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Consortium of eucalyptus with forage sorghum in semiarid of Minas Gerais State Ciência Rural
Albuquerque,Carlos Juliano Brant; Silva,Sérgio Macedo; Luz,José Magno Queiroz; Zandonadi,César Henrique.
ABSTRACT: The objective was to estimate the wood yield and essential oil content in three clones of eucalyptus that were planted in four contrasting arrangements and intercropped with sorghum. Eucalyptus clones MA2001 (Eucalyptus camaldulensis x E. tereticornis), A144 (Eucalyptus urophylla x E. grandis), and GG100 (Eucalyptus urophylla x E. grandis), were planted in single rows (10x2m), double rows (2x3+15m and 2x3+20m); and, triple rows (2x3x2+10m) in a randomized, complete block design experiment with four replicates. Our results demonstrated that planting spacing did not influence the essential oil yield or diameter at breast height in the clones. However, higher density plantings were shown to result in higher fresh weight of branches and leaves per...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Row spacings; Clones; Forest; Integrated crop-livestock-forestry system (ICLF).
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782017001100301
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Ocimum basilicum essential oil combined with deltamethrin to improve the management of Spodoptera frugiperda Ciência e Agrotecnologia
Silva,Sérgio Macedo; Cunha,João Paulo Arantes Rodrigues da; Carvalho,Stephan Malfitano de; Zandonadi,César Henrique Souza; Martins,Rafael Castro; Chang,Roberto.
ABSTRACT For an important and expensive crop such as corn, the resistance of Spodoptera frugiperda J.E. Smith to various pesticides has led to research throughout the world for a potential insecticide from a natural source. For the management of pest resistance, natural compounds associated with synthetic insecticides can be a promising tool because they can reduce the application of the synthetics molecules while maintaining their effectiveness and promoting the control of the pests. Linalool is a potential insecticide that is easily obtained because it is found in high concentrations in the essential oil of Ocimum basilicum L. Therefore, the present study aimed to evaluate the toxicity of this essential oil and its combination with deltamethrin to...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Natural insecticides; Linalool; Fall armyworm; Pyrethroid; Synergism..
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542017000600665
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