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此久(B—9)即B995,又名Alar;Alar—85。它是一种植物生长调节剂(或延缓剂)。化学名称N—二甲胺基琥珀酰胺酸;分子式:C_8H_(12)N_2O_3。一九六二年美国橡胶公司首先发现,以后引起各国的重视和广泛试验,发现其在苹果、葡萄、马铃薯、花生、蚕豆、大豆等有良好效果。日前,比久在美、日、英、苏等国已工业化投产和广泛应用。我国沈阳化工研究院于一九七三年开始研制成功,同年投入田间试验。后来引起全国很多单位注意,在苹果、橡胶及大田作物花生、马铃薯等生产中扩大了试验。现在,苹果、花生、马铃薯等生产已广泛使用。近年来,在磨菇生产上的试验,也发现比久有良好的保鲜效果。
This long (B-9) that B995, also known as Alar; Alar-85. It is a plant growth regulator (or retarder). Chemical name N-dimethylamino succinamic acid; Molecular formula: C_8H_ (12) N_2O_3. In 1962, the U.S. rubber company first discovered that it has drawn great attention and extensive tests from various countries and found that it has good effects on apples, grapes, potatoes, peanuts, broad beans and soya beans. Recently, for a long time in the United States, Japan, Britain, the Soviet Union and other countries have been industrialized and widely used. Shenyang Chemical Research Institute of our country started the successful development in 1973, the same year put into field trials. Later, many units in the country were attracted attention and their experiments were expanded in the production of peanuts, potatoes and other crops for apples, rubber and field crops. Now, apple, peanut, potato and other production has been widely used. In recent years, the mushroom production test, also found that longer than a good preservation effect.