Wuhan belongs to subtropical monsoon humid climate zone, with abundant rainfall, abundant sunshine and distinct four seasons.
Second, the growing environment of litchi
1, likes high temperature and humidity, likes sunshine, and its heredity requires that the temperature of flower bud differentiation period is relatively low, but the lowest temperature is -2 ~-4℃, which will suffer from freezing injury; It is sunny and warm in flowering period, and no dry heat is the most favorable. Too low humidity, continuous rain, dry and hot weather or strong north wind are not conducive to flowering and pollination.
2. Unfavorable disaster weather in flowering and fruiting period will lead to falling flowers and fruits, and even loss of harvest.
Third, the climate of Wuhan.
1, Wuhan belongs to the subtropical monsoon humid climate zone, with abundant rainfall and sunshine, four distinct seasons, high temperature in summer, concentrated precipitation and slightly cool and humid in winter.
2. In a year, the average temperature in June 5438+ 10 is the lowest, which is 3.0℃; The highest average temperature in July is 29.3℃, and summer is 135 days. There are about 60 days in spring and autumn. The rainy season in early summer is relatively concentrated, with annual precipitation1205 mm. The active accumulated temperature in Wuhan is between 5000℃ and 5300℃, and the frost-free period of the whole year reaches 240 days.