Method for increasing cutting rooting rate of pecans

Abstract

The invention belongs to the technical field of the vegetative propagation and seedling cultivation technique for plants and particularly relates to a method for increasing the cutting rooting rate of pecans. The method for increasing the cutting rooting rate of pecans comprises the steps that a cutting shoot well cut from a seed tree is soaked in rooting powder processing liquid, ultrasonic treatment is conducted on the cutting shoot through an ultrasonic cell crusher at the same time, and then the cutting shoot is inserted into a matrix, wherein the power of the ultrasonic cell crusher ranges from 200 w to 300 w, ultrasonic treatment is conducted for 5 s to 7 s each time, the interval between every two sequential times of ultrasonic treatment is 5 s to 7 s, the total time of ultrasonic treatment is 2 min to 4 min, the temperature of the matrix ranges from 20 DEG C to 28 DEG C, and the water content of the matrix ranges from 20% to 40%. The method for increasing the cutting rooting rate of pecans has the advantages that the time is short, the rooting rate is high, and the number of cottage batches is large.

Description

technical field [0001] The invention belongs to the technical field of plant vegetative propagation and seedling cultivation, and in particular relates to a method for improving the rooting rate of pecan cuttings. Background technique [0002] American hickory (Carya illinoinensis Koch), also known as thin-shell hickory or long hickory, is a plant of the genus Hickory in the family Juglandaceae and one of the world-renowned dried fruit tree species. American hickory has been introduced to China for more than 110 years. It has accumulated rich experience in the introduction of germplasm resources, improved seed selection, multiplication technology, and high-yield cultivation technology. However, it has not been industrialized so far. One of the main reasons is that The supply of good seedlings is in short supply. With the deepening and promotion of the research on the American hickory industry, the demand for American hickory seeds continues to expand, but the fruiting volum...

AI Technical Summary

Problems solved by technology

[0004] The research on the cutting propagation technology of American hickory mainly includes the "hard branch cutting method of thin-shelled hickory" invented by Wang Zhengjia and others (application number: 201310022277. A method for adventitious rooting of hickory branches" (application number: 201310174751.0), "a method for raising seedlings of thin-shell hickory hardwood cuttings" (application number: 201310247748.7). Although the former has a rooting rate of 80%, it can only grow in late March every year. Cutting, the time is short, and there are few batches of cuttings. The latter two can be cut from winter to spring, but using electric heating wires for heating not only consumes too much energy, but also because the geothermal wires are buried in damp substrates, the joints take a long time. , the wiring is very difficult, and it is easy to break the circuit. The heating wire needs to be replaced once every 1-2 years, and the operation is troublesome and unstable.