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Verticillium - Toubkal

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165<br />

Figure 39. Influence de la salinité sur la capacité de<br />

colonisation de Trichoderma harzianum confronté à<br />

<strong>Verticillium</strong> au bout de trois jours.<br />

100<br />

Capacité de colonisation de T.<br />

harzianum C (%)<br />

95<br />

90<br />

85<br />

80<br />

75<br />

70<br />

0 2 4 6 8<br />

Concentrations du milieu de culture en NaCl (g/l)<br />

Figure 40. Influence de la salinité sur l'action antagoniste des<br />

substances volatiles de Trichoderma harzianum sur la<br />

croissance diamétrale de <strong>Verticillium</strong><br />

60<br />

Inhibition de la croissance de<br />

<strong>Verticillium</strong> (%)<br />

50<br />

40<br />

30<br />

20<br />

10<br />

0<br />

0 2 4 6 8<br />

Concentrations du milieu de culture en NaCl ( g/l)

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