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Online version: ISSN 2317-1545 JOURNAL OF SEED SCIENCE Continuation of the “Revista Brasileira de Sementes / Brazilian Seed Journal” 4 Issues a Year / Publicação Trimestral This Journal’s articles are indexed in: - BINAGRI / Ministério da Agricultura, Pecuária e Abastecimento www.agricultura.gov.br - SCIELO (Scientific Eletronic Library on line) www.scielo.br - SCOPUS - AGROBASE - AGRIS Coordenadoria Geral e Informação Documental Agrícola BINAGRI/MAPA - EBSCO Information Services Associação Brasileira de Tecnologia de Sementes Brazilian Association of Seed Technology JSS Viçosa, MG v. 40 n. 3 p.213-355 Sep. 2018 GENERAL INFORMATION The Journal of Seed Science (JSS) is the official publication of the Brazilian Association of Seed Technology, and publishes original articles and revisions in the field of Seed Science and Technology and related areas of the agricultural services. The JSS is a publication in continuation of the “Revista Brasileira de Sementes” (Brazilian Seed Journal), from January/2013. The mission of JSS is to publish scientific papers in the area of Seed Science and Technology, providing to the national and international agricultural sectors the knowledge for producing high quality seeds and the benefits from its use. Besides, JSS aims to contribute for the development and improvement of technologies that would aid in the economic and social improvement of the population, guaranteeing the basic input of the agricultural production and the preservation of the vegetable species. The JSS is published four times a year, although special numbers can be published. The Editorial Board is composed by one or more editors, Associated Editors and a Scientists Committee formed by scientists working with Seed Science and Technology. The annual subscription rate of JSS is US$ 200.00 abroad. The price of each number is US$ 60.00. Subscriptions and or individual number should be requested by sending a money order to ABRATES, at the following address: JOURNAL OF SEED SCIENCE Universidade Federal de Viçosa - Departamento de Fitotecnia Avenida PH Rolfs, s/n°, 36570-900, Viçosa - MG – Brasil Fone: +055(31) 3899-2611 / Email: [email protected] ABRATES Londrina - Fone/FAX: +055(43) 3025-5120 Email: [email protected] INFORMAÇÕES GERAIS A revista ”Journal of Seed Science” (JSS) é uma publicação oficial da Associação Brasileira de Tecnologistas de Sementes (ABRATES) e destina-se a divulgar trabalhos científicos originais sobre Ciência e Tecnologia de Sementes e áreas correlatas. O JSS é a publicação que dará continudade à “Revista Brasileira de Sementes” (Brasilian Seed Journal) a partir de Janeiro de 2013. A missão do JSS é publicar trabalhos científicos na área de Ciência e Tecnologia de Sementes, divulgando ao setor agrícola nacional e internacional, avanços do conhecimento para a obtenção de sementes de alta qualidade e informações relativas aos benefícios resultantes da sua utilização. Além disso, contribuir para o desenvolvimento e aprimoramento de tecnologias que auxiliem no desenvolvimento econômico e social da população, garantindo o insumo básico da produção agrícola e a preservação das espécies vegetais. A periodicidade do JSS é trimestral, podendo, no entanto, serem publicadas edições especiais. O Comitê Editorial é composto por um ou mais EDITORES, por Editores Associados e um corpo de Assessores Científicos, formado por cientistas que trabalham em Tecnologia de Sementes. O preço da assinatura ao ano, é de US$ 160,00 (oitenta e cinco dólares americanos) para o território nacional e de US$ 200,00 (duzentos dólares americanos) para o exterior. Os pedidos acompanhados de cheque nominal à ABRATES deverão ser encaminhados à Diretoria Técnica e de Divulgação no seguinte endereço: JOURNAL OF SEED SCIENCE Universidade Federal de Viçosa - Departamento de Fitotecnia Avenida PH Rolfs, s/n°, 36570-900, Viçosa - MG – Brasil Fone: +055(31) 3899-2611 / Email: [email protected] ABRATES Londrina - Fone/FAX: +055(43) 3025-5120 Email: [email protected] Home Page www.abrates.org.br/revista e-mail: [email protected] Ficha Catalográfica: Maria José Ribeiro Betetto CRB 9 / 1. 