Effects of processed petroleum-based horticultural mineral oils on settling behavior of Diaphorina citri Kuwayama (Hemiptera: Lividae)

doi:10.3969/j.issn.1004-1524.2021.01.11

Acta Agriculturae Zhejiangensis ›› 2021, Vol. 33 ›› Issue (1): 87-95.DOI: 10.3969/j.issn.1004-1524.2021.01.11

• Plant Protection • Previous Articles Next Articles

Effects of processed petroleum-based horticultural mineral oils on settling behavior of Diaphorina citri Kuwayama (Hemiptera: Lividae)

HUANG Zhendong¹(), PU Zhanxu¹, HU Xiurong¹, CHEN Guoqing¹, LYU Jia¹, ZHAN Hongmu²

1. The Citrus Research Institute of Zhejiang Province, Taizhou 318020, China
2. Taizhou Agricultural Materials Co., Ltd., Taizhou 318020, China

Received:2020-10-14 Online:2021-01-25 Published:2021-01-25

Abstract

Abstract:

In order to evaluate the control efficacy of petroleum-based horticultural mineral oils(HMOs)against Diaphorina citri Kuwayama (Hemiptera: Liviidae), the colonization rate of the adult Diaphorina citri on the citrus plants were investigated with four volumn fractions of HMOs in 0.25%, 0.5%, 1% , 2% and water control sprayed on the citrus seedlings in the closed space. Meanwhile, the control efficiency of HMOs on Diaphorina citri nymph were evaluated with the same experimental design. It was showed that when the adult Diaphorina citri were released after spraying HMOs on the citrus seedlings once, the number of adults/plant within 1 to 2 days and eggs/plant in 9 days significantly reduced (P<0.05); however, the control effect was not obvious in the later stage. The numbers of the adult Diaphorina citri per plant after spraying HMOs on the citrus seedlings twice was fewer than spraying once. When the adult Diaphorina citri were released after spraying 2% HMOs on the citrus seedlings twice, the colonization ratio of the adult Diaphorina citri was 0.15 after 22 days. Among the treatments that adult Diaphorina citri released after spraying HMOs on the citrus seedlings twice, spraying HMOs on the citrus seedlings before and after the release of adult Diaphorina citri, and the adult Diaphorina citri released before spraying HMOs on the citrus seedlings twice, the best treatment was the adult Diaphorina citri released before spraying HMOs on the citrus seedlings twice. The result of field trial showed that the control efficacy of spraying 1% and 2% HMOs on the Diaphorina citri nymph remained 100% within 2-14 days, the control efficacy of 0.5% HMOs treatment was between 87.15%-90.81%, the control efficacy of 0.25% HMOs treatment was between 25.81%-34.73%. 0.5%-2% HMOs provided excellent control efficacy on the Diaphorina citri nymph consequently. It was suggested that Diaphorina citri could be well controlled by spraying 0.5%-1% HMOs twice or more every other week in the peak occurrence at the area of Huanglongbing disease.

Key words: petroleum-based horticultural mineral oils(HMOs), Diaphorina citri Kuwayama (Hemiptera: Liviidae), colonization, control efficacy

CLC Number:

S436.669

HUANG Zhendong, PU Zhanxu, HU Xiurong, CHEN Guoqing, LYU Jia, ZHAN Hongmu. Effects of processed petroleum-based horticultural mineral oils on settling behavior of Diaphorina citri Kuwayama (Hemiptera: Lividae)[J]. Acta Agriculturae Zhejiangensis, 2021, 33(1): 87-95.

