论文部分内容阅读
过去,南方栽培苹果,被列为不适宜区。我场年降雨量1100mm。7～8月最高气温39℃可出现10天以上。80年代中后期,我场根据有关资料提供的优良品种数据,连年进行了20个苹果品种试栽,从中优选出“别拉”、“伏翠”、“丰艳”、“安娜”、“加拉”,这5个品种基本达到北方优质苹果标准。1993年又从美国南部热带城市休斯敦、迈阿密引入“南萍1号”、“南魁”、“南明星”繁育和高级换头,表现出当年春苗圊嫁接育苗,当年秋形成大量腋花芽(注:此
In the past, cultivated apples in the south were listed as unfit areas. My annual rainfall of 1100mm. 7 to August the maximum temperature 39 ℃ can appear more than 10 days. In the mid and late 1980s, according to the excellent variety data provided by relevant materials, we conducted trial planting of 20 varieties of apples in successive years, and selected “Bela”, “Vaucluse”, “Feng Yan”, “Anna” and “Plus” Pull “, these five varieties basically reached the northern high-quality apple standards. In 1993, we introduced the breeding and advanced replacement of ”Nanping 1“, ”Nankui“ and ”Nanmingxing" from the tropical southern cities of Houston and Miami in the southern part of the United States. Note: this