CN102640685A - Efficient emergent preventing and controlling method for athetis lepigone - Google Patents
Efficient emergent preventing and controlling method for athetis lepigone Download PDFInfo
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- CN102640685A CN102640685A CN2012100843535A CN201210084353A CN102640685A CN 102640685 A CN102640685 A CN 102640685A CN 2012100843535 A CN2012100843535 A CN 2012100843535A CN 201210084353 A CN201210084353 A CN 201210084353A CN 102640685 A CN102640685 A CN 102640685A
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- phoxim
- worm prestige
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Abstract
The invention relates to a preventing and controlling method for agricultural pests, and in particular relates to an efficient emergent preventing and controlling method for athetis lepigone. The athetis lepigone is prevented and controlled in a mode of combining chemical prevention and control of phoxim and indoxacarb and treatment of field wheat straws, or the athetis lepigone is prevented and controlled in a mode of combining chemical prevention and control of phoxim, fulvic acid and indoxacarb and treatment of field wheat straws; the method has the advantages of quick response and high efficiency in prevention and control, the prevention and control effect in 24 hours can reach over 90 percent, and the prevention efficiency is still over 90 percent after 7 days; the consumption of pesticides in the method is reduced, the cost is reduced, and the method is simple and easy to operate; and the manpower physical prevention and control measure is also combined in the method, so that the prevention and control effect is improved, and the prevention and control aims of high efficiency and quick response are fulfilled.
Description
Technical field
The present invention relates to a kind of agricultural insect management method, particularly relate to the efficient emergence control method of a kind of 2 committee noctuids.
Background technology
2 the committee noctuid [
Athetis lepigone(M schler, 1860)] be the de novo a kind of pest in China summer corn producing region.
According to the interrelated data record, domestic early than find 2 committee's noctuid harm summer corn seedlings in July, 2005 in the area, Shijiazhuang City, Hebei Province, bore the moth basal part of stem; It is dead to cause the withered heart of seedling to be wilted, or bites corn root broken, causes lodging; Cause the serious disconnected ridge that is short of seedling, this belongs to reported first at home.It is reported; 2 committee noctuids were generally taken place in summer corn district, the middle and south, Hebei province in 2010,2011 in Hebei, province such as Henan, Shandong, Shanxi, Anhui, Jiangsu break out, the generation area reaches more than 3,000 ten thousand mu; The minority plot is reseeded or is ruined kind, is rare serious insect pest in the Maize Production in recent years.
It is reported that 2 committee noctuid adults are liked covering the activity of moist place and laying eggs, larva is also liked covering the movable and damage to crops seedling in moist place.In recent years, summer corn producing region, the Yellow River and Huai He River sea had realized generally that wheat mechanized harvest, summer corn pasted stubble sowing etc., and the harvested stalk of wheat directly is scattering into the field, is that generation and the harm of 2 committee noctuids provides large tracts of land favourable suitable environment.
This insect colony is big, heavy to murrain.1 female worm can lay eggs 300 ~ 500, and what have around the one strain maize seedling of field reaches 20 larvas, and this worm mainly gnaws the corn young shoot, bores moth corn lobus cardiacus, destroys growing point, 1 strain production loss, 1 strain of causing harm.This insect is disguised strong, and low instar larvae is difficult to come to light under wheat straw covers; In addition, this insect rapid speed that causes harm, high instar larvae appetite become big, the beginning gluttony, but and clustering cause harm, can cause serious seedling death phenomenon at short notice, and general spray medicine or spread pesticide-clay mixture etc. and be difficult to pass the thick wheat straw insect that tags.At present, be badly in need of a kind of efficient, quick-acting prevention and control means, the object of the invention also is this.
Summary of the invention
The purpose of this invention is to provide a kind of efficient emergence control method that is directed against 2 committee noctuids, the objective of the invention is to realize through following steps:
Step 1, chemical control: adopt phoxim and indenes worm prestige to be mixed and be used for the field perfusion, wherein the weight ratio of phoxim and indenes worm prestige is 6 ~ 40:1, preferred 6 ~ 25:1, most preferably 15:1; Said indenes worm prestige can be 30% indenes worm prestige missible oil, and said phoxim can be 40% phoxim emulsifiable concentrate;
The processing of step 2, field wheat straw: perfusion is pressed into the field wheat straw in the liquid medicine simultaneously repeatedly soaks into.The formulation rate of every mu of wheat stubble corn field is generally 500～1500mL.
