Sweet potato virus diseases (SPVD) are an important biotic constraint to sweet potato production in parts […]
Fusarium moniliforme, the imperfect stage of the ascomycete Gibberella fujikuroi, is an economically important pathogen with […]
Bean common mosaic virus (BCMV) isolates were collected from crops of Phaseolus vulgaris (bean) and from […]
Twenty-six isolates of Colletotrichum kahawae, the causal agent of coffee berry disease, from coffee in Africa, […]
Polymerase chain reaction amplification of DNA from 112 Pseudomonas solanacearum strains with the tRNA consensus primers […]
There are two Sigatoka leaf spot diseases of banana and plantain, yellow Sigatoka and black Sigatoka. […]
Gray leaf spot [GLS, causal agent Cercospora zeae-maydis (Tehon and E. Y. Daniels)] is an important […]
This is one of 280 summaries describing key outputs from the projects run by DFID’s 10-year […]
Ultrastructural studies of the infection of susceptible and resistant cultivars of Sorghum bicolor by Colletotrichum sublineolum […]
Insect pests and plant diseases reduce cassava yields substantially, posing a threat to food security throughout […]
The random amplified polymorphic DNA (RAPD) technique was used to determine the mating groups of several […]
The polymerase chain reaction (PCR)-based technique of random amplification of polymorphic DNA (RAPD) was used to […]
Sweet potato originated from Central and/or South America. The International Potato Center (CIP) in Lima, Peru, […]
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 […]
Bean common mosaic necrosis virus (BCMNV) was isolated from Centrosema pubescens, Crotalaria incana, Lablab purpureus, Phaseolus […]
The influence of ultraviolet (UV) radiation in simulated natural sunlight on the viability of ascospores of […]
Fifty publications on the mapping of maize disease resistance loci were synthesized. These papers reported the […]
The effects of cassava mosaic virus disease (CMD) on yield in fully and partly infected stands […]
The effect on disease development of inhibiting the production of the sesquiterpenoid phytoalexin hemigossypol (HG) in […]
Quantitative changes in the antifungal compound 1-acetoxy-2-hydroxy-4-Oxo-heneicosa-12, 15-diene in harvested avocado fruits, and the development of […]
The epidemiology of the anthracnose pathogen of mango, Colletotrichum gloeosporioides, was studied over two growing seasons […]
Whitefly-transmitted geminiviruses are the most important constraint to the production of common bean and vegetable crops […]
A survey was conducted in southern Tanzania to determine the relationship between above?ground symptoms of cassava […]
Tethered flight studies, carried out in southern Uganda with the leafhoppers Cicadulina storeyi China and C. […]
This media briefing provides details of the 12 grants awarded to projects under the SARID programme. […]
Forty-four local Ethiopian and Rwandan sorghums (Sorghum bicolor) were observed to remain free of ergot, or […]
A survey was carried out of African cassava mosaic geminivirus and cassava brown streak virus diseases […]
In 2007, a new disease was observed on cassava in fields in the north, south and […]
This case study describes the role of the agronomist in identifying the pests and diseases affecting […]
Two pilot plant health clinics in Nepal were held in December 2008 in Lamjung District, one […]
In order to maximize polymorphism in the mapping populations for mapping loci for Fusarium wilt (FW) […]
Results of work on resistance to cassava mosaic disease in Africa are summarized.
