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Article ; Online: Relationships between yield and some anatomical and morphological traits in rubber tree progenies

de Castro Sant’ Anna, Isabela / Gouvêa, Ligia Regina Lima / Spitti, Acácia Mecejana Diniz Souza / Martins, Antônio Lucio Mello / Gonçalves, Paulo de Souza

Industrial crops and products. 2020 May, v. 147, p. 112221

2020 , Page(s) 112221

Abstract: The present work evaluated the relationship of rubber yield with morphological and structural traits of the laticiferous system in rubber tree [Hevea brasiliensis (Willd. ex Adr. de Juss.) Muell. Arg] open-pollinated progenies to understand the cause and ...

Abstract	The present work evaluated the relationship of rubber yield with morphological and structural traits of the laticiferous system in rubber tree [Hevea brasiliensis (Willd. ex Adr. de Juss.) Muell. Arg] open-pollinated progenies to understand the cause and effect relationships between traits in order to enable future early selection. The progenies were installed in Jaú, Pindorama and Votuporanga in a randomized block design, with five replications and 10 plants per plot at a spacing of 2.0 × 2.0 m. The traits evaluated at three years of age were rubber yield (Yld); girth (Grt), expressed by the stem perimeter; bark thickness (BT); number of latex vessel rings (RG); length (PL), diameter (PD) and petiole index (PI); leaflet length(LFL) and width (LFW); leaf width (LW), area (LA) and index (LI); and number of leaf storeys (NLS). Coefficients of the genotypic correlations were used for a graphical representation of the correlation network created in the Genes program. Subsequently, the diagnosis of multicollinearity, as well as the analysis of the direct and indirect genotypic correlations of bark anatomical traits, leaf morphological traits, girth, and rubber yield, were performed. The traits that showed significant genotypic correlations with rubber yield at the three evaluated sites were girth, bark thickness, and number of leaf storeys. The girth character had the largest direct effect on rubber yield. Canonical correlation analysis showed that selection for the number of leaf storeys may increase at least three of the traits (yield, girth, bark thickness, and number of latex vessel rings) for most locations studied. There is an association between the yield traits (yield, girth, and the laticiferous system) and the morphological traits.
Keywords	Hevea brasiliensis ; bark ; early selection ; genes ; latex ; leaf width ; multivariate analysis ; open pollination ; petioles ; rubber ; Canonical correlation ; Path analysis ; Rubber yield ; Correlation network
Language	English
Dates of publication	2020-05
Size	112221
Publishing place	Elsevier B.V.
Document type	Article ; Online
ZDB-ID	1132158-1
ISSN	1872-633X ; 0926-6690
ISSN (online)	1872-633X
ISSN	0926-6690
DOI	10.1016/j.indcrop.2020.112221
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: A case study of factors controlling water quality in two warm monomictic tropical reservoirs located in contrasting agricultural watersheds.

Lopes, Maria Conceição / Martins, Antonio Lucio Mello / Simedo, Mariana Bárbara Lopes / Filho, Marcílio Vieira Martins / Costa, Renata Cristina Araújo / do Valle Júnior, Renato Farias / Rojas, Nilton Eduardo Torres / Sanches Fernandes, Luís Filipe / Pacheco, Fernando António Leal / Pissarra, Teresa Cristina Tarlé

The Science of the total environment

2020 Volume 762, Page(s) 144511

Abstract: The integration of internal (e.g., stratification) and external (e.g., pollution) factors on a comprehensive assessment of reservoir water quality determines the success of ecosystem restoration initiatives and aids watershed management. However, ... ...

