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A kind of method that betaine treatment improves disease resistance of cassava

A technology of betaine and cassava, applied in the field of cassava disease resistance, to achieve the effect of easy operation, maintaining sustainable and healthy development, and improving disease resistance

Active Publication Date: 2020-11-24
HAINAN UNIVERSITY
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AI Technical Summary

Problems solved by technology

At present, there is no method to quickly improve the disease resistance of cassava, so it is of great significance to use exogenous substances to improve the disease resistance of cassava, so as to maintain the sustainable and healthy development of cassava industry

Method used

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  • A kind of method that betaine treatment improves disease resistance of cassava

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Embodiment 1

[0023] Embodiment 1: Betaine induction treatment improves the test example of disease resistance of cassava

[0024] A. Planting:

[0025] First, fertilize the seedling land, plow it 15-20 cm deep, and level it off. Apply enough base fertilizer once, every 667m 2 Apply 2000-3000 kg of decomposed farmyard manure (including pig manure, cow manure, and sheep manure), and add 40-60 kg of compound fertilizer per mu (containing high-concentration potassium sulfate and nitrate nitrogen, and the total nutrients are not less than 45%). Apply 50-60 kg of ammonium bicarbonate per mu. Level the bed surface and make a seedbed.

[0026] Cassava is grown by stem cuttings. Planting is carried out in late spring (at the end of April), and the planting density is 5 roots / ㎡. Bury 2 / 3 of the length of the stem into the planting ditch at an angle of 15 / 20 / 25 / 30 / 35 / 40 / 45 degrees to the ground, 1 / 3 of the stem is exposed to the topsoil, and press it after cutting to make the stem contact with t...

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Abstract

The invention discloses a method for improving the disease resistance of cassava through betaine treatment. The method includes the following steps that an allogenic material betaine solution with theconcentration of 25-400 microns is continuously sprayed to leaves of cassava seedlings in any period of the growth stage for 5-14 days. The method is easy to carry out, easy and convenient to operateand rapid in effect taking, the disease resistance of the cassava on the bacterial wilt disease can be improved within a short time, and great significance is achieved for maintaining continuous andhealthy development of the cassava technology.

Description

technical field [0001] The invention belongs to the technical field of cassava disease resistance, and in particular relates to a method for improving cassava disease resistance through short-time betaine treatment. Background technique [0002] Cassava (Manihot esculenta Crantz), belonging to the Euphorbiaceae cassava plant, is one of the three major tuber crops in the world (potato, sweet potato, cassava). It has the reputation of underground granary, king of starch and special crops. Starch crops are also the main source of food for more than 700 million people in the world, and are widely used in food, feed processing, and industrial raw materials. Cassava has many advantages such as drought and barren tolerance, coarse growth and easy growth, low requirements on land, relatively low production cost, high photosynthetic efficiency, etc., and has been widely planted all over the world. In recent years, my country's cassava planting area has reached more than 500,000 hect...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G2/10A01G22/25A01G7/06
CPCA01G2/10A01G7/06A01G22/25
Inventor 韦运谢施海涛刘国银方娇
Owner HAINAN UNIVERSITY
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