Claim · model-written summary
Ear removal led to earlier leaf senescence.
Not reportedTaxonMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier
Verbatim
e0“the removal of ears not only initiated an earlier onset but enhanced the rate of senescence”
Title
The Effects of Ear Removal on Senescence and Metabolism of Maize
Leslie E. Christensen; Frederick E. Below; Richard H. Hageman PLANT PHYSIOLOGY 1981. doi:10.1104/pp.68.5.1180
Other claims from this paper (13)
- Intervention effect Ear removal produced reddish leaves.
- Intervention effect Ear removal increased the rate of leaf senescence.
- Intervention effect Other visible senescence patterns were similar in earless and eared maize.
- Intervention effect Ear removal markedly decreased whole-plant dry weight.
- Intervention effect Ear removal reduced whole-plant N accumulation.
- Intervention effect Leaf reduced nitrogen, nitrate reductase activity and chlorophyll decreased progressively in earless maize.
- Intervention effect Leaf carbohydrate content increased after ear removal.
- Intervention effect Stalk reduced nitrogen increased after ear removal.
- Mechanism Ear removal reduced photosynthesis and nitrate reduction by approximately equal proportions.
- Mechanism The stalk serves as an alternate sink for carbohydrate and nitrogen after ear removal.
- Observation Leaf nitrogen remobilization did not depend on an ear.
- Mechanism Cessation of nitrate uptake or flux may explain rapid leaf nitrogen loss in earless maize.
- Mechanism Leaf nitrogen loss may be a major cause of intact maize death.