Results 11 to 20 of about 1,232 (107)
Abstract Restoring the degraded Atlantic Forest is one of the biggest conservation challenges in Brazil. In a biome with high human presence, understanding the potential for restoration approaches, such as agroforestry, to provide benefits to smallholder farmers and biodiversity is essential in developing equitable restoration strategies.
Yara Shennan‐Farpón +3 more
wiley +1 more source
Divergent leaf shapes among Passiflora species arise from a shared juvenile morphology
Abstract Not only does leaf shape vary between Passiflora species, but between sequential nodes of the vine. The profound changes in leaf shape within Passiflora vines reflect the temporal development of the shoot apical meristem from which leaves are derived and patterned, a phenomenon known as heteroblasty.
Daniel H. Chitwood, Wagner C. Otoni
wiley +1 more source
Qualidades de mudas de alfaces crespas e tomateiro-cereja em substratos com rejeito de mica
Este trabalho objetivou avaliar o efeito de diferentes proporções de mica e substrato comercial na produção de mudas de alfaces (Lactuca sativa L.) e tomateiro-cereja (Lycopersicon esculentum var. Cerasiforme).
Vitória Régia Araújo da Costa +3 more
doaj +1 more source
Contaminação da microbacia de Caetés com metais pesados pelo uso de agroquímicos [PDF]
Com o objetivo de avaliar a contaminação do solo, sedimentos, água e plantas por metais pesados, decorrente do uso de agroquímicos, na microbacia de Caetés em Paty do Alferes, RJ, amostras de solo foram analisadas, em 1996, para obter os teores totais de
JAIR FELIPE GARCIA PEREIRA RAMALHO +2 more
doaj +1 more source
Growth and yield of potato genotypes in the Brazilian Midwest
The knowledge of the plant growth pattern under specific climatic conditions (growth curve) is the basis for exploiting the maximum yield potential of potato genotypes.
Gabriel Emiliano Pereira +4 more
doaj +1 more source
The objective of this study was to evaluate the influence of both sprinkler and drip irrigation systems on the organic production of the tomato, cultivar Duradouro, when cultivated both as a single crop and intercropped with coriander. The experiment was
Waldir Aparecido Marouelli +4 more
doaj +1 more source
Várias espécies de hortaliças são de muita importância para a alimentação humana e tornam-se alvos da deriva de herbicidas, pois comumente são cultivadas nas proximidades de culturas como arroz, soja e milho, pulverizadas com esses produtos.
R.P. Rogoli +3 more
doaj +1 more source
O objetivo do estudo foi avaliar a produção de mudas utilizando doses de substrato vermicomposto. O experimento foi instalado em delineamento inteiramente casualizado, em esquema fatorial 5x2, com cinco concentrações do substrato (0, 25, 50, 75 e 100 ...
Julio Cesar Gradice Saluci +9 more
doaj +1 more source
Ethephon Promotes Sprouting and Increases Vigor in Yam Seed‐Tubers
The yam (Dioscorea alata L.) is of social and economic relevance for small farmers in Northeast Brazil, but its cultivation is hindered by the low quality of propagative material and a long dormancy period exceeding 90 days. This study evaluated the effect of Ethephon doses and different tuber segments of the São Tomé variety on sprouting and seedling ...
Lucas Kennedy Silva Lima +4 more
wiley +1 more source
Groundnut Ringspot Orthotospovirus: An Emerging Problem for Soybean Production in São Paulo State
Groundnut ringspot orthotospovirus is widely distributed in soybean fields in São Paulo State and is transmitted by thrips and, rarely, via seeds; it is a threat to soybean production with implications for virus spread and management. ABSTRACT Orthotospoviruses affect vegetable, leguminous and ornamental plants globally and are transmitted by thrips ...
Juliana Uzan +8 more
wiley +1 more source

