论文部分内容阅读
一、杏的分布和产量蓟县的杏树总株数103,565株(1979年数字),总产量51.9万斤(81年)。以下营工委地区最多,共48,411株,总产22万斤,邦均地区其次,35,774株,总产6.4万斤,其它山区及丘陵区都有零星分布。二、杏的种、主要品种和初选优株蓟县的杏有两个种: 1.杏Armeniaca vulgaris Lam. 乔木,高5～9米。树冠圆头形、半圆形或乱头形。树皮黑褐色,纵裂;一年生枝浅红褐色,有光泽,背面绿褐色,无毛,皮孔大,黄褐色,圆形。节膨大,冬芽圆锥形,簇生;芽鳞褐色,无毛,开花时大部分脱落。
First, the distribution and yield of apricot The total number of apricot trees in Jixian 103,565 (1979 figures), the total output of 51.9 kg (81 years). The following camp working area up to a total of 48,411 strains, with a total output of 220,000 pounds, followed by Bangjun region, 35,774 strains, the total output of 64,000 kg, other mountain and hilly areas have sporadic distribution. Second, the species of apricot, the main varieties and primaries Youji Jixian apricot has two species: 1. Apricot Armeniaca vulgaris Lam. Arbor, 5 to 9 meters high. Crown crown-shaped, semicircular or chaos-shaped. Bark dark brown, longitudinal; annual branches pale reddish brown, shiny, greenish brown, glabrous, lenticel large, brown, round. Day enlargement, winter bud conical, tufted; bud scales brown, glabrous, most of the flowers fall off.