CN105104028A - Method of efficiently preventing and treating tetranychidae of leaf vegetables by predatory mites - Google Patents
Method of efficiently preventing and treating tetranychidae of leaf vegetables by predatory mites Download PDFInfo
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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 tetranychidae of leaf vegetables by predatory mites. The method is characterized by being a method of preventing or treating the tetranychidae of the leaf vegetables by the predatory mites of the phytoseiidae. The method comprises the following steps: investigation of the tetranychidae, preparation before release of the predatory mites, release of the predatory mites, investigation of a predatory mite release effect, and continuous release of the predatory mites according to the release effect, the temperature, the humidity and the planting requirement, wherein the steps are repeated until no predatory mite is released. By use of the method of preventing and treating the tetranychidae of the leaf vegetables by the predatory mites, efficient utilization of the predatory mites 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 Predatory Mites high-efficiency prevention and control leaf vegetables tetranychid, belong to modern agriculture biological control of insect pests field.
Background technology
Leaf vegetables tetranychid is the insect of the most difficult control in leaf vegetables planting process, this is because leaf vegetables Insecticide Resistance of Spider Mites is strong, gos and buy Chinese medicine and more is not easy control.
Predatory Mites is the Important Natural Enemy in biological control of insect pests, kind has Phyloseiulus nersimilis, Amblyseius barkeri, the new little peaceful mite in California, amblyseius cucumeris oudeman, Amblyseius persidolongispinosus, river, Tianjin genus amblyseius berlese, Amblyseius Orientalis Ehara etc., and these kinds all can be used for the control of leaf vegetables tetranychid.
Although some relevant test utilizing Predatory Mites to prevent and treat leaf vegetables two spotted spider mite in available data, correlation technique not only describes comparatively simple, and does not have a set ofly " efficiently " of architectonical to utilize the method for Predatory Mites control leaf vegetables tetranychid.
Summary of the invention
This method is a kind of method utilizing Predatory Mites high-efficiency prevention and control leaf vegetables tetranychid, utilize this method can significantly improve the effect of Predatory Mites control leaf vegetables tetranychid, 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.
Utilize the method for Predatory Mites high-efficiency prevention and control leaf vegetables tetranychid, it is characterized in that the method utilizing the Predatory Mites prevention in Phytoseiidae or prevent and treat leaf vegetables tetranychid, preparation before comprising the investigation of tetranychid, Predatory Mites release, the release of Predatory Mites, Predatory Mites releasing effect are investigated, need to continue release Predatory Mites according to releasing effect, temp. and humidity, plantation again, circulation like this, until no longer discharge Predatory Mites, before each release Predatory Mites all will understanding tetranychid a situation arises, carry out Predatory Mites release before preparation basis discharges.
Concrete operation step is:
1. the investigation of leaf vegetables tetranychid described in needs before referring to Predatory Mites release to tetranychid that a situation arises understands, investigate, by consulting, observe acquisition relevant information, object understands fully the leaf vegetables plant or blade that have not presented tetranychid hazard symptoms, if not, and every 200m
2at least random searching 1 point, at least investigates 1 leaf at often, and a situation arises to understand tetranychid; If had, a situation arises clear and definite tetranychid, occur in spot film, or generally have, or the rare place of the many some places of some places does not have, also to investigate by tetranychid hazard area periphery, understand fully tetranychid range of scatter, hazard area, the extent of injury, and preferably carry out respective markers to distinguish mite evil region; If informed by consulting or others and tentatively understood leaf vegetables tetranychid a situation arises, then can continue investigation further or directly enter release Predatory Mites link; While carrying out tetranychid investigation, also to notice other leaf vegetables insect, disease a situation arises and previously discharged natural enemy determine the situation of growing.Because the generation of other insect, disease directly affects whether can discharge Predatory Mites after culturing directly Predatory Mites or laxative, and previously natural enemy determine the burst size that the situation of growing affects next step.
2., after preparing to refer to that a situation arises understanding tetranychid before Predatory Mites release described in, if release Predatory Mites, then in order to realize the efficiency utilization of Predatory Mites, at least need to accomplish following 3 points before release Predatory Mites:
(1) agricultural chemicals has been used can not to cause the injury of more than 50% to Predatory Mites before guaranteeing release Predatory Mites, residue of pesticide if higher than 50%, need delayed release, until can not cause the lethality of more than 50% to Predatory Mites, discharge when being safe from harm even completely again.
