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对17个白三叶栽培品种的潜伏氢氰酸含量(HCNp)进行了比较。当供给的磷不足时,HCNp的变化范围由CV Lucky品种的24毫克/公斤干物质到CV Huia品种的约640毫克/公斤干物质;若供给充足的磷,其范围为6毫克/公斤干物质到322毫克/公斤干物质。除了CV Clarence品种外,所测定的四个北美栽培品种的HCNp明显地低于所有欧洲或澳大利亚栽培品种。
The latent HCN contents of 17 white clover cultivars were compared. HCNp varied from 24 mg / kg of dry matter of CV Lucky varieties to about 640 mg / kg of dry matter of CV Huia varieties when sufficient phosphorus was supplied, and 6 mg / kg of dry matter if sufficient phosphorus was supplied To 322 mg / kg dry matter. In addition to the CV Clarence varieties, the HCNp of the four North American cultivars tested was significantly lower than that of all European or Australian cultivars.