Seed storage 8 bogey

In order to discover and collect seeds of various crop varieties and scientifically store them so that the germplasm still has original genetic characteristics and high germination power after more than ten years or even decades, a seed standard sample database was developed. Called the germplasm resource bank. The germplasm resource pool is of great significance for the improvement of varieties, breeding of new varieties with high yield, good quality, and strong resistance, and providing rich germplasm and research materials for the theoretical research of biology.

There are many sensitive places in the storage of crop seeds, summed up in the following eight taboos:

1. Avoid plastic bags: Because the plastic bag is airtight, the seeds cannot be anaerobicly respired in the absence of oxygen, producing a large amount of toxic substances that can kill the embryos, or the moisture and heat generated by the seed respiration are not distributed. Going out, it is easy to make the seed heat and not germinate. Therefore, when loading the seed standard sample bank, remember not to use plastic bags.

Second, avoid contact with the ground: the ground humidity is high, in order to prevent the seeds from moisture and reduce the germination rate, regardless of sacks, bags and other containers, should not be directly contact with the piled on the ground, it is best to use a brick or wood plate up to about 50 cm. The research and development of seed storage, artificial regulation, high precision, to prevent the seed moisture.

Third, avoid smoke smoke: Smoke contains a lot of carbon dioxide and other toxic substances, long-term smoke after the seeds will reduce the viability, even after emergence, growth is weak, easy to disease.

Fourth, bogey insects: the seeds in the storage period, will be a variety of pests foraging, avoid the method is to try to make the seeds dry, resulting in adverse pest living conditions, can be used at noon on sunny days, eliminate pests.

5. Avoid helium: If the number of seeds is large and the storage time is long, do not fill the containers, leave gaps, or dry them once during storage time, which can prevent moisture and change the air.

Sixth, bogey mixed: The seeds should be labelled promptly after harvest, indicate the species, harvest date, should not be mixed.

7. Avoid mixing with pesticides and chemical fertilizers: Most of pesticides and chemical fertilizers are volatile and corrosive. If they are stored in the same room as seeds, the germination rate of seeds will be reduced.

8. Do not inspect seeds for storage: If the seeds are stored improperly due to improper storage, leaky snow or ground moisture will make the seeds moldy, or be damaged by pests and pests, they should be checked to take appropriate measures.

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