Non-pollution cultivation of bitter gourds and their quality selection

1, bitter gourd pollution-free cultivation mouth arrangement

Bitter gourd is mostly cultivated in open field. The cultivation season depends on the climate of different regions. In South China and Southwest China, it can be planted in spring, summer and autumn. In addition to winter, it can be supplied for an anniversary. In the northern regions, the early spring and late autumn climate is relatively cool. Generally, the plants are nursed in the facilities from the end of March to the beginning of April. After the final frost, they are planted in open fields and harvested from June to September. Conditional facilities can be cultivated, greenhouse nursery early to late February to nursery, in late March or early April in the greenhouse greenhouse colonization, the use of ground cover and small arch cultivation, can be listed as early as May.

2, the choice of bitter gourd pollution-free cultivation

The bitter gourd varieties with high quality, high yield, disease resistance, insect resistance, strong stress resistance, wide adaptability and good commercial quality were used, and the fruits were rich in green or green bitter taste, and were cultivated in the south of the Yangtze River. The spindle-shaped fruits were Guangdong Bingcheng bitter gourd, Guangxi Xijin bitter gourd, Fujian Putian bitter gourd, Shanghai green bitter gourd, etc.; the fruit was short cone-shaped variety with big top bitter gourd, small bitter gourd, etc.; fruit was long conical with Jiangmen bitter gourd , sea cucumber bitter gourd, etc.; fruit gradually green or white, slightly bitter taste, mainly in the north of the Yangtze River, such as Hunan Blue Mountain Bitter gourd, Changbai bitter gourd and so on.

The planting of the bitter gourd in the solar greenhouse in winter and spring is in the season of low temperature and low temperature in the early fruit setting period. Therefore, early varieties with strong low temperature resistance should be selected in the selection of varieties, such as Xiuhua and Cui Xiu of the Taiwan Nongyou Seedling Company. Hybrids, or local varieties such as Guangxi No. 1 large meat bitter gourd, Guangxi No. 2 large meat bitter gourd, big top bitter gourd, Chengdu big white bitter gourd and so on.

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