论文部分内容阅读
1995年,孟滦林管局从黑龙江省引进了抗寒、优质、耐贮的小型苹果新品种——一串铃。经过8年的引种试栽观察,一串铃完全适于在冀北山区气候条件下栽培,综合性状良好。 1、物候期:一串铃在围场县4月下旬萌芽,5月上旬展叶,5月中旬进入盛花期,5月下旬新梢旺长,7月上中旬停止生长,10月中旬果实成熟,10月下旬落叶,树体营养生长期170天左右。 2、生长与结果习性:一串铃树势中庸,幼树生长直立,
In 1995, Menglun Forestry Bureau introduced a new small-scale apple-tolerant, high-quality and storage-resistant apple - a series of bells from Heilongjiang Province. After 8 years of introduction of the pilot planted observation, a series of bells are perfectly suitable for cultivation in mountain climate of northern Hebei with good comprehensive characters. 1, the phenophase: a string of bell buds in the enclosure county in late April sprout, leaves in early May, in mid-May into the flowering period, the new shoots in May long prosperous, stopped growing in mid-July, mid-October mature fruit, 10 Deciduous month, tree vegetative growth period of about 170 days. 2, growth and the results of the habit: a bunch of Bell moderate potential, young trees grow upright,