CN105104029A - Method of efficiently preventing and treating injurious insects and harmful mites of leaf vegetables by natural enemies - Google Patents
Method of efficiently preventing and treating injurious insects and harmful mites of leaf vegetables by natural enemies Download PDFInfo
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- CN105104029A CN105104029A CN201510482018.4A CN201510482018A CN105104029A CN 105104029 A CN105104029 A CN 105104029A CN 201510482018 A CN201510482018 A CN 201510482018A CN 105104029 A CN105104029 A CN 105104029A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
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Abstract
The invention relates to a method of efficiently preventing and treating injurious insects and harmful mites of leaf vegetables by natural enemies, and is characterized by being a method of preventing and treating the injurious insects and the harmful mites of the leaf vegetables by the natural enemies of the injurious insects and the harmful mites. The method comprises the following steps: investigation of the injurious insects and the harmful mites, preparation before release of the natural enemies, release of the natural enemies, investigation of a natural enemy release effect, and continuous release of the natural enemies according to the release effect, the temperature, the humidity and the planting requirement, wherein the steps are repeated until no natural enemy is released. By use of the method of preventing and treating the injurious insects and the harmful mites of the leaf vegetables, efficient utilization of the natural enemies can be realized; compared with other methods, the method disclosed by the invention has the advantage that the preventing effect can be enhanced by over 50 percent or even 100 percent; if the method is not used, the preventing effect is probably zero.
Description
Technical field
The present invention relates to a kind of method utilizing natural enemy high-efficiency prevention and control leaf vegetables insect, evil mite, belong to modern agriculture biological control of insect pests field.
Background technology
Leaf vegetables insect, evil mite kind are a lot, comprise aphid, thrips, tetranychid, yellow tea mite etc., the natural enemy kind of these insects, evil mite comprises natural enemy Predatory Mites, predatism thrips, predatory bug, ladybug, Chrysopa, rove beetle, pathogenic nematode, disease fungus and parasitic wasp etc.
Because the method for existing control leaf vegetables insect, evil mite is also only confined to chemical pesticide control, to utilize natural enemy high-efficiency prevention and control leaf vegetables insect, evil mite method not yet report, therefore this method provide a kind of utilize natural enemy high-efficiency prevention and control leaf vegetables insect, evil mite method.
Summary of the invention
This method utilizes natural enemy high-efficiency prevention and control leaf vegetables insect, the method of evil mite, it is characterized in that the method utilizing natural enemy to prevent or prevent and treat leaf vegetables insect or evil mite, described natural enemy refers to natural enemy Predatory Mites, predatism thrips, predatory bug, ladybug, Chrysopa, rove beetle, pathogenic nematode, disease fungus and parasitic wasp, various natural enemy can be used alone or in combination, described prevention and controls comprises insect, the investigation of evil mite, prepare before natural enemy release, the release of natural enemy, natural enemy release effect research, again according to releasing effect, temp. and humidity, plantation needs to continue release natural enemy, circulation like this, until no longer discharge natural enemy, all will understanding insect before each release natural enemy, a situation arises for evil mite, before carrying out natural enemy release, preparation basis discharges.
Described insect, evil mite investigation refer to natural enemy release before need insect, a situation arises understands for evil mite, investigation, by consulting, observe and obtain relevant information, if there is insect, evil mite then wants clear and definite insect, a situation arises for evil mite, occur in spot film, or generally have, or the rare place of the many some places of some places does not have, to being subject to insect, evil mite hazard area periphery also will be investigated, understand fully insect, evil mite range of scatter, hazard area, the extent of injury, if informed by consulting or others and tentatively understand leaf vegetables insect, a situation arises for evil mite, then can continue investigation further or prepare link before directly entering natural enemy release, carry out insect, while the investigation of evil mite, also need to understand in leaf vegetables ground and there is natural enemy, a situation arises for disease.
After preparing to refer to that a situation arises understanding insect, evil mite before described natural enemy release, if release natural enemy, then in order to realize the efficiency utilization of natural enemy, at least need to accomplish following 3 points before release natural enemy:
(1) residue of pesticide used agricultural chemicals can not cause the injury of more than 50% to natural enemy before guaranteeing release natural enemy, if higher than 50%, needed delayed release, until can not cause the lethality of more than 50% to natural enemy, discharge when being safe from harm even completely again.
