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Composition for inhibiting tomato bacterial wilt and application thereof

A technology for tomato bacterial wilt disease and composition, which is applied in the field of compositions for inhibiting tomato bacterial wilt disease, can solve the problems of difficult prevention and treatment of tomato bacterial wilt disease, and achieves high control effect, increased biomass, and promoted chlorophyll content. Effect

Active Publication Date: 2012-06-20
INST OF SOIL SCI CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Technical problem solved: the present invention aims at the problem that tomato bacterial wilt is difficult to prevent and treat, and provides a composition for inhibiting tomato bacterial wilt and its application

Method used

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  • Composition for inhibiting tomato bacterial wilt and application thereof
  • Composition for inhibiting tomato bacterial wilt and application thereof
  • Composition for inhibiting tomato bacterial wilt and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The soil was collected from a continuous cropping vegetable field with severe disease in Nanjing, passed through a 2mm sieve and placed in pots. Mineral powder (quartz 2.5g, alkaline feldspar 5g, apatite 5g, hydromica 2.5g, vermiculite 1.3g, chlorite 2.5g, smectite 5.7g, attapulgite 2.5g, kaolinite 2.5g) and organic fertilizer were uniformly mixed in the soil according to the mass ratio of 45%:55%, so that the content in the soil reached 2%wt. Select tomato seedlings with consistent growth and transplant them in the treated pots. Table 1 experimental result shows that the present invention can make soil pH value increase, raises to 6.70 from 5.13 of original soil, builds a neutral environment to be beneficial to the growth of plant, and does not use in the control soil of the present invention, pH slightly dropped, from 5.13 to 4.81. Compared with the control, the invention can increase the soil cation exchange capacity CEC, indicating that the invention can promote t...

Embodiment 2

[0025] Mineral powder (quartz 7.5g, alkaline feldspar 7.5g, apatite 10g, hydromica 5g, vermiculite 2.5g, chlorite 7.5g, smectite 7.5g, attapulgite 5g, kaolinite 5g ) and organic fertilizer are uniformly mixed in the soil according to the mass ratio of 60%:40%, so that the content in the soil reaches 4%wt. Select tomato seedlings with consistent growth and transplant them in the treated pots. The results show that the present invention can make tomato plants grow robustly. The tomato plants treated with the technology of the present invention have a plant height of 2.71cm higher than that of the control, a diameter of 0.27cm thicker than the control, and a dry weight of each tomato increased by 2.77g. At the same time, the invention can also increase the chlorophyll content in the leaves and accelerate the photosynthetic rate of the tomato. Thus the chlorophyll content was 96.39% higher than that of the control. Photosynthetic rate increased from 4.62 to 10.29 μM m -2 the s ...

Embodiment 3

[0031] Mineral powder (quartz 5g, alkaline feldspar 6.3g, apatite 7.5g, hydromica 4g, vermiculite 2g, chlorite 6.5g, smectite 7g, attapulgite 4g, kaolinite 4g) and The organic fertilizer is evenly mixed in the soil according to the mass ratio of 1:1, so that the content in the soil reaches 3%wt. The results showed that the activities of invertase, urease, catalase and alkaline phosphatase in the soil all changed significantly ( figure 1 ). The activity of invertase in the soil treated by the invention reaches 27.45 mg / g, while that of the control is only 15.34 mg / g. The activity of urease in the present invention is 0.047 mg / g, which is 4.41 times that of the control. The activity of catalase in the control treatment was 0.89 mg / g, while the activity of the enzyme in the present invention was increased by 105.90%. The present invention also increases the activity of alkaline phosphatase in soil simultaneously, and its alkaline phosphatase activity of the soil treated by th...

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Abstract

The invention relates to a composition for inhibiting tomato bacterial wilt and an application thereof. Mineral powder and organic fertilizers are uniformly mixed according to a mass ratio of (45 to 60 percent):(40 to 50 percent) to be applied into soil so that the mass content of the composition in the soil reaches 2 to 4 percent, and the mineral powder is a mixture consisting of 5 to 15 mass parts of quartz, 10 to 15 mass parts of alkali feldspar, 10 to 20 mass parts of apatite, 5 to 10 mass parts of hydromica, 3 to 5 mass parts of vermiculite, 10 to 15 mass parts of chlorite, 12 to 15 massparts of smectite, 5 to 10 mass parts of attapulgite and 5 to 10 mass parts of kaolinite. The composition can be used for effectively preventing and treating the tomato bacterial wilt, and the prevention and treatment effect is as high as 89.99 percent.

Description

[0001] technical field [0002] The invention belongs to the field of disease prevention and treatment of intensive agricultural production and fertilization technology, and in particular relates to a composition for inhibiting tomato bacterial wilt and its application. [0003] Background technique [0004] At present, the planting area of ​​vegetables in protected areas in my country continues to expand. Because the temperature and humidity conditions in protected areas are suitable for the growth of R. solanacearum, coupled with the continuous cropping of the same species, bacterial wilt has increased year by year. At present, chemical pesticides are mainly used to prevent and control vegetable bacterial wilt, such as: agricultural streptomycin, new phytomycin and shuangxiaoling. However, the use of chemical pesticides will not only produce pesticide residues, but also the resistance of pathogenic bacteria to drugs will gradually increase. Vegetable farmers can only incr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00
Inventor 李建刚董元华
Owner INST OF SOIL SCI CHINESE ACAD OF SCI
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