Combining Ability and Assessment of Resistance Crosses Derived of Multi-line of Corn Maize to Fusarium Ear Rot Disease

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Pesaraklu Sakineh; SOLTANLOO HASSAN; Ramezanpour S. Sanaz; MOSAVAT AFSHIN; TAVAKOL ELAHE

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Journal: JOURNAL OF CROP BREEDING Year:2020 | Volume:12 | Issue:34 Page(s): 130-137

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Title

Combining Ability and Assessment of Resistance Crosses Derived of Multi-line of Corn Maize to Fusarium Ear Rot Disease

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Keywords

CornQ2

Fusarium rotQ2

Cluster analysisQ2

Abstract

Fusarium ear rot is one of the most common diseases in the most Cornfields of the world which control of disease using chemical and agronomic methods is often ineffective and increases production costs, that is because hosting resistance is the best sustainable and tolerable way to reduce losses. For this purpose, an experiment was carried out at the Agricultural Research Station of Gorgan, 2015-2016, complete diallel crosses and back crosses were produced by crossing of five tolerant and susceptible crosses and then evaluating cross resistance. After evaluating the disease severity, results showed that there were significant differences among different crosses for the desired traits and then significant effects of general combining ability and specific combining ability indicated the role of dominance and additive effects in controlling the disease. The crosses were divided into three groups: semi-resistant, semi-susceptible and susceptible. Cluster analysis included 15 tolerant genotypes in one group with disease severity between 26-32%. The highest number of semi-tolerant hybrids were due to the crossing of two C7 and C5 tolerant genotypes with other genotypes. This suggests that these two lines could be good sources for the development of crosses compounds susceptible to Corn fusarium ear rot.

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APA: Copy

Pesaraklu, Sakineh, SOLTANLOO, HASSAN, Ramezanpour, S. Sanaz, MOSAVAT, AFSHIN, & TAVAKOL, ELAHE. (2020). Combining Ability and Assessment of Resistance Crosses Derived of Multi-line of Corn Maize to Fusarium Ear Rot Disease. JOURNAL OF CROP BREEDING, 12(34 ), 130-137. SID. https://sid.ir/paper/400331/en

Vancouver: Copy

Pesaraklu Sakineh, SOLTANLOO HASSAN, Ramezanpour S. Sanaz, MOSAVAT AFSHIN, TAVAKOL ELAHE. Combining Ability and Assessment of Resistance Crosses Derived of Multi-line of Corn Maize to Fusarium Ear Rot Disease. JOURNAL OF CROP BREEDING[Internet]. 2020;12(34 ):130-137. Available from: https://sid.ir/paper/400331/en

IEEE: Copy

Sakineh Pesaraklu, HASSAN SOLTANLOO, S. Sanaz Ramezanpour, AFSHIN MOSAVAT, and ELAHE TAVAKOL, “Combining Ability and Assessment of Resistance Crosses Derived of Multi-line of Corn Maize to Fusarium Ear Rot Disease,” JOURNAL OF CROP BREEDING, vol. 12, no. 34 , pp. 130–137, 2020, [Online]. Available: https://sid.ir/paper/400331/en

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