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Registros recuperados: 15
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A genomic approach to characterization of the Citrus terpene synthase gene family Genet. Mol. Biol.
Dornelas,Marcelo Carnier; Mazzafera,Paulo.
Terpenes are a very large and structurally diverse group of secondary metabolites which are abundant in many essential oils, resins and floral scents. Additionally, some terpenes have roles as phytoalexins in plant-pathogen relationships, allelopathic inhibitors in plant-plant interactions, or as airborne molecules of plant-herbivore multitrophic signaling. Thus the elucidation of the biochemistry and molecular genetics of terpenoid biosynthesis has paramount importance in any crop species. With this aim, we searched the CitEST database for clusters of expressed sequence tags (ESTs) coding for terpene synthases. Herein is a report on the identification and in silico characterization of 49 putative members of the terpene synthase family in diverse Citrus...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Secondary metabolism; Flavor; Aroma; Plant protection; Terpene synthesis.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572007000500011
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Avaliação agrotécnica dos seringais Marathon, São Francisco e Santana, situados no município de São Francisco do Pará: relatório técnico. Infoteca-e
PINHEIRO, E.; SILVA, H. M. e; VIEGAS, I. de J. M.; VALENTE, M. A..
bitstream/item/190735/1/FL-01567.pdf
Tipo: Outras publicações técnicas (INFOTECA-E) Palavras-chave: Caracteristica agronomica; Sao Francisco do Pará; Pará; Brasil; Agronomic characters; Production data; Fisiologia Vegetal; Hevea Brasiliensis; Nutrição Vegetal; Produção; Seringueira; Solo; Amazonia; Plant nutrition; Plant physiology; Plant protection.
Ano: 1997 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/375569
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Controle de doenças de plantas com biofertilizantes. Infoteca-e
BETTIOL, W.; TRATCH, R.; GALVAO, J. A. H..
Métodos de produção de biofertilizantes; composição química; comunidade microbiana; efeito nutricional dos biofertilizantes; efeito de biofertilizantes sobre fitopatógenos; modo de ação dos biofertilizantes no controle de doenças de plantas.
Tipo: Circular Técnica (INFOTECA-E) Palavras-chave: Comunidade microbiana; Efeito nutricional; Controle de doencas; Biofertilizante; Composição química; Composto orgânico; Matéria orgânica; Adubo orgânico; Esterco; Doença de planta; Biofertilizers; Disease control; Plant protection.
Ano: 1998 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/13000
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Einzelbetrieblicher Umgang mit Dokumentationspflichten im Pflanzenschutz: Eine empirische Erhebung AgEcon
Battermann, Henning W.; Steinmann, Horst-Henning; Theuvsen, Ludwig.
Due to new legislation, contractual commitments and societal demands, the need to document production processes has been growing continuously for farmers. This is particularly so with regard to plant protection. In this study, we surveyed how 581 farmers from Lower Saxony meet the documentation requirements. Almost all farmers surveyed document their plant production including plant protection measures. The most striking differences can be observed with regard to documentation technologies and investments made. Factor and cluster analyses allowed the identification four groups of farmers with different motivations and attitudes towards existing documentation requirements.
Tipo: Journal Article Palavras-chave: Plant protection; Good farming practice; Lower Saxony; Environmental Economics and Policy; Farm Management.
Ano: 2008 URL: http://purl.umn.edu/97699
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First report of the citrus hindu mite, Schizotetranychus hindustanicus (Hirst) (Prostigmata: Tetranychidae), in Brazil Neotropical Entomology
Navia,Denise; Marsaro Jr,Alberto L.
The citrus Hindu mite, Schizotetranychus hindustanicus (Hirst), is reported for the first time in Brazil and for the second time in South America. Mite specimens were collected from citrus in the municipality of Boa Vista, State of Roraima, northern Brazil. Symptoms associated with S.hindustanicus infestations on citrus are described. The importance of avoiding dissemination of this mite to the main citrus production areas in Brazil is discussed.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Lemon; Spider mite; South America; Roraima; Plant protection.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2010000100021
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First report of the red palm mite, Raoiella indica Hirst (Acari: Tenuipalpidae), in Brazil Neotropical Entomology
Navia,D; Marsaro Jr,AL; Silva,FR da; Gondim Jr,MGC; Moraes,GJ de.
The presence of the red palm mite, Raoiella indica Hirst, is reported for the first time in Brazil. This invasive mite was found in July 2009 infesting coconut palms and bananas in urban areas of Boa Vista, State of Roraima, in northern Brazil. Comments on the possible pathways of R. indica into the country, present and potential impact of its introduction and mitigating measures to prevent or to delay the mite spread in Brazil are presented.
