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plant pathogenic fungi

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Variation in the Fusarium section Liseola: pathogenicity and genetic studies of isolates of Fusarium moniliforme Sheldon from different hosts in Ghana

Fusarium moniliforme, the imperfect stage of the ascomycete Gibberella fujikuroi, is an economically important pathogen with […]

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Variability of Colletotrichum kahawae in Relation to Other Colletotrichum Species from Tropical Perennial Crops and the Development of Diagnostic Techniques

Twenty-six isolates of Colletotrichum kahawae, the causal agent of coffee berry disease, from coffee in Africa, […]

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Ultrastructure of the Infection of Sorghum bicolor by Colletotrichum sublineolum

Ultrastructural studies of the infection of susceptible and resistant cultivars of Sorghum bicolor by Colletotrichum sublineolum […]

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The use of the random amplified polymorphic DNA techniques to identify mating groups in the Fusarium section Liseola

The random amplified polymorphic DNA (RAPD) technique was used to determine the mating groups of several […]

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The use of species-specific DNA probes for the identification of Mycosphaerella fijiensis and M. musicola, the causal agents of Sigatoka disease of banana

The polymerase chain reaction (PCR)-based technique of random amplification of polymorphic DNA (RAPD) was used to […]

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The relationship between antifungal diene levels and fungal inhibition during quiescent infection of unripe avocado fruits by Colletotrichum gloeosporioides

Quantitative changes in the antifungal compound, 1-acetoxy-2-hydroxy-4-oxo-heneicosa-12.15-diene, in freshly harvested avocado fruits during the initial stages […]

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The influence of exposure to ultraviolet radiation in simulated sunlight on ascospores causing Black Sigatoka disease of banana and plantain

The influence of ultraviolet (UV) radiation in simulated natural sunlight on the viability of ascospores of […]

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The effect of reduced phytoalexin production on the resistance of upland cotton to verticillium and fusarium wilts

The effect on disease development of inhibiting the production of the sesquiterpenoid phytoalexin hemigossypol (HG) in […]

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The effect of hot water treatment on the levels of antifungal diene and quiescence of Colletotrichum gloeosporioides in avocado fruits

Quantitative changes in the antifungal compound 1-acetoxy-2-hydroxy-4-Oxo-heneicosa-12, 15-diene in harvested avocado fruits, and the development of […]

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The effect of climatic factors on Colletotrichum gloeosporioides, causal agent of mango anthracnose in the Philippines

The epidemiology of the anthracnose pathogen of mango, Colletotrichum gloeosporioides, was studied over two growing seasons […]

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The biology and control of Colletotrichum species on tropical fruit crops

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Systematic Numbering of Vegetative Compatibility Groups in the Plant Pathogenic Fungus Fusarium oxysporum

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Susceptibility to ergot in Zimbabwe of sorghums that remained uninfected in their native climate in Ethiopia and Rwanda

Forty-four local Ethiopian and Rwandan sorghums (Sorghum bicolor) were observed to remain free of ergot, or […]

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Diseases caused by Ganoderma boninense are a threat to sustainable palm oil production in South East Asia

Diseases caused by Ganoderma boninense are considered the greatest threat to sustainable palm oil production in […]

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Selection of a genetic variant within Colletotrichum gloeosporioides isolates pathogenic on mango by passaging through wounded tomato fruits

A genetic variant virulent on tomato was selected by passaging field isolates of Colletotrichum gloeosporioides, obtained […]

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Root exudates associated with resistance in four varieties of chickpeas (Cicer arietinum) to two races of Fusarium wilt. (Fusarium oxysporum f.sp ciceri).

The germination of race 1 spores of Fusarium oxysporum f. sp. ciceri was significantly inhibited by […]

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Rice sheath blight complex caused by Rhizoctonia species: Pathogen epidemiology and management strategies. Final Technical Report, Project R7778

This project aimed to establish the epidemiology of the Rhizoctonia species involved in the rice sheath […]

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Ribosomal and mitochondrial DNA polymorphisms in Colletotrichum gloeosporioides isolated from tropical fruits

DNA polymorphisms in 38 isolates of Colletotrichum gloeosporioides infecting avocado, banana, mango and papaya were examined […]

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Recurrent Selection Mapping in Two Maize Populations Suggests that Some Common Loci are Associated with Northern Leaf Blight Selection.

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Pre-and post-harvest control of mango anthracnose in the Philippines

Two field trials were conducted in the Philippines in successive years to compare the effectiveness of […]

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Bean root rot: getting the upper hand

Beans are one of Africa’s key crops. The common bean (Phaseolus vulgaris) is the second most […]

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Phytoalexin accumulation in the roots of chickpea (Cicer arietinum L.) seedlings associated with resistance to fusarium wilt (Fusarium oxysporum f.sp.ciceri)

Four cultivars of chickpea which differed in their reaction to Fusarium oxysporum f.sp.ciceri, the pathogen causing […]

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Phylogenetic analysis based on ITS sequences and conditions affecting the type of conidial germination of Bipolaris oryzae

One taxonomic characteristic of Bipolaris species is the bipolar germination of conidia, but conidia of Bipolaris […]

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Phenolic compounds and resistance of yam (Dioscorea alata) to anthracnose caused by Colletotrichum gloeosporoides

Leaves of yam (Dioscorea alata) cv. White Lisbon are highly susceptible to infection by the anthracnose […]

