Definition
Defoliation is loss of leaves from a plant, whether normal or premature.
Etymology. 1659, from L.L. defoliatus, pp. of defoliare "shed leaves." Defoliant is from 1943.
Wilting, yellowing and premature defoliation of a noni (Morinda citrifolia) plant due to infection and damage caused by root-knot nematodes (Meloidogyne sp.) and the plant-pathogenic fungus, Sclerotium rolfsii. |
 Premature defoliation of noni (Morinda citrifolia) caused by a plant pathogenic species of Phytophthora. |
Defoliation is loss of leaves from a plant, whether normal or premature.
Etymology. 1659, from L.L. defoliatus, pp. of defoliare "shed leaves." Defoliant is from 1943.