Recently, technicians from the State Agricultural Technology Extension Center visited Guangbing Village, Xincheng Township, Yingjiang County, and Dazhai Village, Taiping Town, to investigate the development of the konjac industry, check the management of konjac planting, and provide "nanny-style" technical services to new business entities and farmers .
Konjac is a plant rich in glucomannan in the world. Due to the special physical and chemical properties of glucomannan, konjac powder is widely used in the fields of food, medicine and chemical industry. In the past ten years, with the continuous expansion of the international konjac product consumer market, the price of konjac products in my country has continued to rise, and the konjac industry has developed rapidly. Dehong Prefecture has rich germplasm resources and is suitable for planting. However, due to various reasons, the konjac industry in our prefecture has experienced three ups and downs. The industry has been scattered, small, and weak for a long time. The advantages of resources, variety and technology have not been transformed into industrial development advantages in time.
In recent years, as the konjac market has heated up, new types of business entities such as professional konjac cooperatives and large planters in our state have increased year by year, the industrial chain has gradually improved, and the scale of planting has continued to expand. At the konjac planting base in Guangbing Village, Xincheng Township, Yingjiang County, the scientific and technical personnel and the big grower Zhao Xinghai had a heart-to-heart talk, discussed konjac planting techniques, discussed the way out for industrial development, and further understood the difficulties and problems of the new business entities, and were planting konjac. Suggestions on the problems of over-density planting and insufficient shading are provided.
Xu Wenguo, deputy director of the State Agricultural Technology Extension Center and senior agronomist, suggested that the high yield and high risk of the konjac production process coexist. Close”, scientific planting, effectively avoid planting risks. One is to close good varieties. For fields below 1200 meters above sea level, the pearl bud konjac varieties such as "Dekonjac No. 1" and "Dian Konjac No. 11" with strong resistance to humidity and heat should be selected. For plots above 1700 meters above sea level, konjac varieties such as "Dian Konjac No. 1" and "Local Green Konjac" should be selected, which are resistant to cold and cold and have strong disease resistance. The second is to shut down good taro planting. Strict quality inspection procedures for seed taro, prevent diseased taro and high-generation taro from entering the field, and cut off the source of disease infection; adhere to the development method of self-reproduction and self-preservation of taro, start small-scale and low-cost start, and avoid long-distance and large-scale adjustment. Planting; prior to planting, seed taro should be classified and categorized, and planted by grading and slicing to increase yield. The third is to close a good field. Konjac is an underground tuber crop, which likes humidity and cannot tolerate waterlogging. The planting fields require good drainage and irrigation conditions. At the same time, the fields are required to have loose and fertile soil and high organic matter content. Increased application of organic fertilizers and potash fertilizers can effectively increase yield and quality, and the application of chlorine fertilizers is avoided. The fourth is to prevent and control diseases, pests and weeds. It is necessary to adhere to the plant protection policy of “prevention first, comprehensive control”, and adopt a combination of physical control, biological control and chemical control to effectively control plant diseases, insects and weeds; implement technical measures that combine crop rotation and intercropping to give full play to biodiversity The principle is to effectively reduce the risk of soft rot outbreaks; the development strategy of breaking up into parts and gathering more into more should be adopted, and large-scale contiguous development should not be avoided.