Figures/Tables 6

References 21

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药后间隔天数 Days after spraying/d	定殖率 Colonization rate/%					F	P
药后间隔天数 Days after spraying/d	清水对照Control	0.25% HMOs	0.5% HMOs	1% HMOs	2% HMOs	F	P
1	36.25±1.44 a	30.00±4.08 a	12.50±1.67 b	8.75±2.76 b	8.75±1.44 b	35.767	0
2	61.25±5.95 a	61.25±2.76 a	52.50±3.73 ab	41.25±2.76 c	45.00±2.36 bc	7.975	0.001 2
7	76.25±4.93 a	68.75±2.76 ab	68.75±3.63 ab	60.00±2.36 b	81.25±8.62 a	3.517	0.032 4
14	60.00±2.36 ab	62.50±6.01 a	62.50±3.73 a	50.00±5.27 b	63.75±2.76 a	2.313	0.105 2
24	57.50±2.89 a	51.25±7.95 ab	48.75±1.44 ab	38.75±5.95 b	55.00±7.07 a	2.207	0.117 4
27	61.25±2.76 a	52.50±5.00 ab	51.25±4.93 ab	37.50±6.01 b	51.25±7.95 ab	3.087	0.048 5
29	57.50±2.89 a	52.50±3.73 a	52.50±5.53 a	36.25±4.33 b	50.00±7.45 a	3.377	0.036 9
31	61.25±4.93 a	53.75±3.63 a	56.25±3.63 a	37.50±3.73 b	48.75±7.95 ab	4.255	0.016 9
34	67.50±3.73 a	57.50±1.67 ab	56.25±3.63 b	32.50±3.73 c	42.50±5.53 c	16.963	0
36	67.50±5.53 a	56.25±2.76 a	61.25±5.46 a	37.50±3.73 b	41.25±5.46 b	9.941	0.000 4
38	66.25±2.76 a	55.00±4.71 a	66.25±4.93 a	36.25±4.33 b	38.75±6.40 b	12.256	0.000 1
41	67.50±5.00 a	55.00±3.33 bc	71.25±6.40 ab	37.50±3.73 cd	45.00±7.07 d	9.768	0.000 4
43	65.00±10.27 a	60.00±4.08 ab	77.50±8.98 ab	38.75±2.76 c	46.25±7.59 bc	5.848	0.004 8
47	65.00±4.08 a	38.75±2.76 c	75.00±5.27 a	41.25±4.33 c	53.75±4.33 b	17.756	0
50	68.75±7.95 a	61.25±5.95 ab	72.50±10.14 a	45.00±7.07 b	68.75±5.95 a	2.808	0.063 7
52	63.75±3.63 ab	56.25±3.63 b	80.00±8.50 a	43.75±4.33 c	63.75±9.24 ab	5.712	0.005 3
54	70.00±11.79 ab	61.25±4.93 bc	83.75±6.40 a	46.25±4.33 c	72.50±8.66 ab	4.381	0.015 2
57	70.00±11.79 a	63.75±2.76 ab	77.50±3.73 a	46.25±4.33 b	65.00±7.45 a	3.786	0.025 4
59	60.00±9.13 ab	62.50±1.67 ab	80.00±10.27 a	43.75±2.76 b	68.75±6.40 a	4.104	0.025 3
61	61.25±9.54 a	62.50±3.73 a	68.75±5.46 a	43.75±2.76 b	72.50±3.73 a	5.22	0.007 7
64	63.75±12.56 a	67.50±5.53 a	68.75±6.40 a	40.00±2.36 b	72.50±9.57 a	3.431	0.035 1

药后间隔天数 Days after spraying/d	定殖率 Colonization rate/%					F	P
药后间隔天数 Days after spraying/d	清水对照Control	0.25% HMOs	0.5% HMOs	1% HMOs	2% HMOs	F	P
1	36.25±1.44 a	30.00±4.08 a	12.50±1.67 b	8.75±2.76 b	8.75±1.44 b	35.767	0
2	61.25±5.95 a	61.25±2.76 a	52.50±3.73 ab	41.25±2.76 c	45.00±2.36 bc	7.975	0.001 2
7	76.25±4.93 a	68.75±2.76 ab	68.75±3.63 ab	60.00±2.36 b	81.25±8.62 a	3.517	0.032 4
14	60.00±2.36 ab	62.50±6.01 a	62.50±3.73 a	50.00±5.27 b	63.75±2.76 a	2.313	0.105 2
24	57.50±2.89 a	51.25±7.95 ab	48.75±1.44 ab	38.75±5.95 b	55.00±7.07 a	2.207	0.117 4
27	61.25±2.76 a	52.50±5.00 ab	51.25±4.93 ab	37.50±6.01 b	51.25±7.95 ab	3.087	0.048 5
29	57.50±2.89 a	52.50±3.73 a	52.50±5.53 a	36.25±4.33 b	50.00±7.45 a	3.377	0.036 9
31	61.25±4.93 a	53.75±3.63 a	56.25±3.63 a	37.50±3.73 b	48.75±7.95 ab	4.255	0.016 9
34	67.50±3.73 a	57.50±1.67 ab	56.25±3.63 b	32.50±3.73 c	42.50±5.53 c	16.963	0
36	67.50±5.53 a	56.25±2.76 a	61.25±5.46 a	37.50±3.73 b	41.25±5.46 b	9.941	0.000 4
38	66.25±2.76 a	55.00±4.71 a	66.25±4.93 a	36.25±4.33 b	38.75±6.40 b	12.256	0.000 1
41	67.50±5.00 a	55.00±3.33 bc	71.25±6.40 ab	37.50±3.73 cd	45.00±7.07 d	9.768	0.000 4
43	65.00±10.27 a	60.00±4.08 ab	77.50±8.98 ab	38.75±2.76 c	46.25±7.59 bc	5.848	0.004 8
47	65.00±4.08 a	38.75±2.76 c	75.00±5.27 a	41.25±4.33 c	53.75±4.33 b	17.756	0
50	68.75±7.95 a	61.25±5.95 ab	72.50±10.14 a	45.00±7.07 b	68.75±5.95 a	2.808	0.063 7
52	63.75±3.63 ab	56.25±3.63 b	80.00±8.50 a	43.75±4.33 c	63.75±9.24 ab	5.712	0.005 3
54	70.00±11.79 ab	61.25±4.93 bc	83.75±6.40 a	46.25±4.33 c	72.50±8.66 ab	4.381	0.015 2
57	70.00±11.79 a	63.75±2.76 ab	77.50±3.73 a	46.25±4.33 b	65.00±7.45 a	3.786	0.025 4
59	60.00±9.13 ab	62.50±1.67 ab	80.00±10.27 a	43.75±2.76 b	68.75±6.40 a	4.104	0.025 3
61	61.25±9.54 a	62.50±3.73 a	68.75±5.46 a	43.75±2.76 b	72.50±3.73 a	5.22	0.007 7
64	63.75±12.56 a	67.50±5.53 a	68.75±6.40 a	40.00±2.36 b	72.50±9.57 a	3.431	0.035 1

