Six spinach varieties suitable for summer sowing

The selection criteria for summer spinach varieties is that it is not too late in the summer sunshine, heat resistance is strong, and growth is rapid. Currently, there are mainly the following varieties of summer spinach cultivated in various parts of the country.

1. Almighty Spinach: Introduced from Hong Kong. Heat-resistant, cold-resistant, wide adaptability, strong winter, long twitching; fast growth, rapid growth at 3-28 °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, 30-35 cm long and 10-15 cm wide . Less astringency and soft texture. The growth period is 80-110 days, and it is resistant to downy mildew, anthracnose and viral diseases.

2 , Huasong No.1: a generation of hybrids selected by Huazhong Agricultural University. Early maturity, the growth period is 40-60 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.

3 , Guangdong round leaf spinach: introduced from Guangdong, the seeds are thornless, the leaves are oval, the heat resistance is strong, the growth is fast, and it is not resistant to severe cold, and it must be finished before the cold comes.

4 , United No. 1: a generation of hybrids bred by 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.

5 , spring and autumn big leaves: Shanxi Province introduced from Japan, the plant is robust, semi-erect, leaves clustered, leaves are long oval, tip blunt, leaf hypertrophy, single plant quality 200 grams, tender, single leaf quality 20 grams , no smell, excellent quality. Strong disease resistance, heat resistance, convulsions late, the growth period is about 10 days longer than the general round leaf spinach .

6. Late big leaf: A new variety selected for vegetable research in Shanxi Agricultural University, 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, 32-40 cm long, 14-18 cm wide , and has very few fibers. The seeds are thornless. The convulsions are 15-20 days later than the general varieties , generally producing more than 2500 kg per mu .