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抗菌剂“401”、扁柏叶及福尔马林熏蒸红苕防止窖藏期黑斑病效果很好。根据1963年我省示范,三种药剂熏蒸的平均防治效果为41.8—69.8％;1964年各在郧县推广,防治效果高达62.4—80.8％,深受群众欢迎。 抗菌剂“401”熏蒸:红苕装好窖后,在苕堆上铺一层稻草等覆盖物,然后将药液喷在上面。药液量以1斤原液兑水25斤,按每百斤红苕喷洒配好的药液4两(十两制)密闭窖口4天,然后取出覆盖物,并敞开窖口通气。 福尔马林熏蒸:红苕装好窖后(红苕只装在窖洞,窖筒留空),按每百斤红苕用40％福尔
Antibacterial agent “401”, cedar leaves and formalin fumigation Red Clover prevent calamity good effect. According to the demonstration in our province in 1963, the average control effect of the three chemical fumigation was 41.8 to 69.8%. In 1964, each was promoted in Yun County and the control effect was as high as 62.4-80.8%, which was well received by the masses. Antibacterial agent “401” fumigation: After the red calabash installed cellar, a layer of straw and other coverings are stacked on the heap, and the liquid is sprayed on it. The liquid volume to 1 kg of stock solution watered 25 pounds, per hundred jinhong 苕 spray with a good liquid 4 two (ten system) sealed jars for 4 days, and then remove the cover and open Jiaokou ventilation. Formalin fumigation: red calabash installed after the cellar (red croaker only installed in the cellar hole, cellar empty), per 100 catties of red croquette with 40%