José Jaime Vasconcelos Cavalcanti

• PhD
• Researcher of biotechnology and genetic improvement of cotton of the semiarid regions at Brazilian Agricultural Research Corporation (EMBRAPA)

The objective of this work was to select a cotton line tolerant to water stress, based on yield and fiber quality characteristics. A total of nine cotton genotypes were evaluated (six breeding lines and three commercial cultivars) in two field experiments conducted in Quixeramobim - CE without water supplementation in 2018 and 2019, respectively. T...

Runner peanuts are known for their high pod yields, but are late to flowering and pod maturation, and the optimal combination of these traits with pod yield is widely desired for peanut improvement. Selection indexes are useful tools for crop breeding. In this study, seven selection indexes combined with economic weights were used in a peanut popul...

Two multivariate methods were adopted to classify salt-tolerant cotton genotypes based on their growth and physiological traits. The genotypes were cultivated in a greenhouse and subjected to 45 days of irrigation with saline water from the V4 phase onwards. Irrigation was performed with saline water with electrical conductivity (ECw) of 6.0 dS m-1...

Cotton (Gossypium hirsutum L.) crop areas in the Northeast region of Brazil present high edaphoclimatic variability, which contributes to a strong genotype versus environment interaction (G × E). This situation requires the use of adaptability and stability methodologies to study G × E interaction before the selection and recommendation of cultivar...

The objective of this study was to estimate the general combining ability (GCA) and specific combining ability (SCA) of cotton genotypes subjected to water stress, based on fiber quality traits. Irrigated cotton plants were grown in the dry season in the Northeast region of Brazil and subjected to 23 days without irrigation at the beginning of the...

Genotypic values and selection gains were estimated in peanut lines derived from backcrossing with synthetic amphidiploid (A. batizocoi x A. duranensis)4x and a commercial cultivar, based on agronomical traits. Thirteen BC1F3 lines were grown in the field and submitted to 21 d of water suppression. Two earliness and drought tolerant cultivars (BR 1...

Naturally-colored cotton fiber has received attention from breeding programs in the semiarid region of northeastern Brazil due to an increased interest in its fibers. Therefore, this study aimed to select genotypes of colored cotton fiber for agronomic and technological fiber characteristics for the Brazilian semi-arid conditions. The experiment wa...

Upland cotton fiber is one of the most used natural fibers in the production of textile materials worldwide. For this reason, the selection of genotypes that meet the industry’s requirements is one of the main goals of cotton breeding programs. This study aimed to estimate the phenotypic and genotypic correlations among fiber traits and identify th...

This study aimed to select cotton genotypes adapted to semi-arid conditions grown with supplementary irrigation. Two experiments were carried out between March and July 2016 in Serra Talhada- Pernambuco and Apodi-Rio Grande do Norte, Brazil. Eighteen elite genotypes bred by Embrapa Cotton and two controls (BRS 286 and BRS 336) were evaluated under...

Objetivando avalizar as características de fibra do diferentes cultivares de algodão realizou-se uma pesquisa Campo Experimental da Fazenda Escola da Faculdade de Tecnologia do Instituto Centro de Ensino Tecnológico, Sertão Central, no município de Quixeramobim, Ceará, cujas coordenadas geográficas Latitude (S) 05°11'57’’S, Longitude (W) 39°17'34’’...

Citation: Braz LCC, Fernandes PD, Barbosa DD, Dutra WF, Silva CRC, Lima LM, Cavalcanti JJV, Farias FJC, Santos RC. 2019. Expression of aquaporin subtypes (GhPIP1;1, GhTIP2;1 and GhSIP1;3) in cotton (Gossypium hirsutum) submitted to salt stress. AoB PLANTS 11: plz072; Abstract Salinization leads to several worldwide damages in agricultural regions,...

A precocidade é uma característica importante para os programas de melhoramento do algodoeiro desenvolvidos para regiões do semiárido. A seleção de materiais precoces associados a características de produção e qualidade de fibra tem sido um dos objetivos de tais programas. Cultivares precoces possui uma menor perda por doenças e pragas, aumentando...

Os programas de melhoramento genético do algodoeiro no Brasil e no Mundo buscam objetivos comuns como melhorar a produtividade e as características tecnológicas da fibra. Para se obter tais materiais superiores é necessário que o material selecionado possua um conjunto de caracteres favoráveis, que permitam a seleção e a recomendação deste a indúst...

The Agave genus is composed of about 200 species, but the cultivation of sisal for fiber production in Brazil is restricted to two species: Agave sisalana and Agave fourcroydes, both have several accessions with wide variability. The collection of Agave of Embrapa has 37 accessions maintained in situ and periodically evaluated agronomical traits. M...

