The method of cultivating seedlings of Sophora japonica f.flavi-rameus on rootstocks of Sophora japonica Linn.was introduced in this study,including rootstock cultivation,grafting and post-grafting management,specific...The method of cultivating seedlings of Sophora japonica f.flavi-rameus on rootstocks of Sophora japonica Linn.was introduced in this study,including rootstock cultivation,grafting and post-grafting management,specifically,seed collection,sowing,and breeding large seedlings in the cultivation of rootstocks;grafting time,scion collection and treatment,rootstock treatment,as well as techniques of stump grafting and bud grafting;focuses of post-grafting management,such as checking the survival conditions and untying the film,bud picking,pinching,topiary work,moisture and fertilization management,disease and pest control.Then the application of Sophora japonica f.flavi-rameus in gardens was analyzed,and it was proposed that biological characteristics and aesthetic principles should be followed,proper planting patterns should be applied,such as isolated planting,group planting,mass planting,linear planting and so on,moreover,it could also be combined with other species to create outstanding landscape effects.展开更多
The techniques of production rutin were studied.The wet raw dust mixed with 0.4% borax solution after being put for 24h were extracted under reflux 2 time (20min each time) using methanol adjusted pH=8~9 by lime milk...The techniques of production rutin were studied.The wet raw dust mixed with 0.4% borax solution after being put for 24h were extracted under reflux 2 time (20min each time) using methanol adjusted pH=8~9 by lime milk as extracting agent.The raffinate was concentrated under vacuum into extract,which was then dissolved in boiling water.The solution was adjusted pH=3 and was crystallized.The refined rutin was obtained after the crystal was dissolved in boiling water and was decolored by acticarbon.It was found that the extraction efficiency was increased and the weakness of hard filter in aqueous extraction was overcome in this technology.展开更多
文摘The method of cultivating seedlings of Sophora japonica f.flavi-rameus on rootstocks of Sophora japonica Linn.was introduced in this study,including rootstock cultivation,grafting and post-grafting management,specifically,seed collection,sowing,and breeding large seedlings in the cultivation of rootstocks;grafting time,scion collection and treatment,rootstock treatment,as well as techniques of stump grafting and bud grafting;focuses of post-grafting management,such as checking the survival conditions and untying the film,bud picking,pinching,topiary work,moisture and fertilization management,disease and pest control.Then the application of Sophora japonica f.flavi-rameus in gardens was analyzed,and it was proposed that biological characteristics and aesthetic principles should be followed,proper planting patterns should be applied,such as isolated planting,group planting,mass planting,linear planting and so on,moreover,it could also be combined with other species to create outstanding landscape effects.
文摘The techniques of production rutin were studied.The wet raw dust mixed with 0.4% borax solution after being put for 24h were extracted under reflux 2 time (20min each time) using methanol adjusted pH=8~9 by lime milk as extracting agent.The raffinate was concentrated under vacuum into extract,which was then dissolved in boiling water.The solution was adjusted pH=3 and was crystallized.The refined rutin was obtained after the crystal was dissolved in boiling water and was decolored by acticarbon.It was found that the extraction efficiency was increased and the weakness of hard filter in aqueous extraction was overcome in this technology.