Method for breeding konjac seeds in winter by using konjac rhizomes

Abstract

The invention discloses a method for breeding konjac seeds in winter by using konjac rhizomes. The method comprises the steps of sorting, cutting, wound cleaning, drying, preserving, germination acceleration, sowing and field management. The method has the advantages that the rhizome seed source can have effective seed buds and vigorous vitality by sorting and cutting; by wound cleaning and drying, the disease resistance of the rhizomes can be improved, and plant diseases and insect pests can be reduced; dormancy of rhizome terminal buds can be released by long-time preservation; a germination acceleration effect can be improved by proper temperature and humidity; after the germination acceleration, the konjac can be germinated in advance, so that the growth period of konjac plants is prolonged, and the weight of single konjac is increased; the yield of the konjac seeds can be improved by proper close planting and sowing depth; experiments prove that the weight of each corm obtained at a secondary growth period by using the konjac seeds bred in winter by using the rhizomes at the low altitude (500 to 800 meters) place of Wuling mountain area reaches about 100 grams, and the yield in each mu can reach about 1,200 kilograms; and the konjac is planted when a field is idle, so that the utilization rate of the land is improved.

Description

technical field [0001] The invention relates to a method for breeding crops, in particular to a method for breeding seed taro in winter by using konjac rhizomes. Background technique [0002] Konjac, also known as Konjac, belongs to the perennial tuber herbaceous plant of Araceae; it is mainly produced in the tropical and subtropical regions of the Eastern Hemisphere, and China is one of its origins. Sichuan, Hubei, Hunan, Yunnan, Guizhou, Shaanxi, Guangdong, Guangxi, Anhui, Fujian, Taiwan There are many kinds of konjac, there are more than 260 varieties in the world, and 21 kinds in China, 8 of which are endemic to China. [0003] The history of the application of konjac in our country was first seen in Tao Hongjing's "Famous Doctors" in the Wei and Jin Dynasties. Konjac was first recorded as a medicine, and later medical works of all dynasties were compiled. method. [0004] Konjac is a beneficial alkaline food. For people who eat too much animal-based acidic food, eatin...

AI Technical Summary

Problems solved by technology

In 2006, domestic and foreign demand for fresh konjac was 900,000 tons, while the output was only 520,000 tons, far from meeting the demand

[0007] Since the 1980s, Chinese konjac has started to develop industrially, but due to the late start, there has been no major breakthrough in planting technology, especially in the breeding of konjac seed, there are many deficiencies. Since konjac is a perennial plant, the seeds have to pass Only after 2-3 years of cultivation can it be used as a kind of taro to produce commercial taro. In order to speed up the production speed of konjac, people have thought of many ways. Now the more popular methods are rhizome propagation method, small tuber propagation method and cutting propagation method, etc. Compared with seed breeding, these methods have greatly accelerated the breeding speed, but there are still many shortcomings

Patent No. 01131202.5 announced "A Method for Industrialized Rapid Propagation of Konjac", which is to change the natural growth cycle of konjac rhizome expansion through heat stimulation on the basis of tissue culture seedlings, and the matching growth and cultivation technology realizes the artificial rapid growth of previous generations. Propagation, this method still can only obtain the miniature taro seed below 60g through several generations of propagation, can't meet the needs of producing commercial konjac quickly; The effect is to create pollination opportunities to obtain a large number of low-cost konjac seeds, but it still takes 2-3 years for the konjac seeds to be cultivated into seed taro, which still cannot meet the needs of quickly producing commercial taro

In addition, there are many places where the folks use rhizome breeding methods, but they are generally simple to operate, and no attention is paid to disinfection, germination and seeding methods, resulting in low survival rates and affecting economic benefits.