The guava (Psidium guajava 1.) cv. Paluma has been cultivated in Sao Francisco Valley, Northeastern of Brazil, for in natura consumption and processing purposes. In spite of its importance, there are few scientific knowledge regarding guava physiology, nutrition, irrigation and…

RESUMO: Por reunirem constituições genéticas de diferentes origens e níveis de melhoramento, os bancos de germoplasma podem constituir-se em ótimas fontes de genes para programas de melhoramento. Para tanto, é fundamental que o melhorista conheça profundamente o germoplasma disponível em…

Considering the importance of the debate on the topic of disasters related to landslides, flooding and technological risks, under international and more recently in Brazil, this work analyzes the situations of vulnerability risk areas on the Northern Coast of São…

Asian soybean rust caused by Phakoprsora pachyrhizi is one of the most important diseases for soybean cultivation. The disease causes yield loss as high as 80%. Until now, fungicide applications were most reliable control measure. However, farmers often lose timing…

Human and social studies on emotions are diversely interested in the reality emotions signify. Within this field, the discourse analysis approach focuses its attention on the linguistic expression of emotions and cannot thus extend its evaluation on psychological or sociological…

2007

2008

Los hidrocarburos aromáticos policíclicos (HAP’s) son compuestos claves en la determinación de la contaminación petrolera. Muchos de ellos son tóxicos y cancerígenos para los organismos vivos. En los ecosistemas acuáticos los HAP’s se incorporan a la biota del entorno y…

2007

2007