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| Silva,Paulo Sérgio Lima e; Tomaz,Francisco Linco de Souza; Siqueira,Patrícia Liany de Oliveira Fernandes; Silva,Paulo Igor Barbosa e; Lima,Levi Afonso Cavalcante de. |
| ABSTRACT Bird attacks on the sunflower may hinder its exploitation in the Brazilian semi-arid region. The aim of this study was to evaluate the effects of different levels of protection (0, 33, 66 and 100%) of the capitula of eight sunflower cultivars, evaluated in randomized blocks with sub-divided plots and four replications. The cultivars were allocated in the plots and the levels of protection in the sub-plots, by covering the capitula with caps of non-woven fabric after physiological maturity. The most frequent bird species was the Paroaria dominicana. The Aguará 06 cultivar was the most productive and most tolerant to bird attack, followed by the Helio 250, CF 101 and Charrua cultivars. There was a positive correlation between yield loss (YL) due to... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Helianthus annuus; Paroaria dominicana; Protection of capitula; Phenotypic correlation; Genetic improvement. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902019000100114 |
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| Silva,Paulo Sérgio Lima e; Oliveira,Vianney Reinaldo de; Silva,Paulo Igor Barbosa e; Chicas,Larissa da Silva; Tomaz,Francisco Linco de Souza. |
| ABSTRACTCultivating maize under systems of alley cropping results in improvements to the soil, a reduction in weeds and an increase in yield. Studies using ground cover from tree shoots produce similar results. The aim of this study was to evaluate the effects on weed growth and maize yield of ground cover made up of 30 t ha-1 (fresh matter) of branches from the tree species: neem (Azadirachta indica A. Juss), gliricidia [Gliricidia sepium(Jacq.) Kunth ex Walp.], leucaena [Leucaena leucocephala (Lam.) de Wit.] and sabiá (Mimosa caesalpiniifolia Benth.). Two treatment groups (cultivars and weed control) were evaluated. The cultivars AG 1041 and AL Bandeirantes were subjected to the following treatments: no hoeing, double hoeing, and ground a cover of... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Zea mays; Azadirachta indica; Gliricidia sepium; Leucaena leucocephala; Mimosa caesalpiniifolia; Hoeing; Green corn. |
| Ano: 2015 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902015000400809 |
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