Incidence and damage caused by maize stemborers on farmers' fields in south western nigeria
The incidence and damage of maize (Zea mays L.) by stemborers complex of Eldana saccharina Walker, Sesamia calamistis Hampson, Acigona (Syn = Coniesta ignefusalis Hampson) and Mussidia nigrivenella Roganot were assessed in 17 and 6 small-scale farmers' fields in southwestern Nigeria during the...
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| creator | Oigiangbe, O.N Ivbijaro, M.F Ewete, F.K Mutsaers, H.J.W |
| description | The incidence and damage of maize (Zea mays L.) by stemborers complex
of Eldana saccharina Walker, Sesamia calamistis Hampson, Acigona (Syn =
Coniesta ignefusalis Hampson) and Mussidia nigrivenella Roganot were
assessed in 17 and 6 small-scale farmers' fields in southwestern
Nigeria during the early and late cropping seasons of 1991,
respectively. The incidence, numbers of borer larvae and pupae as well
as the damage caused were significantly higher in the late compared to
the early season. Eldana saccharina and S. calamistis were the most
abundant species while A. ignefusalis and B. fusca occurred in lower
numbers at harvest. Mussidia nigrivenella occurred only during the late
season. Eldana saccharina (r=0.96) and S. calalmistis (r=0.88) caused
the highest percentage stalk length damage while A. ignefusalis
(r=0.76) and E. saccharina (r=0.53) accounted more for the percentage
node damaged during the early season. During the late season, B. fusca
significantly increased the percentage nodes damaged (r=-0.86) while A.
ignefusalis significantly reduced yield (r=-0.998). Combining the data
for the two seasons revealed that 94.8% of the variation in yield was
accounted for by cob weight, percentage of node damaged, number of
plants damaged and the incidence of stemborers per farm. The percentage
length damaged accounted for 30.9% of the variance in cob weight, while
the number of S. calamistis per stalk accounted for another 17.7%. Of
the variance in cob weight, 18.7% were accounted for by the total
number of stemborers per stalk. The need to further investigate factors
affecting oviposition choice by female maize stembores is highlighted.
La frequence et les degets des foreuses des tiges du Mais, Eldana
saccharina Walker, Sesamia calamistis Hampson, Acigona (Syn = Coniesta
ignefusalis Hampson) et Mussidia nigrivenella Roganot ont ete evalues
dans 17 et 6 champs de paysans du Nigeria, respectivement au debut et a
la fin des saisons de culture en 1991. Cette evaluation fait partie
d'un project visant a identifier les contraintes de la production du
Mais dans la region. La frequence, le nombre de larves d'insectes et de
chrysalides et les degets causes etaient sensiblement eleves a la fin
de la saison de culture comparativement a ceuxs trouves au debut de la
saison de culture. E. saccharina et S. calamistis etaient les especes
les plus abondantes alors que A. ignefusalis et B. fusca se sont
presentes en nombres reduits. Mussidia nigrivenella s'est presente
seul |
| doi_str_mv | 10.4314/acsj.v5i3.27848 |
| format | Article |