(2) if do not use any insecticide, bactericide, insects repellant, mineral oil or foliage fertilizer in 1 week, not acceptant loss can be caused, then must use before release Predatory Mites, can generally use in release Predatory Mites region or locally use these goods and materials before release, preferred local uses, and guarantees not re-use any above-mentioned substance or spray water at least 1 week after release Predatory Mites.
(3) must carry out and split leaf work, within accepting scope, if can split, all leaf will be split in whole Predatory Mites release areas, also first locally leaf can be split, endanger serious region and then must split leaf, even can pull out endangering by tetranychid the whole strain of serious plant, guarantee that the leaf vegetables at least no longer having discharged Predatory Mites region to more than 50% in 1 week after release Predatory Mites 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 leaf vegetables ground or the place away from leaf vegetables plant is taken out of, forbidding will with tetranychid and other insect, sick blade, petiole or seedling are lost in leaf vegetables ground or near the place of leaf vegetables plant, directly Predatory Mites can be discharged after having split leaf, also first insect pest can be reduced with other prophylactico-therapeutic measures, Predatory Mites is discharged again after mite evil or disease.
The described Ye Budan of splitting refers to and splits Lao Ye, and according to tetranychid, a situation arises and acceptance level, also comprises the young leaves split with tetranychid.
3. the release of Predatory Mites described in refers to after carrying out Predatory Mites release preparation, in order to realize the efficiency utilization of Predatory Mites, at least needs to accomplish following 6 points when discharging Predatory Mites:
(1) discharge after must first the Predatory Mites 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 Predatory Mites bullet covered or strike or photographed in package media, so that better mixing Predatory Mites and package media;
(2) place that during release, Predatory Mites tetranychid content is many must be put more, tetranychid amount is few or do not have some places to put less or not put, and avoid people to touch leaf vegetables blade with tetranychid or plant as far as possible, also to avoid Predatory Mites dispenser, in leaf vegetables ponding in the ranks, Predatory Mites also will being avoided to scatter in aisle as far as possible;
(3) during preventative release Predatory Mites, often row or every furrow leaf vegetables all will be discharged into Predatory Mites, can put by selected element, and namely often row or every furrow at least discharge 1 point or 1 bag Predatory Mites, also Predatory Mites evenly can be spread fertilizer over the fields as far as possible in the region needing release, every 400m
2leaf vegetables cultivated area, Predatory Mites burst size is not less than 1000, and preferably more than 2500, the usage amount of package media is not less than 100ml, is preferably not less than 300ml;
(4) discharge Predatory Mites when tetranychid slightly endangers, much more as much as possible Predatory Mites must be spread or render to the region of tetranychid, and spread, other region can be done preventative release or do not discharged, every 400m
2leaf vegetables cultivated area, Predatory Mites burst size is not less than 2500, preferably more than 5000, and total burst size of package media is not less than 150ml, is preferably not less than 500ml;
(5) discharge Predatory Mites during tetranychid serious harm, then first must split leaf to harm critical regions, even pull up seedlings, endanger the every 100m in serious region
2release Predatory Mites amount is not less than 2500, and preferably more than 6000, package media consumption is not less than 100ml, preferred more than 200ml, release or preventative release when other region can be selected slightly to endanger;
(6) when discharging Predatory Mites, if discharge Predatory Mites again after needing first to open packaging cover, then the lid with Predatory Mites to be placed on leaf vegetables plant or blade or side to make full use of the Predatory Mites covered, also can first the part or all of Predatory Mites 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 Predatory Mites is leaned against on leaf vegetables plant or blade or side; If do not need first to open lid to discharge again, then after releasing Predatory Mites, 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 Predatory Mites, package body or side to make full use of Predatory Mites above, also can Predatory Mites 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 Predatory Mites, package body; Packaging bag, packing box are then placed directly on leaf vegetables plant or blade or side by packed, blade dress Predatory Mites after releasing, or by the residual Predatory Mites 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.
