Control effect of pyroxasulfone mixed with pendimethalin on broadleaf weeds in cotton filed and its safety evaluation

doi:10.6048/j.issn.1001-4330.2024.04.009

Xinjiang Agricultural Sciences ›› 2024, Vol. 61 ›› Issue (4): 861-868.DOI: 10.6048/j.issn.1001-4330.2024.04.009

• Crop Genetics and Breeding·Germplasm Resources·Molecular Genetics·Physiology and Biochemistry • Previous Articles Next Articles

Control effect of pyroxasulfone mixed with pendimethalin on broadleaf weeds in cotton filed and its safety evaluation

QIAN Tao¹^,²(), WU Lili³, LI Lei⁴, Anniwaer Kuerban¹(), DING Ruifeng²()

1. Cotton Engineering Research Center, Ministry of Education of the P.R.C., College of Agriculture, Xinjiang Agricultural University, Urumqi 830052, China
2. Scientific Observing and Experimental Station of Crop Pests of Ministry of Agriculture and Rural Affairs in Korla, Institute of Plant Protection, Xinjiang Academy of Agricultural Sciences, Urumqi 830091, China
3. Bazhou Agricultural Technology Extension Center,Korla Xinjiang 841000, China
4. Korla Zhongzhi Agricultural Science and Technology Co. Ltd, Korla Xinjiang 841000, China

Received:2023-08-07 Online:2024-04-20 Published:2024-05-31
Correspondence author: Anniwaer Kuerban, DING Ruifeng
Supported by:
Youth Science and Technology Top-notch Talent Program"Study on Weed Community Succession and Herbicide Digestion Dynamics in Cotton Fields of Southern Xinjiang"(2022TSYCJC0054);Key Laboratory of Integrated Pest Management on Crops on Northwestern Oasis, Ministry of Agriculture and Rural Affairs "Research on Digestion Dynamic of Flumioxazin and Pendimethalin in Cotton Field Soil"(KFJJ202203);Stable support project of Xinjiang Academy of Agricultural Sciences "R & D of Key Technologies for Prevention and Control of Agricultural Diseases, Pests, Weeds and Biosafety"(xjnkywdzc-2022-004)

砜吡草唑与二甲戊灵混配对棉田阔叶杂草的防效及安全性评价

钱涛¹^,²(), 吴莉莉³, 李磊⁴, 安尼瓦尔·库尔班¹(), 丁瑞丰²()

1.新疆农业大学农学院/棉花教育部工程研究中心,乌鲁木齐 830052
2.新疆农业科学院植物保护研究所/农业农村部西北荒漠绿洲作物有害生物综合治理重点实验室,乌鲁木齐 830091
3.新疆巴音郭楞蒙古自治州农业技术推广中心,新疆库尔勒 841000
4.库尔勒市中植农业科技有限公司,新疆库尔勒 841000

通讯作者: 安尼瓦尔·库尔班,丁瑞丰
作者简介:钱涛(1997-),女,四川人,硕士研究生,研究方向为棉田杂草综合防控,(E-mail)2514075324@qq.com
基金资助:
青年科技拔尖人才专项“南疆棉田杂草群落演替规律及主要除草剂消解动态研究”(2022TSYCJC0054);农业农村部西北荒漠绿洲作物有害生物综合治理重点实验室开放基金“二甲戊灵和丙炔氟草胺在棉田土壤的分布及消解动态研究”(KFJJ202203);新疆农业科学院农业科技创新稳定支持项目“病虫草害与生物安全防控关键技术研发”(xjnkywdzc-2022-004)

Abstract

Abstract:

【Objective】 To confirm the control effect on the mixture of Pyroxasulfone and Pendimethalin to broadleaf weeds in cotton field. 【Methods】 Field trials were set up with mixture of 40% Pyroxasulfone SC and 330 g/L Pendimethalin EC to evaluate its safety to cotton and control effect on broadleaf weeds, such as Solanum nigrum, Chenopodium glaucum, Amaranthus retroflexus, Portulaca oleracea, Abutilon theophrasti.【Results】 The results showed that germination rate of cotton was 80.56%-83.61% in treatment of mixed herbicides, there were no significant differences between treatment and contrast. The dosage of 330 g a.i./L Pendimethalin EC 742.5 g a.i./hm² were mixed with Pyroxasulfone SC 120, 180 and 240 g a.i./hm² respectively, and their control effects of plant to broadleaf weeds were 89.15%, 92.03% and 97.83% after 30 days and 87.94%, 91.49% and 95.56% after 45 days, the control effects of fresh weigh to broadleaf weeds were 90.80%, 93.16% and 95.65% respectively, the compound-dose treatments were more efficient than single-dose treatments on control effects of plant and fresh weight to broadleaf weeds. The yield of each treatment increased 9.89%-16.45% compared with control.【Conclusion】 40% Pyroxasulfone SC 120-180g a.i./hm² mixed with 330 g/L Pendimethalin EC are effective to control broadleaf weeds in cotton filed and safe to cotton.