Information about combining ability is important in determining breeding strategies. The objective of this study was to estimate the general (GCA) and specific (SCA) combining abilities among twenty cotton hybrid combinations submitted to water stress, based on agronomic traits. The trails were carried out in semiarid environment (Barbalha, CE), du...

Final cotton quality is of great importance, and it depends on intrinsic and extrinsic fiber characteristics. The objective of this study was to estimate general (GCA) and specific (SCA) combining abilities for technological fiber traits among six upland cotton genotypes and their fifteen hybrid combinations, as well as to determine the effective g...

O objetivo deste trabalho foi estimar os parâmetros genéticos de caracteres agronômicos, provenientes de um cruzamento dialélico entre seis genitores de algodoeiro herbáceo. O experimento foi realizado em 2015, foram utilizados seis genótipos de algodoeiro (FM 993, CNPA 04-2080, PSC 355, TAM B 139-17, IAC 26 e TAMCOT – CAMD-E) e suas quinze combina...

This study aimed to estimate the general-(GCA) and specific-combining ability (SCA) and obtain information on the genetic control of agronomic traits among six upland cotton genotypes and their hybrid combinations. In 2015, six cotton genotypes (FM 993, CNPA 04-2080, PSC 355, TAM B 139-17, IAC 26, and TAMCOT-CAMD-E), and fifteen hybrid combinations...

Introdução O amendoim (Arachis hipogaea L.) é uma importante oleaginosa produzida em várias partes do mundo, devido à larga adaptação ambiental aliada ao alto valor seus grãos, tanto para o mercado alimentício como para o oleoquímico. Em nível mundial, a produção estimada de amendoim é de 41,09 milhões de toneladas, o que coloca no posto da quarta...

The management of colored cotton is an agricultural activity widely adopted by farmers located at Brazilian semiarid region. The fiber colors currently available are still limited to green and shades of brown, however, there is possibility to broaden the variability for this trait by using accessions from Gossypium Brazilian bank in breeding progra...

Runner cultivars are widely demanded by peanut farmers because of their high oil and grain productions. As those are late cycles, the management is limited in environments with water restriction. For improvement of runner genotypes to these environments is necessary to identify genotypes adapted and the knowledge of genetic divergence is quite rele...

Knowledge of genetic variability is of fundamental importance in the identification of superior genotypes when starting a breeding program for crops in general. The aim was to evaluate genetic variability in 38 genotypes of early-cycle, erect cowpea using RAPD and ISSR markers. The material came from the Germplasm Bank of the Federal University of...

Germplasm collections are the main raw material for breeding programs. Peanut is an important oilseed that serves to oil and food markets. The identification of early-mature genotypes and earliness adds benefits to crop production as it minimizes the costs of management and the losses of pod production due to occurrence of dry periods. In this pape...

A seleção de genótipos de cajueiro em progênies segregantes obtidas via hibridações artificiais representa em uma oportunidade de associação de genes favoráveis, herdados de genitores conhecidos. Adicionalmente, conhecer a dinâmica dos principais caracteres de interesse pode auxiliar na definição de estratégias eficientes para a obtenção de ganhos...

This chapter deals with important information to be considered in cashew genetic improvement, such as: plant structure, varietal types, selection methods, clone recommendation, etc.

This chapter deals with aspects of cashew genetic improvement, such as: botanical classification, origin, cytogetics, plant structure, varietal types, floral biology, improvement methods, clone recommendation, etc.

O crescimento e desenvolvimento das plantas são afetados pelo ambiente em que elas se encontram. Este trabalho teve como objetivo avaliar o desenvolvimento inicial de progênies de cajueiro anão precoce ao longo do primeiro ano de plantio, em condições de sequeiro, no Estado do Tocantins. O trabalho foi conduzido na área experimental do Centro Agrot...

The genome wide selection (GWS) was proposed as a way to increase efficiency and accelerate the genetic improvement, emphasizing the simultaneous prediction of the genetic effects of a large number of DNA genetic markers scattered throughout the genome of an organism, in order to capture the effects of all loci and explain the genetic variation of...

This chapter deals with cashew biotechnological aspects that can help in your genetic improvement program, such as: the use of biotechnology, genetic mapping, QTLs of economically important traits, broad genomic selection, in addition to general information on the crop, origin, botany, cytogenetics, varietal types and mode of reproduction.

