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Suppression of powdery mildew in squash by applications of whitewash, clay and antitranspirant materials
Year:
1994
Source of publication :
Phytoparasitica
Authors :
Cohen, Roni
;
.
Marco, Shlomo
;
.
Ziv, Oded
;
.
Volume :
22
Co-Authors:
Marco, S., Dept. of Virology, ARO, The Volcani Center, Bet Dagan, 50250, Israel
Ziv, O., Dept. of Field Crops, ARO, The Volcani Center, Bet Dagan, 50250, Israel
Cohen, R., Dept. of Vegetable Crops, ARO, The Volcani Center, Bet Dagan, 50250, Israel
Facilitators :
From page:
19
To page:
29
(
Total pages:
11
)
Abstract:
The incidence of powdery mildew, caused by Sphaerotheca fuliginea (Schlecht. Fr.) Polacci, in squash plants, was suppressed in the field to 50-60% of that in untreated control plants by weekly sprays with whitewash (Loven or Yalbin) or clay. Loven or Yalbin sprays resulted in significant reductions in disease level, more on the adaxial (59-65%) than on the abaxial (38-52%) surface of leaves, and more on young (53-59%) than on old (12-18%) leaves. The addition of 0.1% Dabak (a commercial sticker) to the whitewashes significantly increased their efficiency (22% above that of the controls), the degree of protection being associated with whitewash concentration. Squash leaves were protected from powdery mildew also by weekly sprays of the antitranspirant Vapor Gard, to a level comparable with that achieved by a whitewash plus sticker. However, the protection levels achieved with whitewashes, clays and antitranspirant were lower than with a fungicide (propiconazole). Experiments conducted under controlled conditions resulted in higher rates of escape from infection and a lower rate of hyphal and conidial development on plants and tissues following whitewash, clay and antitranspirant treatments. © 1994 Springer Science + Business Media B.V.
Note:
Related Files :
Cucurbita pepo
Loven, whitewash
Powdery mildew control
propiconazole
Sphaerotheca fuliginea
sporulation
Vapor Gard
Yalbin, whitewash
Show More
Related Content
More details
DOI :
10.1007/BF03158588
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
19324
Last updated date:
02/03/2022 17:27
Creation date:
16/04/2018 23:28
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Scientific Publication
Suppression of powdery mildew in squash by applications of whitewash, clay and antitranspirant materials
22
Marco, S., Dept. of Virology, ARO, The Volcani Center, Bet Dagan, 50250, Israel
Ziv, O., Dept. of Field Crops, ARO, The Volcani Center, Bet Dagan, 50250, Israel
Cohen, R., Dept. of Vegetable Crops, ARO, The Volcani Center, Bet Dagan, 50250, Israel
Suppression of powdery mildew in squash by applications of whitewash, clay and antitranspirant materials
The incidence of powdery mildew, caused by Sphaerotheca fuliginea (Schlecht. Fr.) Polacci, in squash plants, was suppressed in the field to 50-60% of that in untreated control plants by weekly sprays with whitewash (Loven or Yalbin) or clay. Loven or Yalbin sprays resulted in significant reductions in disease level, more on the adaxial (59-65%) than on the abaxial (38-52%) surface of leaves, and more on young (53-59%) than on old (12-18%) leaves. The addition of 0.1% Dabak (a commercial sticker) to the whitewashes significantly increased their efficiency (22% above that of the controls), the degree of protection being associated with whitewash concentration. Squash leaves were protected from powdery mildew also by weekly sprays of the antitranspirant Vapor Gard, to a level comparable with that achieved by a whitewash plus sticker. However, the protection levels achieved with whitewashes, clays and antitranspirant were lower than with a fungicide (propiconazole). Experiments conducted under controlled conditions resulted in higher rates of escape from infection and a lower rate of hyphal and conidial development on plants and tissues following whitewash, clay and antitranspirant treatments. © 1994 Springer Science + Business Media B.V.
Scientific Publication
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