Indigenous cowpea production and protection practices in Benin

Kossou, D.K.; Gbèhounou, G.; Ahohuendo, B. C.; Bouraïma, Y.; Huis, A. van

doi:10.1017/s1742758400020178

Cited by 29 publications

(30 citation statements)

References 7 publications

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“…Seed constraints and weed competition are also documented in West Africa (Kossou et al 2001) and southern Africa (Asiwe 2007). In contrast, the constraints related to soil nutrition, reported severe for cowpea in several systems, are little mentioned in previous studies.…”

Section: Yields and Yield Gapsmentioning

confidence: 98%

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Getting the focus right: production constraints for six major food crops in Asian and African farming systems

et al. 2010

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To determine the most important production constraints and associated yield losses for six major food crops in 13 farming systems with high poverty in SubSaharan Africa, South Asia and East Asia, surveys were conducted with 672 experts representing a diversity of backgrounds and experience. Respondents reported large gaps between highest achieved crop yield on smallholder farms and average yield on farm. Yield gaps were smallest for rice (about 60% of current average smallholder farm grain yields), mid size for wheat and cassava, and larger (sometimes double current farm yields) for sorghum, cowpea and chickpea. Gaps were also smaller in the high input and yield farming systems of East Asia and largest in the marginal, drier systems, particularly in Sub-Saharan Africa. Four categories of production constraint (abiotic, biotic, management and socio-economic) were considered important contributors to yield gaps. A diversity of specific constraints was reported for the crops in the different systems. The most severe and widespread specific constraints for wheat involved the deficiency, high cost and poor management of N fertilizer, and problems associated with drought stress at grain filling, mid season drought and irrigation management. Those for rice included N fertilizer problems, soil fertility depletion, various leaf, stem and head pests and diseases, weed competition and inadequate water management. Striga and weed competition, soil resource degradation, poor soil fertility management, and drought were the most severe specific constraints for sorghum. Insect pests of pod, leaf, stem and flower and the high cost of their control dominated the constraint set for cowpea. Helicoverpa pod borer, Botrytis grey mould and control costs were the most severe for chickpea. Unsuitable varieties/poor seed, soil infertility and fertilizer constraints were also widespread with the legumes. Marketing problems and lack of finance were concerns for cassava along with weed competition, African cassava mosaic virus and poor varieties/planting materials. The findings can help to inform priority setting for international agricultural research and development activities on important food crops in major farming systems occupying areas of high poverty.

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Section: Yields and Yield Gapsmentioning

confidence: 98%

“…The biotic pest problems identified for cowpea in Africa are well known and have been reported to be severe in West Africa (Kossou et al 2001;Ryoichi et al 2006) and in East Africa (Adipala et al 2000). Seed constraints and weed competition are also documented in West Africa (Kossou et al 2001) and southern Africa (Asiwe 2007).…”

Section: Yields and Yield Gapsmentioning

confidence: 99%

Getting the focus right: production constraints for six major food crops in Asian and African farming systems

et al. 2010

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“…The larvicidal activity of methanol extract was evaluated against the Aedes(s) albopictus and C. quinquefasciatus (Nath et al 2006). The smoke from burning of wild mango wood (Mangifera spp) showed repellency and was used as a cheap personal protection measure against culicine mosquitoes (Vernède et al 1994); the aqueous leaf extract of Mangifera indica was used to control Aphis craccivora, Mylabris sp., Maruca vitrata, and Ootheca mutabilis (Kossou et al 2001).…”

Section: Introductionmentioning

confidence: 99%

Evaluation of indigenous plant extracts against larvae of Culex quinquefasciatus Say (Diptera: Culicidae)

Rahuman¹,

Bagavan²,

Kamaraj³

et al. 2008

Parasitol Res

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This study investigates the larvicidal potential of indigenous plant extracts from commonly used medicinal herbs as an environmentally safe measure to control the filarial vector, Culex quinquefasciatus Say (Diptera: Culicidae). The early fourth-instar larvae of C. quinquefasciatus, reared in the laboratory, were used for larvicidal assay with water, hot water, acetone, chloroform, and methanol leaf, stem-bark, and flower extracts of Acacia arabica Willd. Sans, Cedrus deodara Roxb, Hibiscus rosa-sinensis L., Mangifera indica L., Nerium indicum Mill., Nicotiana tabacum Linn., Pongamia pinnata (L.) Pierre, and Solanum nigrum Linn. All plant extracts showed moderate larvicidal effects after 24 h of exposure at 1,000 ppm; however, the highest larval mortality was found in stem-bark hot water, acetone, and methanol extracts of C. deodara (LC50 = 133.85, 141.60, and 95.19 ppm, LC90 = 583.14, 624.19, and 639.99 ppm) and leaf hot water, acetone, methanol, and chloroform extracts of N. tabacum (LC50 = 76.27, 163.81, 83.38, and 105.85 ppm, LC90 = 334.72, 627.38, 709.51, and 524.39 ppm) against the larvae of C. quinquefasciatus, respectively. This is an ideal ecofriendly approach for the control of lymphatic filariasis vector, C. quinquefasciatus.

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“…from African countries like Kenya, Niger, Nigeria, Togo and from parts of West Africa has unconfirmed records of being present in Central Asia and Australia (CABI, 2007). It has been reported to cause upto 100% loss within few months of storage in cowpea (Kossou et al, 2001).…”

Section: A Obtectus Was Repeatedly Intercepted Onmentioning

confidence: 99%

Exotic pulse beetles intercepted in imported legume germplasm

Gupta

Bhalla

Singh

et al. 2017

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(Syria); B. tristiculus in V. narborensis from Portugal; Callosobruchus rhodesianus in Vigna unguiculata from Nigeria and C. subinnotatus in V. subterranea from Ghana were intercepted. Many of the pulse beetles were intercepted repeatedly from the same/ different source(s) year after year. All the infested samples were salvaged using suitable disinfestation treatments. None of the intercepted beetles are yet reported from India, and are therefore, of high quarantine significance.

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Indigenous cowpea production and protection practices in Benin

Cited by 29 publications

References 7 publications

Getting the focus right: production constraints for six major food crops in Asian and African farming systems

Getting the focus right: production constraints for six major food crops in Asian and African farming systems

Evaluation of indigenous plant extracts against larvae of Culex quinquefasciatus Say (Diptera: Culicidae)

Exotic pulse beetles intercepted in imported legume germplasm

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