596 Cataloging: Maria José Betetto CRB 9 / 1.596 Journal of Seed Science / Associação Brasileira de Tecnologia de Sementes. – v. 1, n.1 (1979) Brasília, DF: 1979 - Every four month (1979 - 1990), Biannual (1991 - 2005). Every four month (2006 - 2008). Quarterly (2009 - ). Continuation of “Revista Brasileira de Sementes”. From v.35, n.1, 2013, the journal is published in English language. Edited in Brasília (1979 - 1993), Londrina (1994 - 1995), Campinas (1996 -2001). Londrina (2002 – 2003). Pelotas (2004- 2007). Lavras (2008 -2011) Viçosa (2012 - ). ISSN: (2317-1545) 1. Seeds – Technology – Brazil – Periodicals. I. Associação Brasileira de Tecnologia de Sementes. CDD 631.5201 Layout Editor and Design: Jéssica Akemi Ychisawa ASSOCIAÇÃO BRASILEIRA DE TECNOLOGIA DE SEMENTES (BRAZILIAN ASSOCIATION OF SEED TECHNOLOGY) EXECUTIVE BOARD - 2015/2017 President: Francisco Carlos Krzyzanowski (EMBRAPA SOJA) 1st Vice-President: Fernando Augusto Henning (EMBRAPA SOJA) 2nd Vice-President: Maria Laene Moreira de Carvalho (UFLA) Financial Director: José de Barros França Neto (EMBRAPA SOJA) Vice-Financial Director: Alessandro de Lucca e Braccini (UEM) Technical and Communication Director: Denise Cunha Fernandes dos Santos Dias (UFV) Vice-Technical and Communication Director: Gilda Pizzolante de Pádua (EMBRAPA) Supervisory Board - holders: Francisco Guilhien Gomes Junior (USP/ESALQ) Luiz Eduardo Panozzo (UFPel) Marizângela Rizzatti Ávila (IAPAR) Alternates: Claudio José Barbedo (Instituto de Botânica, SP) Géri Eduardo Meneghello (UFPel) Laércio Junio da Silva (UFV) JOURNAL OF SEED SCIENCE EDITORS Denise Cunha Fernandes dos Santos Dias - Universidade Federal de Viçosa Gilda Pizzolante de Pádua - Empresa Brasileira de Pesquisa Agropecuária Associate Editors: Antônio Rodrigues Vieira (EPAMIG) Gilda Pizzolante de Pádua (EMBRAPA/EPAMIG) Alek Sandro Dutra (UFC) José de Barros França Neto (EMbrapa SOJA) Alessandro de Lucca e Braccini (UEM) Júlio Marcos Filho (USP / ESALQ) Ceci Castilho Custódio (UNOESTE) João Almir Oliveira (UFLA) Claudemir Zucareli (UEL) Laércio Junio da Silva (UFV) Cláudio José Barbedo (Instituto de Botânica) Luciana Magda de Oliveira (UDESC) Denise Cunha Fernandes dos Santos Dias (UFV) Marcela Carlota Nery (UFVJM) Eduardo Euclydes de Lima e Borges (UFV) Maria Laene Moreira de Carvalho (UFLA) Eduardo Fontes Araújo (UFV) Norimar D’Ávila Denardin (UPF) Ellen Noly Barrocas (UFLA) Renato Delmondez de Castro (UFBA) Elisa Serra Negra Vieira (Embrapa Florestas) Renato Mendes Guimarães (UFLA) Fátima Conceição Marquez Pina Rodrigues (UFSCar) Silvio Moure e Cícero (USP / ESALQ) Fernando Augusto Henning (EMBRAPA SOJA) Sttela Dellyzete Veiga Franco da Rosa (Embrapa CAFÉ) Francisco Carlos Krzyzanowski (Embrapa SOJA) Warley Marcos Nascimento (EMBRAPA HORTALIÇAS) Francisco Guilhien Gomes Júnior (USP/ESALQ) International Associate Editors: Peter Toorop (Kew Garden / England) Omar Bazzigalupi (EEA INTA / Argentina) English Language Reviewers: Editora Genesis Infoservice Ltda. Lloyd John Friedrich Reviewers that cooperated with JSS vol. 40 n. 3: Alba Valéria Rezende Gabriel Castanheira Guimarães Carlos Eduardo Pereira Gilda Pizzolante de Pádua Charline Zaratin Alves Henrique Duarte Vieira Cileide Maria Coelho Janaína Ribeiro Costa Claudemir Zucareli Jéssica Lucena Marinho Denise Cunha Fernandes dos Santos Dias João José Parisi Diego de Souza Pereira Juliana Maria Espíndola Lima Edson Ferreira Duarte Marcela Carlota Nery Fabiana Lima Abrantes Marcelo Tavares Fabiano Aparecido Rios Marília Shibata Fátima Conceição Marquez Piña Rodrigues Nelson Barbosa Machado Neto Fernanda Carlota Nery Sttela Dellyzete Veigo Franco da Rosa JOURNAL OF SEED SCIENCE ISSN 2317-1545 v. 40 n. 3 - 2018 CONTENTS INVITED ARTICLE A new approach towards the so-called recalcitrant seeds. 