Abstract	The integration of internal (e.g., stratification) and external (e.g., pollution) factors on a comprehensive assessment of reservoir water quality determines the success of ecosystem restoration initiatives and aids watershed management. However, integrated analyses are scarcer than studies addressing factors separately. Integration is likely more efficient in studies of small well-characterized (experimental) reservoir watersheds, because the isolation of factor contributions is presumably clearer. But those studies are uncommon. This work describes the water quality of two small 5.5 m-deep reservoirs (MD-Main and VD-Voçoroca dams) located in Pindorama Experimental Center, state of São Paulo, Brazil, considering the interplay between reservoir dimension, seasonal thermal stratification, chemical gradients, erosive rainfall events, presence of natural biofilters, and land uses and landscape patterns around the reservoirs and within the contributing watersheds. The monitoring of agricultural activities and water quality parameters occurred in October 2018-July 2019. A 4 °C thermal stratification occurred in October (difference between surface and bottom water temperature), which decreased until disappearance in January (VD) or April (MD). The longer stratification period of MD was justified by its larger area relative to VD (≈10×). Thermal stratification triggered hypoxia at the bottom of both reservoirs (DO ≈ 1 mg/L), more prolonged and severe in MD. Hypoxia activated Ec and TDS peaks in January likely explained by bottom-sediment nutrient releases, presumably phosphorus. The Ec peak reached 560 μS/cm in MD and 290 μS/cm in VD. The smaller VD peak was probably explained by the action of macrophytes. In March, a 240 NTU turbidity peak occurred in MD, caused by precedent erosive rainfall and the lack of vegetation protection alongside the south border. As expected, the study accomplished clear isolation of factor contributions, verified by Factor and Cluster analyses. Our results can subsidize studies on larger reservoir watersheds requiring restoration, where the isolation of factors is more challenging.
Language	English
Publishing date	2020-12-16
Publishing country	Netherlands
Document type	Journal Article
ZDB-ID	121506-1
ISSN	1879-1026 ; 0048-9697
ISSN (online)	1879-1026
ISSN	0048-9697
DOI	10.1016/j.scitotenv.2020.144511
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Article: Identifying Arachis Amphidiploids Resistant to Foliar Fungal Diseases

Michelotto, Marcos Doniseti / de Godoy, Ignácio José / dos Santos, João Francisco / Martins, Antonio Lucio Mello / Leonardecz, Eduardo / Fávero, Alessandra Pereira

Crop science. 2016 July, v. 56, no. 4

2016

Abstract: Many wild species of the genus Arachis are more resistant to pests and diseases than the cultivated species A. hypogaea. However, the use of Arachis germplasm in breeding programs is hampered by sterility barriers mainly due to differences between the ... ...

Abstract	Many wild species of the genus Arachis are more resistant to pests and diseases than the cultivated species A. hypogaea. However, the use of Arachis germplasm in breeding programs is hampered by sterility barriers mainly due to differences between the genomes and the ploidy levels of A. hypogaea and related species. The aim of this study was to evaluate eight newly obtained amphidiploids and their parents for resistance to early leaf spot, late leaf spot, and rust under field conditions for three consecutive years. The diseases were evaluated using a diagrammatic scale with visual symptom scores ranging from 1 to 9 for the leaf spots and rust diseases. With few exceptions, all parental wild species accessions and the derived amphidiploids were more resistant than A. hypogaea checks. The amphidiploids with the greatest resistance to the three foliar fungal diseases were (A. magna Krapov., W.C. Gregory & C.E. Simpson V 13751 × A. cardenasii Krapov. & W.C. Gregory GKP 10017)⁴ˣ, (A. magna K 30097 × A. stenosperma Krapov. & W.C. Gregory V 15076)⁴ˣ, and (A. vallsii V 7635 × A. stenosperma V 10229)⁴ˣ. These amphidiploids will be used in crosses and backcrosses with A. hypogaea, with the aim of performing introgression and pyramidization of disease resistance genes in cultivated peanut.
Keywords	amphidiploidy ; backcrossing ; disease resistance ; fungi ; germplasm ; introgression ; leaf spot ; leaves ; peanuts
Language	English
Dates of publication	2016-07
Size	p. 1792-1798.
Publishing place	The Crop Science Society of America, Inc.
Document type	Article
Note	NAL-AP-2-clean ; epub
ZDB-ID	410209-5
ISSN	0011-183X
ISSN	0011-183X
DOI	10.2135/cropsci2015.06.0393
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Genotype-environment interaction and phenotypic stability for girth growth and rubber yield of Hevea clones in São Paulo State, Brazil

