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一、洗衣粉加烧碱防治法:洗衣粉15g,20%的烧碱液15ml,水7.5kg,三者混合均匀后喷雾。24～48小时后检查,红蜘蛛的死亡率达94%～98%。二、苦楝叶加辣蓼草防治法:取苦楝树枝叶和辣蓼草各2kg,切成长3cm～5cm放入锅内,加水10kg～12kg煮沸,再加入浓度20%的草木灰水1kg,继续煮沸1小时。然后过滤,取滤液1份加水3份稀释后喷布,24～48小时后,防效可达98.7%。三、鲜松针防治法:取新鲜松针3kg,切短后加水7kg,熬煮40分钟后过滤,再加水40kg～50kg喷施,每隔5～7天喷一次,连续喷2～3次,防效在90%以上。四、久野果汁防治法:将新鲜的久野果捣烂,加水浸泡一昼夜后用纱布滤渣,取滤液稀释2～3倍后立即喷施,24～48小时后,防效在90%左右。五、地瓜种子防治法:将地瓜种子晒干磨碎成粉,取粉200g放入适量的水中浸泡4小时,再加水40kg,并混入0.3%中性肥皂液喷雾,防效可达92%。
First, washing powder and caustic soda prevention and treatment method: washing powder 15g, 20% caustic soda 15ml, water 7.5kg, the three mixed evenly spray. 24 to 48 hours after the check, the red spider’s mortality rate of 94% to 98%. Second, the neem leaves and spicy Polygonum control method: Take Neem tree leaves and spicy Polygonum 2kg, cut into the growth of 3cm ~ 5cm into the pot, add water 10kg ~ 12kg boiled, then add 20% concentration of ash water 1kg, continue to boil 1 hour. Then filtered, take the filtrate 1 parts diluted with water 3 minutes after dispensing, 24 to 48 hours, the control effect of up to 98.7%. Third, the fresh pine needles control law: Take fresh pine needles 3kg, cut short after adding water 7kg, 40 minutes after boiling filter, add water 40kg ~ 50kg spray, spray every 5 to 7 days, spray 2 to 3 times in a row, Effective at 90%. Fourth, long wild fruit juice control law: the fresh long wild fruit mash, add water soak a day and night with gauze filter residue, take the filtrate diluted 2 to 3 times immediately after spraying, 24 to 48 hours, the control effect of about 90%. Five, sweet potato seed control law: sweet potato seeds are ground into powder, take powder 200g into the amount of water soak for 4 hours, add water 40kg, and mixed with 0.3% neutral soap spray, the control effect of up to 92%.