An experiment was performed to investigate the spread of infection in maize streak virus epidemics. Four […]
The spread of cassava mosaic disease (CMD) and populations of the whitefly vector (Bemisia tabaci) were […]
One thousand and forty-eight Phaseolus bean accessions were evaluated for resistance to six races of Pseudomonas […]
Diseases caused by Ganoderma boninense are considered the greatest threat to sustainable palm oil production in […]
A simulation model of the dynamics of rice tungro virus disease (RTVD) was developed to assess […]
This series of two-page brief highlights some of the new technologies and processes available, in order […]
A panel of seven murine monoclonal antibodies (mAbs) was raised against particles of okra leaf curl […]
A genetic variant virulent on tomato was selected by passaging field isolates of Colletotrichum gloeosporioides, obtained […]
The selection response of a complex maize population improved primarily for quantitative disease resistance to northern […]
This market, close to Huancayo, is busy,even when it’s raining. Germ??n, Juan, Antonio and Rebecca are […]
The germination of race 1 spores of Fusarium oxysporum f. sp. ciceri was significantly inhibited by […]
Comparisons are drawn between the decision-making processes used in the management of two major pests of […]
This project aimed to establish the epidemiology of the Rhizoctonia species involved in the rice sheath […]
An understanding of farmers’ perceptions of pests and their existing pest control methods can make an […]
Germin-like protein (GLP) markers were associated with quantitative trait loci (QTL) for resistance to the rice […]
DNA polymorphisms in 38 isolates of Colletotrichum gloeosporioides infecting avocado, banana, mango and papaya were examined […]
The assessment of biological aspects or potential constraints related to the adoption of Resource Conserving Technology […]
Particles resembling those of geminiviruses were found by immunosorbent electron microscopy in extracts of plants infected […]
Physical mapping and map-based cloning strategies are routinely used for identification of candidate genes for major […]
Since 2002, the Global Plant Clinic (GPC), Surrey, UK, has strengthened plant health advisory services for […]
The purpose of this project was to contribute to poverty reduction by improving the level of […]
The primary purpose of the project was to collate current knowledge on the major pests and […]
Both polyclonal and monoclonal antibodies have been developed to Pseudomonas solanacearum, the causative agent of bacterial […]
Smallholder growers in the Philippines and Uganda can now recognise virus infections in their banana plants. […]
In May 2004, following reports from local farmers of a devastating new banana disease, three authors […]
In September 2005, visits were made to five sites within the Gisenyi province in northern Rwanda […]
Several species of the genus Cicadulina are vectors of maize streak virus (MSV) (Rose, 1978). This […]
The intermated B73 x Mo17 (IBM) population, an advanced intercross recombinant inbred line population derived from […]
Two field trials were conducted in the Philippines in successive years to compare the effectiveness of […]
Sweet potato is an important staple crop in East Africa, where it provides vital food for […]
Beans are one of Africa’s key crops. The common bean (Phaseolus vulgaris) is the second most […]
Forty-one percent of the world’s sorghum area is located in Africa, yet sorghum yields in this […]
This video, in English and Bengali with English subtitles, promotes the work of the Global Plant […]
Smallholder farmers need information on plant diseases. Ten plant health clinics (Postas para Plantas) evolved in […]
This report describes the setting up of plant clinics in each of the 13 administrative districts […]
Plant clinics get introduced in Nepal and taking up its momentum with technical guidance and help […]
Four cultivars of chickpea which differed in their reaction to Fusarium oxysporum f.sp.ciceri, the pathogen causing […]
One taxonomic characteristic of Bipolaris species is the bipolar germination of conidia, but conidia of Bipolaris […]
Cocoa is the main commodity crop of Ghana and is financially important for the livelihood of […]
Leaves of yam (Dioscorea alata) cv. White Lisbon are highly susceptible to infection by the anthracnose […]
Perspectives on Pests II contains profiles of research funded by DFID’s Crop Protection Programme between 2000 […]
This manual covers 5 pest and 5 disease constraints affecting coffee. These were identified and prioritized […]
Pseudomonas solanacearum-specific DNA sequences were identified by 16S rRNA sequencing and genomic subtraction experiments. Oligonucleotide primers […]
A whitefly-transmissible stock isolate of Indian tomato leaf curl geminivirus (ITmLCV) was cultured in graft-inoculated tomato […]
Grey Leaf Spot (GLS) is a disease of maize caused primarily by the fungus, Cercospora zeae-maydis. […]
Uganda is the world’s second largest producer of sweetpotato after China. About 43 million children in […]
In May 2006, severe virus-like symptoms were reported on tomatoes by the plant health clinic in […]
Nucleotide sequence of the rDNA internally transcribed spacer (ITS) 1 of twelve isolates of Colletotrichum, originally […]
In early 2005, the Nicaraguan Foundation for Technological Development in Agriculture, Livestock and Forestry (FUNICA) began […]
Plants are attacked by pathogens representing diverse taxonomic groups, such that genes providing multiple disease resistance […]
This is a series of one-page information leaflets. It focuses on pathogenic common to beans in […]
Monitoring in banana pest management is an important activity for commercial and/or smallholder banana production. It […]
A partial sequence of 1114 nucleotides of a virus from cassava brown streak diseased (CBSD) material […]
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. […]
Reinfection of healthy replanted cocoa (Theobroma cacao) by swollen shoot disease, caused by a mealybug-transmitted virus, […]
Demand for milk and meat is increasing in South Asia, and this increases the demand for […]
CIALs (Committees For Local Agricultural Research) are community level organisations for helping agricultural scientists and farmers […]
The d1 and d2 dwarfing genes and the P purple foliage color gene were placed on […]
The primary emphasis of this study is to identify and characterize QTLs for resistance to northern […]
The current project was developed in response to a call from DFID’s Crop Protection Programme in […]
The morphology, pathogenicity and host specificity of a strain of C. lindemuthianum (I57), causing anthracnose on […]
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 […]
The agronomic importance of developing durably resistant cultivars has led to substantial research in the field […]
In Tanzania, banana xanthomonas wilt was first reported in the Kagera region of north west Tanzania […]
The genetic architecture underlying resistance in maize to southern leaf blight (SLB) caused by Cochliobolus heterostrophus […]
A recombinant inbred line population derived from a cross between the maize lines NC300 (resistant) and […]
Cowpea bacterial blight (CoBB), caused by Xanthomonas axonopodis pv. vignicola (Xav), is a worldwide major disease […]
An RT-PCR based detection method for Cassava brown streak virus (CBSV)-infected cassava has been developed. The […]
Background: Worldwide, diseases are important reducers of peanut (Arachis hypogaea) yield. Sources of resistance against many […]
Isolates of Pseudomonas syringae pv. phaseolicola from Africa and other bean growing areas were categorized into […]
Much research has been devoted to understanding the biology of plant-pathogen interactions. The extensive genetic analysis […]
Working with the foliar diseases Gray Leaf Spot (GLS) and Southern Leaf Blight (SLB), the author […]
In response to the demand evidenced by a request from the West Africa Rice Development Association […]
Tiraque is a small town in Bolivia, about two hours from Cochabamba on the road to […]
Between 2000 and 2009, nine plant clinics in three agro-ecological areas of Bolivia (Andes, lowlands and […]
This Annex gives protocols related to the extraction and detection of phytoplasmas in coconut palms.