Gonçalves Paulo de Souza / Bortoletto Nelson / Martins Antonio Lúcio Mello / Costa Reginaldo Brito da / Gallo Paulo Boller

Genetics and Molecular Biology, Vol 26, Iss 4, Pp 441-

2003 Volume 448

Abstract: The best-yielding, best vigour and most stable Hevea clones are identified by growing clones in different environments. However, research on the stability in Hevea brasiliensis (Willd. Adr. ex Juss.) Muell.-Arg. is scarce. The objectives of this work ... ...

Abstract	The best-yielding, best vigour and most stable Hevea clones are identified by growing clones in different environments. However, research on the stability in Hevea brasiliensis (Willd. Adr. ex Juss.) Muell.-Arg. is scarce. The objectives of this work were to assess genotype-environment interaction and determine stable genotypes. Stability analysis were performed on results for girth growth and rubber yield of seven clones from five comparative trials conducted over 10 years (girth growth) and four years (rubber yield) in São Paulo State, Brazil. Stability was estimated using the Eberhart and Russell (1966) method. Year by location and location variability were the dominant sources of interactions. The stability analysis identified GT 1 and IAN 873 as the most stable clones for girth growth and rubber yield respectively since their regression coefficients were almost the unity (b = 1) and they had one of the lowest deviations from regressions (S2di). Their coefficient of determination (R²) was as high as 89.5% and 89.8% confirming their stability. In contrast, clones such as PB 235, PR 261, and RRIM 701 for girth growth and clones such as GT 1 for rubber yield with regression coefficients greater than one were regarded as sensitive to environment changes.
Keywords	Hevea brasiliensis ; rubber tree ; coefficient of determination ; stability parameters ; Genetics ; QH426-470 ; Biology (General) ; QH301-705.5 ; Science ; Q ; DOAJ:Genetics ; DOAJ:Biology ; DOAJ:Biology and Life Sciences
Language	English
Publishing date	2003-01-01T00:00:00Z
Publisher	Sociedade Brasileira de Genética
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Variabilidade genética em caracteres morfológicos, agronômicos e citogenéticos de populações de maracujazeiro-doce(Passiflora alata Curtis)

Meletti Laura Maria Molina / Bernacci Luis Carlos / Soares-Scott Marta Dias / Azevedo Filho Joaquim Adelino de / Martins Antonio Lúcio Mello

Revista Brasileira de Fruticultura, Vol 25, Iss 2, Pp 275-

2003 Volume 278

Abstract: O maracujazeiro-doce (Passiflora alata Curtis) é uma espécie polimorfa, com significativas variações quanto ao tamanho e formato dos frutos, peso, espessura da casca, coloração de polpa e número de sementes por fruto. A propagação por sementes predomina ... ...

Abstract	O maracujazeiro-doce (Passiflora alata Curtis) é uma espécie polimorfa, com significativas variações quanto ao tamanho e formato dos frutos, peso, espessura da casca, coloração de polpa e número de sementes por fruto. A propagação por sementes predomina e amplia a variabilidade entre as plantas cultivadas. Foi feita a caracterização morfológica, agronômica e citogenética dos acessos Mogi-Guaçu, Grande, Jaboticabal, Ouro-Miúdo, Campinas, Gomo e CENARGEN. Os acessos 'Mogi-Guaçu' e 'Grande' foram superiores na maioria das características avaliadas.
Keywords	maracujá-doce ; P. alata ; variabilidade ; caracterização ; Plant culture ; SB1-1110 ; Agriculture ; S ; DOAJ:Plant Sciences ; DOAJ:Agriculture and Food Sciences
Language	Portuguese
Publishing date	2003-01-01T00:00:00Z
Publisher	Sociedade Brasileira de Fruticultura
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Influência de porta-enxertos no crescimento de clones de seringueira no Estado de São Paulo