The identification of quantitative trait loci (QTL) and marker-assisted selection with a view to breeding programs have aroused great interest, including for cashew improvement. This study identified QTL for yield-related traits: nut weight, male and hermaphrodite flowers. The traits were evaluated in 71 F1 genotypes of the cross CCP 1001 x CP 96....

The aim to this study was to evaluate the dwarf cashew hybrid population (clone CCP 76 (susceptible) x clone BRS 226 (resistant)) on the genetic resistance to cashew gummosis. The experiment was carried out in greenhouse with 66 plants and CCP 76 and BRS 226 in DIC scheme with 5 repetitions. Plants with 1.5 years old were inoculated with the fungus...

O cupuaçuzeiro, espécie nativa da região Amazônica, encontra-se em processo de domesticação, apresentando ampla variabilidade genética e condições favoráveis para o estabelecimento de estratégias de melhoramento e conservação. O objetivo foi avaliar geneticamente 36 progênies de meios-irmãos de cupuaçu oriundos de seleção massal estratificada em ár...

p>The cupuaçuzeiro ( Theobroma grandiflorum ), species native from the Amazon region, has been domesticated presenting a broad genetic variability, and thus favorable conditions for establishing of strategies to breeding and genetic conservation. The aim of this work was to evaluate 36 half-sib progenies of Theobroma grandiflorum obtained from a st...

The experiment was held with nineteen progenies of dwarf cashew (Anacardium occidentale L.) were tested from the clone and genotypes of the genetic improvement program of Embrapa Tropical Agroindustry. The randomized block design was used, with 19 treatments, three replications and 8 plants per plot, spaced 5 x 6 m, between plants and rows, respect...

The identification of quantitative trait loci (QTL) and marker-assisted selection have aroused great interest in breeding programs aiming at fruit quality. The objective of this study was to detect QTL related to the quality of the cashew apple. The physicochemical characteristics oligomeric phenolics, total soluble solids, total titrable acidity a...

Most breeding programs of perennial crops have great limitation on land availability for experimental plots. The purpose of this work is to introduce a new method here called "Intensive Early Selection" (IES), to be used in the cashew breeding with the aim of increasing the genetic gain per area and time. It is a simple method that uses a density o...

The expansion of early dwarf cashew (EDC) crop in Brazil has promoted a reduced genetic diversity of cashew genotypes used to both as scion and root-stock. This may contribute to enhance crop vulnerability to some biological harm such as the infection by the gummosis fungus agent, Lasiodiplodia theobromae, the most important disease of this plant i...

The identification of loci controlling quantitative traits (QTL) and marker-assisted selection have attracted great interest in breeding programs for fruit quality. This study aimed to identify QTLs related to the quality of cashew apple. Physical analysis were carried out in cashew fruits of 66 F1 plants from the cross of CCP 1001 x CP 96. Seven t...

The identification of loci controlling quantitative traits (QTL) and marker-assisted selection have attractedgreat interest in breeding programs for fruit quality. This study aimed to identify QTLs related to the quality of cashew apple.Physical analysis were carried out in cashew fruits of 66 F1 plants from the cross of CCP 1001 x CP 96. Seven tra...

The objective of the present work was to characterize melon plant accessions collected in the Brazilian Northeast. They were appraised 42 accessions and four you cultivate commercial, in the years of 2006 and 2007, in twoexperiments in randomized blocks with two replications. 24 traits were used, being 1 of the seed, 11 of fruits, 7 inflorescência,...

This chapter deals with aspects related to the cashew genetic improvement program, such as: origin, botany, cytogenetics, varietal types, floral biology, mode of reproduction and commercial clones.

!--[if gte mso 9]> Normal 0 21 false false false MicrosoftInternetExplorer4 This work aimed to study the interaction between genotypes and environments, using the BLUP/REML procedure for evaluation of precocious cashew clones. The purpose of this work was to identify genotypes that simultaneously aggregate high productivity and genotypic adaptabili...

The cashew tree (Anacardium occidentale L.), which first originated from Brazil, is now found throughout the tropical world and in some subtropical areas with favourable climatic conditions: rainfall not so heavy and a dry period between rainy seasons. Its economic importance lies in the commercial value of the kernel extracted from the fruit, one...

BRS Jacaju is a common cashew clone developed by the Brazilian Agricultural Research Corporation Embrapa, sector Tropical Agro-industry, in partnership with the Companhia Industrial de Óleos do Nordeste (CIONE). The clone is recommended for rainfed cultivation along the coastline of the Northeastern Region or similar environmental conditions, for b...

