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RELEASE OF VOLATILES FROM UNDAMAGED LEAVES OF A DAMAGED PLANT INDICATES A SYSTEMIC SIGNAL to contain critical chemical information that draws parasitoids to air streams spiked with these plant odors in the laboratory and to damaged plants placed among a group of undamaged neighbors in the field. Plant Physiology Oct 1999, 121 (2) 325

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International Scholarly Research Notices is a peer-reviewed, Open Access journal covering a wide range of subjects in science, technology, and medicine. Figure 1 Genomic DNA isolated from plant leaves resolved under 0.8% agarose gel. M. S. Clark, Plant Molecular Biology—A Laboratory Manual, Springer, Berlin, Germany, 1997.

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Why Do Leaves Change Color In The Fall?- ScienceDaily

The leaves of trees and other plants contain three main pigments carotene, anthocyanin, and the photosynthetic pigment, chlorophyll, which captures the sun's energy to make food for plants. As the most abundant pigment, chlorophyll is what gives leaves their green hue in spring and summer.

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