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The pathological exudation of gum by a plant, such as a fruit tree, resulting from bacterial or fungal infection, insect infestation, or mechanical injury.

[Latin gummi, gum; see gum1 + -osis.]


(Plant Pathology) the abnormal production of excessive gum in certain trees, esp fruit trees, as a result of wounding, infection, adverse weather conditions, severe pruning, etc
[C19: from New Latin; see gumma]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.gummosis - pathological production of gummy exudates in citrus and various stone-fruit trees
plant disease - a disease that affects plants
2.gummosis - disease of citrus trees caused by the fungus Phytophthora citrophthora
brown rot - any of certain fungous diseases of plants characterized by browning and decay of tissues
References in periodicals archive ?
A second line of defence inside the plant involves a chemical reaction, causing the plant sap to 'gum up' and block the whitefly's feeding tube.
The finger and limb bone dimensions of Agilodocodon match up with those of modern tree dwellers, and its incisors are evidence it fed on plant sap," says study coauthor David Gross-nickle, graduate student at the University of Chicago.
Ensure that the landscape contractor has a solution for issues with plant-feeding insects like aphids and scales because these insects produce uneaten plant sap that can attract other pests such as Argentine ants.
Crop health will be monitored using plant sap analysis, a new technology being employed by Crop Health Labs in Bellville, Ohio.
The ants protect aphids from predators, and in turn harvest honeydew, processed plant sap excreted by the aphids.
Like many pests, a whitefly feeds by pushing its long mouthpiece into a leaf until it reaches the nutrient-rich plant sap.
Male mosquitoes get all their energy from nectar and plant sap.
I have always felt for patients with eye ulcers after wiping some irritant plant sap on my own eye.
What name is given to an insecticide which is absorbed into the plant sap stream after being applied to the soil?
Each of these insects feeds by sucking sugary plant sap and cell contents from the plant tissue.
Garden ants, of which there are many species, feed on plant sap, fruit, and the honeydew secreted by aphids.