This year, China's sugarcane area has large rainfall in autumn, high temperature, early typhoon, and difficulty in sugarcane production management. At present, the main pests and diseases in sugarcane fields include aphids, aphids, rots, brown streak, and rust. Zhongke plant protection experts warmly reminded that autumn is a key period for the formation of sugarcane production. After the typhoon in coastal areas this year, sugarcane lodging is serious. All localities are monitoring the occurrence of food crop pests and diseases, and strengthening the monitoring and investigation of the occurrence of sugarcane diseases and insect pests. Information on pests and diseases, scientifically guiding sugarcane farmers to carry out prevention and control work in a timely manner.
First, wind and disaster reduction
This year, the typhoon damage in coastal areas is more serious, and wind and disaster reduction work should be done well. To be high-cultivation soil, the height is 30 cm, and the soil should be full and steamed. After the typhoon, the sugarcane should be straightened in time, tied into a "human" frame to promote the normal growth of sugar cane.
Second, water and fertilizer management
Autumn is a critical period for the formation of sugar cane production. In the dry season, deep irrigation should be carried out every 10 days or so, and the water content within 50 cm below the surface of the soil should be more than 80% of the maximum water holding capacity. During this period, the plant nutrient demand is also large, and it is necessary to fertilize according to the situation in the field. When the leaves are yellow, they should apply the strong tail fertilizer as soon as possible, and apply 15 kg of quick-acting nitrogen fertilizer per acre.
Third, pest control
1. Promote green prevention and control technology: Apply frequency-vibration insecticidal lamps to trap pests such as sugarcane mites, and use pest attractants to trap sugarcane mites such as mites, mites and scutellaria, and reduce the use of pesticides .
2, prevention and control of sugarcane aphids in the control period or in the field after the emergence of sporadic seedlings immediately after the application of pesticide control, can use a drill axe (5% avermectin • amide emulsifiable concentrate) 200 ml, or with iron drill (3.2% Abamectin•amide emulsifiable concentrate) 200 ml, or use sand slash (5% transdermal avermectin emulsifiable concentrate 200 ml + 5% hexaflumuron emulsifiable concentrate 100 ml) for a total of 300 ml; or use double punches (5%) Transdermal avermectin EC 150 ml +44% (C-chloro) emulsifiable concentrate 150 ml) A total of 300 ml of water 60 kg spray.
3, prevention and control of sugarcane aphids, thrips can use spurs (20% acetamiprid solution) 1500 times liquid, or acres with St. John / Kayan (50% pyridone water dispersible granules) 15 grams, or sweep / Jinlie (80% olefinic pyridoxine water dispersible granules) 6-8 grams of water 60 kg control.
4, shoot rot, brown stripe disease, rust: can use Fumi (30% diphenyl ether a prothrazole EC) 20 ml to prevent shoot rot; select Miaodu (80% carbendazim WP) 800 Double liquid spray to prevent brown streak disease; use mud arrow (43% tebuconazole suspending agent) 12-18 ml, or green rice (40% flucyclazole • carbendazim suspension) 24 ml water 60 kg control rust . It is necessary to remove the diseased plants in time, remove the diseased leaves, remove the old foot leaves, and remove the weak and weak plants.
4. Promote pesticide reduction and control technology. Use pesticide additives to penetrate 5 ml of water per barrel to improve the efficacy, reduce the use of chemical pesticides, and protect the environment. In places where conditions permit, aerial dredging can be carried out by drones for centralized control.
More pesticide knowledge, please pay attention to China Pesticide Network
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