Výsledky vyhledávání - "PAULO AFONSO VIANA"

Akademický článek

GREEN LEAVES EXCTRACT OF NEEM (Azadirachta indica) AND APPLICATION TIME ON DAMAGE AND DEVELOPMENT OF Spodoptera frugiperda (J.E. SMITH, 1797) (LEPIDOPTERA: NOCTUIDAE) IN MAIZE.

Autor: PAULO AFONSO VIANA, PAULO EDUARDO DE AQUINO RIBEIRO

Publikováno v: Revista Brasileira de Milho e Sorgo, Vol 9, Iss 1, Pp 27-37 (2010)

The aqueous extract of neem (Azadirachta indica) leaves has a recognized insecticidal activity against Spodoptera frugiperda (J.E. Smith, 1797) larvae. The objective of this study was to evaluate the effect of neem green leaves extract and applicatio

Externí odkaz: https://doaj.org/article/58f9b65ead4744758a8ad318ad1c2192

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Akademický článek

EFFECT OF NEEM EXTRACTS AND APPLICATION METHODS ON THE DAMAGE AND DEVELOPMENT OF FALL ARMYWORM, Spodoptera frugiperda, ON MAIZE

Autor: PAULO AFONSO VIANA, HÉLIO TEIXEIRA PRATES, PAULO EDUARDO DE AQUINO RIBEIRO

Publikováno v: Revista Brasileira de Milho e Sorgo, Vol 6, Iss 1, Pp 17-25 (2007)

The neem tree has a recognized insecticidal activity against insects that damage several crops. The objective of this study was to evaluate the effect of neem exctracts and application methods on the damage and development of Spodoptera frugiperda la

Externí odkaz: https://doaj.org/article/1a07511fe46044b2af09d8f2ceb754f8

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Akademický článek

CHEMICAL CONTROL OF Diabrotica spp. LARVAE DAMAGING MAIZE UNDER NO-TILLAGE SYSTEM

Autor: AROLDO IRIO MAROCHI, PAULO AFONSO VIANA

Publikováno v: Revista Brasileira de Milho e Sorgo, Vol 1, Iss 2, Pp 1-11 (2002)

The objective of this study was to evaluate the efficacy of insecticides applicationto control the corn rootworm, Diabrotica spp., on no-till corn. Field trials were conducted ateight locations in Ponta Grossa, PR, during two years. The treatments us

Externí odkaz: https://doaj.org/article/ebe2ade96d474f73a5b530cc0df572a0

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Akademický článek

Atividade de extrato aquoso de folhas de nim (Azadirachta indica) sobre Spodoptera frugiperda

Autor: Hélio Teixeira Prates, Paulo Afonso Viana, José Magid Waquil

Publikováno v: Pesquisa Agropecuária Brasileira, Vol 38, Iss 3, Pp 437-439 (2003)

A lagarta-do-cartucho do milho (Spodoptera frugiperda (J. E. Smith)) tem sido controlada com inseticidas sintéticos. Uma das caracteristicas do nim (Azadirachta indica A. Juss) é sua atividade inseticida contra pragas, como sucedâneo aos sintétic

Externí odkaz: https://doaj.org/article/2d8832364cdf42578e587994ba879f0a

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Survey of Beetles in Crop-Livestock-Forest Integration System in Southeast Brazil

Autor: Tatiana Rodrigues Carneiro, Paulo Afonso Viana, Igor Souza-Gonçalves

Publikováno v: Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA-Alice)
Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron:EMBRAPA

The aim of this study was to determine the main families of beetles occurring in an integrated crop-livestock-forest system, evaluating the influence of abiotic factors (average temperature and rainfall) in their distribution in Prudente de Morais re

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4b18d2a2fab47a4cc20ef58166a7d824
https://doi.org/10.31031/mcda.2020.06.000637

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Age Influence on Sexual Behavior of the Lesser Cornstalk Borer, Elasmopalpus lignosellus (Zeller) (Lepidoptera: Pyralidae)

