对照的9.6...
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| 关 键 词： | 除草剂 小麦 籽粒产量 生理特性 |
| 收稿时间： | 2011-04-08 |
EFFECTS OF HERBICIDES ON GRAIN YIELD AND PHYSIOLOGICAL CHARACTERISTICS OF WHEAT |
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| WANG Zheng-gui,YU Qian-qian,ZHOU Li-yun,GUO Wen-shan,ZHU Xin-kai,LI Chun-yan,FENG Chao-nian.EFFECTS OF HERBICIDES ON GRAIN YIELD AND PHYSIOLOGICAL CHARACTERISTICS OF WHEAT[J].Acta Agriculturae Nucleatae Sinica,2011,25(4):791-795. |
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| Authors: | WANG Zheng-gui YU Qian-qian ZHOU Li-yun GUO Wen-shan ZHU Xin-kai LI Chun-yan FENG Chao-nian |
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| Institution: | Jiangsu Provincial Key Lab. of Crop Genetics and Physiology/Wheat Research Institute of Yangzhou University, Yangzhou University, Yangzhou, Jiangsu 225009 |
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| Abstract: | In order to evaluate the negative effect of herbicides, five commonly herbicides (tribenuron-methyl, fluroxypyr, isoproturon, puma super and chlorotoluron) were used to investigate their effects on grain yield and physiological characteristics of weak-gluten wheat Yangmai 13 and strong-gluten wheat Yannong 19. Results showed that (1) all of the five herbicides exhibited inhibitory effects against plant height, and the high-dosage treatment showed significant inhibitory effect with weaker inhibitory effect by the low-dosage treatment. Among the five herbicides, isoproturon with 2 times recommended dosage had the greatest inhibitory rate of 9.6%. The impacts of the majority herbicides on Yannong 19 were more serious than on Yangmai 13. (2) All of the 5 herbicides reduced the SPAD values of Yannong 19 significantly 5 days after treatment (DAT). Tribenuron-methyl, chlorotoluron, isoproturon reduced the SPAD values of Yangmai 13 significantly, but the effects of fluroxypyr and puma super were not significant. (3) Herbicides treatments reduced photosynthetic rate of the 2 tested wheat varieties and this effect of herbicides showed a certain relationship to be dosage. The herbicides' effect on Yannong19 was greater than on Yangmai 13 and the strongest inhibition effect was twice the recommended dosage of isoproturon treatment with the inhibition rate of 27%. The impacts of herbicides on the physiological indicators of wheat plant were more obvious at the initial of the treatment, followed by a gradually slowing effect, at the late of the treatment most of the indicators could be restored to the control level. (4) The grain yield of wheat were reduced all herbicide treatments, and isoproturon and tribenuron-methyl showed greater inhibitory effect on wheat grain yield, then followed by chlorotoluron, puma super and fluroxypyr. |
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| Keywords: | herbicide wheat grain yield physiological characteristic |
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