RESISTANCE OF BARLEY LANDRACES TO CAUSAL AGENT OF LEAF STRIPE DISEASE

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ZARE N.; MOGHADAM M.; VALIZADEH M.; AHARIZAD S.; BABAI AHARI A.A.; YOUSEFI A.

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Journal: JOURNAL OF AGRICULTURAL KNOWLEDGE Year:2007 | Volume:17 | Issue:2 Page(s): 83-96

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Title

RESISTANCE OF BARLEY LANDRACES TO CAUSAL AGENT OF LEAF STRIPE DISEASE

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Keywords

BARLEYQ3

LANDRACESQ2

LEAF STRIPE DISEASEQ2

YIELDQ2

Abstract

Leaf stripe disease caused by Pyrenophora graminea, constitutes a potential threat to the cultivation of BARLEY in all BARLEY growing countries. To identify resistant LANDRACES of BARLEY to leaf stripe in field condition, 17 LANDRACES (four two-rowed black grain and 13 six-rowed white grain BARLEYs) and a cultivar, Zarjow, were tested with two virulent isolates of East Azarbaijan Province in factorial experiment based on randomized complete block design with three replications in the research Station of Faculty of Agriculture, University of Tabriz, Iran, during 2002-2003 growing season. Further more a control experiment was conducted at the same location to evaluate BARLEY LANDRACES under disease free condition. Percentage of infected plants was recorded in both seedling and adult plant stages. Reaction of LANDRACES to disease was different in both stages and LANDRACES categorized from resistant to very susceptible. Interaction between LANDRACES and isolates of leaf stripe fungus was significant, and isolates differed for virulence. Most of the LANDRACES were susceptible and only three LANDRACES (numbers of 1, 8 and 16), in both stages were resistant or partially resistant to both isolates. Cultivar Zarjow was susceptible to both isolates at both stages, but degree of susceptibility of this cultivar was different depending on the virulence of isolates. Two-rowed black grain BARLEYs were less susceptible to stripe disease than six-rowed white grain BARLEYs. Comparison of percentage of infected plants of seedling stage with adult plant stage showed, that at least in some of the LANDRACES the mechanisms of controlling resistance to LEAF STRIPE DISEASE may be different in these stages. In the disease free condition the YIELD of six-rowed BARLEYs was more then two-rowed BARLEYs, however, in the presence of disease, differences in YIELD of two-rowed and six-rowed BARLEYs were not significant and YIELD losses were different depending on the isolates of the pathogen and the BARLEY varieties.

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APA: Copy

ZARE, N., MOGHADAM, M., VALIZADEH, M., AHARIZAD, S., BABAI AHARI, A.A., & YOUSEFI, A.. (2007). RESISTANCE OF BARLEY LANDRACES TO CAUSAL AGENT OF LEAF STRIPE DISEASE. JOURNAL OF AGRICULTURAL KNOWLEDGE, 17(2), 83-96. SID. https://sid.ir/paper/28865/en

Vancouver: Copy

ZARE N., MOGHADAM M., VALIZADEH M., AHARIZAD S., BABAI AHARI A.A., YOUSEFI A.. RESISTANCE OF BARLEY LANDRACES TO CAUSAL AGENT OF LEAF STRIPE DISEASE. JOURNAL OF AGRICULTURAL KNOWLEDGE[Internet]. 2007;17(2):83-96. Available from: https://sid.ir/paper/28865/en

IEEE: Copy

N. ZARE, M. MOGHADAM, M. VALIZADEH, S. AHARIZAD, A.A. BABAI AHARI, and A. YOUSEFI, “RESISTANCE OF BARLEY LANDRACES TO CAUSAL AGENT OF LEAF STRIPE DISEASE,” JOURNAL OF AGRICULTURAL KNOWLEDGE, vol. 17, no. 2, pp. 83–96, 2007, [Online]. Available: https://sid.ir/paper/28865/en

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