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首页> 外文期刊>Archives of Phytopathology and Plant Protection >Induction of defence-related enzymes in onion by combined application of fungal and bacterial biocontrol agents against Fusarium oxysporum f. sp. cepae.
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Induction of defence-related enzymes in onion by combined application of fungal and bacterial biocontrol agents against Fusarium oxysporum f. sp. cepae.

机译：真菌和细菌生防菌剂联合应用对洋葱镰刀菌的诱导与防御相关的酶。 sp。 cepae。

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摘要

Basal rot disease of onion is a major problem in different onion growing regions of Tamil Nadu, India. Fungal and bacterial cultures were isolated and tested their efficiency against Fusarium oxysporum f. sp. cepae under in vitro conditions. Effective bacterial and fungal antagonists were tested alone and in combinations for the control of F. oxysporum f. sp. cepae in glasshouse experiments. Defence-related enzymes such as peroxidase, polyphenol oxidase and phenylalanine ammonia-lyase were induced and accumulated in onion treated with fungal and bacterial antagonists. Defence-related enzymes were significantly higher in onion pretreated with consortial formulation of Pf12+Pf27+TH3 at 5 days after the challenge inoculation with F. oxysporum f. sp. cepae and gave resistance to onion against basal rot disease.
机译：洋葱的基底腐烂病是印度泰米尔纳德邦不同洋葱种植区的主要问题。分离真菌和细菌培养物，并测试其对尖孢镰刀菌f的功效。 sp。在体外条件下的cepae。有效的细菌和真菌拮抗剂被单独或组合测试以控制尖孢镰刀菌。 sp。温室实验中的cepae。防御相关的酶，例如过氧化物酶，多酚氧化酶和苯丙氨酸氨裂合酶被诱导并积累在用真菌和细菌拮抗剂处理的洋葱中。在用F. oxysporum f攻击接种后5天，用Pf12 + Pf27 + TH3配伍制剂预处理的洋葱中与防御相关的酶明显更高。 sp。洋葱皮对洋葱基腐病具有抵抗力。

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