Arbuscular mycorrhizal symbiosis is the mutualistic association between AM fungi and most terrestrial plants: the plant roots offer carbohydrates to the fungi; in return, the fungi assist the plants with uptake of mineral nutrients, particularly phosphate, from soil, and their subsequent transfer to the root cortical cells.

南京農(nóng)業(yè)大學(xué)資源與環(huán)境科學(xué)學(xué)院，南京 210095摘要叢枝菌根(arbuscular mycorrhizal亚洲黄网在线观看视频， AM)共生是叢枝菌根真菌與大多數(shù)陸地植物的根系之間形成的一種互利共生關(guān)系。植物給菌根真菌提供碳水化合物；作為回報av在线免费看污片，菌根真菌能夠增強植物對礦質(zhì)營養(yǎng)元素的吸收。

Shrubs, usually aerial hemiparasites on other seed plants, often spreading along host by runners, more rarely terrestrial root-parasitic shrubs or trees, nodes not articulated, glabrous or hairy, hairs often stellate or verticillate. Leaves opposite or alternate, stipules absent; petiole often indistinct; leaf blade simple, usually pinnately veined, margin entire.

灌木人人干人人艹超碰，通常半寄生在其它種子植物的樹上黄色日，通過匍匐莖在寄主身上延伸，很少為根寄生的地生灌木或喬木黄片污A片在线观看欧美，節(jié)沒有關(guān)節(jié)第一页自拍偷拍，無毛或有毛，通常為星狀毛或具毛輪无码免费婬AA片在线视，對生葉或交替美女人人操人人射人人干，托葉無；葉柄不明顯国产精品久久久久久久三级；單葉白色白色白色在线观看平台，通常羽狀脈，邊緣全緣欧美人妻区精品视频。

By empolying radish root tuber of terrestrial as substance through solvent culture method, the root filtration function to heavy metal enrichment condition is investigated and the theoretical basis of the application of heavy metal sewage purification by terrestrial is offered.

以陸生植物———蘿卜塊狀根系為材料全国产在线，通過溶液培養(yǎng)的方法，研究了根過濾作用對重金屬的富集情況天天操操操，為陸生植物在重金屬污水凈化中的應(yīng)用提供理論依據(jù)曰本啪啪啪网址。