BRS Dão is a cashew clone developed by the Brazilian Agricultural Research Corporation Embrapa, sector Tropical Agro-industry, in partnership with the Companhia Industrial de Óleos do Nordeste (CIONE). It was selected from a plant derived from the cross between the dwarf clone CCP 1001 and the common genotype CP 12. It is recommended for cultivatio...

BRS Jacaju is a common cashew clone developed by the Brazilian Agricultural Research Corporation Embrapa, sector Tropical Agro-industry, in partnership with the Companhia Industrial de Óleos do Nordeste (CIONE). The clone is recommended for rainfed cultivation along the coastline of the Northeastern Region or similar environmental conditions, for b...

The semi-arid region makes over half of Brazilian northeast area and is characterized by much unpredicted rainy levels, few economic options to its population. The cashew nut crop is one of the main economic and social activities in the State of Piauí which attains the highest proportion of land suitable for this crop in Brazil. Therefore, with the...

The semi-arid region makes over half of Brazilian northeast area and is characterized by much unpredicted rainy levels, few economic options to its population. The cashew nut crop is one of the main economic and social activities in the State of Piauí which attains the highest proportion of land suitable for this crop in Brazil. Therefore, with the...

BRS Dão is a cashew clone developed by the Brazilian Agricultural Research Corporation Embrapa, sectorTropical Agro-industry, in partnership with the Companhia Industrial de Óleos do Nordeste (CIONE). It was selected from aplant derived from the cross between the dwarf clone CCP 1001 and the common genotype CP 12. It is recommended forcultivation w...

Knowledge about genetic parameters and trait control is fundamental for the success of any breeding program. This study aimed to estimate genetic parameters in an interpopulation of cashew using the REML/BLUP methods for vegetative growth, yield and nut quality traits. Results showed that plant height, canopy diameter, kernel weight and nut weight...

Com o objetivo de selecionar clones de cajueiro comum e avaliar a eficiência da metodologia do índice da soma de classificação no melhoramento da cultura foi instalado, em 1999, um experimento em área de produtor, no município de Beberibe, CE, no delineamento de blocos ao acaso com 40 clones, três repetições e cinco plantas por parcela, no espaçame...

Knowledge about genetic parameters and trait control is fundamental for the success of any breeding program.This study aimed to estimate genetic parameters in an interpopulation of cashew using the REML/BLUP methods for vegetativegrowth, yield and nut quality traits. Results showed that plant height, canopy diameter, kernel weight and nut weight ar...

Cashew nut is one of the most important cash crops in north-eastern Brazil where it grown mainly in coastal areas. However, cashew growing in semi-arid regions is expanding as a result of social, agronomic and yield quality potential. Environmental conditions in semi-arid zones are highly favourable for severe outbreaks of cashew gummosis, caused b...

The most popular retrotransposon-based molecular marker system in use at the present time is the sequence-specific amplification polymorphism (SSAP) system . This system exploits the insertional polymorphism of long terminal repeat (LTR) retrotransposons around the genome. Because the LTR sequence is used to design primers for this method, its succ...

The most popular retrotransposon-based molecular marker system in use at the present time is the sequence-specific amplification polymorphism (SSAP) system. This system exploits the insertional polymor-phism of long terminal repeat (LTR) retrotransposons around the genome. Because the LTR sequence is used to design primers for this method, its succ...

The attainment of new genotypes adapted to the climate conditions and soil of each environment contributes in a decisive way to the success of the cashew agribusiness in Brazil. This work aimed to select new dwarf cashew clones for the conditions of Aracati County, Ceará State. The experimental phase has been conducted in a grower area using 15 clo...

The objective of this work was to evaluate the heterosis in dwarf cashew (Anacardium occidentale L.). The experiment had six parent clones (CCP 06, CCP 09, CCP 76, CCP 1001, C1P3, and P399E) and 18 hybrid plants. A randomized complete block experimental design with two replications and five plants per plot was used. The average heterosis was 12%, 1...

O consumo de pedúnculo de caju "in natura" vem experimentando incremento no Brasil após o cultivo dos novos clones de cajueiro-anão-precoce lançados nos anos oitenta. Apesar desses avanços, o consumo ainda é reduzido, uma vez que não ultrapassa 1% das cerca de 1,5 milhão de toneladas anuais produzidas no Nordeste. Este baixo consumo deve-se a algun...

This chapter deals with aspects related to the cashew genetic improvement program, such as: origin, botany, cytogenetics, varietal types, floral biology, mode of reproduction and commercial clones.

This chapter deals with social and economic, botanical and ecological aspects related to the cashew tree, as well as its origin and geographical distribution.