Tipo: Info:eu-repo/semantics/report Palavras-chave: Plant protection; Invasive species; Coconut; Banana.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2011000300018
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Group discussion on plant protection Thai Agricultural
Palavras-chave: Corn; Maize; Plant protection; Pathology; Entomology; ข้าวโพด; การอารักขาพืช; โรคพืช; กีฏวิทยา.
Ano: 1972 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/3911
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Implications of weeds of genus euphorbia for crop production: a review Planta Daninha
Tanveer,A.; Khaliq,A.; Javaid,M.M.; Chaudhry,M.N.; Awan,I..
The genus Euphorbia comprises about 2000 species ranging from annuals to trees, including C3, C4, and CAM species. Euphorbia species widely studied in agriculture includes E. antiquorum, E. carollata, E. dentata, E. dracunculoides, E. esula, E. geniculata, E. granulata, E. helioscopia, E. heterophylla, E. hierosolymitana, E. hirta, E. maculata, E. microphylla, E. nerifolia, E. piluifera, E. pulcherrima, E. royleana, E. supine, and E. thiamifolia. These species have been reported mainly in field crops/vegetables, orchards, pastures, and rangelands. Euphorbia plants may present allelopathic effect over desirable cereals, pulses, oilseeds, vegetables, forage plants, and nitrifying bacteria, posing a serious threat to livestock production on open range lands...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Competition; Allelopathy; Crops; Pastures; Livestock; Plant protection.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582013000300024
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Integrated pest management: a global reality? Anais da SEB
Kogan,Marcos; Bajwa,Waheed I..
The expression "Integrated Pest Management" (IPM or MIP in Portuguese) is completing 28 years since it first appeared in press. Since then integrated pest management or integrated pest control has become the paradigm of choice for activities that aim at attenuating the impact of all pests - plant diseases, weeds, and invertebrate or vertebrate animals - in agricultural production, in human and animal health, and in urban or rural structures. Despite the nearly universal acceptance of the concept, its practical application still is rather restricted, varying considerably among geopolitical regions, the nature of the crop, and, mainly, with the commitment and support of responsible governmental entities for programs dedicated to promote adoption of IPM. An...
Tipo: Info:eu-repo/semantics/article Palavras-chave: History; Ecological basis; Plant protection; Control tactics; Implementation.
Ano: 1999 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0301-80591999000100001
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Interoperability of Knowledge Units in Plant Protection: Case Studies AgEcon
Berankova, Martina; Houska, Milan; Kvasnicka, Roman.
In this work, we provide two case studies on interoperability and transfer of knowledge in the environment of a company dealing with plant protection. We find that the area of plant protection is highly oriented on working with knowledge. In this case interoperability of knowledge can play an important role in acquiring knowledge from different environments to solve specific problem in companies dealing with plant protection. Nevertheless, the concept of interoperability is well-developed on the level of data and information only. We stem from our previous works, where we defined a logical concept for the interoperability of knowledge on the level of knowledge units. The objective of this work is to show how to apply our process model of knowledge...
Tipo: Journal Article Palavras-chave: Interoperability; Knowledge transfer; Plant protection; Knowledge unit; Process model; Environmental Economics and Policy; Teaching/Communication/Extension/Profession; GA; IN.
Ano: 2010 URL: http://purl.umn.edu/99226
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Locust Control in Transition: The Loss and Reinvention of Collective Action in Post-Soviet Kazakhstan Ecology and Society
Toleubayev, Kazbek; Wageningen University, The Netherlands; Kazbek.Toleubayev@wur.nl; Jansen, Kees; Wageningen University, The Netherlands; Kees.Jansen@wur.nl; van Huis, Arnold; Wageningen University, The Netherlands; Arnold.vanHuis@wur.nl.
The inability to organize collective action for pest control can lead to severe problems. This paper focuses on the locust management system in Kazakhstan since the formation of the Soviet State. During the Transition Period after the collapse of the Soviet Union, the Plant Protection Service disintegrated. The principles of central planning were replaced with individualistic approaches with little state involvement in pest control activities or pesticide regulation. The financial and ideological reasons for dismantling the existing pest control system did not recognize the potential impact that policy-induced changes in agro-ecological conditions and control practices would have on pest development. Nature hit back at the induced institutional change that...
Tipo: Peer-Reviewed Synthesis Palavras-chave: Collective action; Institutional change; Kazakhstan; Knowledge; Land use; Locust; Plant protection; Public good; Soviet Union; Transition period..
Ano: 2007
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Occurrence and structure of extrafloral nectariesin Pterodon pubescens Benth. and Pterodon polygalaeflorus Benth. PAB
Paiva,Élder Antônio Sousa e; Morais,Helena Castanheira de; Isaias,Rosy Mary dos Santos; Rocha,Dulce Maria Sucena da; Oliveira,Paulo Eugênio.
