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通过对一株既能促进苹果幼苗生长，又能减轻苹果叶果病害的蜡质芽孢杆菌Ｂｏ１７（经鉴定为Ｂａｃｉｌｕｓｃｅｒｅｕｓｓｐ）的代谢液中生理活性物质的测定，表明该菌株能分泌ＩＡＡ、ＧＡ３、ＡＢＡ、ＣＴＫ等生长激素；Ｂｏ１７能产生ＶＢ１、ＶＢ２、ＶＣ等维生素；能产生与植物抗逆性直接相关的ＳＯＤ酶。能消耗１６种氨基酸，７种矿质元素，营养需求比较广泛。
The results of bioassay showed that the strain could secrete IAA, GA3, ABA (Abscisic acid) in a metabolic liquid of Bacillus cereus Bo17 (identified as Bacillus thuringiensis), which can promote the growth of apple seedlings and alleviate the disease of apple leaf. , CTK and other growth hormones; Bo17 can produce VB1, VB2, VC and other vitamins; can produce plant stress resistance directly related SOD enzyme. Can consume 16 kinds of amino acids, 7 kinds of mineral elements, nutritional needs more extensive.