4. Predatory Mites releasing effect investigation described in must notice observation releasing effect after referring to and releasing Predatory Mites, 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 tetranychid, and a situation arises, Predatory Mites quantity and surely grow situation, control efficiency, especially by tetranychid hazard area, if find that plant part tetranychid is many, Predatory Mites amount is little or do not have, and must mend to put Predatory Mites or use reduce tetranychid population number to the miticide of Predatory Mites Low Damage in this region, general Predatory Mites and tetranychid ratio lower than 1: 20 time then to consider to mend to put Predatory Mites or use tetranychid population number is reduced to the miticide of Predatory Mites Low Damage, if lower than 1: 100, then must mend in time as early as possible to put Predatory Mites or use and tetranychid population number is reduced to the miticide of Predatory Mites Low Damage, if subregion Predatory Mites amount is large, tetranychid amount is few and tetranychid can not produce harm, and other region tetranychid is more, then also can by many for Predatory Mites amount and tetranychid amount is few, blade that is that even do not have transfers to the many regions of tetranychid.
5. temp. and humidity described in refers to that temp. and humidity is the key factor affecting Predatory Mites preventive effect, under equal tetranychid amount condition, the amount discharging Predatory Mites 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 27 DEG C, and increase irrigation amount that can be suitable or spray some water to increase humidity in aisle.
The innovative point of this method is to utilize Predatory Mites to achieve the high-efficiency prevention and control of leaf vegetables tetranychid first, concrete operations are by splitting leaf and medication, discharge Predatory Mites 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 Predatory Mites
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 Predatory Mites.
Investigation needs to tetranychid before referring to Predatory Mites release that a situation arises understands, investigation, by consulting, observe and obtain relevant information, if there is tetranychid, a situation arises clear and definite tetranychid, occur in spot film, or generally have, or the rare place of the many some places of some places does not have, also to investigate by tetranychid hazard area periphery, understand fully tetranychid range of scatter, hazard area, the extent of injury, if informed by consulting or others and tentatively understood leaf vegetables tetranychid a situation arises, then can continue investigation further or prepare link before directly entering Predatory Mites release, while carrying out tetranychid investigation, also need to understand other leaf vegetables insect, natural enemy, the situation of disease.
Splitting leaf refers within accepting scope, if can split, all leaf will be split in whole Predatory Mites release areas, also first locally leaf can be split, endanger serious region and then must split leaf, even whole for the plant endangered by tetranychid strain can be pulled out, guarantee that the leaf vegetables at least no longer having discharged Predatory Mites region to more than 50% in 1 week after release Predatory Mites 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 tetranychid and other insect, sick blade, 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 Predatory Mites refers to:
During preventative release Predatory Mites, often row or every furrow leaf vegetables all will be discharged into Predatory Mites, can put by selected element, and namely often row or every furrow at least discharge 1 point, also Predatory Mites evenly can be spread fertilizer over the fields as far as possible in the region needing release, every 400m
2leaf vegetables cultivated area, Predatory Mites burst size is not less than 1000, and preferably more than 2500, the usage amount of package media is not less than 100ml, is preferably not less than 300ml;
Discharge Predatory Mites when tetranychid slightly endangers, much more as much as possible Predatory Mites must be spread or render to the region of tetranychid, and spread, other region can be done preventative release or do not discharged, every 400m
2leaf vegetables cultivated area, Predatory Mites burst size is not less than 2500, preferably more than 5000, and total burst size of package media is not less than 150ml, is preferably not less than 500ml;
Discharge Predatory Mites during tetranychid 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 Predatory Mites amount is not less than 2500, and preferably more than 5000, package media consumption is not less than 100ml, preferred more than 200ml, and delivery mode when slightly endangering or preventative release can be selected in other region;
Should note during release Predatory Mites: after first being mixed with package media by Predatory Mites, discharge Predatory Mites again, if discharge Predatory Mites again after needing first to open packaging cover, then the lid with Predatory Mites to be placed on leaf vegetables plant or blade or side to make full use of the Predatory Mites covered, also can first the part or all of Predatory Mites 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 Predatory Mites is leaned against on leaf vegetables plant or blade or side; If do not need first to open lid to discharge again, then after releasing Predatory Mites, 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 Predatory Mites, package body or side to make full use of Predatory Mites above, also can Predatory Mites 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 Predatory Mites, package body; Packaging bag, packing box are then placed directly on leaf vegetables plant or blade or side by packed, blade dress Predatory Mites after releasing, or by the residual Predatory Mites 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 Predatory Mites
Use according to tetranychid situation after the medicines such as insecticide, miticide or bactericide, then select to split leaf, finally discharge Predatory Mites again.
Embodiment 3 is first investigated, then discharges Predatory Mites
When not needing to split leaf or laxative, complete tetranychid to be investigated after a situation arises, can discharge Predatory Mites.
