INCREASED GROWTH OF WHEAT AND BIOCONTROL OF PYTHIUM ULTIMUM TROW WITH STRAINS OF TRICHODERMA HARZIANUM RIFAI

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PEYGHAMI E.

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Journal: Journal of Agricultural Sciences and Natural Resources Year:2002 | Volume:9 | Issue:1 Page(s): 31-38

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Title

INCREASED GROWTH OF WHEAT AND BIOCONTROL OF PYTHIUM ULTIMUM TROW WITH STRAINS OF TRICHODERMA HARZIANUM RIFAI

Author(s)

PEYGHAMI E. | Issue Writer Certificate

Keywords

PYTHIUM ULTIMUMQ4

TRICHODERMA HARZIANUMQ4

WHEAT CVS OSLO AND BUTLEQ3

Abstract

Increased growth of wheat resulting from amendment of soil with strains of TRICHODERMA HARZIANUM was investigated to determine if increased growth could be attributed to a direct effect of these Trichoderma spp. on the plant or a secondary effect due to control of plant pathogens. Three strains of T. harzianum (T.95, T-12B and T-12) and its parent's wild type (WT, isolated from a soil in Fortcollins) were grown on PDA.After 24h. sterile and washed cellophane membrane was placed on the growing mycelium. Seeds of wheat cv. Oslo (dwarf) and Butte (tall) were surface sterilized and placed on the membrane. The percentage of germination of seeds on the cellophane was more than the control (without T. harzianum). This experiment revealed that the exudates of T harziamum stimulated the germination of seeds. In the greenhouse experiments, wheat seed cvs Oslo and Butte treated with suspension of 108 spores per ml. the strains of T. harzianum and type (WT), were sown in the soil infected with P. ultimum (300 CFU).The percentage of the infected root tips of the plants resulted from treated seeds was fewer than those of the control and wild type. The percentage of root pieces colonized by the propagules of the strains was more than the wild type. The fresh and dry weights of plants resulting from the seeds that have been treated with the T. harziamum were higher than the control. These experiments explore the possibility of biocontrol of some soil borne plant pathogenic fungi with strains of T. harziamum and increased growth response.

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APA: Copy

PEYGHAMI, E.. (2002). INCREASED GROWTH OF WHEAT AND BIOCONTROL OF PYTHIUM ULTIMUM TROW WITH STRAINS OF TRICHODERMA HARZIANUM RIFAI. JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, 9(1), 31-38. SID. https://sid.ir/paper/9629/en

Vancouver: Copy

PEYGHAMI E.. INCREASED GROWTH OF WHEAT AND BIOCONTROL OF PYTHIUM ULTIMUM TROW WITH STRAINS OF TRICHODERMA HARZIANUM RIFAI. JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES[Internet]. 2002;9(1):31-38. Available from: https://sid.ir/paper/9629/en

IEEE: Copy

E. PEYGHAMI, “INCREASED GROWTH OF WHEAT AND BIOCONTROL OF PYTHIUM ULTIMUM TROW WITH STRAINS OF TRICHODERMA HARZIANUM RIFAI,” JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, vol. 9, no. 1, pp. 31–38, 2002, [Online]. Available: https://sid.ir/paper/9629/en

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