A high-efficiency multiplication method for perennial forage corn

Abstract

The invention belongs to the field of propagation of forage maize, and specifically relates to an efficient propagation method of perennial forage maize. The method comprises the steps of cutting offthe upper part of the stalk of the perennial forage maize from final vegetative growth period to early tasseling stage, and covering incisions with talc powder, removing leaves and sheaths on the stalk to promote germination of the axillary buds in the middle and lower parts of the stalk; the cutting the middle of each internode to form stem sections as seed seedlings; immersing the seedlings in water, and soaking the seedlings in a naphthalene acetic acid solution and a carbendazim solution; then planting the stem sections in a nursery, and making an arch frame as a greenhouse for warming andwintering before a first frost; and in early spring, keeping the ground temperature stable at 10 DEG C or above for seedling strengthening for 7 days, and transplanting or selling the obtained seedlings. The method of the invention breaks top advantages and utilizes the nutrient of mother plants to promote development of the auxillary buds, thereby increasing the propagation coefficient of an individual plant, and the propagation coefficient is improved by 40% compared with the propagation coefficient of a cutting method; secondly, the seedling rate of the method of the invention is 20% higher than that of the cutting method; and in addition, the method of the invention has low seedling cost.

Description

technical field [0001] The invention belongs to the field of propagation methods of perennial forage corn, and in particular relates to a high-efficiency propagation method of perennial forage corn. Background technique [0002] my country feeds 22% of the world's population with 7% of the world's arable land. With the continuous increase of population and the decrease of arable land, food issues have increasingly become the focus of attention. Especially in the southern provinces and regions of our country, there are many people and little land, and the mountainous area accounts for about 70%, so the food problem is more prominent. The food problem is actually a problem of feed grain to a large extent. With the improvement of people's living standards in our country, the demand for meat and milk food has increased significantly, and the demand for feed grain has further increased accordingly, and the shortage of feed grain has become more serious. for highlighting. The sp...

AI Technical Summary

Problems solved by technology

[0006] Aiming at the problems of low seedling rate and high cost in the current cutting propagation and division propagation of perennial forage corn, the purpose of the present invention is to provide a high-efficiency propagation method for perennial forage corn

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