spore Concept

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research area of

• Bandyopadhyay, Ranajit, Plant Pathologist, IITA, ICRISAT
• Hanna, Rachid, Entomologist/Country Representative, IITA, IITA
• Hodson, David, GIS and Decision Support Systems, CIMMYT, CIMMYT
• Kpindou, Douro, IITA, IITA
• Kumar, Lava, Head of Germplasm Health Unit/Virologist, IITA, ICRISAT
• Mahuku, George, Senior Plant Pathologist for Eastern, Southern and Central Afric, IITA, The Alliance of Bioversity and CIAT
• Sharma, Kalpana, Scientist, CIP, CIP
• SINGH, Pawan Kumar, Head, Pathology, CIMMYT, CIMMYT

subject area of

• Abundance and distribution of arbuscular mycorrhizal fungi species in long-term soil fertility management systems in Northern Nigeria.
• An analysis of the effects of environmental factors on conidial dispersal of Uncinula necator (grape powdery mildew) in vineyards
• An in vitro screening technique for the identification of grain mould resistance in sorghum
• Anthracnose development on pepper fruits inoculated with Colletotrichum gloeosporioides
• Application of an oil-based formulation containing spores of an entomopathogenic fungus, Metarhizium flavoviride, against grasshoppers in the Sahel
• Assessment of partial resistance to Pyricularia oryzae in six rice cultivars
• Behavior of Nuclei and Chromosomes during Ascus Development in the Mating between either Rice-strain or Weeping Lovegrass-strain and Ragi-strain of Pyricularia
• Biomass production and nutrient concentrations in spores of va mycorrhizal fungi
• CONTROL OF GRASSHOPPERS, PARTICULARLY HIEROGLYPHUS DAGANENSIS, IN NORTHERN BENIN USING METARHIZIUM FLAVOVIRIDE
• Characterisation of Pasteuria Isolated from Heterodera cajani Using Morphology, Pathology and Serology of Endospores
• Characterization of Colletotrichum graminicola populations from a sorghum hybrid CSH 9 for morphological and pathogenic variability
• Characterization of growth and conidia production of Exserohilum monoceras on different substrates.
• Comparative Reliability of Screening Parameters for Anthracnose Resistance in Water Yam (Dioscorea alata)
• Comparison of Field, Greenhouse, and Detached-Leaf Evaluations of Soybean Germplasm for Resistance to Phakopsora pachyrhizi.
• Components of resistance to Cercospora arachidicola and Cercosporidium personatum in groundnuts
• Conidial germination and appressorial formation of Colletotrichum capsici and C. gloeosporioides isolates from pepper
• Detection and characterization of fungus (Magnaporthe oryzae pathotype Triticum) causing wheat blast disease on rain-fed grown wheat (Triticum aestivum L.) in Zambia.
• Does methyl salicylate, a component of herbivore-induced plant odour, promote sporulation of the mite-pathogenic fungus Neozygites tanajoae?
• Effect of Near-Ultraviolet Irradiation on Sporulation by Pyricularia oryzae Cavara on Cultural Media
• Effect of light, temperature, and water potential on growth and sporulation of Microdochium oryzae
• Effect of sonication on teliospores of Tilletia indica.
• Effect of temperature and humidity regimes on grain mold sporulation and seed quality in sorghum (Sorghum bicolor (L.) Moench)
• Effects of humidity, leaf wetness, temperature and light on conidial production by Phaeoisariopsis personata on groundnut
• Effects of leaf surface and temperature on monocyclic processes in Podosphaera aphanis, causing powdery mildew of strawberry
• Effects of wind, relative humidity, leaf movement and colony age on dispersal of conidia of Uncinula necator , causal agent of grape powdery mildew
• Efficacy and safety of boric acid as a preventive treatment against Saprolegnia infection in Nile tilapia (Oreochromis niloticus).
