[关键词]
[摘要]
为确定对春播豌豆安全高效的除草剂种类及其剂量,采用田间小区试验方法,对5种茎叶除草剂进行防效观察及安全性评价。结果表明,供试除草剂均可用于豌豆田。其中108 g/L高效氟吡甲禾灵乳油450~600 mL/hm2总防效最好,480 g/L灭草松水剂3 000~4 500 mL/hm2、10%精喹禾灵乳油900 mL/hm2、80%阔草清水分散粒剂45 g/hm2和24%烯草酮乳油675 mL/hm2均可有效防除豌豆田杂草。10%精喹禾灵乳油900 mL/hm2和80%阔草清水分散粒剂30~45 g/hm2处理增产效果显著,均较对照增产10%以上。108 g/L高效氟吡甲禾灵乳油450 mL/hm2处理较对照增产9.59%。综合考虑除草效果和安全性,推荐108 g/L高效氟吡甲禾灵乳油450 mL/hm2、480 g/L灭草松水剂3 000 mL/hm2、10%精喹禾灵乳油900 mL/hm2和80%阔草清水分散粒剂45 g/hm2用于豌豆田杂草防除。
[Key word]
[Abstract]
In order to select safe and effective herbicides and to determine optimal application rates for spring pea production, the method of field plot experiment was used to evaluate the control effect and safety of five foliar-applied herbicides. The results show that all the selected herbicides can be used in pea field. 108 g/L Haloxyfop-R- methyl EC 450~600 mL/hm2 had the best control effect in the total weeds. 480 g/L Bentazone AS 3 000~4 500 mL/hm2, 10% Quizalofop-P EC 900 mL/hm2, 80%Flumetsulam WG 45 g/hm2 and 24% Clethodim EC 675 mL/hm2 can be effective control weeds in pea fields. 10% Quizalofop-P EC 900 mL/hm2 and 80% Flumetsulam WG 30~45 g/hm2 increased yield significantly, 10% higher than the control. 108 g/L Haloxyfop-R-methyl EC 450 mL/hm2 increased yield by 9.59% compared with CK. Considering both the control effect and safety, 108 g/L Haloxyfop-R-methyl EC 450 mL/hm2, 480 g/L Bentazone AS 3 000 mL/hm2, 10% Quizalofop-P EC 900 mL/hm2 and 80% Flumetsulam WG 45 g/hm2 were recommended for controlling weeds in pea field.
[中图分类号]
S482.4;S643.3
[基金项目]
现代农业食用豆产业技术体系(CARS-08-G14);甘肃省农科院农业科技创新专项支持(2017GAAS97)。