Control of Fusarium wilt in bittergourd and bottlegourd by biofumigation using mustard var. Monteverde

Fusarium wilt disease is a growing concern in cucurbit crops in the Philippines. Most often than not, farmers highly depend on commercial fungicides for control but these chemicals are very expensive and not environment-friendly. Biofumigation and green manuring using Brassica plants is a potential...

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Bibliographic Details
Published in:Archiv für Phytopathologie und Pflanzenschutz 2013-04, Vol.46 (6), p.747-753
Main Authors: Relevante, C.A, Cumagun, C.J.R
Format: Article
Language:English
Subjects:
biofumigation
bittergourd
bottlegourd
Brassica
crops
F. oxysporum f. sp. lagenariae
F. oxysporum f. sp. momordicae
farmers
fungicides
Fusarium
Fusarium wilt
in vitro studies
Lagenaria siceraria
Momordica charantia
mustard greens
mycelium
slurries
soil
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Summary:Fusarium wilt disease is a growing concern in cucurbit crops in the Philippines. Most often than not, farmers highly depend on commercial fungicides for control but these chemicals are very expensive and not environment-friendly. Biofumigation and green manuring using Brassica plants is a potential alternative for sustainable management of this destructive disease. A study was conducted to evaluate the efficacy of mustard var. Montevede as a biofumigant and green manure to control Fusarium wilt disease of bittergourd (Momordica charantia L.) and bottlegourd (Lagenaria siceraria (Mol.) Standl.). In vitro assay of mustard slurry resulted in 100% suppression of the mycelial growth of F. oxysporum f. sp. momordicae and F. oxysporum f. sp. lagenariae isolates after exposure to 5, 10 and 15 g of mustard slurry compared with the control. Similarly, incorporation of the macerated mustard leaves in the infested soil reduced Fusarium wilt incidence by 100% in bittergourd and bottlegourd. The effect of mustard was comparable to Bavistin® fungicide both in vitro and in vivo.
ISSN:1477-2906
0323-5408
1477-2906
DOI:10.1080/03235408.2012.751285