A method for improving the survival rate of peach embryo seedling transplanting

Abstract

The invention discloses a method for improving the transplanting survival rate of peach embryo culture seedlings. The method comprises the following steps: (1) building an arched shed, ensuring that the air humidity in the arched shed is 95% or above, arranging a plurality of planting grooves in the arched shed, and filling and covering the planting grooves with a substrate with proper humidity; (2) selecting embryo seedlings with 3-5 pieces of true leaves as embryo seedlings of a transplanting group and carrying out transplanting; (3) keeping the air humidity in the arched shed to be 95% or above for 5-7 days, then carrying out thorough watering for one time when new roots and new leaves of the embryo seedlings grow out, and carrying out watering when the substrate is dry; and (4) transplanting the seedlings: transplanting the survival peach embryo culture seedlings 7-9 days after the transplanting into a seedling field when the sunlight is weak or in a cloudy day, and carrying out normal growth and management. The method remarkably improves the transplanting survival rate of the peach tree embryo seedlings to 99.3% or above, the process is simple and convenient, the workload of the seedling transplanting is obviously reduced, and a growth adaptation period of the seedlings in the seedling field environment is obviously shortened, so that the seedlings are strong and the rootsystem is developed.

Description

technical field [0001] The invention relates to the technical field of peach seedling cultivation, in particular to a method for improving the transplanting survival rate of peach embryo seedlings. Background technique [0002] Peach( Prunus Persica ) is a perennial woody plant. As a perennial fruit tree, the peach breeding cycle is long and the workload is heavy, and the development of tissue culture has accelerated the peach breeding process. Early-maturing peach has high economic benefits and is one of the important directions for variety breeding. When selecting parents, the fruit development period of early-maturing peach varieties is short, and the embryonic development is not complete. Conventional sowing methods often fail to emerge or have a low germination rate. Therefore, the breeding of early-maturing peach varieties is hindered. The peach embryo culture technology can overcome the early abortion of peach embryos in distant cross breeding, and at the same time ...

AI Technical Summary

Problems solved by technology

[0005] The invention provides a method for improving the transplanting survival rate of peach germ seedlings, aiming to solve the problems of low transplanting survival rate of early-maturing peach germ seedlings, unstable growth of seedlings transplanted to the field, and emaciated seedlings