Winston Elibox

Winston Elibox
University of the West Indies, St. Augustine | UWI · Department of Life Sciences

Ph.D. Plant Science

About

35
Publications
6,237
Reads
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197
Citations
Additional affiliations
August 2017 - August 2025
University of the West Indies, St. Augustine
Position
  • Professor (Associate)
January 2012 - present
University of the West Indies, St. Augustine
Position
  • Lecturer, Genetics
August 2007 - December 2011
West Indies Central Sugar Cane Breeding Station
Position
  • Geneticist
Education
September 2000 - December 2005
The University of the West Indies at Mona
Field of study
  • Plant Genetics
September 1996 - July 1999
The University of the West Indies at Mona
Field of study
  • Mathematics and Botany

Publications

Publications (35)
Article
Resistance to Acidovorax anthurii, the causal agent of bacterial leaf spot disease (BLS) of anthurium was investigated using leaf-disc vacuum-infiltration inoculation towards developing a rapid non-destructive method of screening for resistance to BLS in segregating populations. The effect of age of the plant, developmental stage of the leaf used,...
Article
Resistance of anthurium cultivars to infection by Acidovorax anthurii, the causal agent of bacterial leaf spot disease was investigated using seven inoculation methods, four inoculum concentrations and two different plant ages towards developing a screening method for identification of disease resistance. Injection of 1 mL of 1.5 × 109 CFU mL−1 thr...
Article
Full-text available
Sixty-eight pepper (Capsicum chinense Jacq.) accessions were evaluated for yield (measured as total number of fruits per plant and total fruit weight per plant) and 15 other traits under open-field conditions in two trials, one conducted in the dry (Trial-1) and the other in wet season (Trial-2) of 2014. Each trial was set in a randomized complete...
Article
Full-text available
The impact of light quality and quantity on vase life was investigated using Anthurium (Anthurium andraeanum Hort.). Cultivars ‘Spirit’ and ‘Honduras’, were chosen based on their contrasting vase life in previous studies, and designated as ‘Vshort’ and ‘Vlong’ respectively. Both cultivars were kept under three light regimes at 12 h day length: fluo...
Article
Full-text available
Fifteen morphophysiological fresh fruit characteristics were evaluated in purelines derived from 24 accessions of Capsicum chinense (Jacq.) to determine the association of these attributes with shelf life. The accessions were planted under field conditions (Elibox et al., 2015) in a randomized complete block design with three replications; and repl...
Article
Full-text available
Whole genome sequencing of a copper resistant (CuR) black rot strain of Xanthomonas campestris pv. campestris (Xcc) isolated from a broccoli plant in Trinidad revealed a unique operon for copper resistance. The cop genes of strain Xcc-BrA1 were determined to be present on a 160 to 180 kb plasmid shown to be non-conjugative with other xanthomonads....
Article
Six anthurium cultivars, grown widely in Trinidad were evaluated for field resistance to Acidovorax anthurii, the causal agent of bacterial leaf spot disease (BLS), in a disease nursery to determine whether resistance/tolerance to BLS can be reliably assessed in field studies. The experiment was arranged in a randomized complete block design with f...
Article
Thirty four pepper accessions (Capsicum chinense Jacq.) from the Caribbean were evaluated under controlled environmental conditions viz. darkness, 21.8oC, and 90% relative humidity to determine the genetic variation and morphophysiological changes associated with loss of shelf life. The experiment was arranged in a randomized complete block design...
Article
Full-text available
Bacterial leaf spot disease (BLS) of anthurium (Anthurium andraeanum Linden ex Andr�e), caused by Acidovorax anthurii has contributed to the decline of the anthurium industry in Trinidad along with bacterial blight disease caused by Xanthomonas axonopodis pv. dieffenbachiae. This study investigated the status of BLS 12 years after its first discove...
Article
Twelve cut-flower morphological and six physiological quantitative parameters along with vaselife were evaluated for 9 cultivars of Anthurium andraeanum Hort., with the objective of identifying the interrelationships between morphological and physiological parameters affecting vaselife in anthurium. There were significant (P<0.05) cultivar differen...
Conference Paper
Anthurium is one of the most prominent flowers in the tropical cut flower industry. Its appeal is in part due to the exceptionally long vase-life seen in some cultivars. Here the link between water relations and vase-life was investigated for three anthurium cultivars: Spirit, Success, and Honduras. Blooms were kept in vases in controlled conditi...
Article
Full-text available
In June 2011, uredinial leaf lesions typical of rust disease were observed on the two main commercial sugarcane (a complex Saccharum spp. L. hybrid) cultivars CR87339 (30% of acreage), CR83323 (17% of acreage) as well as cultivars BR9806, BR9816, and BT88133 at La Romana in the Dominican Republic. Morphological analysis of the lesions using both li...
Article
Anthurium andraeanum Hort. is an important tropical ornamental crop regarded as second only to orchids in its commercial importance. The genetic basis for productivity in anthurium was studied using parent–offspring regression analysis. Sixteen parental genotypes (4 years old) and 14 biparental progeny families (60 plants each, 4 years old) derived...
Article
Eight field characteristics (stalk length, stalk diameter, number of internodes, internode length, number of green leaves, leaf length, leaf width and number of tillers) were evaluated at maturity in 12 sugarcane varieties (Saccharum spp. hybrids) of which four were high fibre (HF), five were high sucrose (HS) and three were commercial (C) types in...
Article
Full-text available
The associations between eight yield parameters (stalk length, stalk diameter, number of internodes, internode length, number of green leaves, leaf length, leaf width and number of tillers) and four quality parameters (pol in juice, moisture, field Brix and purity) as well as the interrelationships between yield and six quality parameters (includin...
Conference Paper
