At present, the incidence of scallion rust is relatively wide, often resulting in reduced onion production, quality deterioration, affecting onion farmers income. Here, the control method of shallot rust is described below for reference.
1. Apply base fertilizer before transplanting. Per acre of small green onions can be used to compost 3,000 tons of pig manure, 45% of the NPK fertilizer 25 kg, and after thoroughly turning over, and then transplanted onion.
2. Improve the disease resistance of onion strains. In addition to doing well in field management such as drought and waterlogging, during the period of easy spring and autumn, 15-20 kg of ammonium bicarbonate should be applied per acre to promote growth of young onions and resist diseases.
3 timely medication control. In the spring, especially in the continuous rainy days 2-3 days, we must promptly check the occurrence of shallot rust, if it is found on the onion leaves have brown green spots, it is necessary to fight drugs immediately, the agent can be used 3000 times 25% triadimefon EC , Add a small amount of washing powder, use a sprayer to spray fine mist, spray again and again after 7-10 days to prevent disease.
Food additives are compounds or natural substances added to food for the purpose of improving the color, aroma, and taste of food, as well as for the needs of anti-corrosion and processing technology. At present, there are 23 categories of food additives, with more than 2,000 varieties, including acidity regulators, anticaking agents, defoamers, antioxidants, bleaching agents, leavening agents, coloring agents, color retention agents, enzyme preparations, and flavor enhancers, nutritional fortifiers, preservatives, Sweeteners, thickeners, spices, etc.
Erythritol, Sweetener, Pigment, XOS , Carotene, fish oil
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