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Architecture et croissance de la plante :

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Processus pathogènes pathog nes impactés impact s par le<br />

développement veloppement <strong>de</strong> <strong>la</strong> p<strong>la</strong>nte ?<br />

Efficacité d’infection =<br />

fct(age organe,<br />

physiologie)<br />

P<strong>la</strong>nte<br />

Statut nutritif <strong>de</strong>s<br />

organes, âge<br />

Densité, surface <strong>de</strong>s<br />

feuilles, distance entre<br />

organes sensibles<br />

Infection<br />

Efficacité d’infection=<br />

fct (T°C, humectation, lumière, <strong>de</strong>ssication)<br />

Dispersion =<br />

fct (distance,<br />

surface)<br />

Dispersion<br />

Spore<br />

Dispersion =<br />

fct (type spore)<br />

Vent<br />

Pluie<br />

Eau librerosée<br />

Ec<strong>la</strong>irement<br />

Temperature

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