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Method for biologically preventing and controlling root-knot nematode of okra
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A root-knot nematode and biological control technology, applied in botany equipment and methods, plant protection, horticulture, etc., can solve the problems of crops and soil pesticide residues, the inability to realize paddy and dry crop rotation, and harmful to people's health, and achieve good results , increase planting income, and significant comprehensive benefits
Inactive Publication Date: 2018-03-20
FUJIAN ACADEMY OF AGRI SCI SUBTROPICAL AGRI RES INST
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Summary
Abstract
Description
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Problems solved by technology
At present, the commonly used control methods are paddy and dry crop rotation and chemical pesticide control, such as: abamectin, damelong, thiazophos and metabam, etc., but many areas cannot realize paddy and dry crop rotation, and a large amount of chemical pesticides are used for control. Will cause crops and soil pesticide residues, harmful to people's health
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Examples
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Embodiment 1
[0026] Example 1, in the experimental base of the Institute of Agricultural Sciences, Fujian Academy of Agricultural Sciences, Zhangzhou City, okra was planted on May 6, 2017, and the okra variety was Min okra No. 3. Set up 4 treatments, 3 repetitions, arranged in random blocks, the area of the plot is 86m 2 , except for the required measures, other management measures are exactly the same. The root-knot nematode disease selected in the field test is extremely serious, and the crop kenaf planted in the previous stubble has reduced yield by more than 30%.
[0027] Process 1: cultivate okra according to the method of the present invention, and concrete technical scheme is as follows:
[0028] (1) Seedling cultivation: Soak the okra seeds for 12 hours, place them at 28°C to accelerate germination, and sow them in 72-hole trays;
[0029] (2) Set up cultivation ridges: Before planting, deeply plow and rake the soil, and prepare the land to make furrows. The furrows are 1.0m wid...
Embodiment 2
[0047] Example 2, in the experimental base of the Institute of Agricultural Sciences, Fujian Academy of Agricultural Sciences, Zhangzhou City, okra was planted on May 6, 2017, and the okra variety was Min okra No. 3. Set up 3 treatments, 3 repetitions, arranged in random blocks, the area of the plot is 86m 2 , except for the required measures, other management measures are exactly the same. The root-knot nematode disease selected in the field test is extremely serious, and the crop kenaf planted in the previous stubble has reduced yield by more than 30%.
[0048] Treatment 1: Same as Treatment 1 in Example 1.
[0049] Treatment 2: Except that fast lettuce is not planted before okra planting, other measures are completely the same as treatment 1 in Example 1.
[0050] The preparation of the diluent of perilla leaf extract is the same as the treatment 1 in Example 1.
[0051] Treatment 3: Except that the okra is not drip-irrigated with the diluent of the perilla leaf extrac...
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Abstract
The invention discloses a method for biologically preventing and controlling root-knot nematode of okra. According to the invention, fast-growing vegetable for attracting root-knot nematode is interplanted to okra, a diluentdrip irrigation technology of a perilla leaf extracting solution is combined, and no chemical pesticide is used, thus effectively preventing and treating root-knot nematode ofokra, increasing the output of okra, meeting the idea of environment protection and low carbon, not only can fast-growing vegetable be picked, but also okra can be picked, and the planting benefit isincreased. The method has a preventing and treating effect reaching 85.2-87.3% for root-knot nematode of okra, and the output of okra is increased by 18.9% in comparison with a conventional preventing and treating method.
Description
technical field [0001] The invention relates to a method for biological control of root-knot nematode of okra, belonging to the technical field of green control of root-knot nematode of vegetables. Background technique [0002] Root-knot nematode damage is one of the main hazards in the production process of okra, which can cause more than 30% reduction in okra production. Due to the limited cultivated land area, the multiple cropping index of okra increased year by year, and the phenomenon of continuous cropping was serious, resulting in the increase of root-knot nematodes year by year. At present, the commonly used control methods are paddy and dry crop rotation and chemical pesticide control, such as: abamectin, damelong, thiazophos and metabam, etc., but many areas cannot realize paddy and dry crop rotation, and a large amount of chemical pesticides are used for control. It will cause pesticide residues in crops and soil, which is harmful to people's health. [0003] T...
Claims
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Application Information
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IPC IPC(8): A01G22/05A01G13/00
CPCA01G13/00
Inventor 练冬梅姚运法洪建基赖正锋林碧珍
Owner FUJIAN ACADEMY OF AGRI SCI SUBTROPICAL AGRI RES INST
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