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Phytotechnie de la Betterave Fourragère André Wauters ... - AFPF

Phytotechnie de la Betterave Fourragère André Wauters ... - AFPF

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<strong>Phytotechnie</strong> <strong>de</strong> <strong>la</strong> <strong>Betterave</strong><br />

<strong>Fourragère</strong><br />

<strong>André</strong> <strong>Wauters</strong>, IRBAB<br />

DÉSHERBAGE<br />

<strong>Phytotechnie</strong> <strong>de</strong> <strong>la</strong> betterave fourragere<br />

Principe<br />

applications répétées <strong>de</strong> mé<strong>la</strong>nges basses doses dès <strong>la</strong> levée <strong>de</strong>s adventices<br />

But<br />

Optimiser le spectre d’action voulu – minimiser <strong>la</strong> phytotoxicité<br />

Pré-émergence (non indispensable en terre propre)<br />

Post-émergence = Système FAR :<br />

F = Fenmédiphame (BETANAL)<br />

A = Activateur = éthofumésate (TRAMAT)<br />

R = Racinaire = (GOLTIX p. ex.)<br />

+ huile<br />

Maintenir le sol propre jusque <strong>la</strong> fermeture <strong>de</strong>s lignes (10 juin)<br />

Début levée adventice<br />

=> FAR 0,75 OK ☺<br />

<strong>Phytotechnie</strong> <strong>de</strong> <strong>la</strong> betterave fourragere<br />

8 jours plus tard => FAR 1,25<br />

pas certain <br />

23<br />

24

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