First, choose a good variety
Should choose disease-resistant, high-yield, high-quality, good appearance and shape, high value of the high-quality varieties, such as: Jinghu No. 1, Jinghu No. 3, Zhongnong Cuiyu and other varieties.
Second, soaking germination
Zucchini seeds are soaked in the sun for 2-3 hours before they are soaked and germinated. They are then placed in clean water and the seeds that are not full of seeds floating on the water are removed and removed, and soaked in warm water at 55°C-60°C for 10 minutes. To further kill the pathogenic bacteria on the seed epidermis, soak it in warm water at about 25°C for 4 hours, remove and control the moisture, wrap it with moist gauze, germinate at 28°C-32°C, and the seeds will break white You can sow.
Third, planting seedlings
In the nursery shed, nutrient seedlings should be used to nurse the seedlings, and the nursery medium that is well-equipped can be evenly filled with nutrients, ready for sowing. After sowing, cover the soil 2 cm thick, and then moisten with a small shed film until it emerges.
Zucchini seedlings are generally 28-30 days old, with 3-4 true leaves, plant height should be about 10 cm, stem thickness 0.5 cm, petiole length and leaf length equal, dark green leaves, cotyledons intact, well-developed root system.
IV. Seedling management
The seedling stage of zucchini is mainly the management of temperature. During the day, the temperature is maintained at 20°C-25°C, ventilation is required to cool at temperatures above 26°C, and the temperature is maintained at 10°C-15°C during the night. At this time to control the water, only when there are obvious symptoms of water shortage can be poured small water, do not pour water, according to the weather and temperature after watering, timely ventilation, reduce humidity, prevent diseases.
In order to prevent the occurrence of such diseases as damping-off, blight, and wilt disease, it can be prevented by medicinal agents and sprayed with thiophanate-methyl or chlorothalonil leaves every 5-7 days; spraying insecticides such as whitefly, aphid, etc. with imidacloprid. Prevention and control of rapamycin and spotted flies with avermectin plus pyrethroid pesticides.
α- GPC is a water-soluble substance with two fatty acids removed from the main phospholipid PC (phosphatidylcholine) constituting the cell membrane.α- GPC is a water-soluble substance with two fatty acids removed from the main phospholipid PC (phosphatidylcholine) constituting the cell membrane.
Originally widely existing in organisms, it is one of the body components existing in human breast milk and body fluids. Research in the food industry shows that GPC can be obtained by removing fatty acids (deacyl) in the structure with PC in soybean lecithin as raw material. In the revision of food and drug classification in 2009 α- GPC (sn-glycerol-3-choline phosphate) is defined as food.
Purpose: brain health food. It is clinically used to prevent and treat atherosclerosis, fatty liver, neurasthenia and malnutrition. It can also be used as an additive for food, cosmetics and pharmaceutical excipients. It can be transformed into hemolytic lecithin by phospholipase a.
Prevent choline deficiency, increase neurotransmitters and promote the secretion of growth hormone. Although both eggs and eggs contain choline, it is confirmed that the uptake in the form of GPC is faster than the absorption through the portal system, and it is easier and more efficient to convert to choline. And GPC is one of the few five that can pass through the blood-brain barrier, so it can be quickly converted from choline to acetylcholine.
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