Effect of 9 herbicides on weed control effect and yield in single-cropping late rice direct seeding field

doi:10.16178/j.issn.0528-9017.20230077

Abstract

Abstract:

In order to effectively control weeds in direct seeding paddy field and screen efficient and safe agents, 9 main weeds control agents were selected to carry out field control experiments, and the effects of these pesticides on yield were studied. The results showed that 4% biazole chlor SC, 40% benzylpyr propachlor WP, 25 g·L^-1 pentaflusulfam OD+300 g·L^-1 prochlor EC, 38% benzyl-ox-prochlor WP and 13% cyanofluoropyridine ester EC had good control effect. The control effect of total weed were more than 90% and the recovery rate of yield loss was more than 55% at 30 days after treatment. After 30 days of use of 17% pentafluoro·cyanofluoroxoxa, the control effect of weed fresh weight was 87.55%, and the recovery rate of yield loss was 56.13%. In terms of production, it is recommended to promote the application of the above 6 kinds of agents. 300 g·L^-1 prochlor EC, 10% oxazolamid EC, 30% cyanofluoxalate EC control effect and yield recovery effect are not ideal, and it is not recommended to promote the application.

Key words: herbicides, single-cropping late rice, field control effectiveness, yield

CLC Number:

S435.115

FU Sheng, REN Jie, YANG Fengli. Effect of 9 herbicides on weed control effect and yield in single-cropping late rice direct seeding field[J]. Journal of Zhejiang Agricultural Sciences, 2024, 65(3): 657-660.

处理	药剂	生产企业	667 m²制剂用量/mL	处理方式
1	300 g·L^-1丙草胺EC	先正达(苏州)作物保护有限公司	120	播后苗前封闭
2	25 g·L^-1五氟磺草胺OD+300 g·L^-1丙草胺EC	美国陶氏益农公司,先正达(苏州)作物保护有限公司	70+100	播后苗前封闭
3	38%苄·噁·丙草胺WP	浙江天一生物科技有限公司	36	播后苗前封闭
4	40%苄嘧·丙草胺WP	浙江天一生物科技有限公司	80	播后苗前封闭
5	4%双唑草腈SC	湖北相和精密化学有限公司	100	播后苗前封闭
6	30%氰氟草酯EC	江苏中旗科技股份有限公司	30	茎叶喷雾
7	10%噁唑酰草胺EC	美国富美实公司	100	茎叶喷雾
8	13%氰氟·吡啶酯EC	科迪华农业科技有限责任公司	80	茎叶喷雾
9	17%五氟·氰氟草OD	杭州颖泰生物科技有限公司	60	茎叶喷雾
10	CK	—	0	—

处理	药剂	生产企业	667 m²制剂用量/mL	处理方式
1	300 g·L^-1丙草胺EC	先正达(苏州)作物保护有限公司	120	播后苗前封闭
2	25 g·L^-1五氟磺草胺OD+300 g·L^-1丙草胺EC	美国陶氏益农公司,先正达(苏州)作物保护有限公司	70+100	播后苗前封闭
3	38%苄·噁·丙草胺WP	浙江天一生物科技有限公司	36	播后苗前封闭
4	40%苄嘧·丙草胺WP	浙江天一生物科技有限公司	80	播后苗前封闭
5	4%双唑草腈SC	湖北相和精密化学有限公司	100	播后苗前封闭
6	30%氰氟草酯EC	江苏中旗科技股份有限公司	30	茎叶喷雾
7	10%噁唑酰草胺EC	美国富美实公司	100	茎叶喷雾
8	13%氰氟·吡啶酯EC	科迪华农业科技有限责任公司	80	茎叶喷雾
9	17%五氟·氰氟草OD	杭州颖泰生物科技有限公司	60	茎叶喷雾
10	CK	—	0	—