药后间隔天数 Days after spraying/d	每株橘苗上卵数量The number of eggs per citrus seedling
药后间隔天数 Days after spraying/d	清水对照Control	0.25% HMOs	0.5% HMOs	1% HMOs	2% HMOs
7	9.75±0.55 a	1.25±0.29 c	5.25±0.55 b	4.25±0.29 b	2.25±0.29 c
9	9.75±0.29 a	1.50±0.33 c	5.25±0.55 b	4.25±0.55 b	2.25±0.29 c
11	11.25±0.55 c	4.50±0.33 d	6.25±0.73 d	14.00±0.94 b	16.25±0.87 a
13	11.25±0.29 b	8.00±0.47 c	9.00±0.67 c	17.50±1.37 a	16.25±0.99 a
16	15.75±0.99 c	14.75±1.52 c	20.00±1.25 b	27.75±0.99 a	22.75±1.28 b
18	19.75±0.55 c	15.75±1.36 d	22.50±1.80 c	28.50±0.75 b	32.00±1.25 a
20	19.00±1.25 bc	16.75±2.08 c	21.00±1.25 b	31.25±0.55 a	32.50±1.37 a
22	14.50±0.75 c	16.25±1.19 bc	20.75±0.99 b	30.00±2.26 a	32.50±2.77 a
24	14.50±1.20 c	16.25±0.99 c	22.75±0.99 b	30.75±2.68 a	33.75±2.60 a
27	7.75±0.55 d	15.75±1.52 c	23.00±1.15 b	31.25±1.44 a	33.75±2.60 a
29	6.75±0.55 d	15.00±1.41 c	19.00±1.49 c	25.25±0.87 b	33.75±2.76 a
31	4.00±0.67 d	15.00±1.41 c	15.50±0.75 c	25.75±2.47 b	31.25±1.52 a
34	4.50±0.75 d	15.75±1.19 c	15.75±0.99 c	23.25±0.73 b	28.75±1.28 a
36	5.00±0.47 d	15.75±0.55 c	15.75±1.28 c	19.25±1.28 b	30.00±0.82 a
38	3.25±0.87 d	16.00±0.82 c	15.75±0.73 c	19.25±1.52 b	30.00±0.94 a
41	3.75±0.55 d	13.75±0.87 c	13.75±1.19 c	16.50±1.20 b	30.00±0.94 a
43	3.50±0.33 c	13.75±1.09 b	11.25±0.87 b	14.00±0.47 b	27.50±1.73 a
45	6.25±0.73 d	10.00±0.47 c	10.00±1.41 c	15.00±1.41 b	25.00±1.49 a
48	5.25±0.73 d	10.00±0.67 c	9.75±0.87 c	15.00±1.41 b	22.50±1.73 a
50	2.50±0.33 d	11.25±0.73 b	7.50±0.75 c	11.25±1.28 b	16.25±0.87 a
51	2.50±0.33 c	10.00±0.82 b	7.50±0.33 b	10.00±1.70 b	15.00±1.70 a
54	2.50±0.33 c	10.00±0.67 b	7.50±0.33 b	7.50±0.75 b	15.00±2.16 a
56	2.00±0.67 c	10.00±0.67 b	7.50±0.33 b	7.50±0.33 b	15.00±2.16 a
58	2.00±0.67 c	7.50±0.75 b	6.25±0.55 b	7.50±0.75 b	13.75±0.87 a
61	2.50±0.33 c	7.50±0.75 b	6.25±0.55 b	7.50±0.75 b	12.50±0.75 a

