[Influence of fertilization depth on root system senescence of upland wheat after anthesis].
A soil column study showed that fertilization in a depth of 20-40 cm sustained the activities of superoxide dismatase (SOD) and catalase (CAT) in root system at a high level, meanwhile the root system vigor, the soluble protein content in root system decreased slowly, and the content of malondiadehyde (MDA) in wheat root system decreased, which delayed its senescence. It is considered that the depth (20-40 cm) of fertilization could be used as an index for delaying senescence.
Shi
Y
Y
Institute of Dry Land Crop, Laiyang Agricultural College, Laiyang 265200. yanshi@lyac.edu.cn
Wei
D
D
Yu
Z
Z
Yu
S
S
D002374:Catalase / Q000378:metabolism; D016922:Cellular Senescence / Q000187:drug effects*; D005308:Fertilizers / Q000009:adverse effects*; D008315:Malondialdehyde / Q000378:metabolism; D018517:Plant Roots / Q000187:drug effects* / Q000201:enzymology / Q000378:metabolism / Q000502:physiology; D013482:Superoxide Dismutase / Q000378:metabolism; D014908:Triticum / Q000187:drug effects* / Q000502:physiology
D005308:Fertilizers; D008315:Malondialdehyde; D002374:Catalase; D013482:Superoxide Dismutase