• Efficacy of chemical and fluorescent protein markers in studying plant colonization by endophytic non-pathogenic Fusarium oxysporum isolates
• Emergence of a new race of leaf rust with combined virulence to Lr14a and Lr72 genes on durum wheat
• Essais sur l'utilisation d'un biopesticide à base des conidies de Metarhizium flavoviride pour le contrôle des sauteriaux au Mali
• Etat de la biodiversité des spores de la rhizosphère et les paramètres de mycorhization du mil en fonction des stades phénologiques et selon les pratiques culturales
• Field Infection of Zonocerus variegatus following application of an oil‐based formulation of Metarhizium flavoviride conidia
• Field inoculations of sorghum with sclerotia and conidia of Ramulispora sorghi formed in vivo
• Field trails conductcd on a biopesticide (Metarhizium flavoviride) for grasshopper control in Mali from 1992 to 1994
• First Record in Syria of Didymella fabae, the Teleomorph of Ascochyta fabae and Causal Organism of Faba Bean Blight.
• First Report of Mango Malformation Disease Caused by Fusarium tupiense in Senegal.
• First Report of Puccinia graminis f. sp. tritici Races with Virulence to Wheat Stem Rust Resistance Genes Sr31 and Sr24 in Eritrea.
• First Report of Smut on Imperata cylindrica Caused by Sporisorium schweinfurthianum in South Africa.
• First Report of Soybean Rust Caused by Phakopsora pachyrhizi in Ghana.
• First report of Phaeoacremonium viticola affecting grapevines in Spain
• First report of taro (Colocasia esculenta) leaf blight caused by Phytophthora colocasiae in Nigeria.
• First scientific report of Pyricularia oryzae causing gray leaf spot disease on perennial ryegrass (Lolium perenne) in France
• Genetic and molecular analysis of wheat tan spot resistance effective against Pyrenophora tritici-repentis races 2 and 5
• Genetics and mapping of resistance to spore inoculum and culture filtrate of Phaeosphaeria nodorum in spring wheat line ND 735
• Genotyping for Blast (Pyricularia oryzae) Resistance Genes in F2 Population of Supa Aromatic Rice (Oryza sativa L.).
• Herbaceous plants in the understory of a pitch canker-affected Pinus radiata plantation are endophytically infected with Fusarium circinatum
• Herbivore-induced plant volatiles trigger sporulation in entomopathogenic fungi: the case of Neozygites tanajoae infecting the cassava green mite.
• High temperature during storage favours infection potential of resting spores of Polymyxa graminis of Indian origin
• Impact of land use types and farming practices on occurrence of arbuscular mycorrhizal fungi (AMF) Taita-Taveta district in Kenya
• Improved Colonization of East African Highland Musa Tissue Culture Plants by Endophytic Fusarium oxysporum
• Improved methodology for the isolation of false smut pathogen Ustilaginoidea virens of rice
• Improvement of maize populations for resistance to downy mildew
• In vitro Evaluation of Wood Preservatives to Prevent Dispersal of Pitch Canker Pathogen, Fusarium circinatum
• Inactivation of Aspergillus flavus spores by curcumin-mediated photosensitization
• Incidence and geographical distribution of downy mildew on maize caused by Peronosclerospora sorghi in Nigeria
• Infection efficiency of Phaeoisariopsis personata and the influence of different wetness patterns on germ-tube growth of the pathogen
• Inhibition of germination of sphacelial conidia of Claviceps africana following treatment of seed–sphacelia admixtures with captan
• Interaction between Paranosema locustae and Metarhizium anisopliae var. acridum, two pathogens of the desert locust, Schistocerca gregaria under laboratory conditions.
