化学除草剂防除直播油菜田杂草的效果研究
|
摘要
为了明确除草剂防除直播油菜田杂草的效果,以臻油89为材料,进行17. 5%精喹·草除灵和金油草双拳除草剂不同施用量的除草效果试验。结果表明,2种除草剂均能防除直播油菜田的阔叶杂草和禾本科杂草;金油草双拳比17. 5%精喹·草除灵的除草效果较好。金油草双拳150mL/667m2的除草效果最好,药后60d总株防效89. 6%,总鲜重防效92. 17%,防效达显著水平。除草剂除草比人工中耕除草减少除草费用75元/667m2;且调查未发现2种除草剂对油菜的药害现象。
In order to clarify the effect of herbicides on weed control in direct-seeded rapeseed field,the herbicidal effect of 17. 5%quizalofop-p-ethyl & benazolin and golden-oil-grass double-fisted herbicides on seed rape field was studied with zhenyou 89 as material. The results showed that,2 herbicides can control broad-leaved weeds and gramineous weeds in direct seeding rape fields.The herbicidal effect of golden-oil-grass double-fisted is better than that of 17. 5% quizalofop-p-ethyl & benazolin. The herbicidal effect of golden-oil-grass double-fisted 150 mL/667 m2 was the best. The total plant control effect was 89. 6% and the total weight control effect was 92. 17% in 60 days after the medicine. The control effect reached a significant level. The Herbicides Weeding than artificial cultivation weeding,reduce herbicidal cost 75 yuan/667 m2. 2 herbicides for rape safety.
In order to clarify the effect of herbicides on weed control in direct-seeded rapeseed field,the herbicidal effect of 17. 5%quizalofop-p-ethyl & benazolin and golden-oil-grass double-fisted herbicides on seed rape field was studied with zhenyou 89 as material. The results showed that,2 herbicides can control broad-leaved weeds and gramineous weeds in direct seeding rape fields.The herbicidal effect of golden-oil-grass double-fisted is better than that of 17. 5% quizalofop-p-ethyl & benazolin. The herbicidal effect of golden-oil-grass double-fisted 150 mL/667 m2 was the best. The total plant control effect was 89. 6% and the total weight control effect was 92. 17% in 60 days after the medicine. The control effect reached a significant level. The Herbicides Weeding than artificial cultivation weeding,reduce herbicidal cost 75 yuan/667 m2. 2 herbicides for rape safety.
引文
[1]田丰,黄晓勤,周安兴,等. 3种芽前除草剂在直播油菜生产上的应用效果比较[J].湖南农业科学,2010(21):76-78.
[2]张青,邓渊玉,杨代凤,等. 75%二氯吡啶酸可溶眭粒剂防除冬油菜田阔叶杂草效果[J].植物保护,2006,32(2):101-103.
[3]常向前,褚世海,李儒海,等.八种除草剂防除冬油菜田杂草的效果比较[J].湖北农业科学,2007,46(6):939-941,989.
[4]苏少泉.影响茎叶处理除草剂效果的因素[J].世界农药,2009,31(2):7-11.
[2]张青,邓渊玉,杨代凤,等. 75%二氯吡啶酸可溶眭粒剂防除冬油菜田阔叶杂草效果[J].植物保护,2006,32(2):101-103.
[3]常向前,褚世海,李儒海,等.八种除草剂防除冬油菜田杂草的效果比较[J].湖北农业科学,2007,46(6):939-941,989.
[4]苏少泉.影响茎叶处理除草剂效果的因素[J].世界农药,2009,31(2):7-11.