Titre :
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Die Schadlichkeit der Wanze Lygus rugulipennis Popp an Samenluzerne
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Auteurs :
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J. Sedivy
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Type de document :
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article/chapitre/communication
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Année de publication :
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1972
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Format :
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407-412
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Langues:
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= Allemand
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Mots-clés:
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Lygus rugulipennis
;
Adelphocoris lineolatus
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Résumé :
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Injury caused on seeds by the bug Lygus rugulipennis Popp. was examined on isolated lucerne pods. The damage of the sucking of the bug on green pods could be proved ; it showed in a significant decrease of the number of developed seeds, in the increase of the number of shrivelled seeds and in a decrease of the germinability. In case the bugs sucked on yellow pods they caused a significant decrease of the germinability. No injury was observed in cases when the bugs sucked on brown pods. The sucking of the bugs L. rugulipennis caused no significant increase of the number of brown seeds. The species Lygus rugulipennis and Adelphocoris lineolatus Goeze caused the same grade of injury on seeds in green pods. The damage caused by bugs on seeds is estimated by 10-14 % losses of the seed yield.
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Source :
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Zeitschrift fur Pflanzenkrankheiten und Pflanzenschutz, vol. 7
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