Claims (6)
1. utilize the method for Predatory Mites high-efficiency prevention and control leaf vegetables tetranychid, it is characterized in that utilizing Phytoseiidae Predatory Mites to prevent or preventing and treating the method for leaf vegetables tetranychid, preparation before comprising the investigation of tetranychid, Predatory Mites release, the release of Predatory Mites, Predatory Mites releasing effect are investigated, need to continue release Predatory Mites according to releasing effect, temp. and humidity, plantation again, circulation like this, until no longer discharge Predatory Mites, before each release Predatory Mites all will understanding tetranychid a situation arises, carry out Predatory Mites release before preparation basis discharges.
2. utilize the method for Predatory Mites high-efficiency prevention and control leaf vegetables tetranychid according to claim 1, it is characterized in that needing tetranychid before the investigation of described tetranychid refers to Predatory Mites release that a situation arises understands, investigation, by consulting, observe and obtain relevant information, if there is tetranychid, a situation arises clear and definite tetranychid, occur in spot film, or generally have, or the rare place of the many some places of some places does not have, also to investigate by tetranychid hazard area periphery, understand fully tetranychid range of scatter, hazard area, the extent of injury, if informed by consulting or others and tentatively understood leaf vegetables tetranychid a situation arises, then can continue investigation further or prepare link before directly entering Predatory Mites release, while carrying out tetranychid investigation, also need to understand other leaf vegetables insect, natural enemy, the situation of disease.
3. utilize the method for Predatory Mites high-efficiency prevention and control leaf vegetables tetranychid according to claim 1, after preparing to refer to that a situation arises understanding tetranychid before it is characterized in that the release of described Predatory Mites, if release Predatory Mites, then in order to realize the efficiency utilization of Predatory Mites, at least need to accomplish following 3 points before release Predatory Mites:
(1) agricultural chemicals has been used can not to cause the injury of more than 50% to Predatory Mites before guaranteeing release Predatory Mites, residue of pesticide if higher than 50%, need delayed release, until can not cause the lethality of more than 50% to Predatory Mites, discharge when being safe from harm even completely again.
(2) if do not use any insecticide, bactericide, insects repellant, mineral oil or foliage fertilizer in 1 week, not acceptant loss can be caused, then must use before release Predatory Mites, guarantee not re-use any above-mentioned substance at least 1 week after release Predatory Mites.
(3) must carry out and split leaf work, the described Ye Budan of splitting refers to and splits Lao Ye, according to tetranychid, a situation arises and acceptance level, also comprise the young leaves split with tetranychid, within accepting scope, if can split, all leaf will be split in whole Predatory Mites release areas, also first locally leaf can be split, endanger serious region and then must split leaf, even can pull out endangering by tetranychid the whole strain of serious plant, guarantee that the leaf vegetables at least no longer having discharged Predatory Mites region to more than 50% in 1 week after release Predatory Mites 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 tetranychid and other insect, sick blade, petiole or seedling are lost in leaf vegetables ground or near the place of leaf vegetables plant, directly Predatory Mites can be discharged after having split leaf, also first insect pest can be reduced with other prophylactico-therapeutic measures, Predatory Mites is discharged again after mite evil or disease.
