Large-scale seedling-culturing method utilizing cassia sophera seeds and nutrient solution thereof

Abstract

The invention relates to a large-scale seedling-culturing method for cultivating cassia sophera seedlings without bacterial infection by utilizing cassia sophera seeds in a direct seeding mode, which solves the problem that the existing seedling-culturing land has no selecting standard, and seedlings are low in sprouting percentage, high in infective rate of putridity at the seedling stage, dark in root system, small in earthnut, weak, high in death rate and low in survival rate after being transplanted. New sandy soil with good breathability or rice fields are utilized, a shell breaking machine is utilized to carry out partially shell breaking, and seeds are used for cultivating the seedlings in the direct seeding mode by means of prepared matrixes laid on a seed bed to reduce rice field. Mulching films are utilized to keep the temperature and the humidity of the ground. By spraying prepared nutrient solution by stages, needs for nutrient of the seedlings are met, environment is clean, the plant diseases and the insect pests are reduced, the seedlings are robust, root systems are strong and white in color, rhizomes are thick and strong, the infective rate of putridity is low, the survival rate after transplantation is high, operation is simple and convenient, and the seedling-culturing method is suitable for cultivating the cassia sophera seedlings in a large-scale mode. Strong seedlings can be cultivated more than zero point four million per mu, and the survival rate after the transplantation reaches to above 98%.

Description

technical field [0001] The invention belongs to the field of modern cultivation technology, and in particular relates to a large-scale seedling raising method and a nutrient solution using cassia chinensis seeds. Background technique [0002] Cassia sophera L. is a plant of the genus Cassia in the leguminous family, with even-numbered pinnate compound leaves, alternate, 10-20 long leaflets, long oval or long ovate, with sharp apex; yellow flowers, obovate; corolla 25mm in diameter, 5 sepals, 5 petals, 16mm long, 8mm wide, 10 stamens, 3 rudimentary, 1 pistil. The fruit is a pod, 6-12 cm long, 0.5-1 cm wide, glabrous, each pod contains 28-46 seeds, oval, slightly flattened, about 4 mm long, and the thousand-grain weight of the seeds is about 18 grams. Folks mainly use its roots as medicine. The total nitrogen content of the aboveground stem is about 4%, the total phosphorus content is about 0.3%, and the total potassium content is more than 1%. The plant has a strong growth p...

AI Technical Summary

Problems solved by technology

However, the surface of Cassia chinensis seeds has very thick wax, and the seed shell is also very thick. Usually, it is difficult for the seeds to absorb water and germinate, resulting in a low germination rate of the seeds.

At present, there is also a method of artificially breaking the shell to improve the germination rate of the seeds, but it is time-consuming and laborious, and cannot meet the requirements of large-scale production.

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