MARTINS ANTONIO LUCIO MELLO / RAMOS NILZA PATRICIA / GONÇALVES PAULO DE SOUZA / VAL KATIA SCOTT DO

Pesquisa Agropecuária Brasileira, Vol 35, Iss 9, Pp 1743-

2000 Volume 1750

Abstract: Este trabalho foi instalado na Estação Experimental de Agronomia de Pindorama, SP, com a finalidade de avaliar a interação enxerto vs. porta-enxertos de seringueira, Hevea brasiliensis (Willd. ex Adr. de Juss.) Müell. Arg. Os clones utilizados foram IAN ... ...

Abstract	Este trabalho foi instalado na Estação Experimental de Agronomia de Pindorama, SP, com a finalidade de avaliar a interação enxerto vs. porta-enxertos de seringueira, Hevea brasiliensis (Willd. ex Adr. de Juss.) Müell. Arg. Os clones utilizados foram IAN 873, RRIM 600, RRIM 701, PB 235, PR 107 e GT 1, enxertados em seis diferentes porta-enxertos provenientes de sementes ilegítimas dos clones IAN 873, RRIM 600, RRIM 701, PB 235, GT 1 e de sementes não selecionadas. O delineamento utilizado foi o de blocos ao acaso, com parcelas subdivididas, tendo os porta-enxertos como tratamentos e os clones (enxertos) como subtratamentos, em quatro repetições. Os resultadosmostram que no período de avaliação o porta-enxerto GT 1 e IAN 873 foram os que produziram os maiores perímetros por planta, sendo 10,20 % maior que o de sementes não selecionadas. Paralelamente, os enxertos em vigor mostraram que os clones PB 235, RRIM 600 e PR 107 apresentaram melhor desempenho, com um perímetro do caule 8,12% maior que o dos clonesRRIM 701 e GT 1,notadamente os de menor vigor. A interação enxerto vs. porta-enxerto não foi significativa.
Keywords	Hevea brasiliensis ; clonagem ; propagação vegetativa ; compatibilidade do enxerto ; vigor de semente ; Agriculture (General) ; S1-972
Language	English
Publishing date	2000-01-01T00:00:00Z
Publisher	Embrapa Informação Tecnológica
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Desempenho de clones de seringueira da série IAC 300 na região do planalto de São Paulo

Gonçalves Paulo de Souza / Martins Antonio Lúcio Mello / Furtado Edson Luiz / Sambugaro Rosana / Ottati Emma Luize / Ortolani Altino Aldo / Godoy Júnior Gentil

Pesquisa Agropecuária Brasileira, Vol 37, Iss 2, Pp 131-

2002 Volume 138

Abstract: O objetivo deste trabalho foi selecionar clones de seringueira (Hevea spp.) promissores para a região do planalto do Estado de São Paulo. De uma população de 70 clones, de polinização controlada, integrantes do experimento de avaliação em pequena escala, ...

Abstract	O objetivo deste trabalho foi selecionar clones de seringueira (Hevea spp.) promissores para a região do planalto do Estado de São Paulo. De uma população de 70 clones, de polinização controlada, integrantes do experimento de avaliação em pequena escala, foram avaliados 16 da série IAC 300. O experimento foi instalado na Estação Experimental de Pindorama, no espaçamento de 7 x 3 m, em delineamento de blocos casualizados, com três repetições, tendo os clones RRIM 600 e GT 1 como testemunhas. Quanto à produção de borracha seca, destacaram-se oito e dez clones superiores ao RRIM 600 e GT 1, respectivamente. Todos os clones avaliados apresentaram-se vigorosos em relação ao perímetro do caule na abertura do painel. Sete deles mostraram alta resistência; sete, resistência moderada, e dois, suscetíveis à antracnose do painel. Sugere-se sua avaliação em experimentos de grande escala, para avaliar, além da produção, os demais caracteres secundários, em diferentes ambientes, para futuras recomendações em larga escala para o Estado de São Paulo.
Keywords	Hevea brasiliensis ; casca ; espessura ; antracnose ; rendimento ; Agriculture (General) ; S1-972
Language	English
Publishing date	2002-01-01T00:00:00Z
Publisher	Embrapa Informação Tecnológica
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Potencial produtivo de linhagens de amendoim do grupo ereto precoce com e sem controle de doenças foliares