(2) if do not use any insecticide, bactericide, repellant, mineral oil or foliage fertilizer in 1 week, not acceptant loss can be caused, then must use before release natural enemy, guarantee not re-use any above-mentioned substance within release enemy's rear area, sky at least 1 week.
(3) must carry out and split leaf work, described in split Ye Budan and refer to and split Lao Ye, according to insect, a situation arises and acceptance level for evil mite, also comprises and split with insect, the young leaves of evil mite, within accepting scope, if can split, all will split leaf in whole natural enemy release region, also first locally can split leaf, endanger serious region and then must split leaf, even can will be subject to insect, evil mite endangers the whole strain of serious plant and pulls out, and guarantees that the leaf vegetables at least no longer having discharged natural enemy region to more than 50% in 1 week in release enemy's rear area, sky splits leaf, preferably all no longer leaf is split to the release areas of 100%, split the blade that Ye Shixu will split, petiole, or the seedling pulled out puts into bag, bucket or other can to take up and can not by blade, petiole or seedling are trickled down in the container in leaf vegetables ground, then take leaf vegetables ground or the place taken to away from leaf vegetables plant out of, forbid with insect, the blade of evil mite and disease, petiole or seedling are lost in leaf vegetables ground or near the place of leaf vegetables plant, directly can discharge natural enemy after having split leaf, also first can reduce insect pest with other prophylactico-therapeutic measures, natural enemy is discharged again after mite evil or disease.
The release of described natural enemy refers to after carrying out natural enemy release preparation, in order to realize the efficiency utilization of natural enemy, at least needs to accomplish following 6 points when discharging natural enemy:
(1) discharge after must first the natural enemy in bottled, canned, packed or barreled being mixed with package media, can by bullet or the mode of striking or clapping in order to ensure this point, by packing container, packaging bag inwall or the natural enemy bullet covered or strike or photographed in package media, again package media is broadcasted sowing in leaf vegetables ground after mixing;
(2) insect when discharging natural enemy, the place that evil mite content is many must be put more, insect, evil mite amount is few or do not have some places to put less or not put, and avoid people to touch with insect, the leaf vegetables blade doing harm to mite or plant as far as possible, and avoid in natural enemy dispenser to the ponding in leaf vegetables ground or in aisle;
(3) during preventative release natural enemy, often row or every furrow leaf vegetables all will be discharged into natural enemy, can put by selected element, and namely often row or every furrow at least discharge 1 point, also the natural enemy being applicable to broadcasting sowing evenly can be spread fertilizer over the fields as far as possible the region in needs release, every 400m
2leaf vegetables cultivated area, natural enemy release amount is not less than 1000, preferably more than 2500, and the usage amount with the natural enemy package media of package media is not less than 100ml, is preferably not less than 300ml;
(4) release natural enemy when insect, evil mite slightly endanger, much more as much as possible natural enemy must be spread or renders to the region of insect, evil mite, and throw in, other region can be done preventative release or do not discharged, every 400m
2leaf vegetables cultivated area, natural enemy release amount is not less than 250, preferably more than 5000, and the total burst size with the natural enemy package media of package media is not less than 150ml, is preferably not less than 500ml;
(5) release natural enemy when insect, evil mite serious harm, then first must split leaf to the leaf vegetables of harm critical regions, even pull up seedlings, endanger the every 100m in serious region
2release natural enemy amount is not less than 2500, preferably more than 5000, and the natural enemy package media consumption with package media is not less than 100ml, preferred more than 200ml, and delivery mode when slightly endangering or preventative release can be selected in other region;
(6) when discharging natural enemy, if discharge natural enemy again after needing first to open packaging cover, then the lid with natural enemy to be placed on leaf vegetables plant or blade or side to make full use of the natural enemy covered, also can first the part or all of natural enemy on lid inwall be discharged in leaf vegetables ground by bullet or the mode of striking or clapping or on plant or blade after, then the lid also with natural enemy is leaned against on leaf vegetables plant or blade or side; If do not need first to open lid to discharge again, then releasing a day enemy's rear area, preferably first the lid on Packaging Bottle, tank or bucket is separated with package body, then by be placed on leaf vegetables plant or blade with the lid of natural enemy, package body or side to make full use of natural enemy above, also can natural enemy on lid or package body inwall be discharged in leaf vegetables ground by bullet or the mode of striking or clapping or on plant or blade after, then will lean against on leaf vegetables plant or blade or side with the lid of natural enemy, package body; Packaging bag, packing box are then placed directly on leaf vegetables plant or blade or side by packed, blade dress natural enemy after releasing, or by the residual natural enemy bullet on packaging bag, packing box strike or photographed in leaf vegetables ground or on plant or blade after, then packaging bag, box are leaned against on leaf vegetables plant or blade or side.
