Longan Four Seasons Flower Development New Technology
Longan is a subtropical evergreen tree native to the southern provinces of China and has more than 2,000 years of cultivation history. Longan fruit has high nutritional value and delicious fresh fruit, which has the effect of nourishing the spleen, nourishing the nerves, preventing blood vessel hardening and anti-aging.
In natural conditions, longan flowers need cool, dry and other climatic conditions. In recent years, the climate has appeared more frequently than usual. The winter is not warm and humid, and it is prone to winter shoots. It is the severe cold wave frost. An abnormal climate disrupts the normal physiological state of the longan tree. Therefore, the problem of creating longan and making flowers difficult is common in our province and even our country's southern production areas. In addition, the maturity of the longan is generally in July-August, the market is too concentrated, the pressure of market sales is a big factor affecting its economic benefits, if longan fresh fruit is available throughout the year, its price, efficiency will steadily rise . Taken together, the success of Longan's annual flower promotion technology will have the following aspects:
1. Greatly deepen people's understanding of longan flower bud differentiation and flowering theory;
2. It can overcome the appearance of longan and ensure the longan's high yield and stable yield, and can advance or postpone the return of the market, and timely remedial measures can be made under the condition that the cultivation and flowering results are not ideal.
3. According to people's wishes, they can adjust the longan flowering period, aim to produce anti-season longan, extend the supply period of fresh fruit, adjust the market supply, reduce sales pressure, help the price stable, and increase economic efficiency.
4. It will greatly promote the development of tourism orchards. At present, most of the tourism orchards have poor performance and are difficult to sustain. One of the reasons for this is the lack of quality fruit for the annual supply, and the lack of fresh fruit varieties that visitors can pick and drink during the four seasons.
5. Simplify and improve the technology of controlling shoot tipping and avoiding the negative effect of long-term use of physical and chemical control tips on tree growth.
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