Control of root-knot nematode ( ) on tomato with molasses and other organic amendments

In two pot experiments in which molasses (10 g molasses/L water) was drenched regularly onto field soils infested with root-knot nematodes ( Meloidogyne javanica ), both root galling and nematode reproduction were reduced. Results of in vitro experiments suggested that this suppressiveness of molass...

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Veröffentlicht in:Australasian plant pathology 1997-01, Vol.26 (3), p.179-187
Hauptverfasser: Vawdrey, L.L., Stirling, G.R.
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description In two pot experiments in which molasses (10 g molasses/L water) was drenched regularly onto field soils infested with root-knot nematodes ( Meloidogyne javanica ), both root galling and nematode reproduction were reduced. Results of in vitro experiments suggested that this suppressiveness of molasses to nematodes was not an osmotic effect, but was probably due to antagonism of nematodes by microorganisms that utilise it as a substrate. In a field grown tomato crop, the suppressive effects of sawdust (150 m 3 /ha) plus urea (600 kg/ha), filter press (400 m 3 /ha), molasses (375 L/ha/week for 14 weeks), a velvet bean green manure crop and the nematicide fenamiphos (10 kg a.i./ha) were compared. Untreated plants were heavily galled but all organic treatments except the green manure crop reduced root galling and all except the green manure crop and molasses reduced root-knot nematode populations in soil. Sawdust-amended soil was almost free of galls and had the lowest populations of root-knot nematode. Keywords: Sawdust, velvet bean, green manure, sugar, sucrose Australasian Plant Pathology 26(3) 179 - 187 Full text doi:10.1071/AP97029 © CSIRO 1997
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source SpringerNature Journals
subjects Antagonism
Beans
Crops
fenamiphos
Filters
Galls
Green development
Lycopersicon esculentum
Manure
Meloidogyne javanica
Microorganisms
Molasses
Nematoda
Nematodes
Pathology
Reproduction
Roots
Sawdust
Soil
Urea
title Control of root-knot nematode ( ) on tomato with molasses and other organic amendments
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