[The corn seedlings are affected by the heavy metal Pb2+].
The corn seedlings in hydroponic culture are treated with the lead acetate solutions of various concentrations, the content of Pb2+ in the roots, stems and leafs of the corns at 10th day, 20th day and 30th day is measured. The analyzing conclusions are that the contents of Pb2+ in the corns display a sequence of root>leaf>stem, the contains of chlorophyll in corns fall off, the raising of Pb2+ in solutions, the membrane penetrability of the corns increased along a sequence of root>leaf>stem, and the harmful rate of Pb2+ display a sequence of root>leaf>stem in corns. The data of the study gives some references for the further researches of the crops, relating the endurance and the distributing of corns with Pb2+.
Zheng
Chun-xia
CX
College of Resources and Environmental Science, Xinjiang Agricultural University, Urumqi 830052, China.
Wang
Wen-quan
WQ
Luo
Jian-min
JM
Zhao
Xia
X
Zhang
Hong
H
Zhang
Xiao-wei
XW
D002463:Cell Membrane Permeability / Q000187:drug effects; D002734:Chlorophyll / Q000378:metabolism; D004305:Dose-Response Relationship, Drug; D018527:Hydroponics; D007854:Lead / Q000032:analysis / Q000378:metabolism* / Q000633:toxicity; D019216:Metals, Heavy / Q000032:analysis / Q000378:metabolism* / Q000633:toxicity; D018515:Plant Leaves / Q000187:drug effects / Q000254:growth & development / Q000378:metabolism; D018517:Plant Roots / Q000187:drug effects / Q000254:growth & development / Q000378:metabolism; D018547:Plant Stems / Q000187:drug effects / Q000254:growth & development / Q000378:metabolism; D036226:Seedlings / Q000187:drug effects / Q000254:growth & development / Q000378:metabolism*; D013053:Spectrophotometry; D013997:Time Factors; D003313:Zea mays / Q000187:drug effects / Q000254:growth & development / Q000378:metabolism*
D019216:Metals, Heavy; D002734:Chlorophyll; D007854:Lead