GODOY IGNÁCIO JOSÉ DE / MORAES SÉRGIO ALMEIDA DE / MORAES ANDREA ROCHA ALMEIDA DE / KASAI FRANCISCO SEIITI / MARTINS ANTONIO LÚCIO MELLO / PEREIRA JOSÉ CARLOS VILA NOVA ALVES

Bragantia, Vol 60, Iss 2, Pp 101-

2001 Volume 110

Abstract: Avaliaram-se o potencial produtivo, o rendimento de grãos após descascamento e a massa de grãos de onze linhagens de amendoim (Arachis hypogaea L.) do programa de melhoramento do Instituto Agronômico e da cultivar IAC-Tatu-ST, com e sem controle de ... ...

Abstract	Avaliaram-se o potencial produtivo, o rendimento de grãos após descascamento e a massa de grãos de onze linhagens de amendoim (Arachis hypogaea L.) do programa de melhoramento do Instituto Agronômico e da cultivar IAC-Tatu-ST, com e sem controle de doenças foliares. O material genético classifica-se no grupo ereto precoce (A. hypogaea subsp. fastigiata, Waldron). Seis experimentos foram desenvolvidos na época das águas, no Núcleo de Agronomia da Alta Mogiana e na Estação Experimental de Agronomia de Pindorama, em 1994/95, 1995/96 e 1996/97, em esquema com duas parcelas subdivididas, em blocos ao acaso com quatro repetições, em que as parcelas principais consistiram em tratamentos com e sem o controle químico das doenças. As parcelas tratadas foram pulverizadas periodicamente com 3,0 L.ha-1 do fungicida chlorothalonil para controle da mancha-castanha e da mancha-preta (Cercospora arachidicola e Cercosporidium personatum) e da verrugose (Sphaceloma arachidis). A ausência de controle químico resultou em significativas reduções, até de 60%, na produção de todos os genótipos. Com as doenças controladas, as linhagens IAC 5, IAC 21, IAC 22 e IAC 81-12 apresentaram maior potencial produtivo, atingindo 5.000 kg.ha-1 em dois dos experimentos. As linhagens IAC 81-7 e IAC 88-1 apresentaram os melhores desempenhos relativos entre as médias de ambientes com e sem controle químico. As doenças causaram reduções até de 14% no peso médio dos grãos, sobretudo nas linhagens IAC 5, IAC 21 e IAC 22, cujos grãos são de maior tamanho médio. Não foram observadas diferenças significativas em rendimento de grãos entre os tratamentos, na maioria dos ambientes; essa característica mostrou, também, ser pouco influenciada pela presença das doenças.
Keywords	amendoim ; Arachis hypogaea subsp. ; fastigiata Waldron ; linhagens ; potencial produtivo ; controle de doenças foliares ; Agriculture (General) ; S1-972 ; Agriculture ; S ; DOAJ:Agriculture (General) ; DOAJ:Agriculture and Food Sciences ; Geology ; QE1-996.5 ; Science ; Q ; DOAJ:Earth Sciences ; DOAJ:Earth and Environmental Sciences
Language	English
Publishing date	2001-01-01T00:00:00Z
Publisher	Instituto Agronômico de Campinas
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Genotype-environment interaction and the number of test sites for the genetic improvement of rubber trees (Hevea) in São Paulo State, Brazil

Costa Reginaldo Brito da / Resende Marcos Deon Vilela de / Araujo Antonio José de / Gonçalves Paulo de Souza / Martins Antonio Lúcio Mello

Genetics and Molecular Biology, Vol 23, Iss 1, Pp 179-

2000 Volume 187

Abstract: The present study quantifies the possible genotype-environment interactions and determines the ideal number of test sites for rubber trees [Hevea brasiliensis (Willd ex Adr. de Juss.) Muell Arg] in the plateau region of São Paulo State. The study was ... ...

