-
Analysis of the Relationship Between Rusty Patches on Pear Fruit Surfaces and Pesticide Use
Irregular rust-colored patches often appear on pear fruit surfaces, affecting the appearance quality of the fruit. Fruit surface rust is generally called fruit russeting, which is formed by the gradual thickening and suberization of cell walls, with epidermal cells and the cuticle rupturing and exposing the surface, forming brown rust-colored patches. Another type of rusty patch is actually "pesticide russeting," caused by improper pesticide use or excessive pressure when spraying pesticides. There is also a type called "water russeting," mainly caused by poor environmental conditions, damp and rainy weather, insufficient light, and mold parasitizing the fruit surface. The occurrence of fruit russeting is related to many factors in cultivation. Such as variety, strain differences
-
What is the difference between pruning methods for pear trees and apple trees
Post-bloom management of pear trees is a critical period in the whole year's management. Whether the comprehensive management measures during this period are appropriate directly affects the fruit set rate and fruit quality. The key points of pear tree management during this period are: 1. Pollination Pear flowers generally open after 8 o'clock in the morning. Flowers that open on the same day can be pollinated, and pollination is best 1 to 2 days after the flowers open...
-
The relationship between Dongkui bayberry and the nutrient element zinc
Although zinc is a trace element for plants, if Dongkui bayberry is deficient in zinc, it will affect its growth. This is because the zinc element has multiple effects on Dongkui bayberry, such as: 1. The role of zinc (1) Zinc is related to the synthesis of auxin in the tree body. That is to say, when the Dongkui bayberry tree body needs to synthesize auxin, it cannot lack zinc...
条件筛选