The Effect of 2% Clothianidin and Cyfluthrin Granule Against Phyllotreta striolata

doi:10.3969/j.issn.1000-2561.2019.08.022

Abstract

Abstract:

Phyllotreta striolata is one of the main pests of cruciferous vegetables at present. Due to its biological characteristics, the commonly used method of foliar spray is inefficiency and causes problems of excessive pesticide residue. In order to explore the control methods and effective agents for controlling P. striolata, the effects of 2% thiamethoxam and cypermethrin granules on the field control efficiency and yield of P. striolata were evaluated by soil treatment with mustard as the experimental vegetable. 2% thiamethoxam-cypermethrin granules had a strong control effect on P. striolata. At the dosage of 2 kg/667 m ², the control effect was 76.67%, 72.00% and 70.64% at 14, 21 and 28 d, respectively. At the same time, the agent also had a certain effect on promoting the growth of mustard. The total yield at the dose of 2 kg/667 m ² was 58.80% higher than that of the untreated fields. The residue analysis of mustard postharvest showed that the residue of thiamethoxam and cypermethrin in mustard and soil was less than 0.5 mg/kg, which met the corresponding terms of National standard for food safety-maximum residue limits for pesticides in foods (GB 2763-2016). Therefore, it is safe and effective to apply 2% thiamethoxam - cypermethrin granules to control P. striolata on mustard. In addition, the soil application method used in this study was a one-time application, which greatly reduced the dosage and labor cost compared with foliar spraying.

Key words: clothianidin, cyfluthrin, Phyllotreta striolata, soil-applied, control efficiency

CLC Number:

S436.3

ZHANG Jing,CHEN Libiao,YAN Chao,YE Huochun,HAN Bingjun,FENG Gang. The Effect of 2% Clothianidin and Cyfluthrin Granule Against Phyllotreta striolata[J]. Chinese Journal of Tropical Crops, 2019, 40(8): 1606-1610.

Figures/Tables 3

References 22

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供试药剂 Treatment	供试浓度 Concentration/ [kg·(667m²)^-1]	叶片受害指数Index of insect/%			防效Control efficiency/%
供试药剂 Treatment	供试浓度 Concentration/ [kg·(667m²)^-1]	14 d	21 d	28 d	14 d	21 d	28 d
2%噻虫胺·氟氯氰菊酯颗粒剂 2% Clothianidin and Cyfluthrin GR	0.5	9.26±1.70^b	15.00±0.96^b	21.81±0.71^b	33.61^d	47.86^c	40.30^d
	1	5.68±2.04^cd	11.85±0.64^bc	16.77±2.10^cd	60.42^bc	58.71^bc	54.35^bc
	2	3.33±1.11^d	8.11±1.63^d	10.74±1.28^e	76.67^a	72.00^a	70.64^a
1.5%噻虫胺颗粒剂 1.5% Clothianidin GR	3	4.07±1.28^cd	8.89±0.00^cd	13.00±1.25^de	71.25^ab	69.11^ab	64.56^ab
1%联苯菊酯·噻虫胺颗粒剂 1% Bifenthrin and Clothianidin GR	4	6.30±1.70^c	12.22±1.11^bc	17.78±2.22^bc	55.42^c	57.63^c	51.64^cd
对照CK	—	14.07±3.39^a	28.89±2.22^a	36.67±2.22^a	—	—	—

供试药剂 Treatment	供试浓度 Concentration/ [kg·(667m²)^-1]	叶片受害指数Index of insect/%			防效Control efficiency/%
供试药剂 Treatment	供试浓度 Concentration/ [kg·(667m²)^-1]	14 d	21 d	28 d	14 d	21 d	28 d
2%噻虫胺·氟氯氰菊酯颗粒剂 2% Clothianidin and Cyfluthrin GR	0.5	9.26±1.70^b	15.00±0.96^b	21.81±0.71^b	33.61^d	47.86^c	40.30^d
	1	5.68±2.04^cd	11.85±0.64^bc	16.77±2.10^cd	60.42^bc	58.71^bc	54.35^bc
	2	3.33±1.11^d	8.11±1.63^d	10.74±1.28^e	76.67^a	72.00^a	70.64^a
1.5%噻虫胺颗粒剂 1.5% Clothianidin GR	3	4.07±1.28^cd	8.89±0.00^cd	13.00±1.25^de	71.25^ab	69.11^ab	64.56^ab
1%联苯菊酯·噻虫胺颗粒剂 1% Bifenthrin and Clothianidin GR	4	6.30±1.70^c	12.22±1.11^bc	17.78±2.22^bc	55.42^c	57.63^c	51.64^cd
对照CK	—	14.07±3.39^a	28.89±2.22^a	36.67±2.22^a	—	—	—

供试药剂 Treatment	供试浓度 Centration/ [kg·(667 m²)^-1]	实测产量 Actual yield/ [kg·(20 m²)^-1]	折算产量 Conversion yield/ [kg·(667 m²)^-1]	增产率 Yield increase rate/%
2%噻虫胺·氟氯氰菊酯颗粒剂 2% Clothianidin and Cyfluthrin GR	0.5	27.72^c	924.54^c	30.70^c
	1	30.00^bc	1000.50^bc	41.23^bc
	2	33.69^a	1123.71^a	58.80^a
1.5%噻虫胺颗粒剂 1.5% Clothianidin GR	2	31.33^ab	1044.97^ab	47.75^ab
1%联苯菊酯·噻虫胺颗粒剂 1% Bifenthrin and Clothianidin GR	2	29.56^bc	985.68^bc	39.34^bc
对照CK	—	21.22^d	707.76^d	—

供试药剂 Treatment	供试浓度 Centration/ [kg·(667 m²)^-1]	实测产量 Actual yield/ [kg·(20 m²)^-1]	折算产量 Conversion yield/ [kg·(667 m²)^-1]	增产率 Yield increase rate/%
2%噻虫胺·氟氯氰菊酯颗粒剂 2% Clothianidin and Cyfluthrin GR	0.5	27.72^c	924.54^c	30.70^c
	1	30.00^bc	1000.50^bc	41.23^bc
	2	33.69^a	1123.71^a	58.80^a
1.5%噻虫胺颗粒剂 1.5% Clothianidin GR	2	31.33^ab	1044.97^ab	47.75^ab
1%联苯菊酯·噻虫胺颗粒剂 1% Bifenthrin and Clothianidin GR	2	29.56^bc	985.68^bc	39.34^bc
对照CK	—	21.22^d	707.76^d	—

供试浓度 Concentration/[kg·(667m²)^-1]	噻虫胺的残留量Residue of thiamethylamine		氟氯氰菊酯的残留量Residue of cypermethrin
供试浓度 Concentration/[kg·(667m²)^-1]	芥菜Mustard	土壤Soil	芥菜Mustard	土壤Soil
2	0.089±0.005	0.172±0.011	0.062±0.004	0.068±0.004
1	0.088±0.003	0.117±0.004	0.060±0.004	0.076±0.003
0.5	0.083±0.002	0.094±0.002	0.074±0.005	0.060±0.002