RESUMO – Com o objetivo de estimar e interpretar geneticamente a porção de variabilidade genética existente em populações de plantas juvenis de acerola obtidas de sementes, originadas de populações submetidas a processo de seleção, foi instalado um experimento com três tipos de populações, em blocos ao acaso, com 45 progênies, três repetições e núm...

Com o objetivo de estimar e interpretar geneticamente a porção de variabilidade genética existente em populações de plantas juvenis de acerola obtidas de sementes, originadas de populações submetidas a processo de seleção, foi instalado um experimento com três tipos de populações, em blocos ao acaso, com 45 progênies, três repetições e número variá...

Aim: In this study, flow cytometry was evaluated for the determination of the minimal inhibitory concentrations (MICs) of nine antibacterial agents (enrofloxacin, ciprofloxacin, oxytetracycline, chloramphenicol, tylosin, lincomycin, gentamycin, spectinomycin and streptomycin) against M. hyopneumoniae. Methods and Results: Flow cytometry was able to...

The main problem to Brazilian cashew growers is the orchard low productivity, presently below 220 kg ha(-1) year(-1) of nuts. For this reason, obtaining new selections is the main research goal. In this paper, the results of the evaluation of thirty rain-fed dwarf cashew clones (including four controls) carried out from April/1990 to February/1997...

O principal problema da cajucultura no Brasil é a baixa produtividade dos pomares, atualmente menos de 220 kg ha-1,de castanha, razão pela qual a prioridade é a obtenção de novas cultivares. Neste trabalho são apresentados os resultados da avaliação de 30 clones de cajueiro (incluindo quatro testemunhas), em regime de sequeiro, efetuada entre abril...

The objectives of this work were to obtain information related to the components of means of cashew tree (Anacardium occidentale L.) populations, through partial diallel analysis, and verify the potential per se of two distinct groups of parents, one of them made up by clones of dwarf cashew tree (CCP06, CCP76, CCP09 e CCP1001) and the other one by...

Os objetivos deste trabalho foram obter informações dos componentes de médias de populações de cajueiro (Anacardium occidentale L.), por meio de análise dialélica parcial, e verificar o potencial per se de dois grupos distintos de parentais: um, constituído por clones comerciais de cajueiro-anão-precoce (CCP06, CCP76, CCP09 e CCP1001), e o outro, p...

This work was carried out to estimate the repeatability coefficient, to compare the efficiency of methodologies used in the estimation process, as well as to determine the number of evaluations for selecting dwarf cashew (Anacardium occidentale L.) clones. The methodologies used to estimate the coefficient of repeatability were: analysis of varianc...

Os objetivos deste trabalho foram estimar coeficientes de repetibilidade (r), comparar a eficiência das metodologias utilizadas no processo de estimação, e determinar o número de avaliações necessárias à seleção clonal de cajueiro-anão (Anacardium occidentale L.) precoce. As metodologias aplicadas para estimação do coeficiente de repetibilidade con...

This chapter deals with aspects related to the cashew genetic improvement program, such as: origin, botany, cytogenetics, varietal types, floral biology, mode of reproduction and commercial clones.

This chapter deals with aspects related to the cashew germplasm bank, such as: collection, training strategies, characterization, documentation and contributions to this crop.

The introduction of dwarf cashew clones has changed the occurrence of anthracnose, black mold and angular leaf spot, the major leaf diseases of cashews in Brazil. This work aimed to determine the variability among a population of 30 dwarf clones with regard to their reaction to these diseases and to select resistant clones. High genetic variability...

The use of seeds for the setting of cashew (Anacardium occidentale L.) orchard leads to uneven agronomic and commercial plant features such as plant vigor, yield, nut weight, and color, size and quality of the fruit. Aiming to estimate the inbreeding depression rate in cashew plants, data of vegetative characters and yield traits of 12, 18 and 29 m...

RESUMO – Esse trabalho foi conduzido com o objeti-vo de avaliar a heterose no cajueiro (Anacardium occi-dentale L.) anão precoce. O experimento foi composto por seis clones parentais (CCP 06, CCP 09, CCP 76, CCP 1001, C1P3 e P399E) e 18 combinações híbridas. Utilizou-se delineamento de blocos casualizados, com duas repetições e cinco plantas por pa...

Resumo O cajueiro apresenta grande importância econômica em estados do nordeste brasileiro. O uso da biotecnologia pode ser importante, mas, até o momento, poucas são as informações a esse respeito neste gênero. Este trabalho visa desenvolver marcadores microssatélites para A. occidentale a partir de bibliotecas genômicas enriquecidas. Após a extra...

Dissertação (Mestrado)-- Universidade Federal de Lavras.