221 Claudio José Barbedo. ORIGINAL ARTICLES Seed anatomy and water uptake and their relation to seed dormancy of Ormosia paraensis Ducke. 237 Breno Marques da Silva e Silva, Camila de Oliveira e Silva, Fabiola Vitti Môro, Roberval Daiton Vieira. Germination of Psidium friedrichsthalianum (O. Berg) Nied. seeds under different temperature and storage conditions. 246 Daniel Felipe de Oliveira Gentil, Sidney Alberto do Nascimento Ferreira, Elizabeth Rodrigues Rebouças. Seed germination of three endangered subspecies of Discocactus Pfeiff. (Cactaceae) in response to 253 environmental factors. Joana Paula Bispo Nascimento, Marcos Vinicius Meiado, José Alves Siqueira-Filho. Trinexapac-ethyl and topdressing nitrogen levels on the productivity and physiological quality of graniferous 263 white oat seeds. José Henrique Bizzarri Bazzo, Carlos Roberto Riede, Klever Marcio Antunes Arruda, André Prechlak Barbosa, Inês Cristina de Batista Fonseca, Claudemir Zucareli. Physiological potential of soybean seeds over storage after industrial treatment. 272 Lucas Caiubi Pereira, Mayara Mariana Garcia, Alessandro Lucca Braccini, Gláucia Cristina Ferri, Andreia Kazumi Suzukawa, Danilo Cesar Volpato Marteli, Thaisa Cavalieri Matera, Renata Cristiane Pereira, Larissa Vinis Correia. Why analyze germination experiments using Generalized Linear Models? 281 Fábio Janoni Carvalho, Denise Garcia de Santana, Lúcio Borges de Araújo. Thermodynamic properties for different equilibrium moisture content in sunn hemp seeds. 288 Suian José Granella, Divair Christ2, Taise Raquel Bechlin, Ivan Werncke, Silvia Renata Machado Coelho. Could packing
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    Section B Anthracnose resistant Stylosanthes B1: Germplasm evaluation & cultivar development Anthracnose resistant Stylosanthes for agricultural systems 125 126 Anthracnose resistant Stylosanthes for agricultural systems Chapter 10 Regional evaluation of Stylosanthes germplasm in Brazil Celso Dornelas Fernandes1, Sukumar Chakraborty2, Bela Grof3, Hortência Maria Abranches Purcino4, Maria do Socorro Bona Nascimento5, Maria José D’ Ávila Charchar6, Jaqueline Ros emeire Verzignassi7 and José Marcelino Sobrinho8 Summary Introduction Accessions and cultivars of Stylosanthes capitata, Species of the genus Stylosanthes are widely distributed in S. macrocephala, S. guianensis, S. scabra and S. seabrana tropical and subtropical regions of the Americas, Africa and were evaluated for agronomic performance and anthracnose Asia. The main centre of origin and diversity is Brazil, the native resistance at five field sites in Brazil spanning the states of habitat of 25 of the 45 described species (Stace & Edye 1984). Chapadão do Sul-MS, Goiânia-GO, Planaltina-DF, Sete Lagoas- The genus is adapted to a variety of edaphic and climatic conditions and has good potential as cultivated forage in MG and Teresina-PI. The field trials were laid out as a complete Brazil. Anthracnose, caused by Colletotrichum gloeosporioides randomised block design replicated four times and planted at (Penz.) Penz. & Sacc., the anamorphic form of Glomerella the beginning of the rainy season. Each replicate 5x2 m plot cingulata (Stonem.) Spauld & Scherenk, has been the main consisted of four rows of each accession/cultivar. Data on dry limitation to the commercial utilisation of Stylosanthes. This matter, seed yield and anthracnose severity were collected fungus has an extensive genetic diversity in Brazil (Weeds et during two years of this study and analysed separately for each al 2003) and resistant cultivars of the legume can potentially site.

