Method for pre-sowing treatment of litsea cubeba seeds

Abstract

The invention belongs to the technical field of plant cultivation, and in particular relates to a pre-sowing treatment method of litsea cubeba seeds, comprising the following steps: seed selection, soaking in warm water, primary quick freezing, temperature control, acid-base treatment, secondary quick freezing, and drying , Pretreatment before broadcasting. The invention is not only scientific and reasonable, but also easy to operate. The seed shells are made brittle by twice quick freezing, the seed shells are softened by acid-base treatment, and finally the substances that inhibit seed germination are effectively eliminated by soaking in agricultural boric acid; Litsea cubeba seeds germinate, greatly improving the germination rate and emergence rate.

Description

technical field [0001] The invention belongs to the technical field of plant cultivation, and in particular relates to a pre-sowing treatment method of litsea cubeba seeds. Background technique [0002] Litsea cubeba (Lour.) Pers., a plant of the genus Zingiber officinalis in Lauraceae, is one of the unique and important spice plant resources in China. Litsea cubeba fruit is rich in a volatile aromatic oil called litsea cubeba oil. The main component of litsea cubeba oil is citral, which is the main raw material for the manufacture of multivitamins and the preparation of essences (essences for food, cosmetics and soaps) in medicine. The annual output of litsea cubeba oil in China is more than 20,000 tons, and it is the largest producer and exporter in the world, with an annual export volume of about 3,500 tons. Domestic and foreign. [0003] Seed breeding is currently the most important breeding method for Litsea cubeba, but Litsea cubeba seeds have a long dormancy period...

AI Technical Summary

Problems solved by technology

[0003] Seed breeding is currently the most important breeding method for Litsea cubeba, but Litsea cubeba seeds have a long dormancy period and germinate very slowly. It takes about 50 days after sowing for some to germinate, and the duration is very long, up to two years; The seed coat of Litsea cubeba seeds is thick and hard, and a waxy layer is attached to the seed coat to make it impermeable and air-tight. Moreover, the seeds contain substances that inhibit seed germination, which makes the seeds of Litsea cubeba seeds have a long dormancy period and difficult germination. Germination rate and emergence rate are low, therefore, in order to remove the dormant period of litsea cubeba seeds, promote the germination of litsea cubeba seeds, improve the germination rate and emergence rate, it is necessary to eliminate the seed coat of litsea cubeba seeds and how to eliminate the inhibitory factors that inhibit seed germination. The two problems of matter set out to proceed