5. In mature leaves the size of the vein-islets is quite constant, independent of the size of the leaf. 6. The size of vein-islets in mature leaves from chlorotic, stunted plants is the same as in ...

Leaf senescence, the final stage of leaf development ... influenced by both internal and environmental factors, including ...

One example of a potential application in this area is the differential effect of the secreted IGFBP7, which reinforces senescence in early stages of melanocyte transformation, but triggers ...

Most winter annual weeds will germinate in late fall, grow during the winter months, and reach a reproductive stage in the ...