Farmers all have a story to tell to the plant doctors of Bangladesh. Plant doctors have […]
Quantitative resistance to plant pathogens, controlled by multiple loci of small effect, is important for food […]
The relationships among fifteen isolates of whitefly-transmitted geminiviruses (WTGs) from North, Central and South America and […]
Bean golden yellow mosaic virus (BGYMV) is a whitefly-transmitted geminivirus of the Begomovirus family that causes important yield losses […]
Cassava (Manihot esculenta Crantz) is crucial for both food security and poverty alleviation in Sub-Saharan Africa […]
Isolates of Ganoderma spp. associated with basal stem rot of oil palm were obtained by sampling […]
Basidiospores are implicated in the distribution and genetic diversity of Ganoderma boninense, cause of basal stem rot […]
Surveys were undertaken at 24 diagnostic sites in Uganda to determine the distribution and incidence of […]
Sixty nine samples of maize were collected from pre-harvest standing crops and on-farm storage facilities from […]
The common bean (Phaseolus vulgaris L.) makes an important contribution to food security, providing as much […]
Pawpaw is the major cash crop in North Kivu, Democratic Republic of Congo Republic, where it […]
In 2006, citrus fruit and leaves affected by dark brown lesions were noticed in orchards around […]
Surveys of organoponics (organic and hydroponic systems) in Matanzas, Las Tunas and Stgo de Cuba provinces […]
In February 2006, pawpaw leaves with various symptoms, including yellow dots along the veins, yellow mosaic […]
Bean (Phaseolus vulgaris) is one of the most important vegetables in Sri Lanka. In 1999, a […]
During surveys conducted in October 2010, plants of Sauropus androgynus growing in small plots in Poring […]
During a survey in 2003 at San Isidro, Santa Cruz, Bolivia, peach trees showed symptoms similar […]
In October 2008, coconut plantations in the villages of Tobenam, Pupun and Dugumor, located in the […]
During a survey in 2003 in Limon Pampa, Rio Chico, Bolivia, lucerne (Medicago sativa) plants showing […]
Recently, symptoms of leaf size reduction and yellowing, proliferation, and shortening of internodes were observed in […]
Phytoplasmas of the 16SrII and 16SrXII groups were first reported to cause mosaic, yellow crinkle and […]
This is the first record of phytoplasmas associated with die-back diseases of papaya and citrus in […]
In a survey conducted at Al-Hassa, Saudi Arabia, during 2003-05, leaf samples were collected from dates […]
A widespread and economically important epidemic of sugary disease in irrigated production of F1, hybrid seed […]
In March 2007, researchers at the Ethiopian Sugarcane Research Services Station observed an unrecorded disease in […]
In November 2006, orange fruits showing black spot symptoms were brought to the rural plant clinic […]
The Purpose of the project was to develop improved methods for the management of priority pests […]
A survey of 174 tomato farmers in five districts of Karnataka State, South India, was conducted […]
The common bean (Phaseolus vulgaris L.) is a major source of protein and calories in the […]
Fugwe ya Mse ni ugonjwa unaosababishwa na ukungu aina ya Sphacelotheca sorghi na hushambulia sana mtama. […]
Protein production encoded by the avirulence gene avrPphB from Pseudomonas syringae pv. phaseolicola was examined. Incorporation […]
Budrot (BR) and premature nutfall (PNF) caused by Phytophthora spp. are the major plant disease problems […]
Potential microbial antagonists of Colletotrichum gloeosporioides were isolated from blossom, leaves and fruit of mango and […]
Marker-assisted breeding could have a major impact on relieving productivity constraints that cannot as easily or […]
Black sigatoka (black leaf streak) caused by the fungus Mycosphaerella fijiensis, and yellow sigatoka caused by […]
Crop residues from groundnut and sorghum constitute important fodder resources for dairy production and fodder trading […]
An oligonucleotide primer (CgInt), synthesised from the variable internally transcribed spacer (ITS) 1 region of ribosomal […]
Coffee is vital to the economy of East and Central Africa, providing a major source of […]
This project was directly concerned with the development and evaluation of an operator-safe fungicide and application […]
