Method for inhibiting tobacco root-knot nematode disease through janapan
A technology for tobacco root-knot nematodes and hemp, applied in the field of biological control of agricultural and forestry pests, to achieve the effects of improving drought resistance, reducing application amount, and avoiding direct contact
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Embodiment 1
[0019] The method that utilizes hemp of the present invention to suppress tobacco root-knot nematode disease is as follows:
[0020] (1) In mid-September, select 10 acres of plots where tobacco root-knot nematode disease occurs in the training base of Yuxi Agricultural Vocational and Technical College, of which 6 acres are planted with hemp, 4 acres are used as a contrast, and 2600 holes per mu are used for ponds. Sow 2-3 seeds per hole. Soak the seeds in water for 4-8 hours before sowing the seeds.
[0021] (2) 45 days after the planting of S. hemp (early November), the S. hemp straw was harvested for the first time. After the harvest, the S. hemp stubble was watered and fertilized (N-P 2 o 5 -K 2 0, 15-15-15 compound fertilizer liquid) concentration is 5 / 1000, 2 kilograms per plant. Simultaneously, the harvested stalks were naturally air-dried for 1 day, and the stalks after the natural air-drying were crushed into small sections with a length of about 12 cm by using a m...
Embodiment 2
[0032] The method that utilizes hemp of the present invention to suppress tobacco root-knot nematode disease is as follows:
[0033] (1) In Ganbazi Village Committee, Dalongtan, Renhe District, Panzhihua City, Sichuan Province, a 10-acre plot where tobacco root-knot nematode disease occurred was selected, of which 6 acres were planted with hemp, and 4 acres were used as a control, and film was used in early February. The mode of transplanting seedlings is planted, and 2600 holes are made in ponds per mu, and 1-2 seedlings are planted in each hole. The cultivation method of Shuma seedlings is as follows: sow the Shuma seeds in the grid holes in the seedling-raising grid plate covering the seedling-raising matrix, the depth of seed implantation into the seedling-raising matrix is 0.2-0.5cm, and then cover the seeds with the seedling-raising matrix, and then Put the seedling raising tray into the seedling pond with a water depth of 2-5cm, add fertilizer solution to the pond wat...
Embodiment 3
[0041](1) In Ganbazi Village Committee, Dalongtan, Renhe District, Panzhihua City, Sichuan Province, a 10-acre plot where tobacco root-knot nematode disease occurred was selected, of which 5 acres were planted with hemp, and 5 acres were used as a control, which was adopted on February 6. The mode of transplanting seedlings under the film is planted, and 2600 holes are made in ponds per mu, and 1-2 seedlings are planted in each hole. The cultivation method of Shuma seedlings is as follows: sow the Shuma seeds in the grid holes in the seedling-raising grid plate covering the seedling-raising matrix, the depth of seed implantation into the seedling-raising matrix is 0.2-0.5cm, and then cover the seeds with the seedling-raising matrix, and then Put the seedling raising tray into the seedling pond with a water depth of 2-5cm, add fertilizer solution to the pond water after 2 days, wherein the fertilizer solution contains 150ppm nitrogen fertilizer, 150ppm phosphorus fertilizer, a...
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