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Diapositive 1 - INRA Montpellier

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% infestation tiges ITA 306<br />

(sensible)<br />

21 JAT<br />

Augmenter la régulation naturelle de O. oryzivora<br />

Longorola (Mali)<br />

expérimentation 2005<br />

ITA 306<br />

63 JAT<br />

Obeagu, Nigeria (Nwilene et al., 2008b)<br />

Leizhung<br />

21 JAT<br />

Leizhung<br />

63 JAT<br />

Pas de bordure 51.0 40.8 29.9 20.9<br />

Bordure Paspalum<br />

(4 m large)<br />

Rendement<br />

(kg/ha)<br />

18.3 10.0 10.9 5.8<br />

ITA 306<br />

Leizhung<br />

Pas de bordure 2733 1157<br />

Bordure Paspalum<br />

(4 m large)<br />

7314 5941<br />

JAS = Jours après<br />

transplantation<br />

Parcelle : 5 x 5 m<br />

Abou Togola@AfricaRice<br />

Semis de Paspalum scrobiculatum en bordure<br />

Objectif: favoriser Orseolia bonzii (hôte alternatif des parasitoïdes de O. oryzivora)<br />

1 ère Conférence Internationale Riz Biologique , <strong>Montpellier</strong>, France, 27- 30 août 2012

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