Key words: cotton; pyroxasulfone; pendimethalin; broadleaf weeds; control effect; safety evaluation

摘要：

【目的】研究砜吡草唑与二甲戊灵混配对棉田阔叶杂草的防除效果,并评价其安全性。【方法】设置40%砜吡草唑SC和330 g/L二甲戊灵EC混配田间药效试验,评价各处理对棉田龙葵、灰绿藜、反枝苋、马齿苋和苘麻等阔叶杂草的防效及其对棉花生产的安全性。【结果】各处理棉花出苗率为80.56%~83.61%,与对照相比差异未达显著水平。砜吡草唑SC 120、180和240 g a.i./hm²分别与330 g/L二甲戊灵EC 742.5 g a.i./hm²混配后,药后30 d对棉田阔叶杂草的株防效分别为89.15%、92.03%和97.83%,药后45 d株防效分别为87.94%、91.49%和95.56%,鲜重防效分别为90.80%、93.16%和95.65%,混配药剂对棉田阔叶杂草的株防效和鲜重防效均优于单剂处理。各供试处理与对照相比,棉花增产幅度达9.89%~16.45%。【结论】40%砜吡草唑SC 120~180 g a.i./hm²与330 g/L二甲戊灵EC混配可用作棉花田防除阔叶杂草,对棉花出苗安全。

关键词: 棉花, 砜吡草唑, 二甲戊灵, 阔叶杂草, 防治效果, 安全性评价

CLC Number:

QIAN Tao, WU Lili, LI Lei, Anniwaer Kuerban, DING Ruifeng. Control effect of pyroxasulfone mixed with pendimethalin on broadleaf weeds in cotton filed and its safety evaluation[J]. Xinjiang Agricultural Sciences, 2024, 61(4): 861-868.

钱涛, 吴莉莉, 李磊, 安尼瓦尔·库尔班, 丁瑞丰. 砜吡草唑与二甲戊灵混配对棉田阔叶杂草的防效及安全性评价[J]. 新疆农业科学, 2024, 61(4): 861-868.

Figures/Tables 6

References 32

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处理 Treat- ments	供试药剂 Herbicide	制剂用药量 Dosage of formulation (g·mL/667 m²)	有效成分用量 Dosage of active ingredient (g a.i./hm²)
1	40%砜吡草唑SC+ 330 g/L二甲戊灵EC	15+150	90+742.5
2		20+150	120+742.5
3		30+150	180+742.5
4		40+150	240+742.5
5	40%砜吡草唑SC 330 g/L二甲戊灵EC	20	120
6	40%砜吡草唑SC 330 g/L二甲戊灵EC	150	742.5
7	人工除草	-	-
8	空白对照	-	-

处理 Treat- ments	供试药剂 Herbicide	制剂用药量 Dosage of formulation (g·mL/667 m²)	有效成分用量 Dosage of active ingredient (g a.i./hm²)
1	40%砜吡草唑SC+ 330 g/L二甲戊灵EC	15+150	90+742.5
2		20+150	120+742.5
3		30+150	180+742.5
4		40+150	240+742.5
5	40%砜吡草唑SC 330 g/L二甲戊灵EC	20	120
6	40%砜吡草唑SC 330 g/L二甲戊灵EC	150	742.5
7	人工除草	-	-
8	空白对照	-	-

处理 Treat- ments	供试药剂 Herbicides	有效成分用量 Dosage of active ingredient (g a.i./hm²)	出苗率 Rate of emergence (%)
1	40%砜吡草唑SC+ 330 g/L 二甲戊灵EC	90+742.5	80.56±3.22^a
2		120+742.5	81.94±3.31^a
3		180+742.5	82.22±5.79^a
4		240+742.5	82.50±3.52^a
5	40%砜吡草唑SC 330 g/L 二甲戊灵EC 人工除草空白对照	120	82.78±3.92^a
6		742.5	82.59±3.06^a
7		--	83.61±2.66^a
8		--	83.06±4.96^a

处理 Treat- ments	供试药剂 Herbicides	有效成分用量 Dosage of active ingredient (g a.i./hm²)	出苗率 Rate of emergence (%)
1	40%砜吡草唑SC+ 330 g/L 二甲戊灵EC	90+742.5	80.56±3.22^a
2		120+742.5	81.94±3.31^a
3		180+742.5	82.22±5.79^a
4		240+742.5	82.50±3.52^a
5	40%砜吡草唑SC 330 g/L 二甲戊灵EC 人工除草空白对照	120	82.78±3.92^a
6		742.5	82.59±3.06^a
7		--	83.61±2.66^a
8		--	83.06±4.96^a

