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Tobacco disease and pest control method

A technology of diseases and insect pests and tobacco, which is applied in the field of flue-cured tobacco, can solve the problems of excessive pesticide residues in tobacco leaves, increase the planting cost of tobacco farmers, and affect the commodity value of tobacco leaves, etc., so as to improve the small environment of tobacco fields, enhance microbial diversity and activity, and reduce the occurrence of diseases and insect pests degree of effect

Inactive Publication Date: 2019-07-23
WEIFANG TOBACCO MONOPOLY BUREAU
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, chemical control is still the main means of preventing and controlling tobacco pests in my country. The long-term excessive and irrational application of chemical pesticides has caused the following problems: 1) The ecological environment of tobacco fields has been severely damaged; 2) The pesticide resistance of tobacco field pests is becoming stronger and stronger , making the application of chemical pesticides increase year by year, polluting the environment, and increasing the planting costs of tobacco farmers; 3) The pesticide residues in tobacco leaves generally exceed the standard, and the quality of tobacco leaves decreases, which ultimately affects the commodity value of tobacco leaves

Method used

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  • Tobacco disease and pest control method

Examples

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Effect test

Embodiment 1

[0018] A method for preventing and controlling tobacco diseases and insect pests, comprising the following steps:

[0019] 1. Tobacco field soil conservation and crop rotation:

[0020] (1) Deep winter plowing (pine), high ridging. The depth of winter plowing in all plots reached more than 25cm, and the depth of subsoiling was more than 40cm, which improved the soil micro-ecology and micro-environment, and reduced the occurrence of diseases and insect pests; timely spring harrowing work, the ridging height of the plots reached more than 25cm, which increased the soil Air permeability improves stress resistance and disease resistance of tobacco plants.

[0021] In 2018, all the 96,100 mu of tobacco fields in Weifang City were plowed in deep winter (pine) and high ridging; compared with years without deep winter plowing (loosening) and high ridging, the incidence of soil-borne diseases in tobacco fields was reduced by an average of 5% %, and the incidence of pests has been red...

Embodiment 2

[0057] A method for preventing and controlling tobacco diseases and insect pests, comprising the following steps:

[0058] 1. Tobacco field soil conservation and crop rotation:

[0059] (1) Deep winter plowing (pine), high ridging. The depth of winter plowing in all plots reached more than 35cm, and the depth of subsoiling was more than 45cm, which improved the soil micro-ecology and micro-environment, and reduced the occurrence of diseases and insect pests; timely spring harrowing work, the ridging height of the plots reached more than 35cm, which increased the soil Air permeability improves stress resistance and disease resistance of tobacco plants.

[0060] In 2017, all 90,000 mu of tobacco fields in Weifang City were plowed in deep winter (pine) and high ridging; compared with years without deep winter plowing (loosening) and high ridging, the incidence of soil-borne diseases in tobacco fields was reduced by 5.5% The occurrence rate of pests has been reduced by about 7%....

Embodiment 3

[0095] A method for preventing and controlling tobacco diseases and insect pests, comprising the following steps:

[0096] 1. Tobacco field soil conservation and crop rotation:

[0097] (1) Deep winter plowing (pine), high ridging. The depth of winter plowing in all plots reached more than 30cm, and the depth of deep loosening was more than 45cm, which improved the soil micro-ecology and micro-environment, and reduced the occurrence of diseases and insect pests; timely spring harrowing work, the ridging height of the plots reached more than 30cm, which increased the soil Air permeability improves stress resistance and disease resistance of tobacco plants.

[0098] In 2016, all the 91,000 mu of tobacco fields in Weifang City were plowed in deep winter (pine) and high ridging; compared with years without deep winter plowing (pine) and high ridging, the incidence of soil-borne diseases in tobacco fields decreased by 4% The occurrence rate of pests has been reduced by about 5%. ...

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Abstract

The invention discloses a tobacco disease and pest control method. The tobacco disease and pest control method is characterized by comprising the following steps of S1, ploughing tobacco fields in winter with a ploughing depth not smaller than 25 m and a deep scarification depth greater than 40 cm, wherein the tobacco fields are cropped in rotation and sprayed with more than 20 kilograms per mu (1mu=0.0667 hectare) of Taiyangdao fermented cake fertilizer and additionally with around 20 kilograms per mu of bean pulp; S2, arranging isolation strips inside the tobacco fields of S1, and mountingtraps; S3, breeding and releasing natural enemy insects into the tobacco fields of S2; S4, spraying biopesticides into the tobacco fields of S3; S5, performing clean production including mulching filmdegradation, waste mulching film recovery, film removal and earth preparation on the tobacco fields of S4. The tobacco disease and pest control method solves the problem of diseases and pests duringtobacco planting processes, reduces the amount of application of pesticides, protects the ecological environment and reduces pesticide residues in tobacco leaves.

Description

technical field [0001] The invention relates to the technical field of flue-cured tobacco, in particular to a method for preventing and controlling tobacco pests. Background technique [0002] my country is the largest tobacco producing country in the world today. Tobacco has become an important economic crop in my country. The selection and use of pesticide types have always been valued and restricted. With the change of seedling raising and cultivation mode, the main diseases and insect pests that harm tobacco have also undergone great changes. From the previous "three diseases and three insects" (diseases: black shank / bacterial wilt, virus disease, wildfire disease / red spot disease; insect pests: cutworm, tobacco aphid, tobacco budworm / spodoptera litura), it has evolved into The new pattern of "three diseases and four insects" (diseases: black shank / bacterial wilt, viral diseases, wildfire / red spot; insect pests: cutworms, aphids, budworms / spodoptera litura, whitefly) A...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G13/00A01B79/02A01G22/45A01G22/25A01G22/40A01G22/00
CPCA01B79/02A01G13/00A01G22/00A01G22/25A01G22/40A01G22/45
Inventor 刘春菊杜传印梁子敬夏磊刘宏宋岗高政绪王德权高玉平李斐席元肖王玉华方敏刘涛张兰华禚照卿
Owner WEIFANG TOBACCO MONOPOLY BUREAU
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