报道了与危害中国秦岭华山松的华山松大小蠹相关的真菌新种,描述了其有性阶段和无性阶段的形态特征。研究标本保存于西北农林科技大学。
During a recent survey of fungi associated with bark beetle in Qinling Mountains of China, a new species was isolated, and the aim of this study was to describe this fungus.
结论卵巢生殖细胞肿瘤中无性细胞瘤和胚胎性癌分化水平最接近于生殖母细胞至胚泡阶段。
Conclusions the differential level of dysgerminoma and embryonal carcinoma approximates the stages of gonocyte and blastocyst.
无性繁殖在林业中应用很普遍,而由树木发育阶段转变带来的成熟效应问题,一直是无性系造林的障碍。
Vegetative propagation is widely used in forestry, however, the maturation that due to phase changes during tree development is a huge obstacle.
无性繁殖在林业中应用很普遍,而由树木发育阶段转变带来的成熟效应问题,一直是无性系造林的障碍。
Vegetative propagation is widely used in forestry, however, the maturation that due to phase changes during tree development is a huge obstacle.
应用推荐