Method for cultivating root-knot nematode-resistant tomato seedlings

A technology for resisting root knot nematodes and tomato seedlings, which is applied in the directions of seed and rhizome treatment, botanical equipment and methods, culture medium, etc. The effect of resistance, long duration of resistance and high peroxidase activity

Active Publication Date: 2021-07-09
SHANDONG SHOUGUANG VEGETABLE IND GRP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, there is no effective technology for cultivating root-knot nematode-resistant tomato seedlings in production

Method used

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  • Method for cultivating root-knot nematode-resistant tomato seedlings

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Effect test

Embodiment 1

[0013] Autumn delayed stubble cultivation of tomatoes in the solar greenhouse. The planting variety is Dilio, which is not resistant to root-knot nematode disease. The seedlings were sown on July 5, 2018, and planted on August 10. The location is in a vegetable greenhouse in Shouguang, Shandong. Except for the technical scheme, no other measures for controlling root-knot nematodes were adopted in each treatment.

[0014] Processing 1: Adopt the method for seedling cultivation of this application, the technical scheme is as follows:

[0015] Soak the seeds in a 50mg / kg poisonous fluorophosphorus aqueous solution at 30°C for 4 hours, then remove them and wait for sowing; mix peat, carbonized rice husk, and vermiculite in a volume ratio of 5:3:2, and then add Bacillus cereus The microbial agent is prepared into a Bacillus cereus-type substrate with an effective viable count of Bacillus cereus ≥ 400,000 / g, and then put it into a 50-hole seedling tray (length, width, height: 54cm×2...

Embodiment 2

[0033] Tomatoes are cultivated in the solar greenhouse in early spring. The planting variety is Baoli, which is not resistant to root-knot nematode disease. The seedlings were sown on December 10, 2018, and planted on January 20 of the following year. The location is in a vegetable greenhouse in Shouguang, Shandong. Except for the technical scheme, no other measures for controlling root-knot nematodes were adopted in each treatment.

[0034] Processing 1: Adopt the method for seedling cultivation of this application, the technical scheme is as follows:

[0035] Soak the seeds in 75mg / kg poisonous fluorophosphorus aqueous solution at 25°C for 6 hours, remove them and wait for sowing; mix peat, carbonized rice husks, and vermiculite in a volume ratio of 5:3:2, and then add Bacillus cereus The microbial agent is prepared into a Bacillus cereus-type substrate with an effective viable count of Bacillus cereus ≥ 400,000 / g, and then put it into a 50-hole seedling tray (length, width,...

Embodiment 3

[0041] Tomatoes are cultivated in winter and spring in a solar greenhouse. The planting variety is Provence, which is not resistant to root-knot nematode disease. The seedlings were sown on September 1, 2019, and planted on October 5. The location is in a vegetable greenhouse in Shouguang, Shandong. Except for the technical scheme, no other measures for controlling root-knot nematodes were adopted in each treatment.

[0042] Processing 1: Adopt the method for seedling cultivation of this application, the technical scheme is as follows:

[0043] Soak the seeds in a 60mg / kg poisonous fluorophosphorus aqueous solution at 28°C for 5 hours, then remove them and wait for sowing; mix peat, carbonized rice husk, and vermiculite in a volume ratio of 5:3:2, and then add Bacillus cereus The microbial agent is prepared into a Bacillus cereus-type substrate with an effective viable count of Bacillus cereus ≥ 400,000 / g, and then put it into a 50-hole seedling tray (length, width, height: 54...

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Abstract

The invention provides a method for cultivating root-knot nematode-resistant tomato seedlings. The method comprises the following steps: soaking seeds in a Dufulin aqueous solution having the concentration of 50-75mg / kg for 4-6 hours, and fishing out the seeds for sowing; and uniformly mixing turf, carbonized rice husks and vermiculite in a volume ratio of 5:3:2, adding a microbial agent containing bacillus cereus into the mixture to prepare a bacillus cereus matrix, putting the bacillus cereus matrix into a seedling plug tray, performing sowing, putting the seedling plug tray into a seedbed for seedling raising, completely soaking the seedling plug tray into the Dufulin aqueous solution having a concentration of 120-150mg / kg when two true leaves of a tomato seedling are completely unfolded, taking out the matrix after the matrix in the plug tray is completely soaked, and putting the matrix back to the seedbed to continuously cultivate the seedlings at proper age. The seedlings cultivated by the method are superior to conventional seedlings in the aspects of root-knot nematode resistance, yield after planting and the like.

Description

technical field [0001] The invention relates to a method for cultivating root-knot nematode-resistant tomato seedlings, belonging to the technical field of vegetable seedling cultivation. Background technique [0002] Root-knot nematode damage is one of the main hazards in the production process of tomato crops, which can cause more than 30% reduction in tomato production, or even no harvest. In recent years, the planting area of ​​vegetables in protected areas such as solar greenhouses in my country has continued to expand, and the temperature and humidity in the sun are suitable, coupled with continuous cropping all year round, causing root-knot nematodes to increase year by year. Cultivating tomato seedlings resistant to root-knot nematode is one of the economical and effective ways to overcome the harm of tomato root-knot nematode in facilities. At present, there is no effective technology for cultivating root-knot nematode-resistant tomato seedlings in production. Co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G22/05A01G24/28A01G24/10A01G24/15A01G24/20A01C1/00A01C1/08A01G13/00
CPCA01G22/05A01G24/28A01G24/10A01G24/15A01G24/20A01C1/00A01C1/08A01G13/00Y02P60/21
Inventor 夏海波胡莹莹胡永军田素波王冠杰李英杰
Owner SHANDONG SHOUGUANG VEGETABLE IND GRP
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