Successful breeding of New Potato varieties in Hebei Province
Jizhang Weishu 9, a new potato variety bred by Hebei Alpine crop Research Institute (postcode: 076450, telephone: 0313-5224631), recently passed the variety approval of Hebei Province.
The variety is a medium-ripe variety with a growth period of 87 days (from emergence to maturity), brown potato skin, white potato meat, shallow bud eyes, concentrated tubers, and 71-75% productivity of large and medium potatoes. Resistance to late blight. The starch content is 16.3%, the dry matter content is 23.8%, the reducing sugar content is 0.18%, the crude protein content is 2.78%, the vitamin C content is 14.3 mg / 100 g, the tuber has good storability, is resistant to dry rot, and is suitable for French fries processing. The average yield per mu is 1604.7 kg.
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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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Cooperation 88 (Potato)
"Hezuo 88" was selected by Yunnan normal University Institute of Potato crops and Huize County Agricultural Technology Center using 42 hybrid combinations provided by the International Potato Center in 1990. It passed the provincial examination in 1994 and entered the agricultural extension system of Yunnan Province in 1995 after being approved by the expert appraisal meeting. It was approved by Yunnan crop Variety approval Committee in 2001 and named Yunnan Potato No. 4. The plant type of "Hezuo 88" is erect, the leaves are dark green, the stems are green and purple, and the leaves are compound.
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