Cultivation method for improving potato beetle resistance of purple-flower white potatoes

Abstract

The invention discloses a cultivation method for improving potato beetle resistance of purple-flower white potatoes. The cultivation method comprises the following steps: selecting disease-resistant purple-flower white potato special varieties with high quality, high yield, strong stress resistance, adaptability to local cultivation conditions and good commodity characteristics as potato seeds, and accelerating germination of the potato seeds; applying a decomposed manure, urea, mono-ammonium phosphate, and zinc, manganese and boron fertilizers to soil, and performing soil preparation and plowing treatment; obtaining potato seed diced tubers by virtue of germination, bud strengthening and dicing technologies, then seeding, and covering a 90cm narrow film; and during growth and development of the purple-flower white potatoes, performing drip irrigation and drip fertilization treatment on the purple-flower white potatoes. By virtue of the comprehensive measures, the cultivation method disclosed by the invention improves the potato beetle resistance of the potatoes, the seedling stage is reduced by 73.34%, the bud stage is reduced by 86.67%, the flowering stage is reduced by 72.22%, the maturation stage is reduced by 48.89%, the whole growing stage is reduced by 70.28%, and the yield is increased by 52.34% compared with that of conventional cultivation, so that the cultivation method has wide practicability.

Description

field of invention [0001] The invention relates to the technical field of agricultural production, in particular to the technical field of a method for improving the resistance of purple-flowered white potatoes to potato beetles by using cultivation techniques. Background technique [0002] Potato is one of the five staple foods in my country. It has high nutritional value, strong adaptability, and large yield. In recent years, it has played an increasingly important role in ensuring food security and has received extensive attention from government departments. In 2010, China released the twelfth five-year plan for the potato industry, which mentioned that by 2015, China's total potato production will reach 150 million tons, the planting area will reach 120 million mu, and the compound annual growth rate will reach 13%. . However, the traditional potato planting method requires plowing the entire field, fertilizing and sowing, intertillage weeding and potato digging. The p...

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Problems solved by technology

The rice straw mulching no-tillage potato cultivation method proposed in the Chinese Patent Publication No. CN103493653A document cannot make potatoes resistant to potato beetles and is susceptible to the threat of diseases and insect pests, and can affect the yield of potatoes; "disclosed the impact of fertilization on potato beetles, but there is no research on how to use fertilization, irrigation, cultivation and other technologies to improve the ability of different varieties of potatoes to resist potato beetles and increase potato yield

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