In recent years, due to global climate change, wheat in the main wheat producing areas of China often encounters high temperature and high humidity after heading. Light-duty cultivation techniques such as less tillage and large-scale promotion of straw returning to the field have resulted in a sharp increase in the number of Fusarium oxysporum in the main wheat producing areas; plus the variety of wheat varieties and inconsistent growth period, leading to the prevention of scab Difficulties in control, increased incidence of disease, and the resulting contamination of Fusarium toxin in wheat is very serious.
In order to ensure the quality and safety of wheat, the national agricultural product quality and safety risk assessment team conducted in-depth research on the occurrence of Fusarium toxin and its whole process control technology, revealing the risk of Fusarium toxin and its key control points, and proposed the whole process of wheat quality and safety control. technology.
In the field planting, high-risk areas of Fusarium toxin in wheat, such as Jiangsu, Anhui, Hubei, and southern Henan, should be selected for planting in this region, with mild resistance to scab or low toxin accumulation, and should not be planted across regions; Sowing, ensuring the seedlings and seedlings, reducing the chance of encountering rainy weather during the heading and flowering period; using the precision or semi-precision seeding technique to control the planting density of wheat.
In the growth of wheat, it is necessary to prevent water accumulation in the field. After rain, it should be drained and degraded in time. Especially during the flowering and maturity stages, it is not advisable to over-irrigate and control the humidity in the field. According to the prediction information of scab, do a good job in chemical prevention and control. flowering Stage good use of a second drug, such as medication 7 days in case of continuous rainy or humid weather, shall 2nd medication; Control pesticide tebuconazole recommended, JS399, carbendazim, or with JS399 Tebuconazole compounding agent or tebuconazole and carbendazim compounding agent, and using the recommended dosage, the same area should be used alternately or in combination during the year; Jiangsu, Anhui and other areas with prominent carbendazim drug resistance problems, Carbendazim should not be used alone; after wheat heading, methoxy acrylates that stimulate the production of Fusarium, such as azoxystrobin and pyraclostrobin, should not be used.
In the wheat harvesting stage, harvesting should be carried out at the end of the wheat wax to the beginning of ripening and when the moisture content is ≤22%. In case of continuous high temperature and high humidity weather, it should be grabbed and harvested by combine harvester. In the area where the risk of Fusarium toxin is contaminated, the air volume of the combine harvester should be appropriately increased, and the threshing room and storage bin of the harvesting machine should be cleaned in time to avoid toxin pollution. The moisture content should be determined in time after harvesting, and the water content of the grain should be less than 12.5%. When the moisture content is higher than 12.5%, the conditional areas may be air-dried or mechanically dried according to the requirements of the Wheat Drying Technical Specification (GB/T21016-2007), and cooled and stored in a ventilated and dry place as soon as possible; In areas where temporary storage is required, it should be ensured that the moisture content is less than 14% and the temporary storage time should not exceed 10 days. After the harvest, the straw should not be directly returned to the field, and should be destroyed or decomposed at high temperature to reduce the source of initial infection of the next year.
After harvesting, the wheat should be regularly monitored for temperature, humidity and grain moisture content before storage. The storage temperature and humidity should be adjusted according to the moisture content. Regularly detect the content of Fusarium toxin in stored wheat. According to the National Food Safety Standard for Mycotoxins in Foods (GB2761-2017), the content of deoxynivalenol (vomiting toxin) exceeds 1,000 μg/kg or zearalenone. Wheat with a content of more than 60 μg/kg should be separated, stored separately, and promptly notified to relevant departments.
In the wheat transportation process, the transportation tools and storage containers should be cleaned and dried before and after transportation. If necessary, use a registered biocide to disinfect the vehicle. The transportation process should adopt measures such as sealing containers and draping cloth to prevent the wheat from getting wet during transportation. The continuous high temperature (30 ° C) during transportation should not exceed 5 days.
In 2018, the main wheat producing areas in China, especially the Yangtze River Basin, the Huaihe River Basin, and the southern wheat area of ​​Huanghuai, comprehensively carried out the prevention and control of wheat scab, effectively curbing the threat of production reduction caused by scab. However, due to the fact that there are more rains in the late stage of wheat growth in some areas and different degrees of lodging, the quality and safety of wheat still need to be highly valued. The Huanghuai, the middle and upper reaches of the Yangtze River and the wheat areas of the Jianghuai River Basin have been harvested. All localities should control the key risk points of wheat quality and safety according to local conditions, and harvest the harvest, timely drying or mechanical drying to ensure the high yield and high quality of wheat.
(Source: Farmers Daily)
Protein covers a percentage of 55 to 60 in Corn Gluten Meal, other contents are amino acid, various vitamin and micro-element.It's a kind of good feed purified additive for poultry and live stocks growing and disease-resistant. Furthermore, it can also be used to extract natural pigment and various amino acid.usually called corn_coloring element and widely used in industries. With high protein, they are widely used in feeds industry, especialin shrimp breed aquatics , shrimps are grown well with this supplement.It's a kind of good feed purified additive for poultry and livestocks growing and disease-resistant. Furthermore,it can also be used to extract natural pigment and various amino acid.
Corn Gluten Meal,High Protein Corn Gluten,Corn Gluten Meal 60,Cgm 60
MIDI FEED BIOTECH LIMITED , https://www.chinabromine.com