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首页> 外文期刊>Biotechnologie, Agronomie Societe et Environnement >In vitro and in vivo antagonistic effect of Trichoderma harzianum against Fusarium oxysporum f.sp. radicis-lycopersici.
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In vitro and in vivo antagonistic effect of Trichoderma harzianum against Fusarium oxysporum f.sp. radicis-lycopersici.

机译：哈茨木霉对尖孢镰刀菌f.sp.的体外和体内拮抗作用。萝卜-lycopersici。

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摘要

The study of the direct interaction in PDA medium or remote interaction between Fusarium oxysporum f.sp. radicis-lycopersici and T. harzianum revealed that the latter inhibited mycelial growth of the pathogen by more than 65% compared to the control after an incubation period of approximately 4 days at 25 degrees C. Beyond this period and after 6 days, T. harzianum invaded and sporulated on F. oxysporum f.sp. radicis-lycopersici colonies, revealing its high mycoparasitism. Transplanting of tomato seedlings in a mixture of perlite inoculated by F. oxysporum f.sp. radicis-lycopersici and T. harzianum reduced Fusarium crown and root rot incidence compared to seedlings planted in perlite inoculated only by the pathogen. Seedlings planted in perlite containing the pathogen and the antagonist showed greater vegetative growth and a more vigorous root system compared to the healthy control plants (not inoculated and untreated)..
机译：PDA培养基中的直接相互作用或尖孢镰刀菌之间的远程相互作用的研究。 radicis-lycopersici和T. harzianum表明，与对照相比，后者在25°C下孵育约4天后，其病原菌的菌丝体生长抑制率超过了65％。超过此时间段和6天后，T。harzianum侵袭和孢子在F. oxysporum f.sp上。萝卜-lycopersici菌落，显示其高度的霉菌寄生。番茄苗在F.sp. oxysporum f.sp.接种的珍珠岩混合物中的移植。与仅由病原菌接种的珍珠岩中种植的幼苗相比，萝卜-lycopersiciici和哈茨木霉减少了镰刀菌冠和根腐病的发生。与健康对照植物（未接种和未处理）相比，在包含病原体和拮抗剂的珍珠岩中种植的幼苗显示出更大的营养生长和更旺盛的根系。

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