Rusts are widely distributed and are of great harm. They are more common in wheat rust and faba bean rust, and some are endemic in large areas. Severe output losses are calculated in 10,000 tons. Symptoms of rust: Many pale yellow spots appear on the back of the leaves, and then gradually expand, and turn into tan-colored ecchymosis. After the epidermis covering the ecchymosis ruptures, reddish-brown powder disperses and the corresponding parts of the leaves form fades. Green spots. This kind of freckle is the uredia spores of the pathogenic bacteria, and the red-brown oval spores of the summer spores produce powder. The summer spores are sometimes born on the front of the leaves. On one leaf, there are even more than 2,000 spores on summer, and the diseased leaves are severely lost. In the late stage of growth, the diseased leaves grow dark brown freckle, that is, the teliospores heap. After the epidermis ruptures, dark brown teliospores are released. The incidence of rust disease in our county is 30-85%, and the diseased plant rate is as high as 90%. Therefore, timely pest control, control of the spread of diseases in the later stages, and the degree of harm. It is recommended to use 30% oxazole alcohol suspension agent, mu 15 kg (3 bags) water 50 kg evenly spray. Or use 50% rust suspo Food additives refer to chemical synthetic or natural substances added to food for the purpose of improving the quality, color, aroma and taste of food, as well as for the need of preservative and processing technology. Due to the rapid development of the food industry, food additives have become an important part of the modern food industry, and has become an important driving force of technological progress and technological innovation in the food industry. In the use of food additives, in addition to ensuring their due function and role, the most important thing is to ensure the safety and health of food. Food And Beverage Additives,Stevia Erythritol Blend,Sweetener Enhancer Nhdc,D-Psicose Sweetener Powder Xi'an Double H Health Technology Co., Ltd , https://www.xahnhcj.com