Described natural enemy release effect research refers to that releasing day enemy's rear area must notice observation releasing effect, within every 15 days, at least observe once, preferably at least investigate 1 time weekly, can observe in passing when carrying out farming operation, also can periodic investigation, investigation content comprises insect, a situation arises for evil mite, natural enemy quantity and surely grow situation, control efficiency, especially by insect, evil mite hazard area, if find plant part insect, evil mite is many, natural enemy amount is little or do not have, and must mend to put natural enemy or use reduce insect to the miticide of natural enemy Low Damage in this region, evil mite population number, general natural enemy and insect, evil mite ratio lower than 1: 20 time then to consider to mend to put natural enemy or use insect is reduced to the miticide of natural enemy Low Damage, evil mite population number, if lower than 1: 100, then must mend in time as early as possible to put natural enemy or use and insect, evil mite population number are reduced to the miticide of natural enemy Low Damage, if subregion natural enemy amount is large, insect, evil mite amount are few and insect, evil mite can not produce harm, and other region insect, evil mite are more, then also can many for natural enemy amount and insect, evil mite amount is few, even there is no insect, the blade of evil mite transfers to insect, evil mite is many region.
Described temp. and humidity refers to that temp. and humidity is the key factor affecting natural enemy preventive effect, under equal insect, evil mite amount condition, the amount discharging natural enemy when temperature reaches more than 20 DEG C must be more than what discharge during low temperature, for the leaf vegetables in booth, will consider aeration-cooling when temperature of shed reaches more than 20 DEG C, just must be aeration-cooling when temperature reaches more than 30 DEG C, and increase irrigation amount that can be suitable or spray in aisle some water with cooling and increase humidity.
The innovative point of this method is to propose first the method utilizing natural enemy to achieve high-efficiency prevention and control leaf vegetables insect, evil mite, concrete operations are by splitting leaf and medication, discharge natural enemy and be better combined, better technique effect can be reached, compare other method, this method can improve the preventive effect of more than 50%, even 100%, and does not use our rule preventive effect may be zero.
Embodiment
Embodiment 1 is first investigated, then splits leaf, then gos and buy Chinese medicine, and finally discharges natural enemy
No matter previously whether used agricultural chemicals, natural enemy or whether split leaf, and first investigation followed, split leaf again, then go and buy Chinese medicine, finally discharge the pattern of natural enemy.
Need insect before investigation refers to natural enemy release, a situation arises understands for evil mite, investigation, by consulting, observe and obtain relevant information, if there is insect, evil mite then wants clear and definite insect, a situation arises for evil mite, occur in spot film, or generally have, or the rare place of the many some places of some places does not have, to being subject to insect, evil mite hazard area periphery also will be investigated, understand fully insect, evil mite range of scatter, hazard area, the extent of injury, if informed by consulting or others and tentatively understand leaf vegetables insect, a situation arises for evil mite, then can continue investigation further or prepare link before directly entering natural enemy release, carry out insect, while the investigation of evil mite, also need to understand existing natural enemy in leaf vegetables ground, the situation of disease.
