黑龙江省平榛种质资源调查、选优与收集的研究

平榛是黑龙江省重要的坚果资源,是榛子育种中的重要优质材料,对此我们对全省平榛资源进行了广泛的调查,选择的优良林分包括平榛10个林业局、10个优良林分、面积5.1hm2;优良单株为平榛700株。同时在东京城林业局三道林场苗圃建立了种质基因库。我们确定树高、冠幅、当年生枝的长度、雄花序、每序结果、株结果数和单果重等是平榛重要种质资源性状指标,也是重要的育种目标性状。

Study on Investigation, Excellent Selection and Collection of Corylus heterophylla Germplasm Resources in Heilongjiang Province

Corylus heterophylla are an important resource in Heilongjiang province,and are high-quality materials for hazelnut breeding.So we have extensively investigated the hazel resources in our provinse,and selected 10 fine stands in 10 forestry bureaus,an area of 5.1 hm2,700 excellent plants.Meanwhile we have established germplasm gene bank in Sandao forest farm seedling nursery of Dongjingcheng forestry bureaus.We have determined some important germplasm resources traits of Corylus heterophylla Fisch.,such as height,crown diameter,the length of branches,the male inflorescence,the nuts per plant and fruit weight per nut,which were also important objective traits for breeding.