Is Sanhua plum suitable for planting in Leshan, Sichuan?

Sanhua plum is not suitable for planting in Leshan, Sichuan. It originates from Sanhua Town, Longxian Town, Jiangwei Town, Bazi Town, Wengyuan County, Guangdong; in 2013, the planting area of ??Sanhua plum has reached With an area of ??more than 200,000 acres, an annual output of 100,000 tons, and an output value of 350 million yuan, it is the largest Sanhua plum production base in Guangdong Province and is known as the "No. 1 Sanhua Plum Town in China." Northwest Fujian in Fujian Province and Xinyi City in Guangdong Province also began to introduce this variety in the 1990s and planted it in large quantities.

Growth habits

Sanhua plum is a temperate deciduous fruit tree with strong adaptability to climate. However, low temperature frost or continuous rainy weather during the flowering period will cause severe flower drop and even harvest loss. On the other hand, the temperature in spring is high, and the leaves appear first and then bloom, which is not conducive to the formation of fruits. Sanhua plum is a light-loving fruit tree and is not suitable for cultivation in places with poor sunlight. Pay attention to planting density and shaping and pruning to meet its needs. The need for light. Insufficient light not only affects its growth results, but also affects the quality and color of the fruit. Sanhua plum has no strict requirements on the soil. As long as the soil layer is relatively deep but not too barren, it can be planted. Among them, the soil layer is deep and the Slightly acidic soil rich in humus is best for cultivation.

Site conditions

Select loam or sandy loam; soil thickness ≥ 60cm; pH value 6--6.5; organic matter content ≥ 2.0%; Sanhua plum is a shallow-rooted fruit tree with a root system The expansion can be greater than the crown branch expansion (0.6--1) times, the root depth is only 1/5--1/3 of the tree height, the absorbing roots are generally within 45cm, and 10--30cm is the vigorous growth area, so, The root system has high requirements for the air content in the soil. Generally, the roots begin to grow when the soil air content is ≥5%, grow normally when ≥10%, and when <2%, the root system becomes significantly thinner and dead roots appear.