• Home
  • Jorge Carlos Berny
Jorge Carlos Berny

Jorge Carlos Berny
World Coffee Research

PhD University of California - Davis

About

35
Publications
12,494
Reads
How we measure 'reads'
A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. Learn more
955
Citations

Publications

Publications (35)
Article
Full-text available
Abiotic constraints, such as drought and heat driven by climate change, negatively impact the production of the common bean (Phaseolus vulgaris L.), an essential grain legume worldwide. The ability to tolerate drought and heat stress in common bean can be improved by introducing genetic variation from related species, such as tepary bean (Phaseolus...
Article
Full-text available
Plants differ widely in how soil drying affects stomatal conductance ( g s ) and leaf water potential ( ψ leaf ), and in the underlying physiological controls. Efforts to breed crops for drought resilience would benefit from a better understanding of these mechanisms and their diversity. We grew 12 diverse genotypes of common bean ( Phaseolus vulga...
Article
1. Conspecific plant density and heterospecific frequency are key drivers of herbivore damage. However, most studies have investigated their effects separately and for single (rather than multiple) focal plant species. 2. We conducted an experiment involving three tree species, namely: Cordia dodecan- dra (Boraginaceae), Manilkara zapota (Zapotacea...
Article
Full-text available
The production of the common bean (Phaseolus vulgaris L.), one of the most important sources of protein and minerals and one of the most consumed grain legumes globally, is highly affected by heat and drought constraints. In contrast, the tepary bean (Phaseolus acutifolius A. Gray), a common bean‐related species, is adapted to hot and dry climates....
Article
Full-text available
Tepary bean (Phaseolus acutifolius A. Gray) is a drought and high ambient temperature tolerant crop native to the Sonoran Desert, the hottest and driest region in the United States and Mexico. Although tepary bean is an orphan crop with little current commercial production, there was a brief period of larger scale production in the early 1900s in C...
Article
Pod shattering, which causes the explosive release of the seeds from the pod, is one of the main sources of yield losses in cowpea in arid and semi-arid areas. Reduction of shattering has therefore been a primary target for selection during the domestication and improvement of cowpea, among other species. Using a mini-core diversity panel of 368 co...
Article
Full-text available
Genetic analyses and utilization of wild genetic variation for crop improvement in common bean (Phaseolus vulgaris L.) have been hampered by yield evaluation difficulties, identification of advantageous variation, and linkage drag. The lack of adaptation to cultivation conditions and the existence of highly structured populations make association m...
Article
Full-text available
Plant species allocate resources to multiple defensive traits simultaneously, often leading to so‐called defence syndromes (i.e. suites of traits that are co-expressed across several species). While reports of ontogenetic variation in plant defences are commonplace, no study to date has tested for ontogenetic shifts in defence syndromes, and we kno...
Article
Full-text available
Plant domestication has strongly modified crop morphology and development. Nevertheless, many crops continue to display atavistic characteristics that were advantageous to their wild ancestors but are deleterious under cultivation, such as pod dehiscence (PD). Here, we provide the first comprehensive assessment of the inheritance of PD in the commo...
Article
Full-text available
We analyzed the nucleotide variability and the expression profile of DREB genes from common bean, a crop of high economic and nutritional value throughout the world but constantly affected by abiotic stresses in cultivation areas. As DREB genes have been constantly associated with abiotic stress tolerance, we systematically categorized 54 putative...
Article
Full-text available
Background Common bean is the most important staple grain legume for direct human consumption and nutrition. It complements major sources of carbohydrates, including cereals, root crop, or plantain, as a source of dietary proteins. It is also a significant source of vitamins and minerals like iron and zinc. To fully play its nutritional role, howev...
Article
Crop biodiversity is one of the major inventions of humanity through the process of domestication. It is also an essential resource for crop improvement to adapt agriculture to ever-changing conditions like global climate change and consumer preferences. Domestication and the subsequent evolution under cultivation have profoundly shaped the genetic...
Chapter
Full-text available
The wild relatives of the ve domesticated species of bean (Phaseolus L.) are widely distributed across the tropics and subtropics of the New World, with taxa extending from the Canadian border to Argentina, and on the Caribbean Islands, Bermuda, and the Galapagos Islands. Mesoamerica holds the largest con- centration of species, particularly in the...
Preprint
Full-text available
Significance Plant domestication has radically modified crop morphology and development. Nevertheless, many crops continue to display some atavistic characteristics that were advantageous to their wild ancestors, such as pod dehiscence (PD). Domesticated common bean ( Phaseolus vulgaris ), a nutritional staple for millions of people globally, shows...
Article
