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A field control method of cluster tobacco pests

A prevention and control and field technology, applied in the field of tobacco pest control, can solve the problems of polluted soil and pesticide residues in tobacco leaves, time-consuming and labor-intensive problems, achieve optimal concentration of pesticides and loading treatment time, strong operability, and less dosage of pesticides Effect

Active Publication Date: 2016-08-24
YUNNAN TOBACCO CO LTD KUNMING BRANCH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the control of such pests, the methods currently used mainly include paddy and dry crop rotation, intertillage weeding, manual capture, chemical control, etc., but whether it is applying poisonous soil, watering tobacco plants, or directly spraying chemical pesticides on the damaged tobacco plants , all have technical defects such as time-consuming, polluted soil and pesticide residues in tobacco leaves

Method used

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  • A field control method of cluster tobacco pests

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] Insecticide: 70% imidacloprid wettable powder 12000× or 5% acetamiprid EC 2000×; auxiliary washing powder, the dosage is 0.2% by mass of the aqueous solution.

[0048] Attention should be paid to monitoring the soil humidity during the transplanting period of the tobacco plants. When the relative soil humidity is lower than 5%, water should be replenished in time to make the relative soil humidity in the rhizosphere of the tobacco plants reach more than 8%. In the early stage of the damage of Pseudomonas, cut off 0.5~1.5m long chestnut branches with fresh leaves, and at the same time prepare and apply the medicinal solution according to the highest concentration specified in the instruction manual of the insecticide, and place the prepared medicinal solution in a place longer than Reserve in 0.5m plastic basins. Evenly cut chestnut branches with fresh leaves around the pest-infested tobacco field, with a distance of 10-100cm from the tobacco plants, and cut one branch o...

Embodiment 2

[0050] Insecticides: 0.5% matrine water solution 600×, phoxim·methomyl (active ingredients 40% phoxim + 40% methomyl, each accounting for 50%) 1000×.

[0051]Attention should be paid to monitoring the soil humidity during the transplanting period of the tobacco plants. When the relative soil humidity is lower than 5%, water should be replenished in time to make the relative soil humidity in the rhizosphere of the tobacco plants reach more than 8%. At the initial stage of leaf beetle damage, cut off 0.5-1.5m long branches of Junqianzi with fresh leaves, and at the same time prepare and apply the medicinal solution according to the highest concentration specified in the instruction manual of the insecticide, and place the prepared medicinal solution on a length of Reserve in plastic basins larger than 0.5m. Evenly cut the branches of Junqianzi with fresh leaves around the tobacco field with insect damage, 10-100cm away from the tobacco plants, cut 1 branch of Junqianzi with fres...

Embodiment 3

[0053] Insecticide: 1.8% avermectin and 10% lambda-cyhalothrin aqueous emulsion are mixed 5000×, the ratio of the two is 2:1.

[0054] Attention should be paid to monitoring the soil humidity during the transplanting period of the tobacco plants. When the relative soil humidity is lower than 5%, water should be replenished in time to make the relative soil humidity in the rhizosphere of the tobacco plants reach more than 8%. At the initial stage of beetle beetle damage, cut chestnut branches with fresh leaves 0.5-1.5m long, and prepare and apply the medicinal solution according to the highest concentration specified in the instruction manual of the insecticide, and place the prepared medicinal solution in a place with a length greater than 0.5m. m plastic pots for later use. Evenly cut chestnut branches with fresh leaves around the pest-infested tobacco field, with a distance of 10-100cm from the tobacco plants, and cut one chestnut branch with fresh leaves every 2-5m. The tot...

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Abstract

The invention discloses a group-type tobacco pest field prevention and control method being safe, high-efficient, economical and environmental-protective. The field prevention and control method includes following processes: getting twigs, blending a medicine, performing cuttage and performing a cleaning process. The field prevention and control method particularly comprises following steps: cutting the twigs having fresh leaves thereon; preparing a medicine liquid according to a concentration specified in a usage specification of an insecticide; cuttaging the twigs having fresh leaves thereon around a tobacco field suffered from pests with an interval from the tobacco plants being more than 10cm, wherein each twig having fresh leaves is cuttaged per 2-5 m and the twigs are soaked in the medicine liquid before cuttaging or are sprayed by the medicine liquid after cuttaging; after cuttage for 2-3 days, collecting the twigs and leaves on which the medicine liquid is supported and removing the twigs and leaves away from the field for treatment. The field prevention and control method is variable in medicine selection, is less in application amount of the medicine, is better in a prevention and control effect, can effectively avoid pesticide residue in tobacco and pollution on soil and water source around the tobacco field, is beneficial to reduction of labor intensity of a prevention and control worker, can reduce a prevention and control cost, is safe, high-efficient, economical and environmental-protective and is suitable for being popularized in a large scale.

Description

technical field [0001] The invention belongs to the technical field of tobacco pest prevention and control, and in particular relates to a safe, efficient, economical and environment-friendly field prevention and control method for clustered tobacco pests. Background technique [0002] There are many kinds of swarming pests that harm the growth and development of tobacco plants, mainly involving Caroptera and Chrysolithidae of Coleoptera. Both the larvae and the adults of the Pteropus beetle will cause harm to the tobacco plants at various growth stages: in the dry land during the transplanting period of the tobacco seedlings, the larvae of the Pteropus beetle will harm the root system or the base of the stem, causing the death of the tobacco seedlings. During the field period with abundant rainfall from July to August, adults will gather in large numbers and harm tobacco leaves. However, in some places, during the field period, the beetles and the leaf beetles will gather ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G13/00
CPCA01G13/00A01G22/00
Inventor 徐兴阳吴永明欧阳进方荣启戴恩叶佳伟张俊文朱利全李登雄杨正权王锋
Owner YUNNAN TOBACCO CO LTD KUNMING BRANCH
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