Mulberry leaf picking and storage

1. The choice of mulberry leaves: The temperature and humidity of the dry-sprout prevention is higher, and the silkworms have a fast growth. The appropriate ripe leaves that are easy to digest and rich in nutrition must be used. The standard of spring silkworm leaves is leaf color, and the leaf position is used as a reference. The first-instar picking and picking adopts fresh green light, ie, large photosynthetic leaves, and the second-instar mining is just green, ie the fourth to fifth leaves. Three leaves, that is, 5 to 6 leaves. It is better to use the leaf one leaf position lower than the spring silkworm in summer and autumn. In order to correctly identify suitable ripe leaves, the situation of slashing mulberry can be observed. Small silkworms are eaten into reticular shape by the leaves, and it is advisable that large silkworms eat leftover leaves and veins.

2. The moment of leaf collection: It should be decided according to the situation of leaf use and weather changes. The general principle is that it is better to harvest mulberry early and late. The mulberry leaves collected in the morning have less nutrients such as sugar, more water, and are more conducive to storage. In the early evening, the mulberry leaves have more nutrients, less water, and adverse storage. The general leaf collection (9:00-11:00) and the evening (after 4:00 pm) are collected twice.

3, Mulberry storage preservation

(1) Cylinder (pot) storage mulberry method: The leaves picked up are neat, the petioles are down, the tips of the leaves are upwards, and they are placed in cylinders (pots) layer by layer. In fine weather, cold water can be sprayed on the top of the leaves. (Patio) Cover with a damp cloth or plastic film. This method is mainly used for storage of mulberry silkworms.

(2) Pad storage method: sweep the ground, disinfect and pad with the sterilized plastic film, and spread the mulberry leaf on the mat, with a thickness of 0.5-0.6 meters (1.5-2 feet), and then spray on the mulberry leaf surface. A small amount of clean water (rainy leaves are not sprayed) and then covered with a damp cloth or plastic film, at any time to pay attention to inspection, found that fever can shake once.

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