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Physiological races of Exserohilum turcicum in Israel
Year:
1989
Source of publication :
Phytoparasitica
Authors :
Bar-Tsur, Avri
;
.
Volume :
17
Co-Authors:
Abadi, R., Dept. of Life Sciences, Bar-Flan University, Ramat Gan, 52100, Israel
Levy, Y., Dept. of Life Sciences, Bar-Flan University, Ramat Gan, 52100, Israel
Bar-Tsur, A., Dept. of Field Crops, ARO, Newe Ya’Ar Experiment Station, Haifa Post, 31999, Israel
Facilitators :
From page:
23
To page:
30
(
Total pages:
8
)
Abstract:
A set of differentials of corn plants (Zea mays L.) containing Ht1, Ht2, Ht3 or HtN genes was used to identify races of Exserohilum turcicum in Israel. Plants were inoculated with 14 isolates of E. turcicum collected from various regions in Israel (from Ayyelet HaShahar in the north to Sa’ad in the south). Differentials containing Ht1, Ht2, Ht3 or HtN genes were resistant to the 14 isolates tested, whereas the inbred lines without Ht genes were highly sensitive. Resistance was characterized by the formation of non-sporulating chlorotic lesions. When plants containing Ht1, Ht2 or Ht3 genes were inoculated with relatively high inoculum concentrations (over 50 conidia/drop), chlorotic lesions were associated with necrosis in the center of the lesions. Sporulation of the fungus in the necrotic parts of the lesions was significantly less than on plants without Ht genes. No necrosis was observed in plants with the HtN gene. Our results indicate that the physiological race of E. turcicum in Israel is race 1. © 1989, Springer Science + Business Media B.V.. All rights reserved.
Note:
Related Files :
Exserohilum turcicum
monogenic resistance
physiological races
Zea mays
Show More
Related Content
More details
DOI :
10.1007/BF02979602
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
21687
Last updated date:
02/03/2022 17:27
Creation date:
16/04/2018 23:46
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Scientific Publication
Physiological races of Exserohilum turcicum in Israel
17
Abadi, R., Dept. of Life Sciences, Bar-Flan University, Ramat Gan, 52100, Israel
Levy, Y., Dept. of Life Sciences, Bar-Flan University, Ramat Gan, 52100, Israel
Bar-Tsur, A., Dept. of Field Crops, ARO, Newe Ya’Ar Experiment Station, Haifa Post, 31999, Israel
Physiological races of Exserohilum turcicum in Israel
A set of differentials of corn plants (Zea mays L.) containing Ht1, Ht2, Ht3 or HtN genes was used to identify races of Exserohilum turcicum in Israel. Plants were inoculated with 14 isolates of E. turcicum collected from various regions in Israel (from Ayyelet HaShahar in the north to Sa’ad in the south). Differentials containing Ht1, Ht2, Ht3 or HtN genes were resistant to the 14 isolates tested, whereas the inbred lines without Ht genes were highly sensitive. Resistance was characterized by the formation of non-sporulating chlorotic lesions. When plants containing Ht1, Ht2 or Ht3 genes were inoculated with relatively high inoculum concentrations (over 50 conidia/drop), chlorotic lesions were associated with necrosis in the center of the lesions. Sporulation of the fungus in the necrotic parts of the lesions was significantly less than on plants without Ht genes. No necrosis was observed in plants with the HtN gene. Our results indicate that the physiological race of E. turcicum in Israel is race 1. © 1989, Springer Science + Business Media B.V.. All rights reserved.
Scientific Publication
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