4. utilize the method for Predatory Mites high-efficiency prevention and control leaf vegetables tetranychid according to claim 1, it is characterized in that the release of described Predatory Mites refers to after carrying out Predatory Mites release preparation, in order to realize the efficiency utilization of Predatory Mites, at least need to accomplish following 6 points when discharging Predatory Mites:
(1) discharge after must first the Predatory Mites 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 Predatory Mites bullet covered or strike or photographed in package media, again package media is broadcasted sowing in leaf vegetables ground after mixing;
(2) place that during release Predatory Mites, tetranychid content is many must be put more, tetranychid amount is few or do not have some places to put less or not put, and avoid people to touch leaf vegetables blade with tetranychid or plant as far as possible, and avoid in Predatory Mites dispenser to the ponding in leaf vegetables ground or in aisle;
(3) during preventative release Predatory Mites, often row or every furrow leaf vegetables all will be discharged into Predatory Mites, can put by selected element, and namely often row or every furrow at least discharge 1 point, also Predatory Mites evenly can be spread fertilizer over the fields as far as possible in the region needing release, every 400m
2leaf vegetables cultivated area, Predatory Mites burst size is not less than 1000, and preferably more than 2500, the usage amount of package media is not less than 100ml, is preferably not less than 300ml;
(4) discharge Predatory Mites when tetranychid slightly endangers, much more as much as possible Predatory Mites must be spread or render to the region of tetranychid, and spread, other region can be done preventative release or do not discharged, every 400m
2leaf vegetables cultivated area, Predatory Mites burst size is not less than 2500, preferably more than 5000, and total burst size of package media is not less than 150ml, is preferably not less than 500ml;
(5) discharge Predatory Mites during tetranychid 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 Predatory Mites amount is not less than 2500, and preferably more than 5000, package media consumption 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 Predatory Mites, if discharge Predatory Mites again after needing first to open packaging cover, then the lid with Predatory Mites to be placed on leaf vegetables plant or blade or side to make full use of the Predatory Mites covered, also can first the part or all of Predatory Mites 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 Predatory Mites is leaned against on leaf vegetables plant or blade or side; If do not need first to open lid to discharge again, then after releasing Predatory Mites, 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 Predatory Mites, package body or side to make full use of Predatory Mites above, also can Predatory Mites 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 Predatory Mites, package body; Packaging bag, packing box are then placed directly on leaf vegetables plant or blade or side by packed, blade dress Predatory Mites after releasing, or by the residual Predatory Mites 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 the method for Predatory Mites high-efficiency prevention and control leaf vegetables tetranychid according to claim 1, it is characterized in that described Predatory Mites releasing effect investigation refer to release Predatory Mites after 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 tetranychid, and a situation arises, Predatory Mites quantity and surely grow situation, control efficiency, especially by tetranychid hazard area, if find that plant part tetranychid is many, Predatory Mites amount is little or do not have, and must mend to put Predatory Mites or use reduce tetranychid population number to the miticide of Predatory Mites Low Damage in this region, general Predatory Mites and tetranychid ratio lower than 1: 20 time then to consider to mend to put Predatory Mites or use tetranychid population number is reduced to the miticide of Predatory Mites Low Damage, if lower than 1: 100, then must mend in time as early as possible to put Predatory Mites or use and tetranychid population number is reduced to the miticide of Predatory Mites Low Damage, if subregion Predatory Mites amount is large, tetranychid amount is few and tetranychid can not produce harm, and other region tetranychid is more, then also can by many for Predatory Mites amount and tetranychid amount is few, even do not have the blade of tetranychid to transfer to the many regions of tetranychid.
6. utilize the method for Predatory Mites high-efficiency prevention and control leaf vegetables tetranychid according to claim 1, it is characterized in that described temp. and humidity refers to that temp. and humidity is the key factor affecting Predatory Mites preventive effect, under equal tetranychid amount condition, the amount discharging Predatory Mites 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 (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105075746A (en) * | 2015-08-18 | 2015-11-25 | 中国农业科学院植物保护研究所 | Method for preventing and controlling tetranychid mites of fruits and vegetables through predatory mites |
| CN105075745A (en) * | 2015-08-18 | 2015-11-25 | 中国农业科学院植物保护研究所 | Method for preventing and controlling spider mites of horticultural plants through predatory mites |
| CN105210731A (en) * | 2015-08-18 | 2016-01-06 | 中国农业科学院植物保护研究所 | Amblyseius persidolongispinosus is utilized to prevent and treat the method for horticultural crop tetranychid |
| CN107926394A (en) * | 2017-10-16 | 2018-04-20 | 北京市植物保护站 | Utilize Phytoseiulus Persimilis watermelon and the method for muskmelon tetranychid |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105075746A (en) * | 2015-08-18 | 2015-11-25 | 中国农业科学院植物保护研究所 | Method for preventing and controlling tetranychid mites of fruits and vegetables through predatory mites |
| CN105075745A (en) * | 2015-08-18 | 2015-11-25 | 中国农业科学院植物保护研究所 | Method for preventing and controlling spider mites of horticultural plants through predatory mites |
| CN105210731A (en) * | 2015-08-18 | 2016-01-06 | 中国农业科学院植物保护研究所 | Amblyseius persidolongispinosus is utilized to prevent and treat the method for horticultural crop tetranychid |
| CN107926394A (en) * | 2017-10-16 | 2018-04-20 | 北京市植物保护站 | Utilize Phytoseiulus Persimilis watermelon and the method for muskmelon tetranychid |
| CN107926394B (en) * | 2017-10-16 | 2020-07-03 | 北京市植物保护站 | Method for preventing and treating tetranychidae and muskmelon tetranychidae by utilizing phytoseiidae persicae |
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