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Botanical reagent for prevention and treatment of meloidogyne and preparation and use method thereof

A root-knot nematode, plant-derived technology, applied in the fields of botanical equipment and methods, nematicides, plant growth regulators, etc., can solve problems such as harming the health of future generations, drug residues, harming the health of consumers, and reducing The harm of root-knot nematodes and the effect of good control

Inactive Publication Date: 2016-03-23
BEIJING ACADEMY OF AGRICULTURE & FORESTRY SCIENCES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] Among the above-mentioned control methods, the control of root-knot nematode by drugs is active control, and the others are auxiliary methods. However, a large amount of chemical agents are used for control, which will cause a large amount of drug residues in the crops and soil, which will harm the health of the eaters and cause harm. The health of future generations, and the prevention is not very effective

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0030] The extract is made from freshly harvested sorghum in the mid-filling stage and castor plants in the flowering and seeding stage together with stems and leaves. The preparation method of the medicament includes the following steps:

[0031] (1) Collect the sorghum in the mid-filling stage and the castor plant in the flowering and seeding stage together with the stems and leaves, remove impurities and wash them for later use;

[0032] (2) Add the product of step (1) into the pulverizer to squeeze the juice;

[0033] (3) Filter the solid-liquid mixture after squeezing the juice, filter out the residue, and add potassium sorbate with a liquid weight of 0.35‰ to make an extract.

Embodiment 1

[0035] Choose 3 greenhouses for planting beans, each with one mu of land, and divide them into three groups, each with one mu, named A, B, and C respectively; the soil composition and pH of A, B, and C are the same, so The temperature, humidity, wind, and light of the area are the same, the water source is the same, and the field is managed in the same way.

[0036] Plants A, B, and C were planted with the same variety of bean, and the plants were planted at the same density and managed in the same way.

[0037] A uses the plant source medicament of the present invention, B uses traditional chemical medicament, and C does not use any medicament.

[0038] In A: the extract with the sorghum in the mid-filling stage and the castor plant in the flowering and seeding stage together with the stems and leaves as raw materials is used in the following way:

[0039] (1) Mix the extract with water at a weight ratio of 1:18-20, and then add 0.1% washing powder to prepare root irrigation...

Embodiment 2

[0046] Select 3 greenhouses for growing cucumbers, each of which is one mu of land; divide them into three groups, each group is one mu, and one of the greenhouses is named A, the other greenhouse is named B, and the other greenhouse is named C; A, B The soil composition and pH are the same as those of C, the species are the same, the temperature, humidity, wind force, and light in the area are the same, the water source is the same, and the greenhouse is managed in the same way.

[0047] Shed A uses the medicament of the present invention, Shed B uses traditional chemical medicament, and Shed C does not use any medicament.

[0048] The control effect of shed A was 79.5%, and root-knot nematodes in the whole crop were completely prevented and controlled.

[0049] The control effect of shed B was about 69.85%, and the recurrence rate of root-knot nematode was relatively high.

[0050] In C, the production has been reduced in a large area, and some cucumbers have no commercial va...

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PUM

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Abstract

The invention discloses a botanical reagent for prevention and treatment of meloidogyne and a preparation and use method thereof. The raw material is the extract liquid of sorghum at the medium term of grouting and ricinus communis plants at the blossoming and fruit bearing stage. The method is characterized by including the steps of: (1) conducting raw material pretreatment; (2) performing juicing in a pulverizer; (3) filtering a solid-liquid mixture; (4) adding a preservative and conducting storage for standby use; and (5) diluting the extract liquid with water, then subjecting the diluted liquid to root-irrigation or spray to crops so as to play a role of prevention when meloidogyne does not attack the crops and play a good role of control when meloidogyne attacks the crops. The botanical reagent produced from sorghum and ricinus communis plants has the characteristics of high efficiency and quick effect in control of meloidogyne. Also the reagent is added with a preservative, so that the prepared reagent can be stored for a long time and is convenient for use at any time. The process involved in the invention is simple and reduces the production cost. Also the botanical reagent provided by the invention is safe to use and pollution-free, and has wide application prospect.

Description

technical field [0001] The invention belongs to the technical field of crop pest control, in particular to a plant-derived medicament for preventing and controlling root-knot nematodes and a preparation method thereof. Background technique [0002] Root-knot nematode (Meloidogyne) is a highly specialized omnivorous plant pathogenic nematode. For root-knot nematode disease, it is necessary to strictly implement the plant protection policy of focusing on prevention and comprehensive control, focus on agricultural control and physical control measures, and cooperate with the comprehensive application of chemical and biological control measures to effectively prevent its occurrence and hazards. [0003] Nematodes have a wide range of hosts and often damage more than 30 kinds of vegetables such as various melons, solanaceous fruits, beans, radishes, carrots, lettuce, and cabbage, and can also spread some fungal and bacterial diseases. Nematodes that are known to damage vegetabl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/44A01P5/00A01P17/00A01G13/00
CPCA01G13/00A01N65/00A01N65/44A01N2300/00Y02A50/30
Inventor 康总江魏书军王泽华宫亚军朱亮陈金翠金桂华
Owner BEIJING ACADEMY OF AGRICULTURE & FORESTRY SCIENCES
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