Architecture et croissance de la plante :
Architecture et croissance de la plante :
Architecture et croissance de la plante :
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Deux types <strong>de</strong> modèles :<br />
1. Modèle simu<strong>la</strong>tion discr<strong>et</strong> basé sur les processus<br />
Développement<br />
p<strong>la</strong>nte<br />
Dispersion <strong>de</strong>s<br />
spores<br />
Développement<br />
<strong>de</strong> l’a. pathogène<br />
Initial conditions Leaves appearance,<br />
and <strong>de</strong>velopment<br />
sporu<strong>la</strong>ting<br />
leaf = source<br />
fruit appearance,<br />
shoots <strong>de</strong>velopment<br />
Secondary shoots<br />
<strong>de</strong>velopment<br />
Infection colony growth sporu<strong>la</strong>tion<br />
d<br />
r( θ )<br />
θ<br />
p<strong>la</strong>nt management,<br />
modification of the<br />
ramification<br />
Environnement<br />
(T°C, RH,<br />
humectation,<br />
pratiques<br />
culturales)<br />
Modèle complexe perm<strong>et</strong>tant <strong>de</strong> hiérarchiser les eff<strong>et</strong>s <strong>de</strong> l’hôte sur<br />
<strong>la</strong> ma<strong>la</strong>die<br />
Les analyses <strong>de</strong> sensibilité ne sont pas triviales<br />
(Wilson & Chakraborty, 1998; Calonnec <strong>et</strong> al., 2008; Robert <strong>et</strong> al., 2008; Baccar <strong>et</strong> al., 2011)
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