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פותח על ידי קלירמאש פתרונות בע"מ -
Induction of systemic resistance on bean (Phaseolus vulgaris) by Trichoderma harzianum
Year:
1997
Authors :
אלעד, יגאל
;
.
Volume :
62
Co-Authors:

J Bigirimana, G De Meyer, J Poppe, M Höfte

Facilitators :
From page:
1001
To page:
1007
(
Total pages:
7
)
Abstract:
A bioassay for induced systemic resistance (ISR) to Botrytis cinerea in bean has been used to evaluate ISR by a root treatment with Trichoderma harzianum T39 (Trichodex). Previously, it was reported that the salicylic acid-producing rhizobacterium Pseudomonas aeruginosa KMPCH induced resistance in the bean-Botrytis bioassay. Bean plants grown in a soil treated with T. harzianum T39 showed significantly less disease symptoms upon Botrytis cinerea inoculation to the leaves compared with untreated control plants. The observed disease reduction with T. harzianum T 39 was of the same level as in P. aeruginosa KMPCH-treated plants. In order to evaluate the spectrum of this ISR, another fungal pathogen, Colletotrichum lindemuthianum, was used. A 105 ml-1 inoculum was sprayed on primary leaves of 10-day-old beans. Development of anthracnose symptoms was reduced on plants grown in a soil treated with either T. harzianum T39 or P. aeruginosa KMPCH compared with the control. When a 106 spores/ml inoculum was used, P. aeruginosa KMPCH treatment no longer reduced anthracnose symptoms but ISR by T. harzianum T39 was still observed. These results indicate that at least in the bean-Colletotrichum system, the ISR by P. aeruginosa KMPCH and T. harzianum T39 seemed to be different. Mechanisms involved remain to be studied.
Note:
Related Files :
bean
Botrytis
Botrytis cinerea
Induced resistance
Phaseolus
plant protection
Trichoderma harzianum
עוד תגיות
תוכן קשור
More details
DOI :
Article number:
0
Affiliations:
Database:
גוגל סקולר
Publication Type:
מאמר
;
.
מאמר מתוך כינוס
;
.
Language:
אנגלית
Editors' remarks:
ID:
37569
Last updated date:
02/03/2022 17:27
Creation date:
16/10/2018 09:31
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Scientific Publication
Induction of systemic resistance on bean (Phaseolus vulgaris) by Trichoderma harzianum
62

J Bigirimana, G De Meyer, J Poppe, M Höfte

A bioassay for induced systemic resistance (ISR) to Botrytis cinerea in bean has been used to evaluate ISR by a root treatment with Trichoderma harzianum T39 (Trichodex). Previously, it was reported that the salicylic acid-producing rhizobacterium Pseudomonas aeruginosa KMPCH induced resistance in the bean-Botrytis bioassay. Bean plants grown in a soil treated with T. harzianum T39 showed significantly less disease symptoms upon Botrytis cinerea inoculation to the leaves compared with untreated control plants. The observed disease reduction with T. harzianum T 39 was of the same level as in P. aeruginosa KMPCH-treated plants. In order to evaluate the spectrum of this ISR, another fungal pathogen, Colletotrichum lindemuthianum, was used. A 105 ml-1 inoculum was sprayed on primary leaves of 10-day-old beans. Development of anthracnose symptoms was reduced on plants grown in a soil treated with either T. harzianum T39 or P. aeruginosa KMPCH compared with the control. When a 106 spores/ml inoculum was used, P. aeruginosa KMPCH treatment no longer reduced anthracnose symptoms but ISR by T. harzianum T39 was still observed. These results indicate that at least in the bean-Colletotrichum system, the ISR by P. aeruginosa KMPCH and T. harzianum T39 seemed to be different. Mechanisms involved remain to be studied.
Scientific Publication
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