Trichoderma harzianum T6776 modulates a complex metabolic network to stimulate tomato cv . Micro-Tom growth
作者： Lisa Fiorini , Lorenzo Guglielminetti , Lorenzo Mariotti , Maurizio Curadi , Piero Picciarelli
DOI: 10.1007/S11104-015-2736-6
关键词:
摘要: Trichoderma harzianum 6776 is a novel and beneficial tomato fungal isolate. To investigate the mechanisms underlying T. 6776-tomato interaction, several physiological biochemical responses were explored on dwarf plants, cv. Micro-Tom. Growth of treated untreated plants was evaluated by measuring height biomass production plants. The leaf pigment content sugar partitioning in plant organs analysis. photosynthetic parameters measured miniaturized PAM fluorometer portable gas-exchange system. hormonal analysis root xylem sap performed gas cromatography- mass spectrometry (GC-MS). positively affected growth, increasing improving activity at both stomatal non-stomatal levels. Differences composition performance reflected carbohydrate their partitioning. In absence pathogen, vessel stress growth-related hormone balance interaction with 6776, an increase jasmonic indoleacetic acids decrease salicylic acid content. This study shows complex connection between increased accumulation transport, altered enhanced efficiency induced how growth promotion result combination these drastic changes Micro-Tom
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