In addition, of the present invention a kind of be directed against 2 the committee noctuids efficient emergence control method in, can also in the chemical control step, increase fulvic acid, it is specifically realized through following steps:
Step 1, chemical control: adopt phoxim, fulvic acid and indenes worm prestige to be mixed and be used for the field perfusion, wherein the weight ratio of phoxim, fulvic acid and indenes worm prestige is 6 ~ 40:10 ~ 50:1, preferred 6 ~ 25:10 ~ 20:1, most preferably 15:20:1; Said indenes worm prestige can be 30% indenes worm prestige missible oil, and said fulvic acid is the pale brown toner of the fulvic acid of 80% content end, and said phoxim can be 40% phoxim emulsifiable concentrate;
The processing of step 2, field wheat straw: perfusion is pressed into the field wheat straw in the liquid medicine simultaneously repeatedly soaks into.The formulation rate of every mu of wheat stubble corn field is generally 500～1500mL.
Because the Yellow River and Huai He River Haiti district normally promptly begins to sow corn in summer behind the getting wheat,, be that generation and the harm of 2 committee noctuids provides large tracts of land favourable suitable environment because the harvested stalk of wheat directly is scattering into the field; The present invention is soaked into through the field wheat straw is pressed in the liquid medicine repeatedly, can prevent that 2 committee's exigua larvaes from upwards creeping along with wheat straw and hike up, and hides liquid medicine and floods and tag, and can obviously improve drug effect.
The invention has the beneficial effects as follows: this method control has quick-acting and high efficiency, and the control efficiency of 24h can reach more than 90%, and the preventive effect after 7 days is still more than 90%; This method dosage reduces, and expense reduces, and method is simple to operation; This method has also combined the prophylactico-therapeutic measures of artificial physics, has improved control efficiency, has realized efficient, the quick-acting purposes of preventing and treating.
Embodiment
In order to make those skilled in the art person understand the present invention better, and make above-mentioned purpose of the present invention, feature and advantage can be more obviously understandable, below in conjunction with specific embodiment the present invention done further detailed explanation,
Embodiment 1:
The test place: Gaocheng, Shijiazhuang county increases the village.
Kind: the summer corn experimental cultivar is Zheng Dan 958.
Test period: on July 5th, 2011.
Test plot soil is loam, middle fertility.
Test is handled: following 6 processing altogether:
A.40% phoxim emulsifiable concentrate 1000mL/ mu perfusion jams on wheat straw;
B.40% phoxim emulsifiable concentrate 1000 mL/ mu perfusions do not jam on wheat straw;
C.30% indenes worm prestige 80mL/ mu perfusion jams on wheat straw;
D.40% phoxim emulsifiable concentrate 500 mL+30% indenes worm prestige 40mL/ mu perfusion jams on wheat straw;
E. not medication is irrigated, and jams on the wheat straw contrast;
F. untreated control.
Each sub-district 100m
2, repeat 3 times.
Concrete grammar is with the above-mentioned agricultural chemicals of respectively handling; Convert water according to 1:1, be contained in the laughable big plastic bottle, soup is splashed in the irrigation water of irrigating the fields with woven hose; Mix and pour into Tanaka, with perfusion the field wheat straw is pressed into to soak in the liquid medicine or wear rubber overshoes with spade and jams on it is fully soaked.
Control time and method: before the perfusion, in the test region, the removing field is all pulled out in all dead killed strains of wilting, staying all is not killed healthy plant.Behind test region perfusion 24h, 72h and 168h, each sub-district plant is carried out general census respectively, write down killed strain number respectively, calculate killed strain rate and control efficiency.
Result and analysis
Visible by table 1; 24h after the perfusion, still cause harm seriously in untreated contrast field, and perfusion jams on wheat straw field preventive effect all more than 80%; The preventive effect that wheat straw processing E was irrigated, jammed in not medication has also reached 22.83%, explains that irrigating the activity that has influenced 2 committee's exigua larvaes in the short time causes harm; As time goes on, the killed strain of each experimental field increases gradually, but perfusion field growth rate is slower; See from the investigation result of 168h, single with indenes worm prestige or phoxim perfusion, and jam on the field piece of wheat straw; Preventive effect to 2 committee noctuids is respectively 77.84%, 71.24%; And the two mixing can significantly improve drug effect, and its preventive effect can reach 88.94%; The preventive effect that does not only jam on wheat straw with the phoxim perfusion has only 51.75%, significantly is lower than the preventive effect that jams on behind the wheat straw; And not medication is irrigated, is jammed on wheat straw and handles the killed situation of the 168h of E and untreated control and do not have evident difference.Therefore, suggestion adopts phoxim and indenes worm prestige to be mixed, and uses with the mode that perfusion jams on wheat straw.