Extrafloral nectaries (EFNs) are structurally variable and widely spread among the angiosperms. The occurrence of EFNs in leaves of Pterodon polygalaeflorus Benth. and Pterodon pubescens Benth. (Fabaceae: Papilionoideae) were detected in adult specimens, at the time of production of new buds and flowers. The goals of the present study are to register the occurrence of the EFNs in P. pubescens and P. polygalaeflorus, and provide comparative data on the anatomical structures. The EFNs occur in the rachis and are located under the insertion of each petiolule. Each nectary consists of a small elevation whose apical portion is deeply invaginated, resulting in a depression (secretory pole), a common characteristic of both species. Unicellular, nonglandular...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Nectaries; Plant anatomy; Plant secretions; Nectar; Plant protection; Herbivores; Plant animal relations.
Ano: 2001 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2001000200002
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Quarantine facilities and legal issues of the use of biocontrol agents in Brazil PAB
Sá,Luiz Alexandre Nogueira de; Pessoa,Maria Conceição Peres Young; Moraes,Gilberto José de; Marinho-Prado,Jeanne Scardini; Prado,Simone de Souza; Vasconcelos,Rosa Miriam de.
Abstract: The objective of this work was to address the classical biological control of pests in Brazil, regarding procedures to import and export native biological material. A brief introduction will be given on the current legal issues on the use of biocontrol agents, as well as some considerations on the existing quarantine pests and actions already carried out in the country. The safety in the introduction of exotic organisms is important for Brazilian phytosanitary defense and for a higher adoption of classical biocontrol, making it available for integrated pest management (IPM). Legal and normative aspects establish the procedures that must to be adopted, not only to protect bioprospecting and native organisms, but also to minimize risks to the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Biological control; Plant protection; IPM; Legal issues; Natural enemies..
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2016000500502
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Use of the arbuscular mycorrhizal fungus Glomus intraradices as biological control agent of the nematode Nacobbus aberrans parasitizing tomato BABT
Marro,Nicolás; Lax,Paola; Cabello,Marta; Doucet,Marcelo Edmundo; Becerra,Alejandra Gabriela.
The plant-parasitic nematode Nacobbus aberrans is an endoparasite that induces gall formation in the roots and causes severe losses to diverse crops. Some populations of this nematode show preference for certain hosts, revealing the existence of "races/groups" with different behaviour and making nematode management difficult. A possible biological control alternative to reduce the damage caused by this species may be the use of arbuscular mycorrhizal fungi (AMF). In the present work, the effect of Glomus intraradices on tomato plants inoculated with the nematode at transplanting and three weeks later was tested. At 60 days, the following parameters were estimated: percentage of AMF colonization, root and aerial dry weight, number of galls and egg masses,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Arbuscular mycorrhiza; False root-knot nematode; Microbiological control; Plant protection.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132014000500668
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節能減碳下植物防疫的方向與展望 Taiwan Agricultural Research Institute
郭克忠; 陳保良; 劉天成; 蔡偉皇; Kuo, K. C.; Chen, P. L.; Liu, T. C.; Tsai, W. H..
[[abstract]]節能減碳下的植物防疫工作,最顯著的便是有效減少農藥的使用量。從行政管理面而言,農藥減量有賴三項極為重要工作的落實,分別是:疫情監測、疫情管理及農藥管理。疫情監測主要在建立完善的疫情監測體系,以有效掌握國內重大疫情的發生時空分布,並事先提出預警,使各級政府組織、鄉鎮公所農會及農民可以從容因應。疫情管理則依疫情的危害程度、作物的經濟價值不同而區分為共同防治、官方防治、一般防治及緊急防治等事項。農藥管理則是周延法制工作,確保農藥生產自工廠到消費者皆能有一透明並有效的管理機制,並逐步改善業者經營環境,提升生產效能,逐步禁絕劇毒農藥,並朝低毒高效產品的方向發展。 The most important achievement of the plant protection under energy saving and carbon reduction will be to reduce the use of the pesticides. From the administration point of view, following three aspects are crucial for a good success of the pesticide reduction. There are: pest monitoring, pest management and pesticide regulation. Pest monitoring covers both quarantine pests and domestically important pests such as apple codling moth, western flower thrip, diamond back...
Palavras-chave: 節能減碳; 植物防疫; 農藥減量 節能減碳與作物病害管理研討會專刊 energy saving; Carbon reduction; Plant protection; Pesticide reduction Proceedings of Symposium on Plant Disease Management in the Era of Energy-Saving and Carbon Reduction [[classification]]10.
Ano: 2008
Registros recuperados: 15
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