1984年正式筛选出了怀柔县茶坞乡西坟2号和房山县南尚乐乡下滩大队3号两个优良类型,为北京市第一批山楂优良品种,并分别定名为金星山楂和寒露红山植。金星山楂树姿半开张,多为自然半圆形、果实近圆形,果个较大而整齐,最大单果重13克。果皮细,大红色有光泽,果点小,果肉粉白或粉红,质地细稍绵,肉厚,可食率85.8%。10月 In 1984, the two fine types, the No. 2 West Tomb of Chawu Township and the No. 3 Xiaban Beach of Nan Shangle Township in Fangshan County, were selected as the first batch of fine varieties of hawthorn in Beijing and were respectively named Venus hawthorn and Hanluo red Mountain planting. Venus hawthorn posture half open, mostly natural semicircle, fruit nearly round, fruit larger and neat, the largest fruit weight 13 grams. Peel fine, big red shiny, fruit small, white or pink pulp, fine texture cotton, flesh, edible rate of 85.8%. October