Analysis on the present situation and Prospect of Japanese Pear production in China
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Nanguo pear
It originated in Anshan area of Liaoning Province. Widely cultivated in the middle and south of Northeast China, it is an excellent local variety of Qiuzi pear and is suitable for cultivation in the north. The fruit is small, with an average weight of 58 grams per fruit. Round or oblate, the pericarp is green and yellow, the background becomes yellow after ripening, and the sun has a bright red halo. Fruiting pedicel short and thick, sepals residual, sometimes glabrescent. The appearance is quite beautiful. The fruit can be eaten after harvest, and the meat is crisp and juicy. After 15 days of ripening, the flesh became yellowish-white, soft, sweet, juicy, easily soluble in the mouth, strong fragrance and soluble solid.
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Occurrence and Control of Jujube Mad Disease
Jujube mania is a destructive disease, which should be prevented. It is very popular in jujube producing areas in China. Once the disease occurred, there were few results in the second year, even if the results lost their edible value, and the whole plant died 3-4 years later. The main results are as follows: 1. the main reason for the occurrence of jujube wind disease is the invasion of mycoplastids. Bacteroid plastids can be transmitted by grafting. Under natural conditions, the natural grafting of roots between plants can also spread, and some leafhoppers are also disseminators of mycoplastids. 2. Comprehensive control measures 1. Breeding and disease resistance
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