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Method for avoiding continuous cropping obstacles of sheltered watermelon

A technology of watermelon and photosynthetic bacteria, applied in chemical instruments and methods, botanical equipment and methods, chemicals for biological control, etc., can solve the problems of watermelon cultivation in protected areas that cannot be continuously cropped, so as to reduce the occurrence of soil-borne diseases, The effect of reducing accumulation and wide source of raw materials

Inactive Publication Date: 2012-07-11
SHANGHAI BOCHEN BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a method for preventing continuous cropping obstacles of watermelons in protected areas. By using photosynthetic bacteria culture solution to irrigate and irrigate roots, the ability of disease resistance, insect resistance and adversity resistance in protected areas can be improved, and soil-borne diseases of watermelons can be suppressed and reduced. Reduce the incidence of disease, eliminate pesticide residues and heavy metal residues in the soil and improve soil fertility, and solve the problem that watermelon cultivation in protected areas cannot be continuously cropped

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Prepare photosynthetic bacteria culture medium according to the following components:

[0033] Sodium acetate 1000-2000mg CaCl2.2H2O 50-100 mg

[0034] MgSO4.7H2O 100-300 mg EDTA 10-30 mg

[0035] Yeast extract 500-1500 mg K2HPO4 500-1500 mg

[0036] (NH4)2SO4 1000-2000 mg KH2PO4 400-1000 mg

[0037] FeSO4. 7H2O 5-15mg trace element solution 1-5m1

[0038] Deionized water 1000-2000 ml pH 6 - 8

[0039] Wherein the trace element solution consists of:

[0040] H3BO3 200-300 mg Na2MoO4.2H2O 50-100 mg

[0041] CuSO4 2-10 mg MnSO4. 4H2O 150-250 mg

[0042] ZnSO4.7H2O 20-30 mg Deionized water 100-200 ml

[0043] Introduce 1 / 10 of the photosynthetic bacteria seed culture solution into the sterilized photosynthetic bacteria culture medium, anaerobic culture at a temperature of 15°C - 20°C; light intensity of 1800lux for 10 days, and the number of viable bacteria is 108— 1010 cfu / ml photosynthetic bacteria culture solution.

[0044] In the...

Embodiment 2

[0047] The preparation method of photosynthetic bacteria culture medium is the same as embodiment 1.

[0048]Introduce 1 / 5 of the photosynthetic bacteria seed culture solution into the sterilized photosynthetic bacteria culture medium, anaerobic culture for 8 days at a temperature of 15°C - 20°C; light intensity of 1200lux, and the number of viable bacteria is 108- 1010 cfu / ml photosynthetic bacteria culture solution.

[0049] In the middle and lower reaches of the Yangtze River, watermelon seedlings in protected areas are generally transplanted in late February. In the third year planted watermelon facility protected land, the photosynthetic bacteria culture solution was diluted with water to 50 times of the original volume, and applied in the soil to be planted watermelon with the use amount of 20kg per mu combined with watering evenly; After the seedlings are settled, the photosynthetic bacteria culture solution is diluted to 150 times of the original volume with water...

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Abstract

The invention discloses a method for avoiding continuous cropping obstacles of sheltered watermelon, which includes: diluting photosynthetic bacteria culture solution, and performing irrigation and root irrigation for sheltered watermelon. By the method, disease resistance, insect resistance and stress resistance of the sheltered watermelon can be improved, various soil-borne diseases can be inhibited and reduced, healthy growth of the sheltered watermelon is promoted, and yield is increased; pesticide and fertilizer residue and other toxic harmful substances (hydrogen sulfide, organic amines and chlorobenzene) in soil and plants can be degraded, and safety of agricultural products is guaranteed; and nitrogenase activity of watermelon plant rhizosphere can be improved, organic content of the soil is increased effectively under the action of carbon fixation and nitrogen fixation of the watermelon plants, and consumption of fertilizer is reduced. Material sources for the method are extensive and cheap, the problem of failure of continuous cropping in sheltered watermelon culture is solved thoroughly, residue of harmful substances is avoided, and production of pollution-free watermelons is effectively and technically guaranteed.

Description

[0001] technical field [0002] The invention belongs to the technical field of watermelon cultivation, in particular to a method for preventing continuous cropping obstacles of watermelons in protected areas. Background technique [0003] With the rapid expansion of the cultivated area of ​​watermelon protected areas and the continuous improvement of the multiple cropping index, the crop rotation period is shortened, and the obstacles to continuous cropping in the soil are aggravated, which seriously restricts the healthy development of the watermelon industry in protected areas. The causes of watermelon continuous cropping obstacles in protected areas include pathogenic microorganisms (fungi, bacteria, viruses, nematodes) infectious diseases (soil-borne diseases), and physiological diseases caused by salinization and autotoxic substances. combination of factors. Continuous cropping of watermelons in protected areas often results in imbalance of soil nutrients, hindering t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01N63/02A01P3/00A01P1/00C09K17/14C09K101/00
Inventor 李应超郭燕辉
Owner SHANGHAI BOCHEN BIOTECH
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