处理 Treatments	龙葵 Solanum nigrum	灰绿藜 Chenopodium glaucum	反枝苋 Amaranthus retroflexus	马齿苋 Portulaca oleracea	苘麻 Abutilon theophrasti	阔叶杂草 Broadleaf weeds
1	84.65±2.31^d	82.20±0.72^c	83.75±2.01^ab	81.94±5.61^ab	81.25±7.12^ab	84.78±1.33^c
2	89.74±0.70^bc	89.75±4.30^abc	88.61±4.98^a	88.19±1.75^a	86.81±5.93^ab	89.15±0.57^bc
3	93.75±0.54^ab	92.13±1.97^ab	91.67±2.78^a	92.08±3.43^a	91.67±8.33^ab	92.03±0.69^ab
4	97.73±0.33^a	94.15±1.06^a	93.75±3.99^a	95.14±4.86^a	97.92±2.08^a	97.83±1.35^a
5	85.71±1.18^cd	85.16±2.49^bc	84.44±4.30^ab	86.81±2.08^a	82.64±6.84^ab	85.30±3.57^c
6	73.99±2.31^e	72.41±3.21^d	74.03±6.45^b	71.94±5.99^b	72.22±7.61^b	73.67±3.24^d
7	96.80±0.46^a	94.26±1.35^a	94.17±3.63^a	92.36±4.73^a	95.83±4.17^a	94.14±1.74^ab

Control effect of pyroxasulfone mixed with pendimethalin on broadleaf weeds in cotton filed and its safety evaluation

砜吡草唑与二甲戊灵混配对棉田阔叶杂草的防效及安全性评价

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Metrics

处理 Treatments	龙葵 Solanum nigrum	灰绿藜 Chenopodium glaucum	反枝苋 Amaranthus retroflexus	马齿苋 Portulaca oleracea	苘麻 Abutilon theophrasti	阔叶杂草 Broadleaf weeds
1	82.28±1.41^d	81.91±3.25^c	82.65±1.51^b	81.49±3.53^c	80.14±3.31^cd	82.54±3.07^c
2	88.46±0.53^c	87.59±1.09^abc	87.66±1.06^ab	85.46±2.00^abc	84.17±4.33^abcd	87.94±1.35^bc
3	92.76±0.42^b	91.47±1.21^ab	90.32±1.69^ab	90.62±1.15^abc	89.31±4.14^abc	91.49±0.96^ab
4	96.99±0.34^a	94.53±1.18^a	93.31±1.36^a	93.95±2.45^a	93.75±2.08^a	95.56±1.13^a
5	84.53±0.97^d	83.99±2.82^bc	83.73±1.73^b	83.08±3.49b^c	82.08±1.05^bcd	83.48±1.32^c
6	73.47±1.39^e	71.70±4.38^d	72.63±5.45^c	71.95±3.74^d	73.75±3.97^d	73.56±2.23^d
7	95.74±0.62^a	94.09±1.20^a	92.47±0.33^a	92.18±3.62^ab	92.08±3.43^ab	94.61±1.50^a

处理 Treatments	龙葵 Solanum nigrum	灰绿藜 Chenopodium glaucum	反枝苋 Amaranthus retroflexus	马齿苋 Portulaca oleracea	苘麻 Abutilon theophrasti	阔叶杂草 Broadleaf weeds
1	83.15±2.37^d	82.58±2.46^c	83.99±1.21^c	81.69±0.85^d	80.97±0.96^d	83.55±0.88^c
2	91.47±0.79^b	90.35±1.39^b	90.50±0.34^b	91.69±0.45^b	90.42±0.29^b	90.80±0.68^b
3	93.03±0.72^ab	93.32±1.38^ab	94.21±0.32^a	94.62±0.68^a	93.50±0.26^a	93.16±0.88^ab
4	96.08±0.54^a	95.36±0.35^a	95.12±0.34^a	94.41±0.40^a	94.09±0.35^a	95.65±0.28^a
5	87.36±0.84^c	85.08±0.42^c	85.05±0.66^c	84.20±0.75^c	83.32±0.32^c	86.12±0.40^c
6	74.93±0.73^e	74.24±1.48^d	73.89±0.99^d	73.49±0.53^e	74.37±0.71^e	76.50±1.86^d
7	95.73±0.17^a	94.85±0.32^a	94.13±0.51^a	93.79±0.89^a	93.61±0.35^a	95.00±0.23^a

处理 Treatments	供试药剂 Herbicides	有效成分用量 Dosage of active ingredient (g a.i./hm²)	产量 Yield (kg/hm²)	与对照相比± Compared with the control±(%)
1	40%砜吡草唑SC+ 330 g/L二甲戊灵EC	90+742.5	4 375.95±113.47^ab	9.89
2		120+742.5	4 524.76±158.13^a	13.63
3		180+742.5	4 578.55±204.78^a	14.98
4		240+742.5	4 637.32±167.45^a	16.45
5	40%砜吡草唑SC 330 g/L二甲戊灵EC 人工除草空白对照	120	4 412.21±110.28^ab	10.80
6		742.5	4 298.46±47.74^ab	7.94
7		--	4 389.69±142.97^ab	10.24
8		--	3 982.12±98.24^b	--

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