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Leaf tissues proportion and chemical composition of Axonopus jesuiticus x A. scoparius as a function of pig slurry application Ciência Rural
Lajús,Cristiano Reschke; Miranda,Mário; Basso,Simone Meredith Scheffer; Carneiro,Cercí Maria; Escosteguy,Pedro Alexandre Varella.
This study aimed to evaluate the chemical and anatomical attributes of leaves of giant missionary grass to application of 0, 62, 124, 186, 248 and 310m³ ha-1 of pig slurry. At 83 days after the last application of fertilizer, the leaf blades were collected, fixed in FAA 70%, sectioned, stained, photographed and digitalized. The transversal section of leaf blades were evaluated for proportion of epidermis, lignified vascular tissue + sclerenchyma, non-lignified vascular tissue and parenchyma with an image-processing system calibrated to 1mm pixel-1. Leaf samples were analyzed for crude protein, acid detergent fiber, neutral detergent fiber and hemicellulose content by near infrared reflectance spectroscopy. The pig slurry application up to 310m³ ha-1...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Crude protein; Epidermis; Fiber; Lignified vascular tissue + sclerenchyma; Parenchyma.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782014000200013
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Phenotypic variability in a population of globe artichoke Ciência Rural
Costa,Angélica Reolon da; Basso,Simone Meredith Scheffer; Grando,Magali Ferrari; Cravero,Vanina Pamela.
The existence of variability is a prerequisite for genetic improvement in plants. Globe artichoke is a high nutritious vegetable with medical value, representing a profitable alternative for rural producers. This research was conducted with the aim of evaluating the phenotypic variability in a commercial cultivar of artichoke (Cynara cardunculus var. scolymus L) established from seeds. Field plants were assessed when primary head reached commercial stage. An amount of 21 quantitative and 5 multicategoric characters were assessed. The quantitative data were submitted to multivariate analysis. For quantitative characters the distance between individuals varied from 3.0 to 50.9, revealing high intrapopulation variability. The greater relative contribution...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cynara cardunculus var. scolymus L; Multivariated analysis; Genetic breeding..
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782014001102003
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