Feijoa sellowiana O. Berg é uma frutífera nativa de grande potencial cultivo, porém no Brasil existem poucos pomares em escala comercial. Uma das dificuldades à expansão da produção está vinculada a obtenção mudas clonais pela escassez protocolos eficientes para propagação vegetativa. Assim, o presente estudo teve como objetivo avaliar eficiência do antioxidante polivinilpirrolidona (PVP) na es...

Acca sellowiana (Myrtaceae), feijoa (in Brazil, goiaba da serra), is a native southern South America tree that produces edible fruits which, although only occasionally cultivated in South America, became a significant fruit crop in New Zealand. Recently, during surveys for fungal pathogens of feijoa in southern Brazil, several plants were found bearing tar-spot symptoms caused by a species of P...

To provide scientific and technological support for the smooth development of flowers, regulation florescence, cultural management, among others, this study analyzes corresponding relationship between bioclimatology characteristics growth, development, reproductive biology A. sellowiana. Berg (Feijoa). Therefore, through optimized paraffin sections, examined floral bud differentiation in five-y...

long exposure of uv radiation increases risk of skin diseases such as cancer and photoallergic reactions. uv-b (280-320 nm) radiation is mainly responsible for inducing skin problems. skin protection is a suitable method in the fight against ultraviolet radiation induced damage. various synthetic agents have been used as photo protective but because of their potential toxicity in humans, they h...