Splitting leaf refers within accepting scope, if can split, all leaf will be split in whole natural enemy release region, also first locally leaf can be split, endanger serious region and then must split leaf, even can will be subject to insect, the whole strain of plant of evil mite harm is pulled out, guarantee that the leaf vegetables at least no longer having discharged natural enemy region to more than 50% in 1 week in release enemy's rear area, sky splits leaf, preferably all no longer leaf is split to the release areas of 100%, split the blade that Ye Shixu will split, petiole, or the seedling pulled out puts into bag, bucket or other can to take up and can not by blade, petiole or seedling are trickled down in the container in leaf vegetables ground, then the place taken leaf vegetables ground out of or take to away from leaf vegetables plant, forbidding will with insect, evil mite, the blade of disease, petiole or seedling are lost in leaf vegetables ground or near the place of leaf vegetables plant
Other prophylactico-therapeutic measuress such as chemical pesticide, mineral oil, repellant (tobacco leaf water, mustard liquid etc.) can be first used to reduce insect pest, mite evil or disease after laxative refers to and split leaf
Release natural enemy refers to:
During preventative release natural enemy, often row or every furrow leaf vegetables all will be discharged into natural enemy, can put by selected element, and namely often row or every furrow at least discharge 1 point, also the natural enemy being applicable to broadcasting sowing evenly can be spread fertilizer over the fields as far as possible the region in needs release, every 400m
2leaf vegetables cultivated area, natural enemy release amount is not less than 1000, preferably more than 2500, and the usage amount with the natural enemy package media of package media is not less than 100ml, is preferably not less than 300ml;
Release natural enemy when insect, evil mite slightly endanger, much more as much as possible natural enemy must be spread or renders to the region of insect, evil mite, and throw in, other region can be done preventative release or do not discharged, every 400m
2leaf vegetables cultivated area, natural enemy release amount is not less than 250, preferably more than 5000, and the total burst size with the natural enemy package media of package media is not less than 150ml, is preferably not less than 500ml;
Release natural enemy when insect, evil mite serious harm, then first must split leaf to the leaf vegetables of harm critical regions, even pull up seedlings, endanger the every 100m in serious region
2release natural enemy amount is not less than 2500, preferably more than 5000, and the natural enemy package media consumption with package media is not less than 100ml, preferred more than 200ml, and delivery mode when slightly endangering or preventative release can be selected in other region;
Release natural enemy time should note: with package media natural enemy need first natural enemy is mixed with package media after discharge again, during release natural enemy, if discharge natural enemy again after needing first to open packaging cover, then the lid with natural enemy to be placed on leaf vegetables plant or blade or side to make full use of the natural enemy covered, also can first the part or all of natural enemy on lid inwall be discharged in leaf vegetables ground by bullet or the mode of striking or clapping or on plant or blade after, then the lid also with natural enemy is leaned against on leaf vegetables plant or blade or side; If do not need first to open lid to discharge again, then releasing a day enemy's rear area, preferably first the lid on Packaging Bottle, tank or bucket is separated with package body, then by be placed on leaf vegetables plant or blade with the lid of natural enemy, package body or side to make full use of natural enemy above, also can natural enemy on lid or package body inwall be discharged in leaf vegetables ground by bullet or the mode of striking or clapping or on plant or blade after, then will lean against on leaf vegetables plant or blade or side with the lid of natural enemy, package body; Packaging bag, packing box are then placed directly on leaf vegetables plant or blade or side by packed, blade dress natural enemy after releasing, or by the residual natural enemy bullet on packaging bag, packing box strike or photographed in leaf vegetables ground or on plant or blade after, then packaging bag, box are leaned against on leaf vegetables plant or blade or side.
Embodiment 2 is first investigated, then splits leaf, then discharges natural enemy
Use according to insect, evil mite situation after the medicines such as insecticide, miticide or bactericide, then select to split leaf, finally discharge natural enemy again.
Embodiment 3 is first investigated, then discharges natural enemy
When not needing to split leaf or laxative, complete insect to be investigated, evil mite after a situation arises, can discharge natural enemy.
Claims (6)
1. utilize natural enemy high-efficiency prevention and control leaf vegetables insect, the method of evil mite, it is characterized in that the method utilizing natural enemy to prevent or prevent and treat leaf vegetables insect or evil mite, described natural enemy refers to natural enemy Predatory Mites, predatism thrips, predatory bug, ladybug, Chrysopa, rove beetle, pathogenic nematode, disease fungus and parasitic wasp, various natural enemy can be used alone or in combination, described prevention and controls comprises insect, the investigation of evil mite, prepare before natural enemy release, the release of natural enemy, natural enemy release effect research, again according to releasing effect, temp. and humidity, plantation needs to continue release natural enemy, circulation like this, until no longer discharge natural enemy, all will understanding insect before each release natural enemy, a situation arises for evil mite, before carrying out natural enemy release, preparation basis discharges.
