CN105851070B - Application of the invasive weed South America wedelia chinensis in killing Spodoptera litura larvae - Google Patents
Application of the invasive weed South America wedelia chinensis in killing Spodoptera litura larvae Download PDFInfo
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- CN105851070B CN105851070B CN201610256321.7A CN201610256321A CN105851070B CN 105851070 B CN105851070 B CN 105851070B CN 201610256321 A CN201610256321 A CN 201610256321A CN 105851070 B CN105851070 B CN 105851070B
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- Prior art keywords
- south america
- wedelia chinensis
- america wedelia
- spodoptera litura
- litura larvae
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
-
- 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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/08—Magnoliopsida [dicotyledons]
- A01N65/12—Asteraceae or Compositae [Aster or Sunflower family], e.g. daisy, pyrethrum, artichoke, lettuce, sunflower, wormwood or tarragon
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental Sciences (AREA)
- Microbiology (AREA)
- Biotechnology (AREA)
- Agronomy & Crop Science (AREA)
- Natural Medicines & Medicinal Plants (AREA)
- Mycology (AREA)
- Plant Pathology (AREA)
- Dentistry (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Botany (AREA)
- Toxicology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses application of the invasive weed South America wedelia chinensis in killing Spodoptera litura larvae, belong to the environmentally friendly technical field for using instruction plant resource kill pest.This method directly kills Spodoptera litura larvae by applying South America wedelia chinensis extracting solution on crops.Using the invasive weed South America wedelia chinensis that South China is common, the reasonable effective exploitation for carrying out plant resources utilizes；South America wedelia chinensis cured leaf quality used in the preparation of South America wedelia chinensis extracting solution is 50-200 g.The present invention effectively kills agricultural pests Spodoptera litura larvae by using invasive weed, and operation is simple, and effect is good, and cost is extremely low, is the method for the green friendly bionomic control agricultural pests of health environment-friendly.
Description
Technical field
The invention belongs to the environmentally friendly technical fields using plant resources desinsection, and in particular to a kind of exotic invasive is miscellaneous
Application process of the careless South America wedelia chinensis in killing pest Spodoptera litura larvae.
Background technology
Prodenia litura is a kind of omnivorousness agricultural pests that China is generally distributed, larval feeding multiple kinds of crops, bite
Plant leaf blade, flower and fruit, it is often that plant leaf blade feeding one is empty, master pulse is left behind, and void excreta, polluted, and its
It can breed 4-5 generations within 1 year, intermittent wildness causes harm, and huge economic loss is caused to China's agricultural.Currently, China prevents twill
The main method of noctuid is to use chemical insecticide.But the use of insecticide can not only cause the pesticide residue on crops,
Human and livestock health is endangered, and permanent ecological pollution is caused into soil, river by rainwash.Utilize biological control
The method prevention that carries out pest have the characteristics that environmentally protective, be the important leverage of modern material reserve.South America wedelia chinensis
（Wedelia trilobata）It is the Alien Weeds for invading South China of China, economic damage is also resulted in southern region of China
It loses.But we can serve the mankind using its benefit, and malignant weed " is turned waste into wealth ", and fully has to plant resources
The utilization of effect.Therefore, the prevention using weeds South America wedelia chinensis to agricultural pests prodenia litura even more " is killed two birds with one stone ", simultaneously
Also ensure the basic norm of the environment protection health of the ecotype agriculture.
Invention content
The purpose of the present invention is to provide a kind of exotic invasive weed South America wedelia chinensis to kill agricultural pests prodenia litura
Application in larva, and invasive weed can be made full use of, " turning waste into wealth " realizes the ecotype agriculture of environment-friendly and green.The party
Method directly kills the larva of prodenia litura by applying the leaching liquor of invasive weed South America wedelia chinensis to crop spraying.
In order to reach object above, the present invention uses following technical scheme：
Application of the invasive weed South America wedelia chinensis in killing Spodoptera litura larvae, carries out as steps described below：Acquisition south
U.S. wedelia chinensis blade, is dried, and smash.It takes 50-200 g cured leafs to be impregnated with 1 L tap water, during which often stirs, impregnate 48-72
Filtered through gauze is used after h, obtains South America wedelia chinensis extracting solution.
The extracting solution made is directly sprayed onto on the crops that Spodoptera litura larvae causes harm, especially suitable for twill night
Moth larvae is in low age period.Rainy weather can not be selected in by spraying South America wedelia chinensis extracting solution, to prevent extracting solution by rain drop erosion.
Spray weekly it is primary, about three times after can kill prodenia litura low instar larvae.If larva is larger, can continue to spray 2-3 times, it is also reachable
To killing Spodoptera litura larvae effect.
The South America wedelia chinensis extracting solution, preferably South America wedelia chinensis blade, deinsectization are better.
South America wedelia chinensis cured leaf quality used in the preparation of the South America wedelia chinensis extracting solution is 50-200 g.
South America wedelia chinensis cured leaf quality is preferably 200 g used in the preparation of the South America wedelia chinensis extracting solution.It goes out
Worm is better.
The present invention has the following advantages：
（1）Vegetable material South America wedelia chinensis is the common invasive weed in South China, is distributed widely in urban green belts, township
Between field side, open space etc., easily obtain.
（2）It is simple to operation to obtain extracting solution method, does not need upgrade kit and special reagent material, and deinsectization method
It is easy to operate, it is operated convenient for peasant field, and cost is extremely low.
（3）It is good to kill Spodoptera litura larvae effect, and absolutely environmental protection, green, remaining extracting solution are nontoxic to crops
It is harmless, achieve the purpose that carry out Ecological Control to agricultural pests.
