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Titolo:
SELECTION OF IN-VITRO PROPAGATED MUSKMELON PLANTS WITH SUPERIOR RESISTANCE TO FUSARIUM-OXYSPORUM F-SP MELONIS
Autore:
THOMAS P; MORE TA; SEN B;
Indirizzi:
INDIAN INST HORT RES,DIV BIOTECHNOL BANGALORE 560089 KARNATAKA INDIA INDIAN AGR RES INST,DIV VEGETABLE CROPS NEW DELHI 110012 INDIA
Titolo Testata:
Tropical agriculture
fascicolo: 3, volume: 73, anno: 1996,
pagine: 187 - 191
SICI:
0041-3216(1996)73:3<187:SOIPMP>2.0.ZU;2-4
Fonte:
ISI
Lingua:
ENG
Soggetto:
WILT; COLONIZATION; TEMPERATURE;
Keywords:
CUCUMIS MELO; DISEASE RESISTANCE; FUSARIUM OXYSPORUM F SP. MELONIS; IN VITRO PROPAGATION; LATENT PATHOGEN; TEMPERATURE EFFECT; SELECTION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
20
Recensione:
Indirizzi per estratti:
Citazione:
P. Thomas et al., "SELECTION OF IN-VITRO PROPAGATED MUSKMELON PLANTS WITH SUPERIOR RESISTANCE TO FUSARIUM-OXYSPORUM F-SP MELONIS", Tropical agriculture, 73(3), 1996, pp. 187-191

Abstract

Three genotypes of muskmelon (Cucumis melo L.), which were identifiedas resistant to the vascular wilt pathogen Fusarium oxysporum f. sp. melonis, subjected to a rigorous selection process under conditions oflow temperatures (av. 17.5 degrees C). High disease incidence and breakdown of general resistance were observed in all the genotypes at this temperature. A few plants which survived this screening at the 28-day stage were carried forward through shoot-tip culture on semisolid Murashige and Skoog (MS) medium supplemented with 3% sucrose, 2 ppm kinetin, and 0.5 ppm indole-3-acetic acid. The pathogen was found to be present in latent form in 77.8, 26.3, and 16.7% of these plants of the genotypes Chittidar, Harela, and IC 540, respectively, as evidenced by the growth of F. oxysporum on the MS culture medium. The remaining shoot-tip cultures, devoid of the latent pathogen, were carried forward and established This approach, comprising the several stages outlined, resulted in the selection of individual plants possessing higher levels of resistance to the pathogen than those of the base population.

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Documento generato il 04/12/20 alle ore 01:39:33