药后间隔天数 Days after spraying/d	每株橘苗上卵数量The number of eggs per citrus seedling
药后间隔天数 Days after spraying/d	清水对照Control	0.25% HMOs	0.5% HMOs	1% HMOs	2% HMOs
7	9.75±0.55 a	1.25±0.29 c	5.25±0.55 b	4.25±0.29 b	2.25±0.29 c
9	9.75±0.29 a	1.50±0.33 c	5.25±0.55 b	4.25±0.55 b	2.25±0.29 c
11	11.25±0.55 c	4.50±0.33 d	6.25±0.73 d	14.00±0.94 b	16.25±0.87 a
13	11.25±0.29 b	8.00±0.47 c	9.00±0.67 c	17.50±1.37 a	16.25±0.99 a
16	15.75±0.99 c	14.75±1.52 c	20.00±1.25 b	27.75±0.99 a	22.75±1.28 b
18	19.75±0.55 c	15.75±1.36 d	22.50±1.80 c	28.50±0.75 b	32.00±1.25 a
20	19.00±1.25 bc	16.75±2.08 c	21.00±1.25 b	31.25±0.55 a	32.50±1.37 a
22	14.50±0.75 c	16.25±1.19 bc	20.75±0.99 b	30.00±2.26 a	32.50±2.77 a
24	14.50±1.20 c	16.25±0.99 c	22.75±0.99 b	30.75±2.68 a	33.75±2.60 a
27	7.75±0.55 d	15.75±1.52 c	23.00±1.15 b	31.25±1.44 a	33.75±2.60 a
29	6.75±0.55 d	15.00±1.41 c	19.00±1.49 c	25.25±0.87 b	33.75±2.76 a
31	4.00±0.67 d	15.00±1.41 c	15.50±0.75 c	25.75±2.47 b	31.25±1.52 a
34	4.50±0.75 d	15.75±1.19 c	15.75±0.99 c	23.25±0.73 b	28.75±1.28 a
36	5.00±0.47 d	15.75±0.55 c	15.75±1.28 c	19.25±1.28 b	30.00±0.82 a
38	3.25±0.87 d	16.00±0.82 c	15.75±0.73 c	19.25±1.52 b	30.00±0.94 a
41	3.75±0.55 d	13.75±0.87 c	13.75±1.19 c	16.50±1.20 b	30.00±0.94 a
43	3.50±0.33 c	13.75±1.09 b	11.25±0.87 b	14.00±0.47 b	27.50±1.73 a
45	6.25±0.73 d	10.00±0.47 c	10.00±1.41 c	15.00±1.41 b	25.00±1.49 a
48	5.25±0.73 d	10.00±0.67 c	9.75±0.87 c	15.00±1.41 b	22.50±1.73 a
50	2.50±0.33 d	11.25±0.73 b	7.50±0.75 c	11.25±1.28 b	16.25±0.87 a
51	2.50±0.33 c	10.00±0.82 b	7.50±0.33 b	10.00±1.70 b	15.00±1.70 a
54	2.50±0.33 c	10.00±0.67 b	7.50±0.33 b	7.50±0.75 b	15.00±2.16 a
56	2.00±0.67 c	10.00±0.67 b	7.50±0.33 b	7.50±0.33 b	15.00±2.16 a
58	2.00±0.67 c	7.50±0.75 b	6.25±0.55 b	7.50±0.75 b	13.75±0.87 a
61	2.50±0.33 c	7.50±0.75 b	6.25±0.55 b	7.50±0.75 b	12.50±0.75 a

Effects of processed petroleum-based horticultural mineral oils on settling behavior of Diaphorina citri Kuwayama (Hemiptera: Lividae)

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