The different medicaments in table 1 field are to the control efficiency of 2 committee noctuids
(2011, the Gaocheng, Hebei)
Annotate: data are the mean value of 3 repetitions in the table
Embodiment 2
Test place: Gaocheng, Shijiazhuang Xian Bei Meng Cun.
Kind: the summer corn experimental cultivar is Zheng Dan 958.
Test period: on July 7th, 2011.
Test plot soil is medium loam, and fertility is better-than-average.
Test is handled: following 9 processing altogether:
A. mu is with 40% phoxim emulsifiable concentrate 1000mL perfusion;
B. mu is with 40% phoxim emulsifiable concentrate 270mL+30% indenes worm prestige missible oil 60 mL perfusions (the about 6:1 of active ingredient weight ratio);
C. mu is with 40% phoxim emulsifiable concentrate, 360 mL+30% indenes worm prestige missible oil 48mL perfusion (the about 10:1 of active ingredient weight ratio);
D. mu is with 40% phoxim emulsifiable concentrate 450mL+30% indenes worm prestige missible oil 40mL perfusion (the about 15:1 of active ingredient weight ratio);
E. mu is with 40% phoxim emulsifiable concentrate 600mL+30% indenes worm prestige missible oil 32mL perfusion (the about 25:1 of active ingredient weight ratio);
F. mu is with 40% phoxim emulsifiable concentrate 660mL+30% indenes worm prestige missible oil 22mL perfusion (the about 40:1 of active ingredient weight ratio);
G. mu is with 40% phoxim emulsifiable concentrate 720mL+30% indenes worm prestige missible oil 16mL perfusion (the about 60:1 of active ingredient weight ratio);
H. mu is with 30% indenes worm prestige missible oil 80mL perfusion
I. contrast is irrigated in not medication.
Each is handled and all jams in the wheat straw immersion water every processing 100m
2, repeat 3 times.Perfusion mode, field wheat straw processing mode and investigation method are with embodiment 1.
Result and analysis
Can find out that by table 1 phoxim and being mixed of indenes worm prestige different proportion are used for perfusion, and the gained control efficiency has evident difference.Wherein (the active ingredient weight ratio is between 6 ~ 40:1) time at 270:60 ~ 660:22 for 40% phoxim emulsifiable concentrate and 30% indenes worm prestige missible oil amount ratio; The control efficiency that is mixed all is higher than the control efficiency that each medicament uses separately; Both amount ratios effect when 450:40 (the active ingredient weight ratio is 15:1) is best, and the preventive effect of 168h is up to 88.87%.
The perfusion of table 2 field is to the control efficiency (168h) of 2 committee noctuids
(2011, the Gaocheng, Hebei)
Annotate: data are the mean value of 3 repetitions in the table
Embodiment 3
Test place: Gaocheng, Shijiazhuang Xian Bei Meng Cun.
Kind: the summer corn experimental cultivar is Zheng Dan 958.
Test period: on July 8th, 2011.
Test plot soil is medium loam, and fertility is better-than-average.
Test is handled: following 7 processing altogether:
A. mu is with 40% phoxim emulsifiable concentrate 450mL+30% indenes worm prestige missible oil 40mL perfusion (the about 15:1 of active ingredient weight ratio);
B. mu is with 40% phoxim emulsifiable concentrate 450mL+30% indenes worm prestige missible oil 40mL+80% fulvic acid 150g perfusion (the about 15:1:10 of active ingredient weight ratio);
C. mu is with 40% phoxim emulsifiable concentrate 450mL+30% indenes worm prestige missible oil 40mL+80% fulvic acid 225g perfusion (the about 15:1:15 of active ingredient weight ratio);
D. mu is with 40% phoxim emulsifiable concentrate 450mL+30% indenes worm prestige missible oil 40mL+80% fulvic acid 300g perfusion (the about 15:1:20 of active ingredient weight ratio);
E. mu is with 40% phoxim emulsifiable concentrate 450mL+30% indenes worm prestige missible oil 40mL+80% fulvic acid 450g perfusion (the about 15:1:30 of active ingredient weight ratio);
F. mu is with 40% phoxim emulsifiable concentrate 450mL+30% indenes worm prestige missible oil 40mL+80% fulvic acid 750g perfusion (the about 15:1:50 of active ingredient weight ratio);
G. contrast is irrigated in not medication.
Each is handled and all jams in the wheat straw immersion water every processing 100m
2, repeat 3 times.Perfusion mode, field wheat straw processing mode and investigation method are with embodiment 1.
