EVALUATION OF ANTAGONISTIC EFFECT OF TRICHODERMA SPECIES IN BIOLOGICAL CONTROL OF CAUSAL AGENT OF CROWN AND ROOT ROT OF SUNFLOWER (SCLEROTINIA MINOR) IN VITRO

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ABDOLLAHZADEH J.; MOHAMMADI GOLTAPEH E.; ROUHANI HAMID

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Paper Information

Journal: JOURNAL OF AGRICULTURAL KNOWLEDGE Year:2003 | Volume:13 | Issue:2 Page(s): 13-23

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Title

EVALUATION OF ANTAGONISTIC EFFECT OF TRICHODERMA SPECIES IN BIOLOGICAL CONTROL OF CAUSAL AGENT OF CROWN AND ROOT ROT OF SUNFLOWER (SCLEROTINIA MINOR) IN VITRO

Author(s)

ABDOLLAHZADEH J. | MOHAMMADI GOLTAPEH E. | ROUHANI HAMID | Issue Writer Certificate

Keywords

BIOLOGICAL CONTROLQ2

SCLEROTINIA MINORQ3

SUN FLOWERQ4

TRICHODERMAQ4

Abstract

Antagonistic effect of TRICHODERMA harzianum ( J1 and J2 ) and TRICHODERMA harzianum ( J3, J4 and J5 ) isolated from the soil of sunflower field of Urmia and Khoy, respectively, and T. virens, T. harzianum (J6), T. viride (E1) and T. viride (E2) isolated from edible fungi (Agaricus bisporus) on the causal agent of crown and root rot of sunflower ( SCLEROTINIA MINOR) were studied in vitro. In order to do so, mycoparasitism mechanisms, competitive saprophytic ability, colonization ability, inhibition ability of volatile antibiotic and non- volatile (Culture filtrate) of the given isolateson S. minor were studied. The study indicated that all the isolates disintegrated hyphae of S. minor through antibiosis mechanism. In competitive saprophytic ability test (by means of dual culture method), T. virens showed better effect than the other isolates. After 4 days it covered the whole colony surface and prevented from forming sclerotium. In colonization ability test, T. virens and T. harzianum (J1) on 3-day and 14-day colonies of the pathogen, respectively, performed better than the rest. T. virens coverd the whole colony surface after 4 days and prevented from forming sclerotium of S. minor and T. harzianum (J1) covered the whole sclerotia after 5 days and destroyed them after 10 days. In volatile antibiotic test (by means of superposal petri-dishes method), T. harzianum (J1) was more effective to inhibit the mycelial growth of S. minor by 90.42%. In nonvolatile antibiotic (Culture filtrate) effect test on inhibition of mycelial growth and myceliogenic germination of sclerotia, T. harzianum (J6) was more effective to inhibit the mycelial growth by 86.47%. It was delayed the myceliogenic germination of sclerotia of S. minor better than the other isolates.

Cites

INVESTIGATION ON BIOCONTROL OF CROWN AND ROOT ROT OF SUNFLOWER (SCLEROTINIA SCLEROTIORUM) BY TRICHODERMA SPECIES IN LABORATORY CONDITION

References

نقش جدایه های تریکودرمای ایران در مبارزه بیولوژیکی علیه Rhizoctonia solani

Cite

APA: Copy

ABDOLLAHZADEH, J., MOHAMMADI GOLTAPEH, E., & ROUHANI, HAMID. (2003). EVALUATION OF ANTAGONISTIC EFFECT OF TRICHODERMA SPECIES IN BIOLOGICAL CONTROL OF CAUSAL AGENT OF CROWN AND ROOT ROT OF SUNFLOWER (SCLEROTINIA MINOR) IN VITRO. JOURNAL OF AGRICULTURAL KNOWLEDGE, 13(2), 13-23. SID. https://sid.ir/paper/28981/en

Vancouver: Copy

ABDOLLAHZADEH J., MOHAMMADI GOLTAPEH E., ROUHANI HAMID. EVALUATION OF ANTAGONISTIC EFFECT OF TRICHODERMA SPECIES IN BIOLOGICAL CONTROL OF CAUSAL AGENT OF CROWN AND ROOT ROT OF SUNFLOWER (SCLEROTINIA MINOR) IN VITRO. JOURNAL OF AGRICULTURAL KNOWLEDGE[Internet]. 2003;13(2):13-23. Available from: https://sid.ir/paper/28981/en

IEEE: Copy

J. ABDOLLAHZADEH, E. MOHAMMADI GOLTAPEH, and HAMID ROUHANI, “EVALUATION OF ANTAGONISTIC EFFECT OF TRICHODERMA SPECIES IN BIOLOGICAL CONTROL OF CAUSAL AGENT OF CROWN AND ROOT ROT OF SUNFLOWER (SCLEROTINIA MINOR) IN VITRO,” JOURNAL OF AGRICULTURAL KNOWLEDGE, vol. 13, no. 2, pp. 13–23, 2003, [Online]. Available: https://sid.ir/paper/28981/en

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