Analysis of Adult Population Dynamics and Physical Control Benefit of Spodoptera frugiperda in Zhaotong of Yunnan Province in 2021

doi:10.11924/j.issn.1000-6850.casb2023-0287

Abstract

Abstract:

Fall armyworm (Spodoptera frugiperda) has posed a great threat to food production security in China since its invasion. It is of great significance for food production security to understand local population dynamics of fall armyworm and take effective prevention and control measures. In this study, the dynamics of fall armyworm adults in Zhaotong, Yunnan Province had been monitored throughout the year in 2021, and a control demonstration area was established to conduct a comparative study on prevention and control schemes. The results showed as follows: (1) The adult fall armyworm began to appear on March 1st in Zhaotong; The occurrence time sequence developed from southwest to northeast. (2) The occurrence of adult fall armyworm was mainly concentrated in Qiaojia County, Ludian County, Yongshan County, Yiliang County, Zhaoyang District and Daguan County. (3) The largest population period was observed in Qiaojia County and Yongshan County in the southwest of Zhaotong from April to June, and a large number of fall armyworm migrated into Ludian County, Yiliang County and Zhaoyang District in August. (4) The physical inducement of fall armyworm by sexual attraction, searchlight trap and mixed measurement of sexual attraction + light trap could significantly reduce the harm of fall armyworm and diminish the loss of maize yield. The mixed measurement had the most significant controlling effects.

Key words: Fall armyworm, adult population dynamics, physical inducement, Zhaotong, Yunnan

ZHOU Guangxin, MA Yongcui, REN Jiaxin, SHENG Yiwei, LI Yongping, PENG Mingchun, FENG Zhengjun, LI Pingsong, WANG Chongyun. Analysis of Adult Population Dynamics and Physical Control Benefit of Spodoptera frugiperda in Zhaotong of Yunnan Province in 2021[J]. Chinese Agricultural Science Bulletin, 2024, 40(8): 132-139.

Figures/Tables 8

References 20

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序号	编号	所属行政区	经度/°E	纬度/°N	海拔/m	首见日期
1	A₁	巧家县金塘镇	103.01875	26.74774	1190	2021/3/1
2	A₂	巧家县白鹤滩镇	102.91337	26.96939	970	2021/3/8
3	A₃	巧家县大寨镇	102.92286	27.22828	1330	2021/3/15
4	A₄	巧家县茂租镇	102.95462	27.40235	760	-
5	A₅	巧家县红山乡	103.10991	27.39139	860	2021/4/19
6	A₆	巧家县小河镇	103.21623	27.17316	960	-
7	A₇	巧家县新店镇	103.25461	27.12978	885	2021/3/8
8	A₈	巧家县老店镇	103.32051	27.00101	1480	-
9	B₁	永善县码口镇	103.30295	27.61963	1110	2021/3/1
10	B₂	永善县务基镇	103.48228	28.10523	1150	-
11	B₃	永善县溪洛渡镇	103.62017	28.21148	1000	2021/5/13
12	B₄	永善县桧溪镇	103.87046	28.33890	440	2021/3/29
13	C₁	绥江县南岸镇	103.85530	28.64951	660	-
14	C₂	绥江县新滩镇	104.13431	28.62433	625	-
15	D₁	水富市太平镇	104.16183	28.52536	735	2021/4/26
16	D₂	水富市两碗镇	104.24417	28.40055	665	2021/4/5
17	E₁	盐津县普洱镇	104.17737	28.25446	440	-
18	E₂	盐津县盐井镇	104.20514	28.19449	615	-
19	E₃	盐津县柿子镇	104.22595	27.98732	480	-
20	E₄	盐津县庙坝镇	104.43536	27.89102	555	-
21	E₅	盐津县兴隆乡	104.38265	28.27012	660	-
22	E₆	盐津县牛寨乡	104.43152	28.13265	700	2021/8/30
23	F₁	大关县悦乐镇	103.82603	27.84171	835	2021/4/5
24	F₂	大关县翠华镇	103.85991	27.80238	850	2021/4/12
25	F₃	大关县寿山镇	103.90481	27.88261	880	2021/3/22
26	G₁	昭阳区靖安镇	103.72914	27.54673	1850	2021/4/22
27	G₂	昭阳区盘河镇	103.87847	27.55222	1840	2021/5/6
28	G₃	昭阳区洒渔镇	103.61475	27.44551	1920	-
29	G₄	昭阳区永丰镇	103.61965	27.25642	1920	2021/3/29
30	G₅	昭阳区布嘎回族乡	103.65142	27.13712	2050	2021/3/18
31	H₁	鲁甸县梭山镇	103.23633	27.30213	1290	2021/3/29
32	H₂	鲁甸县江底镇	103.60924	27.02330	1560	-
33	H₃	鲁甸县小寨镇	103.53354	27.21825	1745	2021/3/22
34	I₁	彝良县角奎镇	104.08020	27.64426	1030	2021/3/22
35	I₂	彝良县洛泽河镇	103.92873	27.49868	1560	2021/4/26
36	I₃	彝良县荞山镇	104.20769	27.56524	1715	2021/3/22
37	I₄	彝良县牛街镇	104.45472	27.86919	655	2021/3/29
38	I₅	彝良县洛旺苗族乡	104.60745	27.77465	640	-
39	J₁	镇雄县芒部镇	104.95932	27.46865	1820	-
40	J₂	镇雄县五德镇	104.77364	27.64525	980	-
41	J₃	镇雄县盐源镇	104.90959	27.41637	1520	2021/5/24
42	K₁	威信县庙沟镇	104.83881	27.80452	1080	-
43	K₂	威信县罗布镇	105.04721	27.95811	620	2021/4/12
44	K₃	威信县扎西镇	105.11077	27.78109	995	2021/3/29