• Interaction of bean leaf pubescence with rust urediniospore deposition and subsequent infection density
• Laboratory Assessment of Virulence of Cameroonian Isolates of Beauveria bassiana and Metarhizium anisopliae against Mirid Bugs Sahlbergella singularis Haglund (Hemiptera: Miridae)
• Laboratory assessment of the potential of Paranosema locustae to control immature stages of Schistocerca gregaria and Oedaleus senegalensis and vertical transmission of the pathogen in host populations
• Lessons from interactions within the cassava green mite fungal pathogen Neozygites tanajoae system and prospects for microbial control using Entomophthorales
• Maackiain in Cicer bijugum Rech. f. associated with resistance to Botrytis grey mould
• Maize pollen alters the reaction of cowpea to pathogens
• Metarhizium Flavoviride: recent results in the control of locusts and grasshoppers
• Microsporogenesis and pollen formation in cassava
• Modulation of spore adhesion of the hyperparasitic bacterium Pasteuria penetrans to nematode cuticle
• Natural occurrence of trichothecene-producing Fusaria isolated from India with particular reference to sorghum
• Occurrence of airborne spores of fungi causing grain mould over a sorghum crop
• Pathogenicity of Phaeoacremonium Species on Grapevines
• Phenotypic and Genotypic Characterization of Race TKTTF of Puccinia graminis f. sp. tritici that Caused a Wheat Stem Rust Epidemic in Southern Ethiopia in 2013–14
• Photosensitivity of urediniospore germination in Puccinia arachidis
• Phylogenetic analysis based on ITS sequences and conditions affecting the type of conidial germination of Bipolaris oryzae
• Plant growth, mycorrhizal association, nutrient uptake and phosphorus dynamics in a volcanic-ash soil in Colombia as affected by the establishment of Tithonia diversifolia
• Populations of spores of vesicular-arbuscular mycorrhizal fungi in undisturbed soils of secondary semideciduous moist tropical forest in Cameroon
• Production and germination of primary conidia of Neozygites floridana (Zygomycetes: Entomophthorales) under constant temperatures, humidities, and photoperiods.
• Production of conidia by Peronosclerospora sorghi on sorghum crops in Zimbabwe.
• Quantifying Verticillium dahliae in soils collected from potato fields using a competitive PCR assay
• Resistance to Karnal bunt (Tilletia indica Mitra) in synthetic hexaploid wheats derived from Triticum turgidum × T. tauschii
• Resistance to Six Races of Ascochyta rabiei in the World Germplasm Collection of Chickpea
• Rice spikelet rot disease in China – 1. Characterization of fungi associated with the disease
• Root exudates associated with the resistance of four chickpea cultivars (Cicer arietinum) to two races of Fusarium oxysporum f.sp. ciceri
• Scaling up tests on virulence of the cassava green mite fungal pathogen Neozygites tanajoae (Entomophthorales: Neozygitaceae) under controlled conditions: first observations at the population level.
• Seasonal occurrence and molecular diversity of clostridia species spores along cheesemaking streams of 5 commercial dairy plants.
• Secondary conidiation of Sphacelia sorghi on sorghum, a novel factor in the epidemiology of ergot disease
• Seed transmission of maize downy mildew (Peronosclerospora sorghi) in Nigeria
• Selection for resistance to aflatoxin formation in maize through seed inoculation
• Selective isolation of Neovossia indica from soil
• Single spore isolation and morphological characterization of local Malaysian isolates of rice blast fungus Magnoporthe grisea
• Some observations on the dose transfer of mycoinsecticide sprays to desert locusts
• Studies on the epidemiology of the tar spot disease complex of maize in Mexico
• Teliospore germination patterns in Tilletia indica
• The role of infochemicals in the interaction between cassava green mite and its fungal pathogen Neozygites tanajoae
• The survival of propagules of macrophomina phaseoli and diplodia maydis in nigerian soils
• Urediospores of rust fungi are ice nucleation active at > −10 °C and harbor ice nucleation active bacteria
• Use of Metarhizium flavoviride for control of Zonocerus variegatus: a model, linking dispersal and secondary infection from the spray residue with mortality in caged field samples
• Use of Quantitative Traits to Assess Aggressiveness of Phakopsora pachyrhizi Isolates from Nigeria and the United States.
• Using uniform design to screen media ingredients for conidia production of barnyardgrass pathogenic
• Variability in Aggressiveness of Rice Blast (Magnaporthe oryzae) Isolates Originating from Rice Leaves and Necks: A Case of Pathogen Specialization?
• Variability in susceptibility to simulated sunlight of conidia among isolates of entomopathogenic Hyphomycetes.
• Virulence Diversity of Phakopsora pachyrhizi Isolates From East Africa Compared to a Geographically Diverse Collection
• Windborne spread of ergot disease (Claviceps africana) in sorghum A-lines in Zimbabwe.