2. utilize natural enemy high-efficiency prevention and control leaf vegetables insect according to claim 1, the method of evil mite, it is characterized in that described insect, evil mite investigation refer to natural enemy release before need insect, a situation arises understands for evil mite, investigation, by consulting, observe and obtain relevant information, if there is insect, evil mite then wants clear and definite insect, a situation arises for evil mite, occur in spot film, or generally have, or the rare place of the many some places of some places does not have, to being subject to insect, evil mite hazard area periphery also will be investigated, understand fully insect, evil mite range of scatter, hazard area, the extent of injury, if informed by consulting or others and tentatively understand leaf vegetables insect, a situation arises for evil mite, then can continue investigation further or prepare link before directly entering natural enemy release, carry out insect, while the investigation of evil mite, also need to understand in leaf vegetables ground and there is natural enemy, a situation arises for disease.
3. utilize the method for natural enemy high-efficiency prevention and control leaf vegetables insect, evil mite according to claim 1, after preparing to refer to that a situation arises understanding insect, evil mite before it is characterized in that described natural enemy release, if release natural enemy, then in order to realize the efficiency utilization of natural enemy, at least need to accomplish following 3 points before release natural enemy:
(1) residue of pesticide used agricultural chemicals can not cause the injury of more than 50% to natural enemy before guaranteeing release natural enemy, if higher than 50%, needed delayed release, until can not cause the lethality of more than 50% to natural enemy, discharge when being safe from harm even completely again.
(2) if do not use any insecticide, bactericide, repellant, mineral oil or foliage fertilizer in 1 week, not acceptant loss can be caused, then must use before release natural enemy, guarantee not re-use any above-mentioned substance within release enemy's rear area, sky at least 1 week.
(3) must carry out and split leaf work, described in split Ye Budan and refer to and split Lao Ye, according to insect, a situation arises and acceptance level for evil mite, also comprises and split with insect, the young leaves of evil mite, within accepting scope, if can split, all will split leaf in whole natural enemy release region, also first locally can split leaf, endanger serious region and then must split leaf, even can will be subject to insect, evil mite endangers the whole strain of serious plant and pulls out, and guarantees that the leaf vegetables at least no longer having discharged natural enemy region to more than 50% in 1 week in release enemy's rear area, sky splits leaf, preferably all no longer leaf is split to the release areas of 100%, split the blade that Ye Shixu will split, petiole, or the seedling pulled out puts into bag, bucket or other can to take up and can not by blade, petiole or seedling are trickled down in the container in leaf vegetables ground, then take leaf vegetables ground or the place taken to away from leaf vegetables plant out of, forbid with insect, the blade of evil mite and disease, petiole or seedling are lost in leaf vegetables ground or near the place of leaf vegetables plant, directly can discharge natural enemy after having split leaf, also first can reduce insect pest with other prophylactico-therapeutic measures, natural enemy is discharged again after mite evil or disease.
4. utilize the method for natural enemy high-efficiency prevention and control leaf vegetables insect, evil mite according to claim 1, it is characterized in that the release of described natural enemy refers to after carrying out natural enemy release preparation, in order to realize the efficiency utilization of natural enemy, at least need to accomplish following 6 points when discharging natural enemy:
(1) discharge after must first the natural enemy in bottled, canned, packed or barreled being mixed with package media, can by bullet or the mode of striking or clapping in order to ensure this point, by packing container, packaging bag inwall or the natural enemy bullet covered or strike or photographed in package media, again package media is broadcasted sowing in leaf vegetables ground after mixing;
(2) insect when discharging natural enemy, the place that evil mite content is many must be put more, insect, evil mite amount is few or do not have some places to put less or not put, and avoid people to touch with insect, the leaf vegetables blade doing harm to mite or plant as far as possible, and avoid in natural enemy dispenser to the ponding in leaf vegetables ground or in aisle;
(3) during preventative release natural enemy, often row or every furrow leaf vegetables all will be discharged into natural enemy, can put by selected element, and namely often row or every furrow at least discharge 1 point, also the natural enemy being applicable to broadcasting sowing evenly can be spread fertilizer over the fields as far as possible the region in needs release, every 400m
2leaf vegetables cultivated area, natural enemy release amount is not less than 1000, preferably more than 2500, and the usage amount with the natural enemy package media of package media is not less than 100ml, is preferably not less than 300ml;
