Peach fruit moth
Latin scientific name: CarposinaniponensisWalsingham
Distribution area:
Morphological features: adult body length 7 mm 8 mm, wingspan 16 mm 18 mm, grayish brown. There is a blue-gray approximate triangular spot in the middle of the leading edge of the forewing. There are 7 clusters of blue-brown oblique clusters of scaly hairs on the wing surface. The lower lip of the female is longer and the male is shorter. Oval, red, with 2 or 3 circles of zigzag bristles at the top. the larva is 13-16 mm long, pink, and the forechest dorsal plate is brown. the little larva is yellow-white. No buttocks. Pupa 6-8 mm long, yellowish-white gradual yellowish-brown. Winter cocoon is flat and round, silk is compact; summer cocoon is fusiform and soft. All are covered with soil grains.
Harmful crops: Apple jujube Hawthorn peach
Symptoms of damage: peach fruit moth larvae only damage the fruit. After the small larvae eat the fruit, the wormhole overflows with bead-like juice and dries up with white film marks. The larvae ate the pulp in the fruit, and the fruit became deformed in the young fruit stage. The larvae discharge their feces in the fruit and lose their edible value.
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The latest variety of pear: Xueqing
The latest pear variety of Xueqing pear was bred by Snow Flower and the new century. The scion was introduced from Zhejiang University in Luhao Farm of Yuyao City on November 28, 2000. Through high grafting technology and careful cultivation and management, all the pears were put into production, and the maximum yield of one plant reached 15 kilograms. The farm planted 80 mu. Growth and fruiting habits: the plant grows strongly, the tree shape is more open, the growth potential is stronger, the branching and sprouting rate is high, the flower bud is easy to form, the axillary flower bud is many, the fruit is spherical, the fruit weight is 300-400 grams, the maximum can reach more than 700 grams, after maturity.
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The management technology of snow jujube should not be too rough.
Snow jujube is favored by people for its excellent quality, and it has a large development area in recent years. However, there are some problems in production, such as small fruit, difference in size, poor coloring, light flavor and so on. Take the following measures, can effectively improve the situation. The main results are as follows: 1. Organic fertilizer is applied in late September every year (before and after fruit harvest), and 100 kg of farm manure and 2 kg of calcium magnesium phosphate fertilizer are applied to fruiting trees. 2. The tree plate is covered with grass in the middle of September (fruit expansion period). The thickness of the grass cover is 15ml / 20cm, and the new grass protection is added every year.
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