AMF+DSE combined fungicide and application thereof in preparing preparation for promoting cucumber growth and resisting root-knot nematode

A technology of resisting root-knot nematodes and combining inoculants, which is applied in the directions of nematicides, plant growth regulators, plant growth regulators, etc. , production reduction and other issues

Active Publication Date: 2015-09-02
QINGDAO AGRI UNIV
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  • Application Information

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Problems solved by technology

However, continuous cropping obstacles in production make cucumber soil-borne diseases, especially the morbidity and mortality of root-knot nematode diseases, continue to increase, resulting in large-scale production reduction, which has a great impact on cucumber cultivation. It is a more prominent problem in cucumber production today. one

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  • AMF+DSE combined fungicide and application thereof in preparing preparation for promoting cucumber growth and resisting root-knot nematode
  • AMF+DSE combined fungicide and application thereof in preparing preparation for promoting cucumber growth and resisting root-knot nematode
  • AMF+DSE combined fungicide and application thereof in preparing preparation for promoting cucumber growth and resisting root-knot nematode

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Embodiment 1

[0020] 1. Test material

[0021] Cucumber (Cucumis sativus, variety "Jinyou 35") was provided by Tianjin Kerun Agricultural Science and Technology Co., Ltd., and other common cucumber varieties can also be used; southern root-knot nematode (Meloidogyne incognita, Mi) was provided by Plant Protection of Qingdao Agricultural University Provided by the Nematode Laboratory of the College; DSE is Phoma leveillei F2-3-10 strain (Ph.l for short), provided by the Mycorrhizal Biotechnology Institute of Qingdao Agricultural University; AMF is Glomus mosseae (preserved No. Gm32), Glomus versiforme (preservation number Gv39), Acaulospora laevis (preservation number Al57), Glomus versiforme (preservation number Sa97), preservation number Gm32, preservation number Gv39, the preservation number Al57 and the preservation number Sa97 are all provided by the Mycorrhizal Biotechnology Research Institute of Qingdao Agricultural University. The AMF in the present invention can also use other AMF s...

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Abstract

The invention provides an AMF+DSE combined fungicide and application thereof in preparing a preparation for promoting cucumber growth and resisting root-knot nematode. Different AMF+DSE combinations are adopted for inoculation experiment on cucumber, and the influences of the infection rates, the arbuscular insertion rates, the arbuscular types and the like of different AMF+DSE combinations on cucumber growth and development and the root-knot nematode disease are analyzed. The experiment result shows that the optimal AMF+DSE combination for resisting root-knot nematode is G.m+S.a+A.1+Ph.1, plants treated by using the combination are highest in plant height, stem thickness, overground part dry weight, root system dry weight and single plant yield but is lowest in disease index, the optimal combined fungicide has the effects of promoting cucumber growth and resisting root-knot nematode, and theoretical basis is provided for further exploration of mutual action and mechanisms of AMF and DSE.

Description

technical field [0001] The invention belongs to the technical field of plant protection, and in particular relates to an AMF+DSE combined bacterial agent and its application in preparing a preparation for promoting cucumber growth and resisting root-knot nematodes. Background technique [0002] Arbuscular mycorrhizal fungi (AMF) are important members of terrestrial ecosystems and can establish mutualistic symbionts with plant roots. AMF can improve the mineral nutrition of plants, enhance plant disease resistance, improve plant stress resistance in extreme environments, help plants resist the invasion of pathogenic bacteria, improve soil aggregate structure, and promote high and stable yield, high quality and high efficiency of crops. The characteristics of AMF infecting plant root tips indicate that the ecological niche of this fungus is the same as that of soil-borne pathogens, which creates unique conditions for antagonizing pathogens. More importantly, the huge mycelial...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12N1/14A01N63/04A01P5/00A01P21/00C12R1/645
Inventor 刘润进高春梅
Owner QINGDAO AGRI UNIV
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