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João Romero do Amaral Santos de Carvalho Rocha
Universidade Federal de Viçosa
BioenergyGenetic variabilityBotanyAgronomyBiology
18Publications
5H-index
56Citations
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Publications 22
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#1Pérsio Sandir D’Oliveira (Empresa Brasileira de Pesquisa Agropecuária)
#2Letícia Sayuri Suzuki (Empresa Brasileira de Pesquisa Agropecuária)
Last. João Romero do Amaral Santos de Carvalho Rocha (UFV: Universidade Federal de Viçosa)H-Index: 5
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The SPAD-502 (Soil Plant Analysis Development) chlorophyll meter is a simple diagnostic tool that instantly measures the chlorophyll content of plant leaves without damaging the leaf blade. This study aimed to evaluate the efficacy of the SPAD index as a tool for discriminating elephant grass acessions from different morphological groups. One hundred genotypes of the elephant grass Pennisetum purpureum from the Active Germplasm Bank at Embrapa Dairy Cattle, Minas Gerais, Brazil were evaluated. F...
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#1João Romero do Amaral Santos de Carvalho Rocha (UFV: Universidade Federal de Viçosa)H-Index: 5
#2Tiago de Souza Marçal (UFV: Universidade Federal de Viçosa)H-Index: 1
Last. Juarez Campolina Machado (Empresa Brasileira de Pesquisa Agropecuária)H-Index: 5
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Elephant grass [Cenchrus purpureus (Schumach.) Morrone] is used for bioenergy and animal feed. In order to identify candidate genes that could be exploited for marker-assisted selection in elephant grass, this study aimed to investigate changes in predictive accuracy using genomic relationship information and simple sequence repeats for eight traits (height, green biomass, dry biomass, acid and neutral detergent fiber, lignin content, biomass digestibility, and dry matter concentration) linked t...
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#1Guilherme Ribeiro (Universidade Federal do Pampa)H-Index: 4
Last. Moacil Alves de Souza (UFV: Universidade Federal de Viçosa)H-Index: 10
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Heat is one of the major abiotic stresses that affect wheat yield and quality in many parts of the world. To overcome this problem, the development of heat tolerant cultivars has been shown to be one of the main targets of breeding programs, especially for the conditions of Central Brazil. The present study was developed with objective of identifying promising populations for tolerance to heat stress, in order to obtain lines adapted to the conditions of Central Brazil. The experiment was carrie...
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#1Rodrigo Silva Alves (UFV: Universidade Federal de Viçosa)H-Index: 2
#2Paulo Eduardo Teodoro (UFV: Universidade Federal de Viçosa)H-Index: 8
Last. Leonardo Lopes Bhering (UFV: Universidade Federal de Viçosa)H-Index: 14
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Abstract Despite being a species with great potential for biodiesel production, little research has been done on the breeding of Jatropha curcas, mainly with respect to its yield across harvests. Thus, the present study was carried out to analyze longitudinal data via multiple-trait Best Linear Unbiased Prediction (BLUP) for the genetic improvement of Jatropha curcas. The experiment was set up as a randomized block design with two blocks and five plants per plot. The seed yield of 730 individual...
3 CitationsSource
#2Valterley Soares Rocha (UFV: Universidade Federal de Viçosa)H-Index: 9
Last. Olinto Liparini Pereira (UFV: Universidade Federal de Viçosa)H-Index: 22
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#1João Romero do Amaral Santos de Carvalho Rocha (UFV: Universidade Federal de Viçosa)H-Index: 5
#2Igor Gonçalves de Paula (UFV: Universidade Federal de Viçosa)
Last. Moacil Alves de Souza (UFV: Universidade Federal de Viçosa)H-Index: 10
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The wheat blast disease has been considered one of the main biotic stress threats to food security in the world. The study aimed to evaluate the resistance of wheat cultivars to Pyricularia oryzae pathotype triticum isolates at the vegetative and reproductive stage and to perform screening of wheat lines. Experiments were carried out on plants at the vegetative and reproductive stage, with artificial inoculation of P. oryzae pathotype triticum isolates origin from different producing regions. Re...
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1 CitationsSource
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