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פותח על ידי קלירמאש פתרונות בע"מ -
Race-specific response of Cucurbita germplasm to Pseudoperonospora cubensis
Year:
2016
Source of publication :
Euphytica
Authors :
פריס, הרי
;
.
Volume :
212
Co-Authors:
Lebeda, A., Department of Botany, Faculty of Science, Palacký University in Olomouc, Šlechtitelů 27, Olomouc-Holice, Czech Republic
Křístková, E., Department of Botany, Faculty of Science, Palacký University in Olomouc, Šlechtitelů 27, Olomouc-Holice, Czech Republic
Roháčková, J., Department of Botany, Faculty of Science, Palacký University in Olomouc, Šlechtitelů 27, Olomouc-Holice, Czech Republic
Sedláková, B., Department of Botany, Faculty of Science, Palacký University in Olomouc, Šlechtitelů 27, Olomouc-Holice, Czech Republic
Widrlechner, M.P., Departments of Horticulture and of Ecology, Evolution and Organismal Biology, Iowa State University, Ames, IA, United States
Paris, H.S., Department of Vegetable Crops and Plant Genetics, Newe Ya‘ar Research Center, Agricultural Research Organization, Ramat Yishay, Israel
Facilitators :
From page:
145
To page:
156
(
Total pages:
12
)
Abstract:
The host range of Pseudoperonospora cubensis, the causal agent of cucurbit downy mildew, includes many taxa of the Cucurbitaceae. Little is known of the interactions of this pathogen with wild and weedy Cucurbita species, the genus encompassing two important crops, pumpkin and squash. Interactions of 97 Cucurbita spp. accessions, mostly wild and weedy forms representing 10 species, with 11 P. cubensis isolates originating from Cucumis sativus were studied by using a leaf-disc method under controlled conditions. Among the 97 accessions, 57 distinct reaction patterns were observed. Fifteen accessions were resistant and 12 susceptible to all 11 pathogen isolates. Within-accession, heterogeneous reactions were observed in only nine interactions. Of the 15 accessions resistant to all pathotypes, 13 were wild and weedy C. argyrosperma. Reactions of Cucurbita spp. to P. cubensis are race-specific. The development of methodology for P. cubensis race determination and denomination should include a differential set of genotypes for each species separately. C. argyrosperma, which is partially cross-compatible with the economically important C. pepo, offers a potential source for breeding downy mildew-resistant squash and pumpkins. © 2016, Springer Science+Business Media Dordrecht.
Note:
Related Files :
Cucurbitaceae
host-pathogen interaction
Pumpkin
Reaction pattern
squash
Wild Cucurbita species
עוד תגיות
תוכן קשור
More details
DOI :
10.1007/s10681-016-1783-2
Article number:
Affiliations:
Database:
סקופוס
Publication Type:
מאמר
;
.
Language:
אנגלית
Editors' remarks:
ID:
30028
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:51
Scientific Publication
Race-specific response of Cucurbita germplasm to Pseudoperonospora cubensis
212
Lebeda, A., Department of Botany, Faculty of Science, Palacký University in Olomouc, Šlechtitelů 27, Olomouc-Holice, Czech Republic
Křístková, E., Department of Botany, Faculty of Science, Palacký University in Olomouc, Šlechtitelů 27, Olomouc-Holice, Czech Republic
Roháčková, J., Department of Botany, Faculty of Science, Palacký University in Olomouc, Šlechtitelů 27, Olomouc-Holice, Czech Republic
Sedláková, B., Department of Botany, Faculty of Science, Palacký University in Olomouc, Šlechtitelů 27, Olomouc-Holice, Czech Republic
Widrlechner, M.P., Departments of Horticulture and of Ecology, Evolution and Organismal Biology, Iowa State University, Ames, IA, United States
Paris, H.S., Department of Vegetable Crops and Plant Genetics, Newe Ya‘ar Research Center, Agricultural Research Organization, Ramat Yishay, Israel
Race-specific response of Cucurbita germplasm to Pseudoperonospora cubensis
The host range of Pseudoperonospora cubensis, the causal agent of cucurbit downy mildew, includes many taxa of the Cucurbitaceae. Little is known of the interactions of this pathogen with wild and weedy Cucurbita species, the genus encompassing two important crops, pumpkin and squash. Interactions of 97 Cucurbita spp. accessions, mostly wild and weedy forms representing 10 species, with 11 P. cubensis isolates originating from Cucumis sativus were studied by using a leaf-disc method under controlled conditions. Among the 97 accessions, 57 distinct reaction patterns were observed. Fifteen accessions were resistant and 12 susceptible to all 11 pathogen isolates. Within-accession, heterogeneous reactions were observed in only nine interactions. Of the 15 accessions resistant to all pathotypes, 13 were wild and weedy C. argyrosperma. Reactions of Cucurbita spp. to P. cubensis are race-specific. The development of methodology for P. cubensis race determination and denomination should include a differential set of genotypes for each species separately. C. argyrosperma, which is partially cross-compatible with the economically important C. pepo, offers a potential source for breeding downy mildew-resistant squash and pumpkins. © 2016, Springer Science+Business Media Dordrecht.
Scientific Publication
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