Full-text available
Background: Wild crop relatives have been potentially subjected to stresses on an evolutionary time scale prior to domestication. Among these stresses, drought is one of the main factors limiting crop productivity and its impact is likely to increase under current scenarios of global climate change. We sought to determine to what extent wild commo...
Article
Systematic comparisons of species interactions in urban vs. rural environments can improve our understanding of shifts in ecological processes due to urbanization. However, such studies are relatively uncommon and the mechanisms driving urbanization effects on species interactions (e.g. between plants and insect herbivores) remain elusive. Here we...
Article
Full-text available
Widespread adoption of new varieties can be valuable, especially where improved agricultural production technologies are hard to access. However, as farmers adopt new varieties, in situ population structure and genetic diversity of their seed holdings can change drastically. Consequences of adoption are still poorly understood due to a lack of crop...
Article
Full-text available
While plant intra-specific variation in the stoichiometry of nutrients and carbon is well documented, clines for such traits have been less studied, despite their potential to reveal the mechanisms underlying such variation. Here we analyze latitudinal variation in the concentration of leaf nitrogen (N), phosphorus (P), carbon (C) and their ratios...
Article
Full-text available
The wild progenitor of common-bean has an exceptionally large distribution from northern Mexico to northwestern Argentina, unusual among crop wild progenitors. This research sought to document major events of range expansion that led to this distribution and associated environmental changes. Through the use of genotyping-by-sequencing (~20,000 SNPs...
Article
Full-text available
Phaseolus lunatus is the second economically most important species of the genus Phaseolus. It carries out N fixation through symbiosis with rhizobia. However, it is unclear whether P. lunatus can nodulate with native rhizobia from soils where this legume is not native or was not cultivated previously. Thus, this study assessed the ability of 14 ge...
Article
Research on elevational gradients in species interactions holds that herbivore pressure increases towards warmer and more stable climates found at lower elevations. However, the generality of this expectation has been challenged by recent studies reporting no evidence of expected trends or even positive associations between elevation and herbivory,...
Article
A long-standing paradigm in ecology holds that herbivore pressure and thus plant defences increase towards lower latitudes. However, recent work has challenged this prediction where studies have found no relationship or opposite trends where herbivory or plant defences increase at higher latitudes. Here we tested for latitudinal variation in herbiv...
Article
A limited transpiration rate under high vapor pressure deficit (VPD) could be used to conserve soil water for later use under drought conditions. Many crops show this behavior either as limited transpiration or decreases in stomatal conductance. However, little work has been done in Phaseolus. Four experiments evaluated stomatal closure across a ra...
Article
Premise of the study: It is generally thought that herbivore pressure is higher at lower elevations where climate is warmer and less seasonal, and that this has led to higher levels of plant defense investment at low elevations. However, the generality of this expectation has been called into question by recent studies. Methods: We tested for al...
Article
Full-text available
Next-generation sequencing technologies have increased markedly the throughput of genetic studies, allowing the identification of several thousands of SNPs within a single experiment. Even though sequencing cost is rapidly decreasing, the price for whole-genome re-sequencing of a large number of individuals is still costly, especially in plants wit...
Article
There is growing interest on the effects of plant genotypic diversity on higher trophic levels. The present study investigated whether genotypic diversity in Capsicum chinense peppers influenced attack by leaf‐mining fly larvae ( Lyriomyza trifolii ) and fruit‐eating weevils ( Anthonomus eugenii ), as well as parasitoid attack associated with weevi...
Article
The magnitude of plant intra‐specific variation for indirect defence and the underlying plant traits influencing predators remain relatively unstudied, particularly in cultivated plants. We tested whether differences in flower number, pollen production, and leaf trichome density among 17 pepper ( Capsicum annuum Linnaeus) varieties influenced the a...
Conference Paper
Full-text available
The mechanisms underlying drought tolerance in common bean have been analyzed on the genomic, trancriptomic and physiological bases. cDNA libraries have shown differentially expressed genes under water deficit across diverse functional categories (Hernández et al., 2008; Recchia et al., 2013), highlighting among others the DREB gene family which ha...
Article
Full-text available
AbstrAct The evaluation of crop genetic variation for herbivore resistance is a relevant tool that can inform plant breeding strategies for resistance and biological control. The objective of this study was to provide a field-based assessment of pest resistance in five lines of habenero pepper, Capsicum chinense Jacq. Weekly surveys were conducted...

Network

Cited By