2. Mango. Mango likes warmth, not cold and frost. The annual average temperature in mango producing areas in the world is above 20℃, and the monthly minimum temperature is above 15℃. The average annual temperature in the producing areas that can grow and bear fruit normally in China is 19. 8-24. 1℃, but the annual average temperature is 2 1-22℃, and the highest temperature in Leng Yue is above 15℃, and there are many frost-free areas almost all year round. The effective temperature for mango growth is 18-35℃, the suitable temperature for new shoot growth is 24-29℃, and the average daily temperature for fruit setting and young fruit growth should be greater than 20℃. Mango is a kind of fruit tree that likes light. Adequate light can promote flower bud differentiation, blossom and set fruit, improve fruit quality and appearance. Mango grows well in the area with annual rainfall of 700-2000 mm, and the uneven distribution of annual rainfall in South China often affects its growth and development.
3. Jackfruit is a world-famous tropical fruit, which is widely planted in tropical and humid areas. Suitable for planting in rainy tropical areas. Like high temperature and high humidity, the growth temperature is 22 ~ 23℃. Regardless of soil quality, sandy soil with deep topsoil is the best. If the soil is fertile, it will grow quickly. Good drainage and plenty of sunshine are needed.
4. pineapple. Pineapple is native to tropical high-temperature and arid areas in South America, with mild nature. It can grow at the annual average temperature of 24-27℃ (the most suitable growth range is 15-40℃, but it grows slowly below 15℃, and basically stops growing below 10℃, and 5℃ is the critical temperature of chilling injury. The optimum temperature for root growth is 29-365438 0℃, and it stops growing when it is lower than 5℃ or higher than 43℃. Roots began to grow in March and grew rapidly with the increase of temperature. The growth peaked from late May to July, and slowed down after 1O months. From February of 65438 to February of the following year, the near-surface roots died of cold damage and drought. In spring, leaves begin to sprout. From May to July, the leaves are dark green and grow faster. Germination basically stops in winter, and leaves turn red and yellow. If the leaves are dehydrated and turn green due to cold, they will dry up. Pineapple has low requirements for rainfall and is drought-tolerant. Pineapple can grow and develop normally in semi-arid tropical rain forest areas with annual rainfall of 5 10mm to 5540mm, and the growth results, yield and quality are better in areas with annual rainfall of1000-2,000 mm and even monthly distribution.
5. Litchi. Litchi likes light and needs long sunshine. 23 ~ 26℃ is the optimum temperature for growth. When the daily average temperature was above 17℃, the new leaves began to elongate, but when it was below 10℃, the growth basically stopped, and freezing injury occurred at -4℃. Anthers will not crack when the flowering temperature is lower than 8℃, but 65,438+05℃ is the key season for flower bud differentiation. Generally speaking, more water is needed during growth and fruiting. Acidic sandy loam with deep soil layer, good drainage and rich organic matter (pH 4.5 ~ 6) is suitable. In the prime of life, branches are pumped 3-4 times a year to form a shady leaf layer, and flower buds are formed in axillary buds at the top of new branches in early spring, and the male and female flowers are different from each other. The fruit ripens about 70 ~ 90 days after pollination and fertilization of female flowers.