Method for repairing and conserving disease inoculated tobacco field

A tobacco field and disease technology, which is applied in the field of restoration and conservation of disease inoculated tobacco fields, can solve the problems of inability to invest, serious disease of disease inoculated tobacco fields, waste of land resources, etc., and achieve the effect of alleviating continuous cropping obstacles.

Active Publication Date: 2019-03-22
YUNNAN TOBACCO CO LTD KUNMING BRANCH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the soil in most disease test fields shows acidification and compact structure, weak growth of tobacco plants, severe diseases such as black shank and red spot disease, especially the death of tobacco plants due to black shank and root black rot during transplanting to the cluster stage The high rate has serious implications for the continuation of tobacco field trials
[0003] Moreover, a large number of long-term continuous cropping disease-inoculated tobacco fields cannot be put into normal agricultural use due to serious diseases and other problems, and at the same time caused a waste of land resources.
At present, there are no relevant reports on the restoration and conservation of disease-inoculated tobacco fields

Method used

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  • Method for repairing and conserving disease inoculated tobacco field
  • Method for repairing and conserving disease inoculated tobacco field
  • Method for repairing and conserving disease inoculated tobacco field

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] A method for repairing and preserving tobacco fields inoculated with diseases, comprising the following steps:

[0052] 1) Leveling the land and clearing the diseased residues: the inoculated tobacco field with the disease to be treated is treated to eliminate the host, and the treatment includes the treatment of the site preparation and the treatment of removing the tobacco plants; Within 10cm in size and diameter; the removal of tobacco plants is to thoroughly remove the residual leaves, tobacco stems and roots of the tobacco plants in the target test field;

[0053] 2) Kill harmful pathogenic bacteria:

[0054] A. Tobacco field water conservation: For tobacco fields that have been planted for a long time or have water leakage, carry out water conservation measures before flooding, that is, under the condition of shallow water with a water depth of 2cm from the ground surface, the soil is finely ground into mud; if the field ridge is not carried out When the cement i...

Embodiment 2

[0077] A method for repairing and preserving tobacco fields inoculated with diseases, comprising the following steps:

[0078] 1) Leveling the land and cleaning up the diseased residues: the inoculated tobacco field with the disease to be treated is treated to eliminate the host, and the treatment includes the land preparation treatment; the land preparation treatment is to level and rake the target test field to a size and diameter of less than 9cm ;

[0079] 2) Kill harmful pathogenic bacteria:

[0080] A. Tobacco field water conservation: For tobacco fields that have been planted for a long time or have water leakage, carry out water conservation measures before flooding, that is, under the condition of shallow water with a depth of 1.5cm from the ground surface, grind the soil into mud; For cement hardening, use a plastic film with a thickness of more than 0.015mm to spread on the inner side of the field ridge to retain water;

[0081] B. Sprinkle alkaline fungicide: Aft...

Embodiment 3

[0102] A method for repairing and preserving tobacco fields inoculated with diseases, comprising the following steps:

[0103] 1) Leveling the land and clearing the diseased residues: the inoculated tobacco field with the disease to be treated is subjected to host elimination treatment, the treatment includes the treatment of removing the tobacco plants; the treatment of removing the tobacco plants is to remove the remaining leaves and Thoroughly remove the stems and root system to leave the field;

[0104] 2) Kill harmful pathogenic bacteria:

[0105] A. Tobacco field water conservation: For long-term tobacco planting or to-be-treated tobacco fields that will leak, carry out water conservation measures before flooding, that is, under the condition of shallow water with a depth of 2.5cm from the ground surface, grind the soil into mud; For cement hardening, a plastic mulch film with a thickness of 0.02mm is used to spread it on the inner side of the field ridge to retain wate...

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Abstract

The invention discloses a method for repairing and conserving a disease inoculated tobacco field. The method comprises the following steps: 1) land smoothing and diseased plant residue removal; 2) killing of harmful pathogens: A, water retention of the tobacco field; B, broadcasting application of an alkaline bactericide; C, water flooding; and D, basking and freezing of upturned soil; 3) soil remediation: A, selection and preparation of soil beneficial microorganisms; B, raking diminishing and raking flattening of the upturned soil; C, irrigation; 4) health cultivation; and 5) loop processing. Hosts are eliminated through land leveling diseased plant residue removal, water flooding and deep tillage are carried out, alternate basking and freezing of the upturned soil, which fully utilize the strong ultraviolet rays in the daytime and the low temperature at night are carried out to maximally kill the harmful pathogens, then inoculation of the soil with the beneficial microbial bacteriais carried out to restore the health of the soil, and finally health cultivation is carried out to achieve soil conservation.

Description

technical field [0001] The invention belongs to the technical field of tobacco field restoration, and in particular relates to a method for restoration and conservation of disease-inoculated tobacco fields. Background technique [0002] The disease-inoculated tobacco field is a tobacco planting experiment field that has been used for long-term inoculation tests of harmful pathogenic microorganisms such as black shank and red spot disease. Most of the disease-inoculated tobacco fields are flat and easy to drain and irrigate. . Therefore, the soil in most disease test fields shows acidification and compact structure, weak growth of tobacco plants, severe diseases such as black shank and red spot disease, especially the death of tobacco plants due to black shank and root black rot during transplanting to the cluster stage The high rate has a serious impact on the continuation of tobacco field trials. [0003] Moreover, a large number of disease-inoculated tobacco fields for l...

Claims

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Application Information

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IPC IPC(8): A01G22/45A01B79/02
CPCA01B79/02A01G22/45
Inventor 徐兴阳王亚辉杨春江李杰焦芳婵方敦煌封幸兵张兴许东亚赵岗
Owner YUNNAN TOBACCO CO LTD KUNMING BRANCH
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