What pesticide does wheat rust use?
Wheat rust is not only one of the common diseases of wheat, but also the most harmful disease, so what kind of pesticide is used in wheat rust?
What is wheat rust
Wheat rust is a disease that occurs mainly in leaves, leaf sheaths, stems and spikes. Chlorotic spots appear at the initial stage of the disease, followed by reddish-brown pink blisters (summer spores). The summer spores are small and orange-brown, scattered irregularly on the leaves, and will grow black broad oval to long oval and buried under the epidermis on the back of the leaves and stems in the later stage. these winter spores tend to be arranged longitudinally according to the straw.
Wheat rust can be divided into stripe rust, leaf rust and stem rust. In China, the three kinds of rust are infected by summer spores generation by generation on crops such as wheat to complete the annual cycle.
Generally speaking, there are more Rain Water in autumn, winter, spring and summer, the area of susceptible varieties is large, the amount of bacteria source is large, the occurrence of rust is serious, and vice versa.
What pesticides are used for wheat rust?
15% vermicellin wettable powder, 20% strychnine EC and 25% strychnine wettable powder can be sprayed on wheat with water. If the condition is more serious, the dosage can be increased as appropriate.
In addition to medication, wheat rust can also be controlled by these methods:
1. Ploughing and killing stubble in time after wheat harvest, eliminating authigenic wheat seedlings and reducing the source of oversummer bacteria.
2. Do a good job in the rational distribution of disease-resistant varieties in the region and cut off the transmission route of bacterial sources.
3. Planting disease-resistant varieties according to local conditions is the basic measure to control wheat rust.
In the land where autumn seedlings suffer from severe disease all the year round, seeds can also be mixed with 15% vermicellin wettable powder 60g 100g or 12.5% Supra wettable powder before sowing.
- Prev
How does it winter?
Fragrance vine winter needs to maintain the ambient temperature above 10 degrees, and there must be sufficient light. Control watering in winter, and stop fertilizing, allowing it to survive the winter by dormancy. How do you usually maintain it? 1. How to maintain Fragrance Vine at ordinary times?
- Next
How do rich bamboos spend the winter?
Need to move to more than 10 degrees indoor to ensure that there is sufficient light. If the hydroponic rich bamboo needs to change water once in 7-10 days, the water should be consistent with the original water temperature, while the soil culture needs to reduce the watering times and quantity, and spray water around it when dry.
Related
- A course of planting techniques and methods on how to grow carrots
- How to plant the latest tulips?
- Is it better to pick tea in the morning or in the afternoon? When is the best time for tea to be picked? what is the third or fifth tea?
- Launch Yuanxiao Happy combination Haocha + Tea Yuan healthy Taste
- Penghu Tourism "Fireworks 20 Parade with You"
- 2022 West Lake Happiness holds "Digital Revitalization Voucher" and draws iphone13 and laptop.
- Banqiao Fuzhou social houses are designed to change start-up combined with police elimination to create a safe and livable environment
- The convenient measure of "mechanical weeding" in Xinbei has been abused and the Agriculture Bureau has imposed heavy penalties on the illegal land consolidation.
- Changgeng University Joins Hands with Four Memory Factories to Rescue Memory Talent Shortage
- The list of Taiwan's top 100 MVP managers is listed by the Director-General of the Farmers' Association of Sanxia District.