（4）Recycling is carried out to harmful instruction plant South America wedelia chinensis, is had greatly to the utilization of biological invasion
Reference value.
Description of the drawings
The relationship of the South America Fig. 1 wedelia chinensis extracting solution application concentration and the prodenia litura death rate.
Specific implementation method
Embodiment 1：
The present invention is the method that a kind of exotic invasive weed South America wedelia chinensis kills pest Spodoptera litura larvae, specific steps
Including：
（1）South America wedelia chinensis blade is acquired, dry doubling is shone and is broken into powder.50 g blades dry powder are taken to be impregnated with 1 L tap water, the phase
Between often stir, impregnate 48 h after use filtered through gauze, obtain South America wedelia chinensis extracting solution.
（2）The South America wedelia chinensis extracting solution made is directly sprayed onto on the crops that Spodoptera litura larvae causes harm, is fitted
It is in low age period for Spodoptera litura larvae.Rainy weather can not be selected in by spraying South America wedelia chinensis extracting solution, to prevent extracting solution
It is flowed away by rain drop erosion.Spray weekly it is primary, about three times after can kill prodenia litura low instar larvae.If larva is larger, can continue
It sprays 2-3 times, also can reach and kill Spodoptera litura larvae effect.
Method provided by the present invention can effectively kill Spodoptera litura larvae, by experimental verification, the side in the present embodiment
Method, the Spodoptera litura larvae death rate are about 60%.
Embodiment 2：
The present invention is the method that a kind of exotic invasive weed South America wedelia chinensis kills pest Spodoptera litura larvae, specific steps
Including：
（1）South America wedelia chinensis blade is acquired, dry doubling is shone and is broken into powder.100 g blades dry powder are taken to be impregnated with 1 L tap water,
Period often stirs, and uses filtered through gauze after impregnating 72 h, obtains South America wedelia chinensis extracting solution.
（2）The South America wedelia chinensis extracting solution made is directly sprayed onto on the crops that Spodoptera litura larvae causes harm, is fitted
It is in low age period for Spodoptera litura larvae.Rainy weather can not be selected in by spraying South America wedelia chinensis extracting solution, to prevent extracting solution
It is flowed away by rain drop erosion.Spray weekly it is primary, about three times after can kill prodenia litura low instar larvae.If larva is larger, can continue
It sprays 2-3 times, also can reach and kill Spodoptera litura larvae effect.
Method provided by the present invention can effectively kill Spodoptera litura larvae, by experimental verification, the side in the present embodiment
Method, the Spodoptera litura larvae death rate are about 75%.
Embodiment 3：
The present invention is the method that a kind of exotic invasive weed South America wedelia chinensis kills pest Spodoptera litura larvae, specific steps
Including：
（1）South America wedelia chinensis blade is acquired, dry doubling is shone and is broken into powder.200 g blades dry powder are taken to be impregnated with 1 L tap water,
Period often stirs, and uses filtered through gauze after impregnating 72 h, obtains South America wedelia chinensis extracting solution.
（2）The South America wedelia chinensis extracting solution made is directly sprayed onto on the crops that Spodoptera litura larvae causes harm, is fitted
It is in low age period for Spodoptera litura larvae.Rainy weather can not be selected in by spraying South America wedelia chinensis extracting solution, to prevent extracting solution
It is flowed away by rain drop erosion.Spray weekly it is primary, about three times after can kill prodenia litura low instar larvae.If larva is larger, can continue
It sprays 2-3 times, also can reach and kill Spodoptera litura larvae effect.
Method provided by the present invention can effectively kill Spodoptera litura larvae, by experimental verification, the side in the present embodiment
Method, the Spodoptera litura larvae death rate are about 95%.
Claims (2)
1. a kind of application of invasive weed South America wedelia chinensis in killing Spodoptera litura larvae, which is characterized in that use South America amphibious crab
Chrysanthemum leaf extract kills Spodoptera litura larvae；
South America wedelia chinensis extracts liquid and preparation method thereof：South America wedelia chinensis blade is dried, and is broken into powder；Take 50-200 g blades
Dry powder is impregnated with 1 L tap water, is during which often stirred, and filtered through gauze is used after impregnating 48-72 h；
South America wedelia chinensis blade dry powder soaking time is 48-72h；
South America wedelia chinensis cured leaf quality used is 50-200 g in the preparation of South America wedelia chinensis leaf extract.
2. application of a kind of invasive weed South America wedelia chinensis in killing Spodoptera litura larvae as described in claim 1, preferably
For South America wedelia chinensis blade.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610256321.7A CN105851070B (en) | 2016-04-25 | 2016-04-25 | Application of the invasive weed South America wedelia chinensis in killing Spodoptera litura larvae |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610256321.7A CN105851070B (en) | 2016-04-25 | 2016-04-25 | Application of the invasive weed South America wedelia chinensis in killing Spodoptera litura larvae |
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| CN105851070A CN105851070A (en) | 2016-08-17 |
| CN105851070B true CN105851070B (en) | 2018-11-06 |
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| CN105395750A (en) * | 2015-11-25 | 2016-03-16 | 集美大学 | External use type Chinese herbal medicine prescription for preventing and controlling fish epizoonosis and production method thereof |
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| CN104610054B (en) * | 2015-02-04 | 2017-01-25 | 中国科学院华南植物园 | Caffeoyl hydroquinone ester and preparation method and application of caffeoyl hydroquinone ester in preparation of tyrosinase inhibitor |
| CN105327173B (en) * | 2015-11-19 | 2019-04-30 | 集美大学 | A kind of Chinese herb compound additive and its production method for preventing and treating eliminating fish parasites disease |
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