| fullrecord | <record><control><sourceid>bioline_cross</sourceid><recordid>TN_cdi_crossref_primary_10_4314_acsj_v5i3_27848</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>cria_bioline_cs_cs97036</sourcerecordid><originalsourceid>FETCH-LOGICAL-b1258-7221bf400492bf7639204df8714f6b383e927810281b76b505214d52962cf3a3</originalsourceid><addsrcrecordid>eNo9kMtLAzEQxoMoWKtnr7l52m2em-xRio9CwUtvHkKeNaWblaRV6l9valUYmGGYb_i-HwC3GLWMYjbTtmzaDx5pS4Rk8gxMCBKk6bjsz8EEI4KbXlB0Ca5K2SBEGCd8Al4XyUbnk_VQJwedHvTaQ6v3xTtoDnDQ8cvDsvODGbPPBY4JBp2HOt7BEP3WFRgTLON-9wY_fT3MCaa49jnqa3AR9Lb4m98-BavHh9X8uVm-PC3m98vGYMJlIwjBJjCEWE9MEB3tCWIuSIFZ6AyV1Pc1UQ0gsRGd4YgTzBwnfUdsoJpOwez01uaxlOyDes9x0PmgMFJHNOqIRh3RqB80VdGeFCaO25j8v8BW1-pvaUutXiDa0W87wmjT</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype></control><display><type>article</type><title>Incidence and damage caused by maize stemborers on farmers' fields in south western nigeria</title><source>African Journals Online (Open Access)</source><source>Bioline International</source><source>Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals</source><creator>Oigiangbe, O.N ; Ivbijaro, M.F ; Ewete, F.K ; Mutsaers, H.J.W</creator><creatorcontrib>Oigiangbe, O.N ; Ivbijaro, M.F ; Ewete, F.K ; Mutsaers, H.J.W</creatorcontrib><description>The incidence and damage of maize (Zea mays L.) by stemborers complex
of Eldana saccharina Walker, Sesamia calamistis Hampson, Acigona (Syn =
Coniesta ignefusalis Hampson) and Mussidia nigrivenella Roganot were
assessed in 17 and 6 small-scale farmers' fields in southwestern
Nigeria during the early and late cropping seasons of 1991,
respectively. The incidence, numbers of borer larvae and pupae as well
as the damage caused were significantly higher in the late compared to
the early season. Eldana saccharina and S. calamistis were the most
abundant species while A. ignefusalis and B. fusca occurred in lower
numbers at harvest. Mussidia nigrivenella occurred only during the late
season. Eldana saccharina (r=0.96) and S. calalmistis (r=0.88) caused
the highest percentage stalk length damage while A. ignefusalis
(r=0.76) and E. saccharina (r=0.53) accounted more for the percentage
node damaged during the early season. During the late season, B. fusca
significantly increased the percentage nodes damaged (r=-0.86) while A.
ignefusalis significantly reduced yield (r=-0.998). Combining the data
for the two seasons revealed that 94.8% of the variation in yield was
accounted for by cob weight, percentage of node damaged, number of
plants damaged and the incidence of stemborers per farm. The percentage
length damaged accounted for 30.9% of the variance in cob weight, while
the number of S. calamistis per stalk accounted for another 17.7%. Of
the variance in cob weight, 18.7% were accounted for by the total
number of stemborers per stalk. The need to further investigate factors
affecting oviposition choice by female maize stembores is highlighted.
La frequence et les degets des foreuses des tiges du Mais, Eldana
saccharina Walker, Sesamia calamistis Hampson, Acigona (Syn = Coniesta
ignefusalis Hampson) et Mussidia nigrivenella Roganot ont ete evalues
dans 17 et 6 champs de paysans du Nigeria, respectivement au debut et a
la fin des saisons de culture en 1991. Cette evaluation fait partie
d'un project visant a identifier les contraintes de la production du
Mais dans la region. La frequence, le nombre de larves d'insectes et de
chrysalides et les degets causes etaient sensiblement eleves a la fin
de la saison de culture comparativement a ceuxs trouves au debut de la
saison de culture. E. saccharina et S. calamistis etaient les especes
les plus abondantes alors que A. ignefusalis et B. fusca se sont
presentes en nombres reduits. Mussidia nigrivenella s'est presente
seulement a la fin de la saison. E. saccharina (r=0,96) et S.