Plant genomes contain numerous disease resistance genes (R genes) that play roles in defense against pathogens. […]
Geminiviruses associated with yellow or golden mosaic diseases of legume crops in two regions of India […]
The incidence and severity of foliar anthracnose, caused by Colletotrichum gloeosporioides, were recorded for seven fields […]
Cassava is grown throughout sub-Saharan Africa and increasingly is the main starch staple, particularly in West […]
Breeding for resistance to biotic and abiotic stresses of global importance in common bean is reviewed […]
This project should have provided scientific support to coconut rehabilitation programmes by refining, validating and supporting […]
In July 2005, a new disease was found on Cupressus lusitanica in St. Lucia, West Indies. […]
Cassava (Manihot esculenta) is an important subsistence food crop in Africa where it is affected by […]
Although Uganda is the world’s second-largest producer of bananas, productivity has declined markedly over the last […]
This paper presents the first report of Candidatus phytoplasma (16SrI group) on broad bean and sweet […]
Previous research under Project R5310 developed a biological control agent (BCA) against bacterial wilt disease of […]
Whitefly-transmitted diseases of crops such as cassava, sweet potato, beans, and vegetables are a serious problem […]
Project R8478 sought to underpin promotion of sustainable control of bean root rots through resistant varieties […]
During a survey in 2005 of weeds from the Alamar organoponic in Havana, Cuba, typical phytoplasma-symptoms […]
Ascochyta blight (AB), caused by Ascochyta rabiei (Pass.) Labr. (anamorph), is the most damaging disease of […]
Strategies for effective diagnostic systems appropriate to plant pathology in less developed countries are presented. The […]
Symptomless sweet potato (Ipomoea batatas) plants obtained from farmers’ fields in each of the main sweet […]
This paper reports the main conclusions of a series of experiments concluded at Adiopodoume in the […]
This project was conducted in Malawi to obtain baseline data on the main pests and diseases […]
1. An epidemiological model of African cassava mosaic virus disease (ACMD) was developed in which the […]
Sulphur dusts are widely used in Tanzania to control powdery mildew on cashew trees, caused by […]
1. The dynamics of a virus disease in a perennial plant population are modelled. The population […]
The beta scanner and pattern matching software integrated in the automated microbiology identification system (AMBIS) were […]
Napier or elephant grass (Pennisetum purpureum ) is a perennial grass grown widely in East Africa as […]
Three graft transmission methods (chip, cleft, and petiole grafting) were evaluated for their efficiency in transmitting […]
Since 2003, community-based plant health clinics have been established in several developing countries as a new, […]
The agent of sterility mosaic, a disease that is a major constraint on pigeonpea (Cajanus cajan) […]
Identification of Rhizoctonia solani, R. oryzae and R. oryzae-sativae, components of the rice sheath disease complex, […]
A potyvirus causing severe mosaic symptoms was isolated from Senna occidentalis (syn. Cassia occidentalis) in the […]
A vein-yellowing disease of Ageratum conyzoides in Singapore was shown to be caused by a geminivirus, […]
Plant disease resistance governed by quantitative trait loci (QTL) is predicted to be effective against a […]
Hebe (Veronica scutellata) is a herbaceous ornamental perennial widely grown throughout the UK and elsewhere. In […]
Cytological and physiological studies were conducted on the infection process of Colletotrichum sublineolum P. Henn. Kabat […]
This book contains 48 fact sheets (in Spanish) written during 4, five-day courses held in October […]
Cob rots are a major cause of crop loss in areas such as western Kenya that […]
The AAS (Agricultural Advisory Society) surveyed farmer knowledge of plant health problems on behalf of the […]
The objective of Project R7942 was to develop a management strategy for the priority pests and […]
This paper examines the impacts of climate change on cassava production in Africa, and questions whether […]
A subtraction hybridization technique was employed to make a library enriched for Pseudomonas solanacearum-specific sequences. One […]