  • Fire and Summer Temperatures Work Together Breaking Physical Seed Dormancy Belén Luna

    www.nature.com/scientificreports OPEN Fire and summer temperatures work together breaking physical seed dormancy Belén Luna Fire and high summer soil temperatures can break physical seed dormancy in Mediterranean fre-prone ecosystems. Their independent efect is somewhat recognized but both factors may act together with a synergistic efect yet unknown. This study aims to determine the isolated and combined efects of fre and summer temperatures on the release of physical seed dormancy in Cistaceae species. Fire and summer temperature treatments were applied in a factorial experiment to seeds of 12 species of Cistaceae. Seeds previously exposed or not to a heat shock (fre simulation) were kept for 1 or 2 months at constant or alternating temperatures (summer temperatures simulation). Additionally, I compared the efect of exposing the seeds to a heat shock before or after they had been subjected to the summer temperatures. Heat shock increased germination of all species, but summer temperatures produced diferent results. When seeds were exposed to summerARTICLE temperatures after heat shock, germination decreased. This negative efect disappeared when heat shock was simulated at the end of the summer temperatures. Fire and summer temperatures modulate timing of germination in Cistaceae with a joint control on post-fre regeneration. Cycling of sensitivity to physical dormancy release may be the mechanism to explain this fne-tuning, which would ensure germination when environmental conditions are suitable for growth. These results contribute to our understanding of vegetation dynamics and postfre regeneration in Mediterranean ecosystems. Cistaceae is a plant family widely distributed in the Mediterranean Basin forming vast areas of shrublands, which dominate the landscape afer fre occurrence1.
  • Stylosanthes Humilis Scientific Name  Stylosanthes Humilis Kunth

    Stylosanthes Humilis Scientific Name  Stylosanthes Humilis Kunth

    Tropical Forages Stylosanthes humilis Scientific name Stylosanthes humilis Kunth Synonyms Inflorescence a spike with mostly 3-5 Young plant pre-flowering flowers. Stylosanthes figueroae Mohlenbr. Family/tribe Family: Fabaceae (alt. Leguminosae) subfamily: Faboideae tribe: Dalbergieae subtribe: Stylosanthinae. Morphological description Much-branched, prostrate to erect, herbaceous annual 5‒50 (‒70) cm tall, usually with short white hairs along Inflorescence; conspicuous bristles on leaf stipule. Maturing seed heads one side of the stem and scattered small bristles on stem and nodes. Leaves trifoliolate, leaflets lanceolate or elliptical, acute, terminal leaflet 5‒24 mm long, 1.8‒5 mm wide, laterals smaller; both surfaces more or less glabrous or with short bristly hairs; petioles 2‒5 mm long, shortly hairy and often with scattered bristles; stipules bidentate, adnate to base of petiole with bristles Pod segments and seed of black- 3‒5 mm long on both sheath and teeth. Inflorescence seeded accession: upper segment with coiled beak (left); mostly sterile, hairy comprises several short, ovoid, crowded hirsute lower segment (right). Well-developed spikes, with 3 ‒5 (‒15) flowers in each spike; flowers not lower segment as shown is atypical. subtended by axis rudiment, one inner and one outer bracteole at base; calyx tube 4‒5 mm long, lobes 1.5 mm Upper pod segment and seed of brown- seeded accession long; corolla bright yellow; standard 3‒4 mm × 3‒4 mm. Fruit a 2-segmented pod (lomentum), hairy with two Habit. A leaf; B articulations; the upper articulation beaked, 7‒10 mm long (including the beak), fertile; the lower much reduced, mostly sterile; beak strongly uncinate to coiled, 2‒7 mm long (to 70% of total fruit length).