Schisandra chinensis
It happened from July to August. The larvae are white at first and green later. The first instar insect bites on the mesophyll, and after the 3rd instar, it rolls the leaves to feed, which affects the fruit development.
Prevention and control methods:
① larvae were sprayed with 80% trichlorfon 1 000-1500 times before rolling leaves.
② leaves are rolled and sprayed with 40% dimethoate EC 1000-1500 times.
③ 50% phoxim 1500 times liquid spray.
④ 50% ammonium phosphate EC 2000 times liquid spray.
⑤ larvae can also be captured artificially before and after leaf curling.
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Techniques for cultivating improved varieties of Schisandra chinensis
Schisandra chinensis is a magnoliaceae plant, is a valuable Chinese medicine, with lung, kidney, antiperspirant, antidiarrheal, astringent essence effect. Schisandra chinensis likes humid environment (but is not resistant to low-dust flooding), cold-resistant, needs moderate shade, suitable for humus soil or loose and fertile loam. It has strong adaptability and can be planted in the north and south of our country. Often wild in coniferous and broad-leaved mixed forests, gullies, both sides of streams, small trees and bushes or forest margins and open places in the forest. Breeding methods of improved varieties: 1. Seeds reproduce. After the autumn fruit is harvested, the fruit is removed.
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Preparation of Schisandra chinensis wine
1. Because the fruit of Schisandra chinensis has low sugar and high acid, the mixed fermentation method of adding white granulated sugar solution to dilute acidity is adopted. two。 Adjust the alcohol content of the artesian juice to about 13 °(volume%), freeze and filter. Specific operation: when the fruit is broken, the artesian juice (within 6 hours) is stored in a clean pool, deodorized alcohol is adjusted to 13 °(volume%), fermented, then frozen and filtered. Generally, the amount of self-flowing juice accounts for about 11% of the total fermented wine. 3. The pre-fermentation temperature is controlled at about 20 ℃, and the fermentation time is general.
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