After consultations organized by experts from the National Agricultural Technology Extension Service Center, it is expected that major crop diseases and insect pests in China will continue to focus on the year of occurrence in 2011. The degree is more important than last year, with an area of ​​approximately 5.7 billion mu, an increase of 4% year-on-year. Before spring sowing, the majority of farmers’ friends need to be prepared to prevent and treat pests and diseases.
According to the survey, many crop diseases are caused by seed-borne bacteria at the seedling stage. If appropriate measures are taken during the sowing period to prevent and control, they can often receive a multiplier effect.
Control corn, sorghum smut, can be used 25% triadimefon wettable powder seed dressing, the amount of 0.2% to 0.3% of the amount of seeds; control of millet white disease, available 25% Rhizoctonia wettable powder or 35% Rhodiola Seed dressing agent, according to the seed amount of 0.3% to 0.5% seed dressing.
To prevent the contamination of cotton seeds, 40% carbendazim gel suspension can be used to dilute the water to form an effective concentration of 0.3% solution and soaking for 14 hours at room temperature. To prevent and treat diseases at the seedling stage of cotton, 25% triadimefon wettable powder can be used to seed 0.3% of the seed amount.
For peanut field where nematode disease has occurred, 10% grams of phosphoric acid granules can be applied at 2 to 4 kg/mu when planting; control peanut stalk rot, 50% carbendazim WP can be used. 0.3% seed dressing.
In addition, sowing before the broadcast is an important measure to prevent disease and increase production.
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