常見例句Morphology Root-parasitic perennials, parasitizing on roots of Haloxylon ammodendron (C. 形態(tài)特征多年生根寄生草本，寄生于梭梭Haloxylonammodendron(C.Therefore, It was concluded that the parasitic plant, Cistanche deserticola had negative effects on host plant, Haloxylon ammodendron. 因此，從寄生關(guān)系判斷，肉蓯蓉對(duì)梭梭的寄生為有害寄生。This article reviews the research progress on drought resistance of H. ammodendron including morphology, photosynthesis, water content, protective enzymes and osmotic regulation. 文中綜述了其形態(tài)解剖特征、光合特征、水分、保護(hù)酶和滲透調(diào)節(jié)等抗性生理方面的研究現(xiàn)狀。Summarily, in sugar metabolisms of C. deserticola and its host H. ammodendron, sucrose synthase played a principal role and the other two enzymes played a secondary and regulating role. 總體來看，肉蓯蓉和寄主梭梭體內(nèi)糖分的代謝主要以蔗糖合成酶為主，其它2種酶為輔協(xié)同參與調(diào)控。Environmental variations of component pattern of H. ammodendron showed distinct differences under different habitants, featured by aggregated type in sunny slope, and guerrilla in shady slope. 梭梭構(gòu)件格局生境間的變化表現(xiàn)在不同生境下梭梭的構(gòu)件構(gòu)型特征上有明顯區(qū)別，在陽(yáng)坡和坡頂主要趨于“聚集型”，在陰坡和坡底主要趨于“游擊型”。Keywords Haloxylon ammodendron;sowing time; 梭梭;播種期; 返回 Ammodendron