Search Results - "Amaral Junior, A T"

Selection index based on the relative importance of traits and possibilities in breeding popcorn by Vieira, R A, Rocha, R, Scapim, C A, Amaral Júnior, A T, Vivas, M

“…One of the major difficulties faced by popcorn breeders is the negative correlation between popping expansion (PE) and grain yield (GY). It is necessary to…”
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Genetic control and combining ability of agronomic attributes and northern leaf blight-related attributes in popcorn by Santos, J S, Amaral Júnior, A T, Vivas, M, Mafra, G S, Pena, G F, Silva, F H L, Guimarães, A G

“…The present study was conducted to investigate the genetic control and to estimate the general and specific combining abilities of popcorn for agronomic…”
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Biometric analysis of arabica coffee grown in low potassium nutrient solution under greenhouse conditions by Moura, W M, Soares, Y J B, Amaral Júnior, A T, Gravina, G A, Barili, L D, Vieira, H D

“…Genetic parameters and associations between morpho-agronomic traits and nutritional efficiencies of arabica coffee cultivars were estimated to identify…”
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Stability of annual biomass energy production of elephant grass (Pennisetum purpureum Schum.) genotypes in the Northern region of the Rio de Janeiro State, Brazil by Araújo, M S B, Daher, R F, Menezes, B R S, Gravina, G A, Silva, V B, Amaral Júnior, A T, Rodrigues, E V, Almeida, B O, Ponciano, N J

“…The objectives of this study were to estimate the stability of dry biomass production of elephant grass genotypes under an annual harvest regime, in…”
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Prediction of genetic gains by selection indices using mixed models in elephant grass for energy purposes by Silva, V B, Daher, R F, Araújo, M S B, Souza, Y P, Cassaro, S, Menezes, B R S, Gravina, L M, Novo, A A C, Tardin, F D, Júnior, A T Amaral

“…Genetically improved cultivars of elephant grass need to be adapted to different ecosystems with a faster growth speed and lower seasonality of biomass…”
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Multivariate approach in popcorn genotypes using the Ward-MLM strategy: morpho-agronomic analysis and incidence of Fusarium spp by Kurosawa, R N F, do Amaral Junior, A T, Silva, F H L, Dos Santos, A, Vivas, M, Kamphorst, S H, Pena, G F

“…The multivariate analyses are useful tools to estimate the genetic variability between accessions. In the breeding programs, the Ward-Modified Location Model…”
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Improvement of a popcorn population using selection indexes from a fourth cycle of recurrent selection program carried out in two different environments by Amaral Júnior, A T, Freitas Júnior, S P, Rangel, R M, Pena, G F, Ribeiro, R M, Morais, R C, Schuelter, A R

“…We estimated genetic gains for popcorn varieties using selection indexes in a fourth cycle of intrapopulation recurrent selection developed in the campus of…”
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Snap bean recommendation based on different methods of phenotypic stability by Marinho, C D, Gravina, G A, Araújo, L C, Almeida, S N C, Amaral Júnior, A T, Daher, R F, Gonçalves, L S A

“…In order to recommend the best strains of snap beans from the Universidade Estadual do Norte Fluminense (UENF) breeding program, different methods of analysis…”
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Use of transgenic seeds in Brazilian agriculture and concentration of agricultural production to large agribusinesses by Marinho, C D, Martins, F J O, Amaral Júnior, A T, Gonçalves, L S A, Amaral, S C S, de Mello, M P

“…We identified the commercial releases of genetically modified organisms (GMOs) in Brazil, their characteristics, the types of genetic transformation used, and…”
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Indices estimated using REML/BLUP and introduction of a super-trait for the selection of progenies in popcorn by Vittorazzi, C, Amaral Junior, A T, Guimarães, A G, Viana, A P, Silva, F H L, Pena, G F, Daher, R F, Gerhardt, I F S, Oliveira, G H F, Pereira, M G

