Spinach can be grown all year round, but spinach is not resistant to high temperature crops, so spinach grown in summer must be heat-resistant. What are the spinach suitable for summer planting? Let's let Xiaobian introduce it to everyone.
Spinach variety suitable for summer planting
In summer, spinach should be selected as a heat-resistant variety. The selection criteria for summer-sowed spinach varieties is that it is smoked in the summer under the sunshine, with strong heat resistance and rapid growth. At present, there are mainly six kinds of summer-sowed spinach varieties that are suitable for cultivation in various places:
Almighty spinach was introduced from Hong Kong. Heat-resistant, cold-resistant, wide adaptability, strong winter, long twitching; fast growth, rapid growth at temperatures between 3 °C and 28 °C. The plant is erect, the plant height is 30-35 cm, the leaves are 7-9 pieces, and the mass per plant is about 100 grams. The leaves are dark green, thick and fat, and the leaves are smooth, 30 to 35 cm long and 10 to 15 cm wide. Less astringency and soft texture. The growth period is 80 to 110 days, and it is resistant to downy mildew, anthracnose and viral diseases.
The first generation of hybrids selected by Huazhong Agricultural University of Huazhuo No.1. Early maturity, the growth period is 40 to 60 days, the plant is semi-erect, and the plant height is 30 cm. The leaves are scorpion-shaped, with a pair of deep nicks. The apex is obtuse, the leaves are enlarged and the quality is good. High temperature resistance, resistance to downy mildew and viral diseases, high yield.
The spinach seed has no thorns, the leaves are oval, the heat resistance is strong, the growth is fast, and it is not resistant to severe cold. It must be finished before the cold comes.
A hybrid of the first generation of Shanghai Agricultural College. The seeds are thorny, the plants are half-opened, the leaves are arrow-shaped, the leaves are large and thick, the growth is rapid, and the temperature is high. It is sown in the hot and rainy season, and the seedlings and seedlings are good. The seed dormancy period is long, and the new seed germination rate is not high at high temperature. It can be harvested 30 days after sowing.
The variety introduced from Japan in the Spring and Autumn Period of Shanxi Province, the plant is robust, semi-erect, leaves clustered, the leaves are long oval, the tip is obtuse, the leaves are hypertrophy, the mass per plant is 200 grams, the quality is tender, the quality of the single leaf is 20 grams, no flaws. Taste, excellent quality. It has strong disease resistance, heat resistance and late convulsion. The growth period is about 10 days longer than that of general round leaf spinach.
A new variety selected from the vegetable research of Shanxi Agricultural University in late autumn, with a growth period of more than 50 days. The plant height is 25 cm and the development degree is 50 cm. The blade is wide, wide arrow-shaped, apex round, 32 to 40 cm long, 14 to 18 cm wide, and has very few fibers. The seeds are thornless. The convulsions are 15 to 20 days later than the general varieties, and generally produce more than 2,500 kilograms per mu.
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