Registration Number: Guangdong Dengguo 2008007
Breeding Unit: Institute of Fruit Research, Guangdong Academy of Agricultural Sciences, Xinxing County Agricultural Extension Station, Xinxing County Bureau of Science and Technology, Zhongkai University of Agriculture and Technology
Variety source: fresh plum fruit good quality single plant
Characteristics: Xinbaimei Qingmei is a new strain that was selected from a 20-year-old bred and green plum group from Huzishanjigongchang, Xipinghe Village, Taiping Town, Xinxing County. The field performance showed that the canopy was open, the growth was strong, the branching force was strong, and the number of branch shoots was large; as a result, the percentage of short branches of the mother branches was 71%, which was 36.5% higher than that of the control species; the flowers were more robust and the percentage of complete flowers was higher (total The amount of flower is 91%); the young fruit has strong ability to resist cold weather and rain, which is the biological basis for its high yield and stable production. The fruit has high acid content and total acid content of 6.33g/100g, which is 6.0% higher than that of wrinkled leaf plum, 15.8% higher than Tianshuimei and 21.6% higher than Puning's main cultivar, soft branch and large grain plum. The fruit size is more uniform and average. With a weight of 21.9 grams and an edible rate of 91.2%, the peel has a smooth surface, a thin skin, a yellowish-yellow skin, and a small amount of redness on the sunny side. The fruit has a good appearance. The flesh is light green and white, and the meat is fine and brittle, and the flavor is thick and sour. The incidence of fruit scab was 3.2%, which was 26.8% lower than that of the control species, and 12.43% lower than Tianshuimei.
Yield performance: Average yield of 28.0 kg per 6-year-old was 34.3% higher than that of control species.
Cultivation techniques: (1) Colonization in early December, 4 to 4 meters of plant spacing, 41 or 33 acres of planting, and allocation of 10% of the pollinating tree; (2) Results of tree fertilization 3 times per year: 1 fertilizer before flowering. Each plant applied manure, 2 kg of bran fertilizer, 1 kg of calcium magnesium phosphate fertilizer, and 50 grams of borax. After defoliation, it was applied immediately before budding; Each application of urea 1 kg, potassium sulfate compound fertilizer 0.5 kg; 3 strong fruit fertilizer. Each application of potassium sulfate compound fertilizer 0.3 to 0.5 kg. During the flowering and fruiting period, zinc sulfate, magnesium sulfate, borax, and potassium dihydrogen phosphate were sprayed on the leaves (concentrations were both 0.3%). Before the rainy season, lime is applied in the tree trays, 1 to 1.5 kilograms per plant to improve the soil and increase calcium; (3) The dense branches, overlapping branches, and pests and branches are eliminated to form natural trees with a height of 2.5 to 3.0 meters. Happy tree crown. (4) Focus on the prevention and control of anthrax, black spot disease, sulfur rubber and aphids.
The provincial product review meeting registered opinion: Xinbaimeiqingmei shall be registered in compliance with the conditions for the registration of crop varieties in Guangdong Province.
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