Quisqualis indica seedling rapid propagation method

Abstract

The invention discloses a quisqualis indica seedling rapid propagation method. The method comprises the following steps: new seeds of the current year are harvested in late autumn when fruits are ripe, wherein shells are removed, and seeds are taken out; the surfaces of the seeds are disinfected, and the disinfected seeds are mixed with a wet substrate according to a volume ratio of 1:3; the mixture is placed under a temperature of 30-35 DEG C in a light incubator, and constant-temperature germination acceleration is conducted for 2-3 days; the wet substrate and seeds obtained after germination acceleration are directly sowed on a light-substrate seedbed, and are not covered; seedling-raising temperature is 30-35 DEG C, and the surface of the seedbed is kept moist; after half a month of cultivation, a water-soluble phosphate fertilizer is sprayed once; seedling-raising is carried out for 30-45 days; and when seedling heights reach 10-30cm, the seedlings can be outplanted. The wet substrate is one selected from sand, perlite and vermiculite. The light substrate is a mixture of peat and one or two selected from coarse vermiculite and coarse perlite. With the method provided by the invention, seed germination rate and seedling survival rate can be substantially improved, such that quisqualis indica seedling rapid propagation is realized. Also, the method has high actual application values on quisqualis indica novel variety breeding works.

Description

technical field [0001] The invention relates to the technical field of seedling production and breeding, in particular to a rapid breeding method for seedlings of Junzi seedlings. Background technique [0002] The medicinal material of Shijunzi comes from the dried and mature fruit of Shijunzi of the family Shijunzi. It has the effect of killing insects and eliminating accumulation, and is often used for parasitic ascariasis in children. The original plant of Shijunzi is a climbing shrub with luxuriant branches and leaves and bright colors. It is a common foliage and flower viewing plant in southern my country. Shijunzi is a plant with high medicinal and ornamental value, and its cultivation prospect is very broad. [0003] Propagation of Junzi seeds can improve varieties and be used for new variety breeding, and can improve seedling quality and propagation speed for large-scale seedling production. However, because the seeds of Junzi are wrapped by a hard shell, the shell...

AI Technical Summary

Problems solved by technology

However, because the seeds of Junzi are wrapped by a hard shell, the shell has poor water permeability and mechanical restriction on the growth of the embryo, which makes it difficult for the seeds to absorb water during germination, difficult to break the shell and grow, and the germination rate is low. The seed shell restricts seed reproduction. serious problem

At present, the artificial cultivation of Gentleman is mainly based on cutting propagation. Cutting seedlings can maintain the traits of the female parent and can make the time of flowering and fruiting earlier, but the root system of cutting seedlings is weak, prone to partial crown phenomenon, and the life span is shorter than that of seedlings , seedlings of poor quality

However, the germination rate of conventional seed propagation is extremely low, and there are too few seedlings to meet the breeding requirements.