Today, the main hazards for everyone to sort out when planting yam yam what pests and diseases have, and what are their control methods. Diseases which harm yam are: anthrax, stem rot, white astringent disease, nematodes and black spot and other soil pests and pests mainly sawfly. Anti Mang key is prevention, end table agricultural practices and chemical control; to reduce losses caused by pest damage to a minimum. One of these methods of cultivation, the halter disinfection: Before planting choose bright color, stout, no spots, 15-20cm long shadow of the head, 50% and 48% carbendazim 600 times chlorpyrifos diluted 1000 times before germination immersion ditch about 30 minutes, then remove and dry, you can kill the seed planted on nematodes and other pathogens carried. Tomorrow will continue to introduce other control methods, please be patient Oh! Today, as we sort out the specific traits of the main yam what has fried yam, the following will be for everyone one by one analysis and explanation. First, the appearance (ie rhizomes): yam rhizome cylindrical, thin straight, 80-100 cm long, 2-3 cm in diameter, the epidermis is drab or khaki, with smooth skin and white spots, long and dense fibrous, hairy eye more prominent, reed head tapering yam, length of about (20 cm - 30 cm), sometimes with a red scar irregular. Epidermal false yam yam cooked lighter in color, and eye sparse hair and smooth. Second, the texture: yam hard texture and delicate meat section, white, pink feet, less mucus quality and lingers for a long time to cook. False yam crisp texture, color yellow section, hand pinch that is scattered, there is a big gap. The third fraternity iron yam, taste: taste yam noodles, sweet, flavor, there are taste, no spicy food is not greasy feeling well for a long time. Tomorrow we will continue to introduce other specific traits of yam, please be patient, love Prince Johnson County CCAC planting cooperatives for everyone finishing introduction. Yam | Prince Zhuang Zhonghe (certified) | yam by Prince Johnson County fraternity CCAC cultivation of professional cooperatives. Prince Edward County village fraternity CCAC planting cooperatives (www.jztzzzh.con) Henan Jiaozuo, a leader in agricultural processing, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In Prince Zhuang Zhonghe leadership with the staff warmly welcome all inquiries negotiations to create the Prince Zhuang Zhonghe a better future.