“…Selection indices commonly utilize economic weights, which become arbitrary genetic gains. In popcorn, this is even more evident due to the negative…”
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Heirloom tomato gene bank: assessing genetic divergence based on morphological, agronomic and molecular data using a Ward-modified location model by Gonçalves, L S A, Rodrigues, R, do Amaral Júnior, A T, Karasawa, M, Sudré, C P

“…Accessions in gene banks need to be characterized and evaluated to determine their genetic diversity. We made a joint diversity analysis of the tomato gene…”
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Comparison of multivariate statistical algorithms to cluster tomato heirloom accessions by Gonçalves, L.S.A, Rodrigues, R, Amaral Júnior, A.T, Karasawa, M, Sudré, C.P

“…Use of multivariate statistical algorithms is considered an important strategy to quantify genetic similarity. Local varieties and traditional (heirloom) seeds…”
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Intraspecific variability of popcorn S 7 lines for phosphorus efficiency in the soil by Gerhardt, I F S, Júnior, A T Amaral, Guimarães, L J M, Schwantes, I A, Santos, A, Kamphorst, S H, Lima, V J, Poblete, F M, Myers, G O

“…The expansion of agriculture, coupled with the need for sustainable cropping, is one of the greatest challenges of the scientific community working on the…”
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Genetic gains in the UENF-14 popcorn population with recurrent selection by Freitas, I L J, do Amaral Júnior, A T, Freitas, Jr, S P, Cabral, P D S, Ribeiro, R M, Gonçalves, L S A

“…The popcorn breeding program of Universidade Estadual do Norte Fluminense Darcy Ribeiro aims to provide farmers a cultivar with desirable agronomic traits,…”
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Prospecting of popcorn hybrids for resistance to fall armyworm by Crubelati-Mulati, N C S, Scapim, C A, Albuquerque, F A, Amaral Junior, A T, Vivas, M, Rodovalho, M A

“…The fall armyworm, Spodoptera frugiperda, is the pest that causes the greatest economic losses for both common corn and popcorn crops, and the use of resistant…”
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Genetically modified crops: Brazilian law and overview by Marinho, C D, Martins, F J O, Amaral Júnior, A T, Gonçalves, L S A, dos Santos, O J A P, Alves, D P, Brasileiro, B P, Peternelli, L A

“…In Brazil, the first genetically modified (GM) crop was released in 1998, and it is estimated that 84, 78, and 50% of crop areas containing soybean, corn, and…”
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RAPD and ISSR markers in the evaluation of genetic divergence among accessions of elephant grass by de Lima, R S N, Daher, R F, Gonçalves, L S A, Rossi, D A, do Amaral Júnior, A T, Pereira, M G, Lédo, F J S

“…Considering the expected genetic variability of elephant grass (Pennisetum purpureum), due to its cultivation in different continents, we characterized and…”
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Experimental optimization of the number of blocks by means of algorithms parameterized by confidence interval in popcorn breeding by Paula, T O M, Marinho, C D, Amaral Júnior, A T, Peternelli, L A, Gonçalves, L S A

“…The objective of this study was to determine the optimal number of repetitions to be used in competition trials of popcorn traits related to production and…”
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Combining ability of tropical maize lines for seed quality and agronomic traits by Moterle, L M, Braccini, A L, Scapim, C A, Pinto, R J B, Gonçalves, L S A, do Amaral Júnior, A T, Silva, T R C

“…Studies of genetic effects of early selection of maize based on seed quality traits are rare, especially those that use materials from different heterotic…”
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Revisiting the Brazilian scenario of registry and protection of cultivars: an analysis of the period from 1998 to 2010, its dynamics and legal observations by Marinho, C D, Martins, F J O, Amaral, S C S, Amaral Júnior, A T, Gonçalves, L S A, de Mello, M P

“…During the last 20 years, the national production of grains has increased 156.1%; productivity increased 93.8% and there has been an increase of 29.1% in…”
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