序号	编号	所属行政区	经度/°E	纬度/°N	海拔/m	首见日期
1	A₁	巧家县金塘镇	103.01875	26.74774	1190	2021/3/1
2	A₂	巧家县白鹤滩镇	102.91337	26.96939	970	2021/3/8
3	A₃	巧家县大寨镇	102.92286	27.22828	1330	2021/3/15
4	A₄	巧家县茂租镇	102.95462	27.40235	760	-
5	A₅	巧家县红山乡	103.10991	27.39139	860	2021/4/19
6	A₆	巧家县小河镇	103.21623	27.17316	960	-
7	A₇	巧家县新店镇	103.25461	27.12978	885	2021/3/8
8	A₈	巧家县老店镇	103.32051	27.00101	1480	-
9	B₁	永善县码口镇	103.30295	27.61963	1110	2021/3/1
10	B₂	永善县务基镇	103.48228	28.10523	1150	-
11	B₃	永善县溪洛渡镇	103.62017	28.21148	1000	2021/5/13
12	B₄	永善县桧溪镇	103.87046	28.33890	440	2021/3/29
13	C₁	绥江县南岸镇	103.85530	28.64951	660	-
14	C₂	绥江县新滩镇	104.13431	28.62433	625	-
15	D₁	水富市太平镇	104.16183	28.52536	735	2021/4/26
16	D₂	水富市两碗镇	104.24417	28.40055	665	2021/4/5
17	E₁	盐津县普洱镇	104.17737	28.25446	440	-
18	E₂	盐津县盐井镇	104.20514	28.19449	615	-
19	E₃	盐津县柿子镇	104.22595	27.98732	480	-
20	E₄	盐津县庙坝镇	104.43536	27.89102	555	-
21	E₅	盐津县兴隆乡	104.38265	28.27012	660	-
22	E₆	盐津县牛寨乡	104.43152	28.13265	700	2021/8/30
23	F₁	大关县悦乐镇	103.82603	27.84171	835	2021/4/5
24	F₂	大关县翠华镇	103.85991	27.80238	850	2021/4/12
25	F₃	大关县寿山镇	103.90481	27.88261	880	2021/3/22
26	G₁	昭阳区靖安镇	103.72914	27.54673	1850	2021/4/22
27	G₂	昭阳区盘河镇	103.87847	27.55222	1840	2021/5/6
28	G₃	昭阳区洒渔镇	103.61475	27.44551	1920	-
29	G₄	昭阳区永丰镇	103.61965	27.25642	1920	2021/3/29
30	G₅	昭阳区布嘎回族乡	103.65142	27.13712	2050	2021/3/18
31	H₁	鲁甸县梭山镇	103.23633	27.30213	1290	2021/3/29
32	H₂	鲁甸县江底镇	103.60924	27.02330	1560	-
33	H₃	鲁甸县小寨镇	103.53354	27.21825	1745	2021/3/22
34	I₁	彝良县角奎镇	104.08020	27.64426	1030	2021/3/22
35	I₂	彝良县洛泽河镇	103.92873	27.49868	1560	2021/4/26
36	I₃	彝良县荞山镇	104.20769	27.56524	1715	2021/3/22
37	I₄	彝良县牛街镇	104.45472	27.86919	655	2021/3/29
38	I₅	彝良县洛旺苗族乡	104.60745	27.77465	640	-
39	J₁	镇雄县芒部镇	104.95932	27.46865	1820	-
40	J₂	镇雄县五德镇	104.77364	27.64525	980	-
41	J₃	镇雄县盐源镇	104.90959	27.41637	1520	2021/5/24
42	K₁	威信县庙沟镇	104.83881	27.80452	1080	-
43	K₂	威信县罗布镇	105.04721	27.95811	620	2021/4/12
44	K₃	威信县扎西镇	105.11077	27.78109	995	2021/3/29

防控方法	植株受害率/%	产量/(kg/hm²)	R/%
对照	28.33±3.38a	5762.55±29.60a	0.00
性诱	19.00±0.58b	5988.45±6.79ab	3.92
灯诱	19.33±2.03b	6802.50±3.87bc	18.05
性诱+灯诱	10.67±0.88c	7202.55±7.71c	24.99

防控方法	植株受害率/%	产量/(kg/hm²)	R/%
对照	28.33±3.38a	5762.55±29.60a	0.00
性诱	19.00±0.58b	5988.45±6.79ab	3.92
灯诱	19.33±2.03b	6802.50±3.87bc	18.05
性诱+灯诱	10.67±0.88c	7202.55±7.71c	24.99

防控方法	植株受害率/%	产量/(kg/hm²)	R/%
对照	80.50±10.50a	2962.80±228.86a	0.00
性诱	2.67±1.20b	6371.85±3.83bc	115.06
灯诱	3.00±1.00b	5420.70±35.48b	82.96
性诱+灯诱	3.00±2.52b	7001.10±40.78c	136.30