Abstract	The present study quantifies the possible genotype-environment interactions and determines the ideal number of test sites for rubber trees [Hevea brasiliensis (Willd ex Adr. de Juss.) Muell Arg] in the plateau region of São Paulo State. The study was based on the genetic correlation among progenies at three different sites and on estimates of genetic gains with indirect selection of rubber trees. Twenty-two half-sib progenies were planted at the Jaú, Pindorama and Votuporanga experimental stations using random blocks with five replications and 10 plants per plot. At three years of age, the plants were evaluated for their total number of latex ring vessels (NR), rubber production (RP), bark thickness (BT) and girth (SG). There was significant genetic variability in the characters RP, SG and BT, mainly among progenies from Pindorama and Votuporanga. The effects of genotype-site interactions were significant for RP and SG. The finding of significant interactions was not a complicating factor because of the large genetic correlation detected. These results indicate that the use of two sites is more profitable when the gains in efficiency of selection are greater than 10%. Thus, Pindorama and Votuporanga will satisfactorily attend the studied region.
Keywords	Genetics ; QH426-470 ; Biology (General) ; QH301-705.5 ; Science ; Q ; DOAJ:Genetics ; DOAJ:Biology ; DOAJ:Biology and Life Sciences
Subject code	580
Language	English
Publishing date	2000-01-01T00:00:00Z
Publisher	Sociedade Brasileira de Genética
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Efeitos da adubação nitrogenada e com micronutrientes na qualidade de sementes do feijoeiro cultivar IAC-Carioca

AMBROSANO EDMILSON JOSÉ / AMBROSANO GLÁUCIA MARIA BOVI / WUTKE ELAINE BAHIA / BULISANI EDUARDO ANTONIO / MARTINS ANTONIO LÚCIO MELLO / SILVEIRA LUIS CLÁUDIO PATERNO

Bragantia, Vol 58, Iss 2, Pp 393-

1999 Volume 399

Abstract: Foram realizados ensaios de laboratório com amostras de sementes obtidas de dois experimentos em campo, no município de Pindorama, de maio a agosto, em 1992 e 1993, visando estudar o efeito do nitrogênio e de micronutrientes, aplicados sob várias formas, ...

Abstract	Foram realizados ensaios de laboratório com amostras de sementes obtidas de dois experimentos em campo, no município de Pindorama, de maio a agosto, em 1992 e 1993, visando estudar o efeito do nitrogênio e de micronutrientes, aplicados sob várias formas, na qualidade das sementes do feijoeiro cultivar IAC-Carioca. Tomaram-se amostras de sementes de cada tratamento aplicado em campo, acondicionando-as em sacos de papel e conservando-as em câmara seca com temperatura de 15o C e umidade relativa do ar de 40%, sendo efetuados testes de germinação imediatamente após a colheita e após 12 e 24 meses. Os resultados foram analisados e as médias, comparadas pelo teste de Duncan:tanto o fornecimento diferencial de N como o de micronutrientes não afetaram a qualidade fisiológica das sementes, medida por meio da percentagem de germinação e de plântulas anormais, não se observando acúmulo ou déficit de elementos nutrientes nas sementes do feijoeiro.
Keywords	feijão ; Phaseolus vulgaris L. ; nitrogênio ; micronutrientes ; irrigação ; qualidade de semente ; Agriculture (General) ; S1-972 ; Agriculture ; S ; DOAJ:Agriculture (General) ; DOAJ:Agriculture and Food Sciences ; Geology ; QE1-996.5 ; Science ; Q ; DOAJ:Earth Sciences ; DOAJ:Earth and Environmental Sciences
Language	English
Publishing date	1999-01-01T00:00:00Z
Publisher	Instituto Agronômico de Campinas
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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