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以欧美材料为主对200余份花椰菜材料进行引种适应性研究和试种选优。根据其熟性表现划分五个生育期类型。除第一类型(极早熟)和第五类型(极晚熟)外,第二、三、四类型(分别为早熟、中熟、中早熟)均适于北京地区春季栽培。其中优良早熟品种M。米兰诺已在推广利用。
More than 200 parts of cauliflower materials are mainly introduced from Europe and the United States for their suitability study and trial selection. According to their maturity performance divided into five types of growth period. In addition to the first type (very precocious) and the fifth type (very late maturing), the second, third and fourth types (respectively precocious, medium maturity, premature) are suitable for spring cultivation in Beijing. Among them, the fine precocious variety M. Mirano has been promoting the use of.