calamistis (r=0,88) ont cause le pourcentage le plus eleve des degets
de la tige alors que A. ignefusalis (r=0,76) et E. Saccharina (r=0,53)
ont ete la cause d'un pourcentage plus eleve des degets du noeud au
debut de la saison. B. fusca augmente sensiblement le rendement
(r=0,90) et le nombre de pieds (r=0,96). En fin de saison, B. fusca, a
sensiblement augmente le pourcentage des noeuds endommages (r=0,86)
tandis que A. ignefusalis a reduit de facon significative la production
(r=-0,998). Pour les deux saisons, 94,8% de variation de la prodution
ont ete attribues aux poids des epis, au pourcentage des noeuds
endommages au nombre de plantes attaquees et a l'incidence des insectes
par champ. Le pourcentage de la longueur de la tige endommagee
representait 30,9% de la variance entre les poids de l'epi, tandis que
le nombre de S. calamistis par tige comptait par ailleurs pour 17,7%
tandis que 18,7% de cette variance a cause par le nombre total d'
insectes terebrants par tige. ll y a des lors lieu d'etudier les
facteurs qui affectent le choix du lieu de ponte par les insectes
femelles foreuses de tiges de mais.</description><identifier>ISSN: 1021-9730</identifier><identifier>ISSN: 2072-6589</identifier><identifier>EISSN: 2072-6589</identifier><identifier>DOI: 10.4314/acsj.v5i3.27848</identifier><language>eng</language><publisher>African Crop Science Society</publisher><subject>Cob weight, Eldana saccharina, Mussidia nigrivenella, oviposition, Sesamia calamistis, stalk damage, Zea mays ; Poids de l'epi, Eldana saccharina, Mussidia nigrivenella, lieu de ponte, Sesamia calamistis, degets de la tige, Zea mays</subject><ispartof>African crop science journal, 1997-12, Vol.5 (3)</ispartof><rights>Copyright 1997 - African Crop Science Society</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-b1258-7221bf400492bf7639204df8714f6b383e927810281b76b505214d52962cf3a3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27903,27904,79172</link.rule.ids></links><search><creatorcontrib>Oigiangbe, O.N</creatorcontrib><creatorcontrib>Ivbijaro, M.F</creatorcontrib><creatorcontrib>Ewete, F.K</creatorcontrib><creatorcontrib>Mutsaers, H.J.W</creatorcontrib><title>Incidence and damage caused by maize stemborers on farmers' fields in south western nigeria</title><title>African crop science journal</title><description>The incidence and damage of maize (Zea mays L.) by stemborers complex
of Eldana saccharina Walker, Sesamia calamistis Hampson, Acigona (Syn =
Coniesta ignefusalis Hampson) and Mussidia nigrivenella Roganot were
assessed in 17 and 6 small-scale farmers' fields in southwestern
Nigeria during the early and late cropping seasons of 1991,
respectively. The incidence, numbers of borer larvae and pupae as well
as the damage caused were significantly higher in the late compared to
the early season. Eldana saccharina and S. calamistis were the most
abundant species while A. ignefusalis and B. fusca occurred in lower
numbers at harvest. Mussidia nigrivenella occurred only during the late
season. Eldana saccharina (r=0.96) and S. calalmistis (r=0.88) caused
the highest percentage stalk length damage while A. ignefusalis
(r=0.76) and E. saccharina (r=0.53) accounted more for the percentage
node damaged during the early season. During the late season, B. fusca
significantly increased the percentage nodes damaged (r=-0.86) while A.
ignefusalis significantly reduced yield (r=-0.998). Combining the data
for the two seasons revealed that 94.8% of the variation in yield was
accounted for by cob weight, percentage of node damaged, number of
plants damaged and the incidence of stemborers per farm. The percentage
length damaged accounted for 30.9% of the variance in cob weight, while
the number of S. calamistis per stalk accounted for another 17.7%. Of
the variance in cob weight, 18.7% were accounted for by the total
number of stemborers per stalk. The need to further investigate factors
affecting oviposition choice by female maize stembores is highlighted.
La frequence et les degets des foreuses des tiges du Mais, Eldana
saccharina Walker, Sesamia calamistis Hampson, Acigona (Syn = Coniesta
ignefusalis Hampson) et Mussidia nigrivenella Roganot ont ete evalues
dans 17 et 6 champs de paysans du Nigeria, respectivement au debut et a
la fin des saisons de culture en 1991. Cette evaluation fait partie
d'un project visant a identifier les contraintes de la production du
Mais dans la region. La frequence, le nombre de larves d'insectes et de
chrysalides et les degets causes etaient sensiblement eleves a la fin
de la saison de culture comparativement a ceuxs trouves au debut de la
saison de culture. E. saccharina et S. calamistis etaient les especes
les plus abondantes alors que A. ignefusalis et B. fusca se sont
presentes en nombres reduits. Mussidia nigrivenella s'est presente
seulement a la fin de la saison. E. saccharina (r=0,96) et S.