处理	稗草			千金子
处理	15 d株防治效果/%	30 d株防治效果/%	30 d鲜重防治效果/%	15 d株防治效果/%	30 d株防治效果/%	30 d鲜重防治效果/%
1	79.91 c	79.35 d	83.06 d	87.09 c	85.20 c	86.69 c
2	94.48 b	92.42 bc	92.72 bc	96.78 ab	94.33 ab	95.51 ab
3	91.40 b	89.51 c	91.33 c	92.81 b	91.85 b	92.72 b
4	100.00 a	96.67 ab	98.18 ab	100.00 a	96.48 ab	97.27 ab
5	100.00 a	100.00 a	100.00 a	100.00 a	98.78 a	98.06 a
处理	马唐			总草
处理	15 d株防治效果/%	30 d株防治效果/%	30 d鲜重防治效果/%	15 d株防治效果/%	30 d株防治效果/%	30 d鲜重防治效果/%
1	93.77 b	91.45 b	90.88 b	72.81 c	73.25 c	78.58 c
2	100.00 a	95.06 ab	95.37 ab	94.27 b	92.36 b	95.37 ab
3	100.00 a	93.51 ab	94.66 ab	95.86 ab	92.43 b	93.16 b
4	100.00 a	97.82 a	98.89 a	97.64 ab	97.08 ab	98.11 a
5	100.00 a	97.27 a	98.51 a	99.19 a	98.25 a	98.62 a

处理	稗草			千金子
处理	15 d株防治效果/%	30 d株防治效果/%	30 d鲜重防治效果/%	15 d株防治效果/%	30 d株防治效果/%	30 d鲜重防治效果/%
1	79.91 c	79.35 d	83.06 d	87.09 c	85.20 c	86.69 c
2	94.48 b	92.42 bc	92.72 bc	96.78 ab	94.33 ab	95.51 ab
3	91.40 b	89.51 c	91.33 c	92.81 b	91.85 b	92.72 b
4	100.00 a	96.67 ab	98.18 ab	100.00 a	96.48 ab	97.27 ab
5	100.00 a	100.00 a	100.00 a	100.00 a	98.78 a	98.06 a
处理	马唐			总草
处理	15 d株防治效果/%	30 d株防治效果/%	30 d鲜重防治效果/%	15 d株防治效果/%	30 d株防治效果/%	30 d鲜重防治效果/%
1	93.77 b	91.45 b	90.88 b	72.81 c	73.25 c	78.58 c
2	100.00 a	95.06 ab	95.37 ab	94.27 b	92.36 b	95.37 ab
3	100.00 a	93.51 ab	94.66 ab	95.86 ab	92.43 b	93.16 b
4	100.00 a	97.82 a	98.89 a	97.64 ab	97.08 ab	98.11 a
5	100.00 a	97.27 a	98.51 a	99.19 a	98.25 a	98.62 a

处理	稗草			千金子
处理	15 d株防治效果/%	30 d株防治效果/%	30 d鲜重防治效果/%	15 d株防治效果/%	30 d株防治效果/%	30 d鲜重防治效果/%
6	75.56 d	73.26 d	72.75 c	71.46 c	69.71 b	69.17 b
7	84.38 c	83.17 c	85.99 b	92.12 b	88.45 a	89.55 a
8	100.00 a	100.00 a	100.00 a	100.00 a	94.66 a	95.59 a
9	90.69 b	90.98 b	91.67 b	95.17 ab	92.59 a	93.78 a
处理	马唐			总草
处理	15 d株防治效果/%	30 d株防治效果/%	30 d鲜重防治效果/%	15 d株防治效果/%	30 d株防治效果/%	30 d鲜重防治效果/%
6	70.31 bc	66.89 b	74.35 b	51.74 c	49.83 c	56.65 d
7	75.38 b	73.46 b	73.92 b	83.05 b	82.57 b	81.49 c
8	87.52 a	84.29 a	82.33 a	94.77 a	93.06 a	96.21 a
9	66.39 c	58.17 c	59.68 c	83.87 b	81.47 b	87.55 b

Effect of 9 herbicides on weed control effect and yield in single-cropping late rice direct seeding field

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处理	小区产量/kg	产量损失挽回率/%
1	131.97 b	36.52 bc
2	154.10 a	59.41 a
3	150.63 a	55.82 a
4	156.90 a	62.30 a
5	157.77 a	63.20 a
6	123.67 c	27.93 c
7	136.27 b	40.96 b
8	157.00 a	62.41 a
9	150.93 a	56.13 a
10	96.67 d	0

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