A kind of plant immune inducer and its application
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An immune inducer, plant technology, applied in the direction of plant growth regulator, plant growth regulator, application, etc., to achieve the effect of reasonable mixing ratio, promotion and increase of yield
Active Publication Date: 2018-06-15
HANGZHOU ACAD OF AGRI SCI
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[0009] However, at present, there are few research reports on the use of plant inducers to control corn leaf spot, and there are few reports on the use of different types of elicitors to prepare plant inducers for the study of corn leaf spot
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preparation example Construction
[0026] The preparation method of the plant immune inducer in the following examples adopts the conventional pesticide preparation method, that is, after mixing and dissolving each component in water, the immune inducer of the present invention is obtained. The raw materials of the immune inducer of the present invention can be obtained commercially.
[0027] 1. Test materials
[0028] The waxy corn hybrid 'Zhefengnuo 3' was provided by Zhejiang Wuwangnong Seed Industry Co., Ltd.
[0029] 2. Crop planting methods
[0030] In 2014, it was planted in Zijingang Farm, Zhejiang University, Xihu District, Hangzhou City, in spring and autumn. The area of the plot was 0.02 mu, and it was repeated 3 times. In spring, it was broadcast live on May 9, 2014, and harvested uniformly on July 25, with a planting density of 3,600 plants / mu; in autumn, it was broadcast live on August 4, and harvested uniformly on October 24, with a planting density of 3,800 plants / mu.
[0031] 3. Applicatio...
Embodiment 1
[0035] A plant immune inducer, based on 1 kilogram of total weight, the consumption of each component is:
[0036] Tween-20 0.1g;
[0037] Potassium dihydrogen phosphite 1.0g;
[0038] The balance is water.
Embodiment 2
[0040] A plant immune inducer, based on 1 kilogram of total weight, the consumption of each component is:
[0041] Tween-20 0.1g;
[0042] Amino oligosaccharins 0.1g;
[0043] The balance is water.
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Abstract
The invention discloses a plant immune inducer and an application thereof. The immune inducer contains 0.001-0.02% of amino oligosaccharin and 0.01-0.2% of phosphite in terms of weight percentage. The present invention combines amino oligosaccharin and phosphite, and the mixing ratio of each component of the obtained immune inducer is reasonable. When applied to corn, it not only has good control effect on small spot disease, but also can increase the yield of corn, realizing the realization of Synchronization of loose powder and spinning.
Description
technical field [0001] The invention relates to the technical field of biological pesticides, in particular to a plant immune inducer and its application. Background technique [0002] The original bacterium of corn southern leaf blight is Helmin--thosporium maydis Nisikado & Miyabe., which belongs to the subphylum Deuteromycota. Ascus black, subspherical, size (357~642)×(276~443) μm, ascus apex blunt, base with short stalk, base size (124.6~183.3)×(22.9~28.5) μm. There are 4, 3 or 2 ascospores in each ascus. The ascospores are long linear, intertwined in the ascus in a spiral shape, with a septum, and the size is (146.6-327.3) × (6.3-8.8) μm. Asexual conidiophores are scattered on both sides of spore spots on diseased leaves, protruding from stomata or epidermal cell gaps on leaves, 2-3 bundles or solitary, yellowish brown to brown, straight or knee-shaped , the basal cells are large, the apex is slightly thinner and lighter in color, the lower part is thicker in color, ...
Claims
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