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京红一号由中国科学院植物所杂交育成,属欧亚种。1998年春引入莱阳市试栽,表现出生长势中庸偏强、特早熟、品质优、产量高、抗病强、耐贮运等优点。 一、生物学特性 该品种生长势中庸偏强,枝条粗壮,节间较长,当年生成熟枝条呈褐色或浅紫红色,结果节位2～5节,多为3～4节。叶片呈心脏形,裂刻较深,叶柄洼开张较大,叶缘锯齿较尖,叶片中大,长×宽一般为23cm×25cm,颜色浓绿有光泽,叶背面茸毛稀
Jinghong No.1 is bred by Institute of Botany, Chinese Academy of Sciences and belongs to Eurasian species. The spring of 1998 introduced Laiyang City trial planted, showing strong growth potential of the Middle East, especially precocious, excellent quality, high yield, strong disease resistance, storage and transportation advantages. First, the biological characteristics of the variety of growth potential is moderate, stout branches, internodes longer, then mature branches were brown or light purple, the results node 2 to 5, mostly 3 to 4. Leaf blade was heart-shaped, deep cleft, petiole depression opened larger leaves serrated sharp, large leaves, length × width is generally 23cm × 25cm, color dark green and shiny, thin leaves on the back thin hair