Results 31 to 40 of about 1,700 (168)

Agronomic performance of improved Cowpea varieties under natural infestation with Alectra vogelii (benth.) in the northern guinea savannah of Nigeria

open access: yesAgricultura Tropica et Subtropica, 2012
Field trials were conducted over three years at Samaru in the northern Guinea savannah ecological zone of Nigeria to evaluate the performance of 20 improved cowpea varieties under conditions of natural infestation by a parasitic weed, Alectra vogelii ...
Olufajo Olusoji Olaolu
doaj   +1 more source

In vitro host-free seed culture, callus development and organogenesis of an obligatory root-parasite Striga hermonthica (Del.) Benth: the witch-weed and medicinal plant

open access: yesInternational Journal of Plant Biology, 2011
Striga hermonthica (Del.) Benth a well-known hemi-parasitic weed, it also has been used widely in African folk medicine to remedy broad spectra of diseases. The current contribution is an attempt to establish reproducible in vitro callusing system.
Faisal Hammad Mekky Koua   +4 more
doaj   +1 more source

Transcriptome atlas of Striga germination: Implications for managing an intractable parasitic plant

open access: yesPlants, People, Planet
Societal Impact Statement Witchweeds, parasitic plants of the genus Striga, are nicknamed “cereal killers” because of their devastating destruction of Africa's most staple cereals, including maize, sorghum, millets, and upland rice.
Gilles Irafasha   +8 more
doaj   +1 more source

Essential plant nutrients impair post‐germination development of Striga in sorghum

open access: yesPlants, People, Planet
Societal Impact Statement Infestation by the parasitic weed Striga is a major cause of cereal crop production losses on smallholder farms in Africa.
Immaculate M. Mwangangi   +3 more
doaj   +1 more source

Soil health and ecosystem services: Lessons from sub-Sahara Africa (SSA) [PDF]

open access: yes, 2020
Management practices to improve soil health influence several ecosystem services including regulation of water flows, changes in soil biodiversity and greenhouse gases that are important at local, regional and global levels.
Bolo, Peter Omondi   +4 more
core   +1 more source

Opportunities for expansion of push-pull technology as an agroecological and sustainable intensification approach in Africa

open access: yesnpj Sustainable Agriculture
The push-pull technology (PPT) has often been presented as a management strategy for stemborers and witchweed. However, its value as an agronomic practice and an agroecological approach remains largely underappreciated.
Gudeta W. Sileshi   +9 more
doaj   +1 more source

Testing the orthodoxies of land degradation policy in Swaziland [PDF]

open access: yes, 2009
This paper explores Swaziland's National Action Programme (NAP) to combat desertification; the country's main strategy for implementing the United Nations Convention to Combat Desertification (UNCCD).
Stringer, L.C.
core   +1 more source

Role of Strigolactones in the Host Specificity of Broomrapes and Witchweeds

open access: yesPlant And Cell Physiology, 2023
AbstractRoot parasitic plants of the Orobanchaceae, broomrapes and witchweeds, pose a severe problem to agriculture in Europe, Asia and especially Africa. These parasites are totally dependent on their host for survival, and therefore, their germination is tightly regulated by host presence.
Sjors Huizinga, Harro J Bouwmeester
openaire   +3 more sources

Influence of Alectra vogelii inoculation and phosphorus fertilizer application on phenology, yield components and grain yield of bambara groundnut genotypes

open access: yesHeliyon
In sub-Saharan Africa, the parasitic Alectra vogelii is seriously threatening Bambara groundnuts, farmers to suffer yield losses of up to 100 %. The objective of this study was to determine the effects of phosphorus (P) application and Alectra vogelii ...
Rudo Musango   +6 more
doaj   +1 more source

Geographical distribution and aspects of the ecology of the hemiparasitic angiosperm Striga asiatica (L) Kuntze: A herbarium study [PDF]

open access: yes, 1997
Striga asiatica (Scrophulariaceae) is an obligate root hemiparasite of mainly C-4 grasses (including cereals). It is the most widespread of the 42 Striga species occurring in many semi-tropical, semi-arid regions of mainly the Old World.
Cochrane, V., Press, M.C.
core  

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