Method for improving germination percentage of paspalum natatum in warm temperate zones

Abstract

The invention discloses a method for improving germination percentage of paspalum natatum in warm temperate zones, comprising the steps of: 1, pre-treating; 2, finishing; 3, sowing; and 4, managing after germinating. In the method disclosed by the invention, warm water is used to soak seeds for 4-5h, so that the wax coat is removed conveniently and safely, the feasibility is high, and the operation can be achieved in normal farms and pastures; concentrated sulfuric acid is dangerous when being used, the time is difficult to control, and the seeds are easy to carbonize carelessly, so that the result is failed; April and May are in blossoming spring in the warm temperate zones, and the climate is suitable, so the seeds are sowed in April and May, and the paspalum natatum germinates well; after the paspalum natatum germinates, the phosphatic fertilizer and fire ash mixed in the seeds provide sufficient phosphorus, potassium and nitrogen which are beneficial for growth of paspalum natatum seedlings; and therefore, the problem of low germination percentage is solved, the sufficient paspalum natatum seedlings are provided, can be widely planted and can be used for building lawns, growing pastures, fixing soil, protecting slope, and the like. The method provides a reliable guarantee for popularizing and planting the paspalum natatum in a large area.

Description

technical field [0001] The invention belongs to the technical field of methods for increasing the germination rate of plants, in particular to a method for increasing the germination rate of bahia grass in warm temperate regions. Background technique [0002] Bahia grass, also known as golden crown grass, scientific name Baja paspalum, is a world-renowned multi-purpose grass species, native to Latin America, the United States, Australia and other countries. The root is a fibrous root system, which spreads with the old stems and takes root when touching the soil. Most of the roots are concentrated in the 30-40 cm topsoil near the surface, and a few roots are as deep as 100-130 cm. The inflorescence is a raceme, heading and blooming from June to October, the flowering period is uneven, and the seeds mature one after another. The seeds are tightly wrapped with waxy glumes, which are not easy to absorb water. If untreated, the germination rate is extremely low. Bahia grass has...

AI Technical Summary

Problems solved by technology

Some people soak the seeds with concentrated sulfuric acid to remove the waxy layer outside the seeds and increase the germination rate, but concentrated sulfuric acid is highly corrosive, and the soaking time is not easy to control. A little carelessness can easily burn people and carbonize the seeds. Not easy to promote and apply

With the existing conventional technology, the cultivation and planting of bahia grass is very difficult, especially in warm temperate regions, many farms that try to plant bahia grass, the germination rate of bahia grass is less than 30%, or even only 5-10%. The germination rate cannot meet the needs of mass production and planting, which seriously affects the popularization and application of this excellent plant in warm temperate regions.