Zucchini breeding technology

Zucchini breeding technology

First, soaking seed germination seeds 3 to 5 days before sowing seeds, with 50 ~ 55 °C warm water soaking. Put the seeds into warm water and keep stirring. When the water temperature drops to 30°C, soak for 3 to 4 hours. After soaking seeds, rinse the seeds, remove the seeds and let them dry for a while. Wrap the seeds with a damp cloth. Germination temperature 25 ~ 30 °C, 1 ~ 2 days can be budding, shoots 3 ~ 4 mm long sowing. Second, sowing planting selection cold head warm sunny weather sowing. Due to the short age of the zucchini, it must be planted with soil. After pouring the bottom water, the seeds of the buds will be pushed flat to the center of the nutrition bowl. The germs will be turned downwards. ~ 2 cm, covering the film insulation and moisturizing, deducting a small shed, covered with grasshoppers at night. Third, the seedbed temperature management before sowing after sowing, to properly raise the seedbed temperature, prompting the seedlings as soon as possible unearthed, the daytime temperature 25 ~ 28 °C, night 12 ~ 15 °C, ground temperature 16 ~ 18 °C, grasshopper can be properly covered early cover. Immediately after emergence, the temperature was lowered to prevent the hypocotyls from becoming long, controlled at 18 to 25°C during the day and 10 to 12°C at night, and the grass cover could be exposed as soon as possible. After the seedlings broke, the first true leaf began to grow, and the temperature of the pods could be appropriately increased to promote leaf growth. The temperature was controlled at 22-28°C during the day and 12-15°C at night. Ventilation was enhanced before planting, and the seedlings were reduced in temperature to allow them to adapt to colonization. The daytime temperature was controlled at 15 to 22°C and 8 to 12°C at night.

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