An Attempt at Biological Control of Blossom Blight of Rose Caused by Botrytis cinerea Using some Local Trichoderma spp. Strains

Acta Phytopathologica Et Entomologica Hungarica Pub Date : 2020-08-31 DOI:10.1556/038.55.2020.010

G. Zadehdabagh, K. Karimi, M. Rezabaigi, F. Ajamgard

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Abstract

The northern of Khuzestan province in Iran is mainly considered as one of the major areas of miniature rose production. Blossom blight caused by Botrytis cinerea has recently become a serious limiting factor in rose production in pre and post-harvest. In current study, an attempt was made to evaluate the inhibitory potential of some local Trichoderma spp. strains against B. cinerea under in vitro and in vivo conditions. The in vitro results showed that all Trichoderma spp. strains were significantly able to reduce the mycelial growth of the pathogen in dual culture, volatile and non-volatile compounds tests compared with control, with superiority of T. atroviride Tsafi than others. Under in vivo condition, the selected strain of T. atroviride Tsafi had much better performance than T. harzianum IRAN 523C in reduction of disease severity compared with the untreated control. Overall, the findings of this study showed that the application of Trichoderma-based biocontrol agents such as T. atroviride Tsafi can be effective to protect cut rose flowers against blossom blight.

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利用部分地方木霉菌株生物防治灰葡萄孢引起的玫瑰花枯病的尝试

伊朗胡齐斯坦省北部主要被认为是小型玫瑰生产的主要地区之一。近年来，灰葡萄孢引起的花枯病已成为玫瑰采前和采后生产的一个严重限制因素。在目前的研究中，试图评估一些本地木霉菌株在体外和体内条件下对灰葡萄球菌的抑制潜力。体外试验结果表明，与对照相比，所有木霉菌株在双重培养、挥发性和非挥发性化合物测试中都能显著降低病原体的菌丝生长，其中T.atroviride Tsafi优于其他菌株。在体内条件下，与未经处理的对照相比，所选择的T.atroviride Tsafi菌株在降低疾病严重程度方面比T.harzianum IRAN 523C具有更好的性能。总的来说，这项研究的结果表明，应用基于木霉的生物防治剂，如T.atroviride Tsafi，可以有效地保护切割的玫瑰免受花枯萎病的影响。

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来源期刊

Acta Phytopathologica Et Entomologica Hungarica Agricultural and Biological Sciences-Plant Science

CiteScore

1.10

自引率

0.00%

发文量

期刊介绍： The journal publishes papers on the infectious diseases of plants, damages caused by insects and deals with the basic aspects of chemical and biological protection. Within its field of interest additional topics such as resistance against plant diseases, and physiological, biochemical and molecular questions of plant resistance and susceptibility are also discussed. Publishes book reviews and advertisements.