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Distribution, prevalence, and severity of damages caused by nematodes on yam (Dioscorea Rotundata) in Nigeria

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Title Distribution, prevalence, and severity of damages caused by nematodes on yam (Dioscorea Rotundata) in Nigeria
 
Creator Kolombia, Y.A.
Kumar, P. Lava
Adewuyi, O.
Korie, S.
Viaene, N.
Coyne, D.
 
Subject awareness raising
dioscorea
meloidogyne
nematodes
pratylenchus
meloidogyne incognita
scutellonema
symptoms
 
Description Open Access Article
Nigeria is the main yam-growing country of the world. In the country, various plant-parasitic nematodes have been reported constraining yam production and the storability of tubers. This study established the damage level of nematodes on white yam tubers (Dioscorea rotundata) across the major production areas in the country for management purposes. Incidence and severity of symptoms (cracking, dry rot, and galling) associated with nematodes were assessed on 1,114 yam heaps (181 vendors) from 23 markets and on 2,502 tubers from 26 farmer storage areas (yam barns) in the Humid Forest (HF), Derived Savanna (DS) and Southern Guinea Savanna (SGS) agro-ecological zones (AEZ). On yam heaps, the symptom incidence averaged 55%, 35%, and 6% for galls, dry rot, and for cracks, respectively. Only the incidence of dry rot was significantly different (P
 
Date 2020-04-17
2020-07-20T10:26:57Z
2020-07-20T10:26:57Z
 
Type Journal Article
 
Identifier Kolombia, Y.A., Kumar, P.L., Adewuyi, O., Korie, S., Viaene, N., Bert, W. & Coyne, D. (2020). Distribution, prevalence, and severity of damages caused by nematodes on yam (Dioscorea Rotundata) in Nigeria. Nematropica, 50(1), 1-18.
0099-5444
https://hdl.handle.net/10568/108812
 
Language en
es
 
Rights CC-BY-4.0
Open Access
 
Format 1-18
application/pdf
 
Source Nematropica