Red eggplant pear
American variety, budding of eggplant pear. It is the only precocious pear variety with the most beautiful appearance and comprehensive purplish red. It has been introduced and planted in Jiangsu, Liaoning, Hebei, Henan and many other provinces (cities and autonomous regions), such as Yunnan, Beijing, Shanxi, Shandong, Sichuan, Hubei, Gansu, Shaanxi, Inner Mongolia, Anhui, Guangdong and so on.
The fruit is large, with an average weight of 131 grams per fruit. The fruit is in the shape of a thin-necked gourd, the pericarp is all purplish red, the fruit surface is smooth and waxy, the appearance is quite beautiful, and the fruit spot is small but not obvious. Fruiting pedicel 3.9 cm long, 4.2 mm thick, fleshy and whorled wrinkled at the junction of pulp; sessile depression. Sepals persistent, small and erect; Bodhwa shallow, medium wide, wrinkled. The core of the fruit is large, with 5 ventricles. The flesh is milky white, the flesh is fine and slightly tough, cooked after 5-7 days, the meat becomes soft and soluble in the mouth, juicy, few stone cells, sweet and sour taste slightly fragrant, quality and so on. Contains 11%-13% soluble solids. In Xingcheng, Liaoning Province, the fruit matured in the middle of August, which is an early-maturing variety. The fruit can be eaten raw, not resistant to storage, and can be stored for about 15 days. The growth potential of the plant is moderate, the germination ability is strong, the bud germination is 63.88%, and the branching ability is weak. The height of the 5-year-old tree is 2.57 meters, the stem circumference is 17 centimeters, and the crown diameter is 0.92 meters × 0.87 meters. Enter the mid-term of the results, properly managed, and the results can be achieved 4 years after planting. All types of fruiting branches of annual trees can bear fruit, but most of them are short fruit branches. According to the survey, the short fruit branches are 76.06%, the medium fruit branches are 11.28%, and the fruit branches are 12.66%, with an average of 1 to 2 fruits per sequence, which is relatively high and stable. The fruit falls lightly before harvest. In Xingcheng, Liaoning Province, flower buds begin to sprout in mid-April, early flowers in early May, blooming and final flowers in mid-May, fruit ripening in mid-August and defoliation in early November. The days of fruit development and vegetative growth were 97 days and 208 days respectively.
This variety has strong adaptability and strong cold resistance. except that the ability of resistance to rot is not as good as that of eggplant pear, other characters are similar to eggplant pear. The fruit is of medium size, good quality, beautiful appearance and high yield. As an early-maturing and excellent variety, it can be properly developed in the suburbs, and at the same time, it can be used as an ornamental variety to develop an appropriate amount of potted plants.
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Lianwu (Yangpu peach) cultivation
Lianwu fruit taste sweet, with apple aroma, is a cheap and good summer food. Lianwu originated from India, Malay Peninsula (mostly Java), Andaman Islands and other archipelago, and is now widely distributed in the tropical areas of the world. It has been introduced and cultivated in China for more than 400 years. At present, it is cultivated in Taiwan, Hainan, Guangdong, Guangxi, Fujian and other provinces. Domestic fine varieties of products have high market prices, are deeply welcomed by consumers, and have good development prospects. 1. Distribution and characteristics of lotus flower in China
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The harmfulness of Dendrolimus punctatus and its control
It mainly harms the leaves, and when serious, the leaves of the whole tree are eaten up. 1) cut off the egg branches and kill them centrally, 2) spray 800 times of Bacillus thuringiensis wettable powder during the larval incubation period.
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