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Nucleotide sequence of the rDNA spacer 1 enables identification of isolates of Colletotrichum as C. acutatum

Nucleotide sequence of the rDNA internally transcribed spacer (ITS) 1 of twelve isolates of Colletotrichum, originally […]

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Monitoring in banana pest management

Monitoring in banana pest management is an important activity for commercial and/or smallholder banana production. It […]

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Modulation of natural resistance of avocado fruits to Colletotrichum gloeosporioides by carbon dioxide treatment

The level of the antifungal compound, 1-acetoxy-2-hydroxy-4-oxo-heneicosa-12,15-diene, in the peel of avocado fruits decreased during ripening. […]

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Infection process and host specificity of a Colletotrichum species causing anthracnose disease of cowpea, Vigna unguiculata

The morphology, pathogenicity and host specificity of a strain of C. lindemuthianum (I57), causing anthracnose on […]

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Induction of the antifungal diene in unripe avocado fruits: effect of inoculation with Colletotrichum gloeosporioides

The concentration of the preformed antifungal compound 1-acetoxy-2-hydroxy-4-oxo-heneicosa-12,15-diene in unharvested avocado fruit was almost doubled for […]

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Identification and characterisation of key screening sites for blast and scald resistance in West Africa – Final Technical Report

In response to the demand evidenced by a request from the West Africa Rice Development Association […]

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Ganoderma boninense basidiospores in oil palm plantations: evaluation of their possible role in stem rots of Elaeis guineensis

Basidiospores are implicated in the distribution and genetic diversity of Ganoderma boninense, cause of basal stem rot […]

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Fusarium wilt of banana in Uganda with special emphasis on wilt-like symptoms observed on East African highland cooking cultivars (Musa spp., AAA)

Surveys were undertaken at 24 diagnostic sites in Uganda to determine the distribution and incidence of […]

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Fungal contamination and selected mycotoxins in pre- and post-harvest maize in Honduras

Sixty nine samples of maize were collected from pre-harvest standing crops and on-farm storage facilities from […]

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First report of Pseudocercospora angolensis causing leaf and fruit spot of Citrus in Sierra Leone

In 2006, citrus fruit and leaves affected by dark brown lesions were noticed in orchards around […]

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First report in the Americas of sorghum ergot disease, caused by a pathogen diagnosed as claviceps africana

A widespread and economically important epidemic of sugary disease in irrigated production of F1, hybrid seed […]

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First confirmed report of sugarcane common rust (Puccinia melanocephala) in Ethiopia

In March 2007, researchers at the Ethiopian Sugarcane Research Services Station observed an unrecorded disease in […]

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First confirmed report of citrus black spot caused by Guignardia citricarpa on sweet oranges (Citrus sinensis) in Uganda

In November 2006, orange fruits showing black spot symptoms were brought to the rural plant clinic […]

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Effects of antagonistic microorganisms on the post-harvest development of Colletotrichum gloeosporioides on mango

Potential microbial antagonists of Colletotrichum gloeosporioides were isolated from blossom, leaves and fruit of mango and […]

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Distribution of sigatoka leaf spots in Uganda as determined by species-specific polymerase chain reaction (PCR)

Black sigatoka (black leaf streak) caused by the fungus Mycosphaerella fijiensis, and yellow sigatoka caused by […]

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Detection and differentiation of isolates of Colletotrichum gloeosporioides using PCR

An oligonucleotide primer (CgInt), synthesised from the variable internally transcribed spacer (ITS) 1 region of ribosomal […]

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Comparison of disease progress curves for yam anthracnose (Colletotrichum gloeosporioides)

The incidence and severity of foliar anthracnose, caused by Colletotrichum gloeosporioides, were recorded for seven fields […]

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Comparison of disease progress curves for yam anthracnose (Colletotrichum gloeosporioides)

The incidence and severity of foliar anthracnose, caused by Colletotrichum gloeosporioides, were recorded for seven fields […]

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Cercosporidium sequoiae isolated from Cupressus lusitanica in Saint Lucia

In July 2005, a new disease was found on Cupressus lusitanica in St. Lucia, West Indies. […]

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Bean root rot disease management in Uganda

Project R8478 sought to underpin promotion of sustainable control of bean root rots through resistant varieties […]

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Alternative techniques for the application of sulphur dust to cashew trees for the control of powdery mildew caused by the fungus Oidium anacardii in Tanzania

Sulphur dusts are widely used in Tanzania to control powdery mildew on cashew trees, caused by […]

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Adaptation of automated microbiology identification system (AMBIS) to determine fungal relationships using DNA polymorphisms

The beta scanner and pattern matching software integrated in the automated microbiology identification system (AMBIS) were […]

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A PCR-based method to distinguish fungi of the rice sheath-blight complex, Rhizoctonia solani, R. oryzae and R. oryzae-sativae

Identification of Rhizoctonia solani, R. oryzae and R. oryzae-sativae, components of the rice sheath disease complex, […]

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A cytological study of compatible and incompatible interactions between Sorghum bicolor and Colletotrichum sublineolum

Cytological and physiological studies were conducted on the infection process of Colletotrichum sublineolum P. Henn. Kabat […]

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Maize cob rot in Kenya and its association with stalk borer damage

Cob rots are a major cause of crop loss in areas such as western Kenya that […]

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