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廊坊杨4号是廊坊市农林科学院科研工作者历经20多年,在供试的382个术技用杂交组合、28143株杂种后代中,精选出的在盐碱地条件下速生、高产的工业用材杨树杂种新无性系。其杂交组合式:[山海关杨×(小美23+白榆)],遗传基础丰富,具有明显的超亲变异性状。“耐盐碱工业用材廊坊杨4
Langfang Yang 4 is Langfang Academy of Agriculture and Forestry scientific research workers after more than 20 years, 382 in the trial of technical and technical hybrids, 28,143 hybrids offspring, selected in salt and alkali conditions, fast-growing, high-yielding industrial poplar Hybrid new clones. The hybrid combination: [Shanhaiguan Yang × (small US 23 + elm)], rich in genetic basis, with significant super-parents variability traits. "Saline-resistant industrial materials Langfang Yang 4