What are the varieties of broccoli? What are their characteristics?

Kale is one of the specialty vegetables in China, which has a long history of cultivation. It is rich in nutrients such as vitamin A, C, calcium, protein, fat and plant carbohydrate, and its taste is crisp and sweet, which is very popular in the market. According to the local planting environment, at present, there are many varieties of kale in our country, so each has its own sales characteristics? Let's take a look.

Varieties and characteristics of kale

There are many varieties of kale cultivated in China, which can be divided into two types: White kale and yellow kale according to the color of flowers. According to its growth period, early-maturing varieties can be divided into early, middle and late-maturing varieties, and early-maturing varieties have strong heat tolerance; flower bud differentiation can also be carried out at higher temperatures to form Chinese cabbage; middle-maturing varieties are not as heat-tolerant as early-maturing varieties, but cold tolerance is weaker than late-maturing varieties, and their branching ability is medium. Yield is higher than early-maturing varieties; late-maturing varieties are not heat-resistant, more cold-tolerant, weaker branching ability, higher yield and better quality. In addition, according to the bolting color, it can be divided into green kale and purple kale; according to whether there are small metamorphosed leaves on the leaves, it can be divided into lentinus edodes and non-shiitake kale, and so on. Several representative varieties of kale are introduced according to the classification of maturity.

The main results are as follows: (1) early maturing kale-it is mainly suitable for cultivation in summer and autumn, the sowing time is from August to September and the growing period is 50-60 days. The representative varieties are:

① Hong Kong white kale. Guangdong local varieties, the main bolting is 20 cm high, 2 cm thick, and the weight of the main bolting is about 100 grams.

② early kale. Guangdong local varieties, the main bolting is 25 cm high, 2 cm thick, and the weight of the main bolt is about 100 grams.

③ green kale. The Japanese hybrid variety of the first generation has a main bolting length of 20 cm, a bolting diameter of 2 cm, a main bolting weight of about 60 to 70 grams, and a strong ability to germinate lateral bolts, which can be harvested many times.

(2) medium-ripe kale-about 75 days from sowing to harvest, this variety is suitable for cultivation in autumn and winter. The representative varieties are:

Chinese kale in ①. The quality is good, the main bolt is thicker, the transverse diameter is 2.5 cm, and the weight is 100g to 150g.

② Lentinus edodes kale. The plant grows strongly and has small mushroom-like leaflets on the leaf surface. The main bolt is thicker, with a height of 30 cm, a transverse diameter of 2.5 cm and a weight of about 120 grams.

(3) late maturing kale-from sowing to harvest more than 75 days, strong winter, need a certain low temperature to bolting, suitable for cultivation in winter and spring. The representative varieties are:

① kale. The main bolting is 28 cm long and weighs 120 grams, with medium branching ability and crisp flesh.

② Brassica oleracea L. The plant growth is exuberant, the leaf is relatively thin, the wax powder is less, and the weight of plant moss is more than 100 grams after harvest.

Generally speaking, these kale varieties are widely planted in China. Of course, before planting, different varieties have to be selected according to the cultivation season and cultivation environment, and secondly, varieties should be selected according to the market demand. Selecting the right varieties is a necessary prerequisite for successful cultivation.

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