Method for efficient and rapid germination of corylus heterophylla fisch seeds

Abstract

The invention discloses a method for efficient and rapid germination of corylus heterophylla fisch seeds. The method includes the following steps: 1, picking the seeds; 2, soaking the seeds in warm water; 3, disinfecting the soaked seeds; 4, washing the disinfected seeds and accelerating the germination of the disinfected seeds with plant hormones; 5, sowing the seeds treated by the plant hormones in an aperture disk filled with a germination-accelerating matrix; 6, accelerating the germination in an environment with the temperature of 20-25 DEG C and the humidity of 70-75%; 7, spraying water on the sowing aperture disk every 5-6 days. According to the method, the corylus heterophylla fisch seeds are germinated in 10 to 12 days after sowing, after 30 days, the seed germination rate reaches 35% or above, the whole plant length of a seedling plant which grows most rapidly can reach 30 cm after about 30 days, main roots are well developed, and fibrous roots are developed. Compared with a traditional low temperature stratification seedling-raising method, the method can greatly shorten the cultivation time required by the germination of the corylus heterophylla fisch seeds, and has the advantages of being high in seedling emergence efficiency, rapid in seedling growth, simple in operation step and the like.

Description

Technical field [0001] The invention relates to the field of biotechnology, in particular to a method for efficient and rapid germination of the seeds of the economic forest nut tree species P. hazel. Background technique [0002] Pingzhen ( Corylus heterophyllaFisch ) (Records in Flora of China and Flora of Beijing), also known as flat hazel, hazel, hazel, are perennial deciduous shrubs to small trees of the genus Corylaceae in the birch family, generally 3~5 m high. One of the four major nuts in the world, it has the reputation of "King of Nuts". According to data, Pingzhen is classified as a "mountain treasure" because of its crispy and nutritious nuts. It became a tribute as a Northeast specialty in the Qing Dynasty. Ping filbert is distributed in northern China, and its main producing areas are three northeast provinces. Among them, Liaoning and Heilongjiang provinces have achieved extraordinary results through the introduction of filbert as the male parent since the 1960s....

AI Technical Summary

Problems solved by technology

Hazelnuts are mostly propagated by layering and seeds. Since layering is an asexual propagation method, no new phenotype plant individuals can be produced; hazelnut seeds are post-ripening, and traditional seed propagation requires low-temperature stratification. Promoting seed germination requires a longer propagation cycle. In order to improve the status of flat hazel in the economic forest market and to further enhance the success rate of hybrid breeding with other hazel species, shortening the seed germination and seedling breeding cycle has become an important link.