论文部分内容阅读
大石早生李原产日本 ,1993年经郑州果树所引入我镇栽培 ,现就其生育特性及丰产优质栽培要点介绍如下。1 生育特性幼树生长迅速 ,3年生树即可基本成形。树冠紧凑丰满 ,角度较开张。成花早 ,坐果率高 ,2年生树开花株率 10 0 % ;3年生株产 7～ 10 kg,最高株产 15kg;5年生树株产 2
Boulders early Lee native Japan, in 1993 by the introduction of Zhengzhou fruit trees cultivation in my town, now on its reproductive characteristics and high yield of quality cultivation points are as follows. 1 reproductive characteristics of saplings grow rapidly, 3-year-old tree can be the basic shape. Crown compact plump, more open angle. Flowering early, fruit setting rate is high, 2-year-old tree flowering plant rate 10 0%; 3-year-old plant yield 7 ~ 10 kg, the highest yield 15kg; 5-year-old tree yield 2