Potting round jujube
Variety source: Jinling round jujube is a rare fresh jujube variety found in the investigation of jujube resources in 1993. the century-old mother tree grows on the cold hillside in the west of Liaoning province and still has a high yield. After being selected as the superior line, through nearly ten years of breeding and experimental observation, the genetic performance is stable. In September 2002, it passed the appraisal of scientific research achievements of Liaoning Provincial Department of Science and Technology, and in September 2002, it was approved by the Forest Variety examination and approval Committee of Liaoning Forestry Department.
Variety characteristics: the fruit is nearly round, the average weight of single fruit is 26g, and the size of fruit is uniform. The color is deep red and bright, the skin is thin, the flesh is green and white, crisp and delicious. Fresh jujube soluble solids content 32.4%, vitamin C429.3 mg/100g, edible rate 96.7%, quality. 2-year-old plants produced 0.6kg, 3-year-old plants produced 5.9kg, 4-year-old plants produced 8.8kg, 9-year-old plants produced 21.5kg, and the highest plant produced 31kg. Resistant to cold, drought and barren.
Adaptive area: suitable for promotion in the south of 42 degrees north latitude. At the same time, it is also suitable for popularization and cultivation in cold and arid areas with similar natural environmental conditions such as Chaoyang climate and soil, and is more suitable for introduction and cultivation in areas where soil and climatic conditions are better than Chaoyang in China.
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Symptoms of dry edge disease of apricot leaves
Apricot leaf dry edge disease is a common physiological disease in apricot trees, which occurs in all apricot producing areas and is more serious in the north. Apricot leaf dry edge disease only harms the leaves. Generally, symptoms appear first from the edge of the leaf, which dries up at the initial stage, and sometimes the dry part falls off. The disease spot gradually extends into the leaf, and the boundary between the edge and the healthy part is obvious. The seriously injured leaves curl to the front and often fall early.
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Nanguoli No. 3
"Nanguoli No. 3" was bred successfully by Jiao Yanying, Fushun Specialty Science Research Institute, Liaoning Province. It is a new variety of Qiuzi pear bud mutation. It was approved by Liaoning Province Crop Variety Approval Committee in October 1998 and named "Nanguoli No.3". Its characteristics are as follows: pink flower, 5 petals, corolla transverse diameter 2.4 cm-2.8 cm, 5 pistils, 18-23 stamens; large fruit, average fruit weight 90 g-110 g; red pericarp, fruit containing organic acid 0.367%, vitamin C
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