Mindblown: a blog about philosophy.
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Resistance active
Resistance can arise due to the host’s reactions against the presence of pathogens or their metabolites. These reactions may include the formation of phytoalexins, the thickening of cell walls, suberization, and other similar responses.
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Acquired resistance
The phenomenon of resistance to external agents or conditions, which is not passed down from parents to offspring, but rather is acquired through certain treatments that make an individual more resistant to these factors, is known as non-inherited resistance conferred by some predisposing treatment.
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Replant effect
Following the growth of a second planting of a perennial species after a previous planting of the same or a closely related species on the same site, there may be a significant decrease in the rate of root and shoot growth. B.M. Savory proposed a term, specific replant disease, to distinguish this condition from soil…
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Prototrophic
An isolate or strain of a microbe that does not possess any supplementary nutritional necessities beyond those required by the naturally occurring type.
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Protectant
A substance that protects an organism against infection. An agent that serves to safeguard a living entity from being infected.
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Probing
Used of aphids and some other stylet-bearing vectors for the brief exploratory penetration of superficial cells. This should be distinguished from feeding which usually involves penetration to the vascular tissues.
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Prepenetration period
The temporal span that elapses from the moment a vector is deposited on a plant until the point when the host tissues are breached.
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Premunity
According to the nomenclature coined by Z. Klement & R. N. Goodman, there exists a distinctive mechanism of acquired immunity which is exhibited in plants that have been subjected to pretreatment with a single bacterium, and consequently, is capable of shielding them from potential infection by other pathogens. However, it is noteworthy that this form…
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Phytosanitation
To ensure the health and vitality of plants, it may be necessary to take measures such as the elimination or annihilation of plant material that has been infected or infested with harmful pathogens or pests. By doing so, the spread of these detrimental elements can be prevented, safeguarding the health of the plant and its…
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Phytosanitary certificate
A document verifying the well-being of vegetation or botanical merchandise intended for shipment to foreign countries.
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