Result and analysis
Can find out by table 3, be mixed when being used for perfusion, add a certain amount of fulvic acid, can improve control efficiency significantly in phoxim and indenes worm prestige.When wherein 40% phoxim emulsifiable concentrate, 30% indenes worm prestige missible oil and 80% fulvic acid amount ratio are between 450:40:150 ~ 300 (the active ingredient weight ratio is 15:1:10 ~ 20); Field control effect raises with the increase of fulvic acid consumption; When three's amount ratio is 450:40:300 (the active ingredient weight ratio is 15:1:20); Control efficiency is best, is 95.18%; When the fulvic acid consumption was higher than 300g, control efficiency did not have remarkable rising.
Table 3 adds humic acid and carries out the control efficiency of field perfusion to 2 committee noctuids
(2011, the Gaocheng, Hebei)
The foregoing description is the result show, 2 committee noctuids when seriously taking place, can adopt the mode of the field perfusion prevention and control of meeting an urgent need that are mixed of phoxim, indenes worm prestige and fulvic acid; Particularly the field wheat straw is pressed into this key technology in the irrigation water, can improves preventive effect, and reduce dosage; Be easy, an easy row, measure efficiently; The control efficiency of its 24h is up to more than 90%, and sustainable 7 days of preventive effect is worth emergent applying very much.
The emergent high-efficiency prevention and control method of a kind of 2 committee noctuids of the present invention is described through concrete embodiment.Those skilled in the art can use for reference links such as content appropriate change content of the present invention, method, environment and realize corresponding other purpose; Its relevant change does not all break away from content of the present invention; All similar replacements and change will become apparent to those skilled in the art that all to be regarded as and are included within the scope of the present invention.
Claims (7)
- One kind 2 the committee noctuids efficient emergence control methods, this method comprises the steps:Step 1, chemical control: adopt phoxim and indenes worm prestige to be mixed and be used for the field perfusion, wherein the weight ratio of phoxim and indenes worm prestige is 6 ~ 40:1;The processing of step 2, field wheat straw: perfusion is pressed into the field wheat straw in the liquid medicine simultaneously repeatedly soaks into.
- 2. according to the method for claim 1, it is characterized in that: the weight ratio of phoxim and indenes worm prestige is 6 ~ 25:1.
- 3. according to the method for claim 1, it is characterized in that: the weight ratio of phoxim and indenes worm prestige is 15:1.
- One kind 2 the committee noctuids efficient emergence control methods, this method comprises the steps:Step 1, chemical control: adopt phoxim, fulvic acid and indenes worm prestige to be mixed and be used for the field perfusion, wherein the weight ratio of phoxim, fulvic acid and indenes worm prestige is 6 ~ 40:10 ~ 50:1;The processing of step 2, field wheat straw: perfusion is pressed into the field wheat straw in the liquid medicine simultaneously repeatedly soaks into.
- 5. according to the method for claim 4, it is characterized in that: the weight ratio of phoxim, fulvic acid and indenes worm prestige is 6 ~ 25:10 ~ 20:1.
- 6. according to the method for claim 4, it is characterized in that: the weight ratio of phoxim, fulvic acid and indenes worm prestige is 15:20:1.
- 7. according to the arbitrary described method of claim 1-7, wherein indenes worm prestige is 30% indenes worm prestige missible oil, and phoxim is 40% phoxim emulsifiable concentrate, and fulvic acid is the pale brown toner of the fulvic acid of 80% content end.
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| CN103875401A (en) * | 2014-03-18 | 2014-06-25 | 河北省农林科学院谷子研究所 | Method for preventing Athetis lepigone by mechanically removing straw on corn seeding lines |
| CN105409655A (en) * | 2015-11-20 | 2016-03-23 | 陆金恒 | Method for preventing and controlling sugarcane beetles |
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|---|---|---|---|---|
| CN103210954A (en) * | 2013-04-15 | 2013-07-24 | 北京明德立达农业科技有限公司 | Insecticide composition, insecticide and application of insecticide |
| CN103875401A (en) * | 2014-03-18 | 2014-06-25 | 河北省农林科学院谷子研究所 | Method for preventing Athetis lepigone by mechanically removing straw on corn seeding lines |
| CN105409655A (en) * | 2015-11-20 | 2016-03-23 | 陆金恒 | Method for preventing and controlling sugarcane beetles |
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Application publication date: 20120822 |