calamistis (r=0,88) ont cause le pourcentage le plus eleve des degets
de la tige alors que A. ignefusalis (r=0,76) et E. Saccharina (r=0,53)
ont ete la cause d'un pourcentage plus eleve des degets du noeud au
debut de la saison. B. fusca augmente sensiblement le rendement
(r=0,90) et le nombre de pieds (r=0,96). En fin de saison, B. fusca, a
sensiblement augmente le pourcentage des noeuds endommages (r=0,86)
tandis que A. ignefusalis a reduit de facon significative la production
(r=-0,998). Pour les deux saisons, 94,8% de variation de la prodution
ont ete attribues aux poids des epis, au pourcentage des noeuds
endommages au nombre de plantes attaquees et a l'incidence des insectes
par champ. Le pourcentage de la longueur de la tige endommagee
representait 30,9% de la variance entre les poids de l'epi, tandis que
le nombre de S. calamistis par tige comptait par ailleurs pour 17,7%
tandis que 18,7% de cette variance a cause par le nombre total d'
insectes terebrants par tige. ll y a des lors lieu d'etudier les
facteurs qui affectent le choix du lieu de ponte par les insectes
femelles foreuses de tiges de mais.</description><subject>Cob weight, Eldana saccharina, Mussidia nigrivenella, oviposition, Sesamia calamistis, stalk damage, Zea mays</subject><subject>Poids de l'epi, Eldana saccharina, Mussidia nigrivenella, lieu de ponte, Sesamia calamistis, degets de la tige, Zea mays</subject><issn>1021-9730</issn><issn>2072-6589</issn><issn>2072-6589</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1997</creationdate><recordtype>article</recordtype><sourceid>RBI</sourceid><recordid>eNo9kMtLAzEQxoMoWKtnr7l52m2em-xRio9CwUtvHkKeNaWblaRV6l9valUYmGGYb_i-HwC3GLWMYjbTtmzaDx5pS4Rk8gxMCBKk6bjsz8EEI4KbXlB0Ca5K2SBEGCd8Al4XyUbnk_VQJwedHvTaQ6v3xTtoDnDQ8cvDsvODGbPPBY4JBp2HOt7BEP3WFRgTLON-9wY_fT3MCaa49jnqa3AR9Lb4m98-BavHh9X8uVm-PC3m98vGYMJlIwjBJjCEWE9MEB3tCWIuSIFZ6AyV1Pc1UQ0gsRGd4YgTzBwnfUdsoJpOwez01uaxlOyDes9x0PmgMFJHNOqIRh3RqB80VdGeFCaO25j8v8BW1-pvaUutXiDa0W87wmjT</recordid><startdate>19971231</startdate><enddate>19971231</enddate><creator>Oigiangbe, O.N</creator><creator>Ivbijaro, M.F</creator><creator>Ewete, F.K</creator><creator>Mutsaers, H.J.W</creator><general>African Crop Science Society</general><scope>RBI</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>19971231</creationdate><title>Incidence and damage caused by maize stemborers on farmers' fields in south western nigeria</title><author>Oigiangbe, O.N ; Ivbijaro, M.F ; Ewete, F.K ; Mutsaers, H.J.W</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-b1258-7221bf400492bf7639204df8714f6b383e927810281b76b505214d52962cf3a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1997</creationdate><topic>Cob weight, Eldana saccharina, Mussidia nigrivenella, oviposition, Sesamia calamistis, stalk damage, Zea mays</topic><topic>Poids de l'epi, Eldana saccharina, Mussidia nigrivenella, lieu de ponte, Sesamia calamistis, degets de la tige, Zea mays</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Oigiangbe, O.N</creatorcontrib><creatorcontrib>Ivbijaro, M.F</creatorcontrib><creatorcontrib>Ewete, F.K</creatorcontrib><creatorcontrib>Mutsaers, H.J.W</creatorcontrib><collection>Bioline International</collection><collection>CrossRef</collection><jtitle>African crop science journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Oigiangbe, O.N</au><au>Ivbijaro, M.F</au><au>Ewete, F.K</au><au>Mutsaers, H.J.W</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Incidence and damage caused by maize stemborers on farmers' fields in south western nigeria</atitle><jtitle>African crop science journal</jtitle><date>1997-12-31</date><risdate>1997</risdate><volume>5</volume><issue>3</issue><issn>1021-9730</issn><issn>2072-6589</issn><eissn>2072-6589</eissn><abstract>The incidence and damage of maize (Zea mays L.) by stemborers complex
of Eldana saccharina Walker, Sesamia calamistis Hampson, Acigona (Syn =
Coniesta ignefusalis Hampson) and Mussidia nigrivenella Roganot were
assessed in 17 and 6 small-scale farmers' fields in southwestern
Nigeria during the early and late cropping seasons of 1991,
respectively. The incidence, numbers of borer larvae and pupae as well
as the damage caused were significantly higher in the late compared to
the early season. Eldana saccharina and S. calamistis were the most
abundant species while A. ignefusalis and B. fusca occurred in lower
numbers at harvest. Mussidia nigrivenella occurred only during the late
season. Eldana saccharina (r=0.96) and S. calalmistis (r=0.88) caused
the highest percentage stalk length damage while A. ignefusalis
(r=0.76) and E. saccharina (r=0.53) accounted more for the percentage
node damaged during the early season. During the late season, B. fusca
significantly increased the percentage nodes damaged (r=-0.86) while A.
