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Living element(s) of the parasite able to contaminate a host-plant. It is the "primary inoculum" that enters the host and induces the disease while the "secondary inoculum", resulting from the fructificationof part of the contaminated host population, causes the epidemic to spread in the host population.
HYP3 on ligne : Species (scientific name), Diseases (common names), Glossary, Crops.
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