Inducing systemic resistance of tomato by salicylic acid and two biocontrol agents against root-knot nematode

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Esfahani Leila; JAMALI SALAR; Saeedizadeh Ayat ollah; PEDRAMFAR HASSAN

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Journal: Iranian Journal of Plant Protection Science Year:2018 | Volume:48 | Issue:2 Page(s): 283-294

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Title

Inducing systemic resistance of tomato by salicylic acid and two biocontrol agents against root-knot nematode

Author(s)

Esfahani Leila | JAMALI SALAR | Saeedizadeh Ayat ollah | PEDRAMFAR HASSAN | Issue Writer Certificate

Keywords

Meloidogyne incognitaQ1

PeroxidaseQ1

Pseudomonas fluorescensQ2

Trichoderma virideQ2

Abstract

To evaluate the effects of the fungus Trichoderma viride, the bacterium Pseudomonas fleurescens CHA0 and salicylic acid against root-knot nematode (Meloidogyne incognita race 2) on the defense enzyme production process of tomato, a pot experiment was conducted under greenhouse conditions. The nematode populations were reproduced on tomato Rutgers cultivar and the test plants were inoculated at four-leaf stage. The Peroxidase, phenylalanine ammonia lyase and catalase activities were measured in the first, fourth and seventh days after nematode inoculation. The results showed that all three application modes of fungi, bacteria, and salicylic acid, increased nematode control and significant decreases occurred in the number of gall and egg mass. The infected plants inoculation with fungi, bacteria and salicylic acid, in the cultivars Gina VF, Falat CH, Falat 111 and Karoon reduced the percentage of gall (81, 68, 80, and 83), the number of egg mass (87, 78, 83, and 88) and reproductive factors (83, 69, 82, and 84), respectively. The highest numbers of galls were observed in Karoon, Flat 111, Gina VF and Flat CH in the absence of control agents, respectively. The three agents not only reduced the amount of disease but also increased the activity of catalase Peroxidase, and phenylalanine ammonia lyase enzymes in plants, respectively. The enzymes activity reached a maximum on the 4th day after inoculation.

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APA: Copy

Esfahani, Leila, JAMALI, SALAR, Saeedizadeh, Ayat ollah, & PEDRAMFAR, HASSAN. (2018). Inducing systemic resistance of tomato by salicylic acid and two biocontrol agents against root-knot nematode. IRANIAN JOURNAL OF PLANT PROTECTION SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), 48(2 ), 283-294. SID. https://sid.ir/paper/171589/en

Vancouver: Copy

Esfahani Leila, JAMALI SALAR, Saeedizadeh Ayat ollah, PEDRAMFAR HASSAN. Inducing systemic resistance of tomato by salicylic acid and two biocontrol agents against root-knot nematode. IRANIAN JOURNAL OF PLANT PROTECTION SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES)[Internet]. 2018;48(2 ):283-294. Available from: https://sid.ir/paper/171589/en

IEEE: Copy

Leila Esfahani, SALAR JAMALI, Ayat ollah Saeedizadeh, and HASSAN PEDRAMFAR, “Inducing systemic resistance of tomato by salicylic acid and two biocontrol agents against root-knot nematode,” IRANIAN JOURNAL OF PLANT PROTECTION SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), vol. 48, no. 2 , pp. 283–294, 2018, [Online]. Available: https://sid.ir/paper/171589/en

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