Plant pathology

Plant pathology

The scientific study of plant diseases, their treatment and prevention.

Industry: Plants

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Plant pathology

Rhizobium

Plants; Plant pathology

Genus of bacteria that lives symbiotically with roots of leguminous plants; during the symbiosis, atmospheric nitrogen gas is converted into a form useable by the plant.

complete resistance

Plants; Plant pathology

A resistant reaction in which some aspect of disease development, usually symptom expression or pathogen reproduction, is completely stopped (see partial resistance. )

giant cell

Plants; Plant pathology

Enlarged, multinucleate cell formed in roots by repeated nuclear division without cell division induced by secretions of certain sedentary plant-parasitic nematodes .

dormancy

Plants; Plant pathology

A condition of suspended growth and reduced metabolism of an organism, generally induced by internal factors or environmental conditions as a mechanism of survival.

multiline

Plants; Plant pathology

Mixture of cultivars that differ only in single, major genes for resistance to a pathogen, giving the opportunity to modify the mixture from year to year as needed.

infective

Plants; Plant pathology

Referring to an organism able to attack a host and cause infection; referring to a vector carrying or containing a pathogen and able to transfer it to a host plant.

green manure

Plants; Plant pathology

A crop plowed under while still green and growing to improve the soil; sometimes used to enhance populations of antagonistic microorganisms for biological control.