Cupreous preparation and zincous preparation played a role in regulating root growth and development of Ginkgo biloba.The chemical root control preparations of Cu 100 g·L-1,ZnCO3120,160 g·L-1,Zn（AC）2 120,1...Cupreous preparation and zincous preparation played a role in regulating root growth and development of Ginkgo biloba.The chemical root control preparations of Cu 100 g·L-1,ZnCO3120,160 g·L-1,Zn（AC）2 120,160 g·L-1 and DK 1 g·L-1 were able to inhibit the length of first classical latteral root,thereby they controled root growth.The first classical lateral roots treated with cupreous preparation and diquat preparation were shorter than that treated with zincious preparation,however the later produced seedlings with better quality.The length of first classical lateral root,the number of out-side roots with the diameter under 1 mm,and the number of root tips as diameter under 1 mm had linear correlations between them,thus the number of out-side roots could be a better index than the length of first classical lateral root for determining the effective of the root control.展开更多
矮沙樱桃(Prunus pumila var. depressa)是分布于北美洲的固沙灌木树种。在全面了解矮沙樱桃的生物学特性及原产地气候与立地条件的基础上,分析了此树种的生态价值与经济价值,其推广应用对丰富三北地区固沙树种的多样性,将林业的生态效...矮沙樱桃(Prunus pumila var. depressa)是分布于北美洲的固沙灌木树种。在全面了解矮沙樱桃的生物学特性及原产地气候与立地条件的基础上,分析了此树种的生态价值与经济价值,其推广应用对丰富三北地区固沙树种的多样性,将林业的生态效益与经济效益进行有机结合,实现三北工程的可持续发展具有一定的积极作用。展开更多
文摘Cupreous preparation and zincous preparation played a role in regulating root growth and development of Ginkgo biloba.The chemical root control preparations of Cu 100 g·L-1,ZnCO3120,160 g·L-1,Zn（AC）2 120,160 g·L-1 and DK 1 g·L-1 were able to inhibit the length of first classical latteral root,thereby they controled root growth.The first classical lateral roots treated with cupreous preparation and diquat preparation were shorter than that treated with zincious preparation,however the later produced seedlings with better quality.The length of first classical lateral root,the number of out-side roots with the diameter under 1 mm,and the number of root tips as diameter under 1 mm had linear correlations between them,thus the number of out-side roots could be a better index than the length of first classical lateral root for determining the effective of the root control.
文摘矮沙樱桃(Prunus pumila var. depressa)是分布于北美洲的固沙灌木树种。在全面了解矮沙樱桃的生物学特性及原产地气候与立地条件的基础上,分析了此树种的生态价值与经济价值,其推广应用对丰富三北地区固沙树种的多样性,将林业的生态效益与经济效益进行有机结合,实现三北工程的可持续发展具有一定的积极作用。