(4) release natural enemy when insect, evil mite slightly endanger, much more as much as possible natural enemy must be spread or renders to the region of insect, evil mite, and throw in, other region can be done preventative release or do not discharged, every 400m
2leaf vegetables cultivated area, natural enemy release amount is not less than 250, preferably more than 5000, and the total burst size with the natural enemy package media of package media is not less than 150ml, is preferably not less than 500ml;
(5) release natural enemy when insect, evil mite serious harm, then first must split leaf to the leaf vegetables of harm critical regions, even pull up seedlings, endanger the every 100m in serious region
2release natural enemy amount is not less than 2500, preferably more than 5000, and the natural enemy package media consumption with package media is not less than 100ml, preferred more than 200ml, and delivery mode when slightly endangering or preventative release can be selected in other region;
(6) when discharging natural enemy, if discharge natural enemy again after needing first to open packaging cover, then the lid with natural enemy to be placed on leaf vegetables plant or blade or side to make full use of the natural enemy covered, also can first the part or all of natural enemy on lid inwall be discharged in leaf vegetables ground by bullet or the mode of striking or clapping or on plant or blade after, then the lid also with natural enemy is leaned against on leaf vegetables plant or blade or side; If do not need first to open lid to discharge again, then releasing a day enemy's rear area, preferably first the lid on Packaging Bottle, tank or bucket is separated with package body, then by be placed on leaf vegetables plant or blade with the lid of natural enemy, package body or side to make full use of natural enemy above, also can natural enemy on lid or package body inwall be discharged in leaf vegetables ground by bullet or the mode of striking or clapping or on plant or blade after, then will lean against on leaf vegetables plant or blade or side with the lid of natural enemy, package body; Packaging bag, packing box are then placed directly on leaf vegetables plant or blade or side by packed, blade dress natural enemy after releasing, or by the residual natural enemy bullet on packaging bag, packing box strike or photographed in leaf vegetables ground or on plant or blade after, then packaging bag, box are leaned against on leaf vegetables plant or blade or side.
5. utilize natural enemy high-efficiency prevention and control leaf vegetables insect according to claim 1, the method of evil mite, it is characterized in that described natural enemy release effect research refers to that releasing day enemy's rear area must notice observation releasing effect, within every 15 days, at least observe once, preferably at least investigate 1 time weekly, can observe in passing when carrying out farming operation, also can periodic investigation, investigation content comprises insect, a situation arises for evil mite, natural enemy quantity and surely grow situation, control efficiency, especially by insect, evil mite hazard area, if find plant part insect, evil mite is many, natural enemy amount is little or do not have, and must mend to put natural enemy or use reduce insect to the miticide of natural enemy Low Damage in this region, evil mite population number, general natural enemy and insect, evil mite ratio lower than 1: 20 time then to consider to mend to put natural enemy or use insect is reduced to the miticide of natural enemy Low Damage, evil mite population number, if lower than 1: 100, then must mend in time as early as possible to put natural enemy or use and insect, evil mite population number are reduced to the miticide of natural enemy Low Damage, if subregion natural enemy amount is large, insect, evil mite amount are few and insect, evil mite can not produce harm, and other region insect, evil mite are more, then also can many for natural enemy amount and insect, evil mite amount is few, even there is no insect, the blade of evil mite transfers to insect, evil mite is many region.
6. utilize the method for natural enemy high-efficiency prevention and control leaf vegetables insect, evil mite according to claim 1, it is characterized in that described temp. and humidity refers to that temp. and humidity is the key factor affecting natural enemy preventive effect, under equal insect, evil mite amount condition, the amount discharging natural enemy when temperature reaches more than 20 DEG C must be more than what discharge during low temperature, for the leaf vegetables in booth, will consider aeration-cooling when temperature of shed reaches more than 20 DEG C, just must be aeration-cooling when temperature reaches more than 30 DEG C, and increase irrigation amount that can be suitable or spray in aisle some water with cooling and increase humidity.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105145201A (en) * | 2015-08-18 | 2015-12-16 | 中国农业科学院植物保护研究所 | Method preventing horticultural plant insects and harmful mites via natural enemies with high efficiency |
| CN106114863A (en) * | 2016-06-26 | 2016-11-16 | 福建艳璇生物防治技术有限公司 | Utilize unmanned plane release Predatory Mites preventing and treating evil demodicid mite, the method for insect and application |
| CN109757265A (en) * | 2019-03-12 | 2019-05-17 | 汶川德新果缘农业有限公司 | The pest control method in natural enemy insect mixing field |
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