Spinach has a short growing period and a small amount of pesticide residues. It is a nutrient-rich, inexpensive public vegetable that is popular with consumers. However, in the autumn of 2009, in many major spinach producing areas in China, due to a long period of high temperature and hot weather, the spinach varieties that were not soaked in late spring and summer were severely reduced in yield and even harvested. As a result, few spinach products were listed, causing their prices to climb all the way up, and the unit price rose to 5-15 times that of the year-round. In provinces and cities such as Anhui, Shandong, Henan, Beijing, and Tianjin, prices of spinach rose to 5-6 yuan per kilogram in early August, and rose to 8-10 yuan in mid-August, and as high as 14 yuan in late August. On August 26th, the author saw a Wal-Mart store in Weifang City, Shandong Province. The price per kilogram of spinach was as high as 18.6 yuan.
In order to do a good job in the production of summer spinach, the selection of heat-resistant, high-yield and high-quality varieties is the key. Several new varieties of spinach that are suitable for high temperature, high yield and high quality in China are introduced as follows:
Spring and summer spinach are imported seeds. Suitable for late spring sowing and summer cultivation, sowing is not sown in May-July. Dark green leaves, shiny, fleshy, leaf width, plant stretchability, the main stem is thick, grow upright. Easy to cultivate, high temperature resistance, resistance to downy mildew, low shrinkage, leaf rolling phenomenon in high temperature period, high commodity quality.
Spinach spinach imported varieties from abroad. Is a heat-resistant, not easy to convulsions, large round leaf spinach type. Suitable for late spring, summer and early autumn cultivation, fast growth, 40 to 50 days after sowing can be listed. Strong adaptability, short production cycle, low planting cost and good efficiency.
Jiya spinach is a mid-late-maturing variety with moderate plant growth and erect growth. The leaves are broadly triangular, with smooth foliage, dark green leaves, and leafy edges. The early growth is slow, not easy to grow, and it grows steadily. Strong disease resistance, high resistance to downy mildew. With strong adaptability, it can be planted in subtropical zone and temperate zone. It is suitable for open cultivation in spring, summer and autumn or protected cultivation.
The lovely spinach belongs to the late-maturing variety. It is late in bolting, the plants stand upright, the plant shape is medium, the leaves are triangular, and the leaves are dark green. Early growth is slow, there is no leggy, and growth is stable. Strong disease resistance, high resistance to downy mildew. Suitable for open cultivation in spring and summer.
The king of Denmark spinach is a type of high temperature resistant varieties. The leaves are long, oval, thick and shiny, and dark green in color. The plants are upright, beautiful in shape, and their roots are bright red. They are welcomed by the market. The plants grow steadily, and they are not easy to grow long under high temperature and long-day sunshine conditions, and they are late in bolting, have high yield, and have strong resistance to disease. Suitable for spring and summer sowing cultivation.
Czech spinach is a medium-early-maturing variety, which is late in the evening. Plants are erect, medium in size, with leafy triangles, thick leaves, smooth, dark green leaves. Early growth is slow, there is no leggy, and growth is stable. It is suitable for planting in temperate and subtropical regions and can be cultivated in spring, summer and autumn. Because of its bright red root color, it is very popular with the market. Suitable for market fresh products sales and product processing.
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