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A method for treating and rejuvenating root-knot nematodes of agarwood seedlings

A technology for root-knot nematodes and agarwood, which is applied in horticultural methods, fertilization methods, botanical equipment and methods, etc., can solve the problems that root-knot nematodes can only be prevented and cannot be rejuvenated, so as to prevent plant rejuvenation and incomplete insecticide , the effect of fewer steps

Active Publication Date: 2021-03-02
河南林业职业学院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the problem in the prior art that root-knot nematodes can only be prevented and cannot be rejuvenated, the present invention proposes a method for treating and rejuvenating root-knot nematodes of Agarwood seedlings, and the present invention can not only cure Agarwood seedlings infected with root-knot nematodes , and can rejuvenate Agarwood seedlings infected with root-knot nematodes, and minimize the losses caused by root-knot nematodes

Method used

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  • A method for treating and rejuvenating root-knot nematodes of agarwood seedlings
  • A method for treating and rejuvenating root-knot nematodes of agarwood seedlings
  • A method for treating and rejuvenating root-knot nematodes of agarwood seedlings

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preparation example Construction

[0027] The preparation process of the new matrix bag: select 30cm×50cm non-woven bags, each bag is filled with a matrix prepared from river sand and laterite at a weight ratio of 1:3 to 4, and the matrix is ​​packed in The bags are exposed to the sun and disinfected before; each bag contains four-fifths of the amount, and the packed substrate bags are neatly placed on a flat open space covered by a permeable plastic film, and drenched with clean water.

[0028] What needs to be clarified is: after dipping the roots and soaking the bagged seedlings of the diseased Aquilaria sinensis in 40% phoxim emulsifiable concentrate, put them into a new substrate bag soaked with the substrate to ensure the moisture and grow.

[0029] Further, the preparation process of the 40% phoxim EC dilution is as follows: first expose the clear water to the sun for 2 days to remove the bleaching powder in the clear water, dissolve and dilute the 45% chlorpyrifos EC to a 550-fold liquid;

[0030] The ...

specific Embodiment

[0091] Specific examples: in March, 2016, 19,845 strains of agarwood bagged seedlings suffering from disease were treated, and good results were obtained. By the end of May, 2017: the average plant height increased by 1.56m, and the average diameter at breast height increased by 1.13cm. diameter increased by 2.61cm; the average plant height of dominant plants increased by 2.34m, the average diameter at breast height increased by 2.47cm, and the average ground diameter increased by 4.68cm; after the treatment, a total of 246 plants died in the big bag of Agarwood, the rejuvenation rate reached 98.76%, and the plants grew well. achieve the desired effect.

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Abstract

In order to solve the problem in the prior art that root-knot nematodes can only be prevented but not rejuvenated, the present invention proposes a method for treating and rejuvenating root-knot nematodes of Agarwood seedlings. After irrigating the roots by rotation at intervals of one month, the bagged seedlings of Agarwood in susceptible soil are rejuvenated by topdressing; wherein, the medicaments in the root irrigation treatment by rotation make the reduction rate of the second instar larvae of root-knot nematodes from high to low. Arranged in sequence, the specific agents used are: 40% phoxim EC, 3.2% abamectin EC, 3.2% high chloride emamectin emamectin microemulsion, 0.5% matrine aqueous solution. The invention has few steps, is suitable for field management, and can ensure the rejuvenation rate of the agarwood seedlings in susceptible soil to reach more than 95% while treating the root-knot nematode.

Description

technical field [0001] The invention relates to the field of cultivating Agarwood seedlings, in particular to a method for rejuvenating Agarwood seedlings after root-knot nematode treatment. Background technique [0002] Aquilaria sinensis (Aquilaria sinensis), also known as Baimuxiang, commonly known as daughter incense, Guanxiang, etc., is a tropical and subtropical evergreen tree species. National rare and endangered third-level protected plants and national second-level key protected wild plants. Agarwood is mainly distributed in South China, and Hainan Province is the representative production area of ​​Agarwood in my country. [0003] Root-knot nematode disease of Agarwood sinensis was discovered for the first time in 1994 when Wu Yingmei and others investigated the damage caused by root-knot nematode in Guangdong and Qiongqiong provinces. The roots of the affected Agarwood seedlings will form many root knots of indeterminate size and shape with rough surfaces, some ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G17/00A01G7/06A01C21/00
CPCA01C21/005A01G7/06A01G17/005
Inventor 徐睿王建陈德成董文统苏圣淞
Owner 河南林业职业学院