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Costa,R.M.A.; Lima,W.C.; Vogel,C.I.G.; Berra,C.M.; Luche,D.D.; Medina-Silva,R.; Galhardo,R.S.; Menck,C.F.M.; Oliveira,V.R.. |
There is much interest in the identification and characterization of genes involved in DNA repair because of their importance in the maintenance of the genome integrity. The high level of conservation of DNA repair genes means that these genetic elements may be used in phylogenetic studies as a source of information on the genetic origin and evolution of species. The mechanisms by which damaged DNA is repaired are well understood in bacteria, yeast and mammals, but much remains to be learned as regards plants. We identified genes involved in DNA repair mechanisms in sugarcane using a similarity search of the Brazilian Sugarcane Expressed Sequence Tag (SUCEST) database against known sequences deposited in other public databases (National Center of... |
Tipo: Info:eu-repo/semantics/article |
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Ano: 2001 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572001000100018 |
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Silva,P.S.L.; Silva,P.I.B.; Oliveira,V.R.; Barros,G.L.; Monteiro,A.L.. |
Gliricidia (Gliricidia sepium) seedlings are usually beneficial to corn crops when planted between corn rows. The objective of this work was to assess the effects of corn intercropped with gliricidia and "sabiá" (Mimosa caesalpiniifolia), a species native to the Brazilian northeastern region, on weed control and corn green ear and grain yields. The experiment was carried out at Estação Experimental da Universidade Federal Rural do Semi-Árido - UFERSA (Mossoró, State of Rio Grande do Norte, Brazil). The experimental design consisted of randomized complete blocks (multifactorial design) with five replications, arranged in split-plots. The plots consisted of corn cultivars AG1051 and BM 2022; subplot treatments (six) were no-hoeing, twice-hoeing (at 20 and 40... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Gliricidia sepium; Mimosa caesalpiniifolia; Zea mays; Corn green yield; Corn grain yield. |
Ano: 2013 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582013000300008 |
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Silva,P.S.L.; Silva,K.M.B.; Silva,P.I.B.; Oliveira,V.R.; Ferreira,J.L.B.. |
The reduction in herbicide use is one of the greatest interests for modern agriculture and several alternatives are being investigated with this objective, including the adoption of cultivars that suppress weeds. The objective of this study was to verify if maize cultivars develop differently, in competition with weeds, to produce green ears and grain. Randomized complete block design was used, with split-plots and five replications. Cultivars DKB 390, DKB 466, DKB 350, AG 7000, AG 7575 and Master, were evaluated in the plots, without weeding and two weedings (at 22 and 41 days after sowing) in sub plots. Twenty-one species were identified in the experimental area, the most frequent being Gramineae (Poaceae), Euphorbiaceae, Leguminosae (Fabaceae) and... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Zea mays; Green corn; Leaf; Root; Tolerance to weeds. |
Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582010000100010 |
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Tavella,L.B.; Silva,P.S.L.; Oliveira,V.R.; Fernandes,P.L.O.; Sousa,R.P.. |
The objectives of this study were to evaluate baby corn yield, green corn yield, and grain yield in corn cultivar BM 3061, with weed control achieved via a combination of hoeing and intercropping with gliricidia, and determine how sample size influences weed growth evaluation accuracy. A randomized block design with ten replicates was used. The cultivar was submitted to the following treatments: A = hoeings at 20 and 40 days after corn sowing (DACS), B = hoeing at 20 DACS + gliricidia sowing after hoeing, C = gliricidia sowing together with corn sowing + hoeing at 40 DACS, D = gliricidia sowing together with corn sowing, and E = no hoeing. Gliricidia was sown at a density of 30 viable seeds m-2. After harvesting the mature ears, the area of each plot was... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Zea mays; Gliricidia sepium; Integrated control; Hoeing; Intercropping; Corn yield. |
Ano: 2014 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582014000100006 |
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Araújo Jr.,B.B.; Silva,P.S.L.; Morais,P.L.D.; Dombroski,J.L.D.; Oliveira,V.R.. |
A consorciação com a gliricídia controla as plantas daninhas do milho. Com o objetivo de entender melhor esse controle, realizou-se uma análise do crescimento do milho em consorciação com a gliricídia. O híbrido duplo AG 1051 foi cultivado com capinas (duas capinas, aos 20 e 40 dias após a semeadura), sem capinas e em consorciação com a gliricídia. Na consorciação, a gliricídia foi semeada a lanço, com 25 sementes viáveis m-2, por ocasião da semeadura do milho, entre as fileiras desta cultura. Utilizou-se o delineamento de blocos completos casualizados com parcelas subdivididas e oito repetições. O controle de plantas daninhas foi aplicado às parcelas, e as 13 coletas da parte aérea das plantas, para avaliação da área foliar e da matéria seca, às... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Zea mays; Gliricidia sepium; Milho-verde; Rendimento de grãos. |
Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582012000400009 |
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