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针对我国华北、中原平原地区气候特点,育出中林46号等一批杨树新品种,其生长、抗性、树形、材质等项指标均优于并领先于同类国际良种水平。经区域栽培试验,确定了这些新品种的适应性、推广范围及栽培条件。
Aiming at the climatic characteristics of North China and Central Plains in China, a number of new poplar cultivars such as Zhonglin 46 were raised. The indexes of growth, resistance, tree shape and material quality were superior to and above the level of similar international varieties. The regional cultivation experiments to determine the adaptability of these new varieties, to promote the scope and culture conditions.