ignefusalis significantly reduced yield (r=-0.998). Combining the data
for the two seasons revealed that 94.8% of the variation in yield was
accounted for by cob weight, percentage of node damaged, number of
plants damaged and the incidence of stemborers per farm. The percentage
length damaged accounted for 30.9% of the variance in cob weight, while
the number of S. calamistis per stalk accounted for another 17.7%. Of
the variance in cob weight, 18.7% were accounted for by the total
number of stemborers per stalk. The need to further investigate factors
affecting oviposition choice by female maize stembores is highlighted.
La frequence et les degets des foreuses des tiges du Mais, Eldana
saccharina Walker, Sesamia calamistis Hampson, Acigona (Syn = Coniesta
ignefusalis Hampson) et Mussidia nigrivenella Roganot ont ete evalues
dans 17 et 6 champs de paysans du Nigeria, respectivement au debut et a
la fin des saisons de culture en 1991. Cette evaluation fait partie
d'un project visant a identifier les contraintes de la production du
Mais dans la region. La frequence, le nombre de larves d'insectes et de
chrysalides et les degets causes etaient sensiblement eleves a la fin
de la saison de culture comparativement a ceuxs trouves au debut de la
saison de culture. E. saccharina et S. calamistis etaient les especes
les plus abondantes alors que A. ignefusalis et B. fusca se sont
presentes en nombres reduits. Mussidia nigrivenella s'est presente
seulement a la fin de la saison. E. saccharina (r=0,96) et S.
calamistis (r=0,88) ont cause le pourcentage le plus eleve des degets
de la tige alors que A. ignefusalis (r=0,76) et E. Saccharina (r=0,53)
ont ete la cause d'un pourcentage plus eleve des degets du noeud au
debut de la saison. B. fusca augmente sensiblement le rendement
(r=0,90) et le nombre de pieds (r=0,96). En fin de saison, B. fusca, a
sensiblement augmente le pourcentage des noeuds endommages (r=0,86)
tandis que A. ignefusalis a reduit de facon significative la production
(r=-0,998). Pour les deux saisons, 94,8% de variation de la prodution
ont ete attribues aux poids des epis, au pourcentage des noeuds
endommages au nombre de plantes attaquees et a l'incidence des insectes
par champ. Le pourcentage de la longueur de la tige endommagee
representait 30,9% de la variance entre les poids de l'epi, tandis que
le nombre de S. calamistis par tige comptait par ailleurs pour 17,7%
tandis que 18,7% de cette variance a cause par le nombre total d'
insectes terebrants par tige. ll y a des lors lieu d'etudier les
facteurs qui affectent le choix du lieu de ponte par les insectes
femelles foreuses de tiges de mais.</abstract><pub>African Crop Science Society</pub><doi>10.4314/acsj.v5i3.27848</doi></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1021-9730 |
| ispartof | African crop science journal, 1997-12, Vol.5 (3) |
| issn | 1021-9730 2072-6589 2072-6589 |
| language | eng |
| recordid | cdi_crossref_primary_10_4314_acsj_v5i3_27848 |
| source | African Journals Online (Open Access); Bioline International; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Cob weight, Eldana saccharina, Mussidia nigrivenella, oviposition, Sesamia calamistis, stalk damage, Zea mays Poids de l'epi, Eldana saccharina, Mussidia nigrivenella, lieu de ponte, Sesamia calamistis, degets de la tige, Zea mays |
| title | Incidence and damage caused by maize stemborers on farmers' fields in south western nigeria |
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