Autor: Maria Carolina Blassioli-Moraes, José Alexandre Freitas Barrigossi, Raul Alberto Laumann, Miguel Borges, Paulo Afonso Viana, D. M. Magalhães, Evaldo F. Vilela, L M S Xavier

Publikováno v: Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA-Alice)
Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron:EMBRAPA

The objective of this work was to evaluate the reproductive behavior and response of Elasmopalpus lignosellus (Zeller) males to calling females. Frequency of mating was recorded in couples during the first 7 days of the adult stage. Calling behavior

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::458ada70ace57c860181ba3126994592
https://doi.org/10.1007/s13744-017-0527-x

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Variability in herbivore-induced signalling across different maize genotypes impacts significantly on natural enemy foragin behaviour

Autor: Paulo Afonso Viana, Jing-Jiang Zhou, Miguel Borges, Pedro H. C. Schimmelpfeng, M. J. Hassemer, Raul Alberto Laumann, M. F. F. Michereff, Maria Carolina Blassioli-Moraes, Paulo Eduardo de Aquino Ribeiro, Michael A. Birkett, John A. Pickett, Paulo Evaristo de Oliveira Guimarães, D. M. Magalhães

Publikováno v: Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA-Alice)
Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron:EMBRAPA

'Smart' plants that release volatile defence compounds in response to pest damage, and which recruit beneficial natural enemies, offer an opportunity for exploiting biological control in future crop protection strategies. Using six maize genotypes, Z

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9d382de98b7d197a05df96270ca39776

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Chemical Response of Maize Plants to Fall Armyworm Feeding Damage

Autor: Jacqueline A. Takahashi, Paulo Evaristo de Oliveira Guimarães, Paulo Afonso Viana, Paulo Eduardo de Aquino Ribeiro, Yuri Machado

Publikováno v: Revista Brasileira de Milho e Sorgo. 13:249-260

This work aimed at verifying the chemical response to Spodotera frugiperda associated to some selected genotypes resistant to this fall armyworm, subsidizing studies for improving commercial cultivars. Genotypes were grown and divided into two groups

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c23edd32fd0a2816f1b66b5235d2b44b
https://doi.org/10.18512/1980-6477/rbms.v13n3p249-260

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Identification of acetates in elasmopalpulus lignosellus pheromone glands using a newly created mass spectral database and kóvats retention indices

Autor: Gulab N. Jham, Alexsandro A. da Silva, Eraldo R. Lima, Paulo Afonso Viana

Publikováno v: Química Nova v.30 n.4 2007
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Química Nova, Vol 30, Iss 4, Pp 916-919 (2007)
Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA-Alice)
Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron:EMBRAPA
LOCUS Repositório Institucional da UFV
Universidade Federal de Viçosa (UFV)
instacron:UFV
Química Nova, Volume: 30, Issue: 4, Pages: 916-919, Published: AUG 2007

Based on a specially created mass spectral database utilizing 23 tetradecenyl and 22 hexadecenyl acetate standards along with Kóvats retention indices obtained on a very polar stationary phase [poly (biscyanopropyl siloxane)] (SP 2340), (Z)-9-hexade

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b2f8c1cbcbaa10252b21b6a392230c9a
https://doi.org/10.1590/s0100-40422007000400029

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Microbial activities in soils cultivated with transgenic maize expressing Bacillus thuringiensis Cry1 Ab and Cry1 F genes

Autor: Simone Martins Mendes, José Edson Fontes Figueiredo, Eliane Aparecida Gomes, Ivanildo Evódio Marriel, Christiane Abreu de Oliveira, Giovanna Moura Calazans, Rosângela Cristina Marucci, Paulo Afonso Viana, Lucy Seldin

Publikováno v: Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA-Alice)
Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron:EMBRAPA

The Brazilian acreage planted with genetically modified (GM) maize expressing Cry genes derived from the soil bacterium Bacillus thuringiensis (Bt) has increased from 4.9% (5.0 million hectares) of total area planted in 2009 to 81.4 % (15.83 million

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8087e406ae10cc4e68b256a259802fbb
http://www.alice.cnptia.embrapa.br/alice/handle/doc/1049248

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