除草剂混用对大麻田一年生杂草的防除效果
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摘要
山西大麻苗期生长繁茂,茎秆嫩脆,进行田间人工除草作业难度大,且麻田杂草以阔叶杂草为主,以前研究的对大麻田禾本科杂草的防治方法,都不适合该地区。汾阳大麻试验站开展了除草剂混用对大麻田一年生阔叶杂草防除效果的研究。结果表明,每公顷施56%二甲四氯钠WP 300 g+120 g/L烯草酮EC 195 mL对水600 kg/hm~2均匀喷雾,可以很好地防除大麻田一年生阔叶杂草,药后30,50 d株防效均大于95%,鲜质量防效达89%以上,株防效与鲜质量防效明显高于单用的对照药剂二甲四氯钠和烯草酮,且产量不受影响。
Artificial weeding in hemp field is difficult, as a result of the hemp's branches and leaves are luxuriant and stem is tender in seedling stage in Shanxi province. Broad-leaved weeds are the main weeds in the hemp field in Shanxi province rather than grass weeds which the researchers committed to control formerly, so we carried out research for this area. We conducted field experiments by herbicide combinations and measured effects on annual broad leaf weeds control under the guidance of experts of National bast fiber plants industrial technology system in Fenyang hemp test station. Through the screening, testing and demonstration of herbicides, the results showed that, spraying 56% of Chipton WP 300 g + 120 g/L clethodim EC 195 mL add water 600 kg/hm~2, could be a good control of annual broad-leaved weeds in the hemp field, efficacy was more than 95% after 30, 50 days, the control effect of fresh quality was more than 89%. The control effects of the plant and the fresh quality were significantly higher than those of the check medicament(Chipton and clethodim), and the yield of hemp was not affected.
Artificial weeding in hemp field is difficult, as a result of the hemp's branches and leaves are luxuriant and stem is tender in seedling stage in Shanxi province. Broad-leaved weeds are the main weeds in the hemp field in Shanxi province rather than grass weeds which the researchers committed to control formerly, so we carried out research for this area. We conducted field experiments by herbicide combinations and measured effects on annual broad leaf weeds control under the guidance of experts of National bast fiber plants industrial technology system in Fenyang hemp test station. Through the screening, testing and demonstration of herbicides, the results showed that, spraying 56% of Chipton WP 300 g + 120 g/L clethodim EC 195 mL add water 600 kg/hm~2, could be a good control of annual broad-leaved weeds in the hemp field, efficacy was more than 95% after 30, 50 days, the control effect of fresh quality was more than 89%. The control effects of the plant and the fresh quality were significantly higher than those of the check medicament(Chipton and clethodim), and the yield of hemp was not affected.
引文
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[2]吕咏梅,杨龙,胡万群.大麻产业研究进展[J].中国麻业科学,2012,34(1):28-42.
[3]张建春,张华.汉麻综合利用技术[M].北京:长城出版社,2006.
[4]JANICK J,WHIPKEY A.Trends in new crops and new uses[M].Alexandria:ASHS Press,2002.
[5]宋宪友.大麻高效除草(封闭)技术研究[J].中国麻业科学,2012,34(2):81-84.
[6]AVICO U,PACIFICI R,ZUCCARO P.Variations of tetrahydrocannabinolcontent in Cannabis plants to distinguish thefibre-type from drugtype plants[J].Bull Narc,1985,37(4):61-65.
[7]关凤芝.大麻遗传育种与栽培技术[M].哈尔滨:黑龙江人民出版社,2010.
[8]蔡银杰.植物保护学[M].南京:江苏科学技术出版社,2006:84.
[9]熊和平.麻类作物育种学[M].北京:中国农业科学技术出版社,2008.
[10]杨慧凤,许淑霞.大豆除草剂应用与关键技术[J].现代农业科技,2008(3):103.
[11]王振宁.FMC和陶氏益农共同开发大豆除草剂[J].农药研究与应用,2007,11(2):41-42.
[12]李淑芳,赵雪荣,王建明.大豆除草剂药害发生与防治[J].内蒙古农业科技,2005(5):54.
[13]肖殊梅,田凤玲.大豆除草剂药害及补救措施[J].农民致富之友,2005(7):6.