Twelve cut-flower morphological and six physiological quantitative parameters along with vaselife were evaluated for 9 cultivars of Anthurium andraeanum Hort., with the objective of identifying the interrelationships between morphological and physiological parameters affecting vaselife in anthurium. There were significant (P<0.05) cultivar differen...
Article
An analysis of juice Brix and fibre was performed at five, four and three months before the start of harvest (mid- February) and at maturity under humid tropical field conditions of Barbados in two experiments. In Trial-1, 12 sugarcane varieties were evaluated in the plant cane and first ratoon crops from October 2008 to February 2011 and in Trial-...
Article
Full-text available
Twelve sugarcane (Saccharum spp. hybrids) clones grown in Barbados were assessed for pol in cane during the months of January (start of the dry season), February (traditional start of the sugarcane crop harvest) and at maturity in plant cane and first ratoon to determine the feasibility of starting the crop harvest in January. The experiment was ar...
Article
Sixteen morphophysiological parameters of horticultural importance were investigated in 82 anthurium accessions grown in the Caribbean. The spathe colors included red, pink, white, green, orange, purple, coral, and brown and obake types with red, pink, and white spathe colors accounting for 63.4% of the accessions. There was wider variation in spad...
Article
Sixteen morphophysiological parameters of horticultural importance were investigated in 82 anthurium accessions grown in the Caribbean. The spathe colors included red, pink, white, green, orange, purple, coral, and brown and obake types with red, pink, and white spathe colors accounting for 63.4% of the accessions. There was wider variation in spad...
Article
Fifty-six native isolates collected in 12 farming districts of Trinidad and seven reference strains of Xanthomonas campestris pv. campestris were evaluated for resistance to copper in buffered (pH 7.0) and unbuffered (pH 5.6) nutrient agar media. All isolates and reference strains were pathogenic and elicited typical black rot symptoms on a suscept...
Article
Earliness of sucrose accumulation based on pol in juice, time of and duration of physiological maturity were assessed in 12 sugar cane clones from among the commercial (C), high quality (HQ) and high fibre (HF) types present in the germplasm collection at the West Indies Central Sugar Cane Breeding Station in Barbados beginning at six months of gro...
Article
The inheritance of fibre in sugar cane (Saccharum spp. hybrids) was investigated in 39 biparental crosses involving 22 parental genotypes. Genetic analysis was based on North Carolina mating design II analysis, combining ability analysis and parent–offspring regression. The results showed a role for both additive and non-additive effects in the inh...
Conference Paper
Full-text available
Quality characteristics (juice BRIX, field BRIX, pol in juice, fibre, moisture and purity) of twelve sugar cane genotypes (five high quality (HQ), four high fibre (HF), and three commercial (C)) were evaluated from six months (April) after planting (possessed at least five internodes) to harvesting (March) in plant cane and first ratoon. The experi...
Article
Full-text available
The inheritance of resistance to the foliar phase of bacterial blight disease, caused by Xanthomonas axonopodis pv. dieffenbachiae, in Anthurium andraeanum was studied using parent-offspring regression analysis. In all, 14 parental cultivars, each represented by 3 plants per replicate, and 12 biparental progenies derived from the parents, each repr...
Article
Vase-life, average daily water uptake rate and abaxial stomata density were evaluated in 17 anthurium (Anthurium andraeanum Hort.) cultivars over two trials. There were significant cultivar differences for vase-life (14–49 days), 5-day average water uptake rate and abaxial stomata density, in both trials. A progressively stronger correlation coeffi...
Article
The inheritance of spathe color in anthurium (Anthurium andraeanum Hort.) was studied in 77 crosses involving 59 parental genotypes. The progeny segregation into ‘‘colored : white’’ did not fit the genetic model proposed by Kamemoto et al. (1988), but fit a duplicate recessive epistasis model involving genes O and R, in which either O or R or both...
Article
The vase life of 26 anthurium (Anthurium andraeanum Hort.) cultivars was evaluated in three separate trials. In the first trial, the influence of 12 morphophysiological characteristics of the cut flower on vase life was investigated. Of these, only spathe color and abaxial stomatal density were able to accurately predict vase life. A vase life pred...
Article
Resistance to foliar infection by Xanthomonas axonopodis pv. dieffenbachiae, the causal agent of the bacterial blight disease (blight) of anthurium (Anthurium andraeanum), was investigated in four experiments. Initially, an inoculation method based on vacuum infiltration (15psi) of leaf discs (2.67cm diam) was tested at two inoculum densities (108...
Article
The genetic basis of systemic resistance to bacterial blight disease (blight) of anthurium (Anthurium andraeanum) caused by Xanthomonas axonopodis pv. dieffenbachiae was investigated in progenies of 53 crosses involving 31 parent cultivars using segregation analysis. Inoculation of parents and progenies was achieved by injecting the petiole base of...
Conference Paper
Flower colour, in addition to shape and vase life, is one of the key variables influencing consumer choice and consequently market price of Anthurium spathes. The limited colour range from orange to red in Anthurium andraeanum Linden ex André has been augmented through interspecific hybridization to include white, pink, green and bicolour obake typ...
Article
The inheritance of resistance to systemic infection by bacterial blight disease (blight) caused by Xanthomonas axonopodis pv. dieffenbachiae in anthurium (Anthurium andraeanum Hort.) was investigated in 83 biparental crosses involving 39 anthurium cultivars, using a green fluorescent protein-based screening method. Genetic analysis was based on Nor...
Article
Full-text available
Resistance of cultivars of Anthurium andraeanum to systemic infection by Xanthomonas axonopodis pv. dieffenbachiae, the causal organism of bacterial blight disease of anthurium, was investigated using a bioengineered bacterial strain containing p519ngfp plasmid. Successful infection establishment in anthurium was found to be cultivar and inoculum d...

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