Traditional Culture Encyclopedia - Weather forecast - Why do pear trees bloom in autumn?

Why do pear trees bloom in autumn?

Pear trees bloom in autumn mainly because of poor management. In summer, leaves fall earlier and flower buds form. When the temperature in late autumn is close to that in spring, it leads to the abnormal phenomenon of flowering twice in late autumn.

These pears, which bloom on the branches, usually fall without fruit. Even if the fruit is set, as the temperature drops, the pear tree begins to shed leaves, and the nutrient supply is not enough, so the fruit can't grow and mature before winter, so it can only consume nutrients in vain.

The new leaf buds, flower buds and flowers of pear trees should be picked off in time to protect the nutrients of the trees and reduce the losses in the coming year.

Extended data:

The main early symptoms of the second flowering of pear trees are: the leaves fall off prematurely, which makes the tree enter the dormant period ahead of time, which affects the photosynthesis of leaves and the accumulation of nutrients in the tree, especially in the warm spring weather of flowering, which will lead to the second flowering.

Lack of nutrition and light is one of the main reasons for the early defoliation of pear trees. Insufficient fertilizer and water, unreasonable fertilization, and lack of elements. , resulting in nutrition can not keep up, weaken the tree potential, so that the tree leaves early; Excessive planting density, unreasonable construction and poor canopy permeability lead to long white branches and insufficient light in the trees, which leads to yellow flowers and falling leaves.

Water accumulation in pear orchards in summer and autumn affects the growth and absorption of roots and weakens the tree potential; High temperature and drought in summer hinder nutrient transportation of pear trees, affect tree growth and harvest, and lead to a large number of fallen leaves; The temperature is low at night in autumn, and the temperature difference between day and night is large. Nutrient accumulation is easy to promote differentiation, germination and flowering, leading to secondary flowering.

China News Network-Chengde's early autumn "pear opens twice" experts say it violates the growth law (Figure)