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首页> 外文期刊>Weed technology >Safeners Reduce Corn (Zea mays) Chloroacetanilide and Dicamba Injury Under Different Soil Temperatures
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Safeners Reduce Corn (Zea mays) Chloroacetanilide and Dicamba Injury Under Different Soil Temperatures

机译：在不同土壤温度下，安全剂减少玉米（乙酰唑）的氯乙酰苯胺和麦草畏伤害

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摘要

The results of two experiments involving the effects of safeners on chloroacetanilide and dicamba injury in corn are reported here. The first experiment was conducted to determine whether MON-4660, CGA-154281, dichlormid, and MON-13900 would increase corn tolerance to alachlor, metolachlor, and acetochlor, respectively, over a range of soil temperatures (12 to 37 C). All three herbicides, particularly acetochlor, reduced corn shoot lengths at temperatures less than 32 C. The safeners effectively increased corn tolerance to their respective chloroacetanilide herbicide at all soil temperatures. However, acetochlor injury was not completely overcome by dichlormid or MON-13900 when temperatures were less than 27 C. The second experiment was conducted to determine whether these safeners would alleviate injury caused by chloroacetanilides applied with dicamba in sensitive (Pioneer 3320) and tolerant (Cargill 7567) corn hybrids at soil temperatures ranging from 17 to 27 C. Chloroacetanilides (4.5 kg ai/ha) plus dicamba (0.6 kg ae/ha) reduced shoot lengths in both hybrids, with acetochlor/dicamba combinations causing the greatest reductions. All four safeners increased corn tolerance to chloroacetanilide/dicamba tank-mixtures equally.
机译：此处报道了两个涉及安全剂对玉米中氯乙酰苯胺和麦草畏伤害的实验的结果。进行了第一个实验，以确定在土壤温度范围（12至37℃）下，MON-4660，CGA-154281，二氯甲酰胺和MON-13900是否分别提高玉米对甲草胺，异丙甲草胺和乙草胺的耐受性。三种除草剂，特别是乙草胺，在低于32°C的温度下均能缩短玉米芽的长度。安全剂有效地提高了玉米在所有土壤温度下对其各自的氯乙酰苯胺除草剂的耐受性。但是，当温度低于27 C时，双氯米定或MON-13900不能完全克服乙草胺的伤害。进行了第二项实验，以确定这些安全剂是否可以减轻由敏感（耐受性为Pioneer 3320）和麦草畏（耐受性为）的麦草畏与氯乙酰苯胺所引起的伤害。嘉吉7567）玉米杂交种在17至27 C的土壤温度下使用。氯乙酰苯胺（4.5 kg ai / ha）和麦草畏（0.6 kg ae / ha）减少了这两个杂种的芽长，其中乙草胺/麦草畏的组合造成最大的减幅。所有四个安全剂均增加了玉米对氯乙酰苯胺/麦草畏罐混物的耐受性。

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