Successful cultivation of Black Potato in Heilongjiang Province
The potatoes people see in life are yellow or white, and now a black potato has been successfully cultivated in Mudanjiang City, Heilongjiang Province. This potato is dark purple in appearance, oblong in shape and dark purple in flesh. Its starch content is higher than ordinary potato, taste than ordinary potato "noodles". Li Hongxing, senior agronomist of Mudanjiang City Vegetable Science Research Institute, said that this kind of potato has been successfully cultivated after 4 years. After years of additional generation cultivation, 0.4 hectares have been cultivated so far. Last autumn, the harvest reached 8500 kg, which can be widely promoted from this year.
According to preliminary analysis by agricultural experts, this potato is black and purple because it contains a lot of anthocyanins, which have anti-aging effects on the human body. The potato has the characteristics of developed main stem, few branches, strong growth potential and strong disease resistance. The yield of 667 square meters reaches 1500 kg, which is about 20% higher than that of ordinary potato varieties. At the same time, due to the improvement of disease resistance of this variety, the dosage of pesticides in production is greatly reduced, which is conducive to the production of pollution-free and pollution-free green food.
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Black potatoes are bred in Heilongjiang
The potatoes people see in life are all yellow or white, and now a kind of black potato has been successfully cultivated in Mudanjiang City, Heilongjiang Province. According to reports, the outer skin of this kind of potato is black, the potato piece is oblong, and the cut potato meat is dark purple. Because the starch content of this kind of potato is higher than that of ordinary potato varieties, the taste of this potato is better. Experts from the vegetable Institute of Mudanjiang City said that it took four years for this kind of potato to be successfully cultivated. After years of cultivation, the breeding area has reached 5 mu so far, and it is expected to harvest this autumn.
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Occurrence and Control of Potato Black Shank Disease in Heilongjiang Province
Black shank disease occurs to varying degrees in various potato producing areas, with a mild incidence of 2%-5% and a serious incidence of 40%-50%, which often causes seedling breakage and seed potato rot in the field. In recent years, the harm of the disease in our province has a trend of increasing year by year, which greatly reduces the quality, yield and commercial potato rate of potato. In order to effectively prevent the disease, we must accurately identify its symptoms, clearly understand the law of the disease, and skillfully master the technology of comprehensive prevention and treatment. 1 symptom recognition 1.1 symptoms of black shank disease can occur throughout the growth period, the main
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