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Final report COST action 729 : assessing and managing nitrogen fluxes in the at...

O contributo do Jardim Botânico de Lisboa para a Estratégia Global para a Conse...

Functional aspects of root architecture and mycorrhizal inoculation with respe...

ACESSO via B-on: http://dx.doi.org/10.1007/s00572-003-0254-5 ; The aim of this research was to investigate theeffect of arbuscular mycorrhizal (AM) colonisation onroot morphology and nitrogen uptake capacity of carob(Ceratonia siliqua L.) under high and low nutrientconditions. The experimental design was a factorialarrangement of presence/absence of mycorrhizal fungusinoculation (Glomus intraradices) and high/...

Propagação de sobreiros : que futuro?

Efeito da concentração de cálcio no crescimento de plântulas de alfarrobeira

Comunicação apresentada no I Congresso Ibérico de Ciências Hortícolas, 18 a 21 de Junho de 1990 em Lisboa. ; The effect of increasing Ca+2 concentration in nutrient solutions containing different NO3-/NH4+ ratios on carob plants was assessed on growth rate chlorophyll content and gas exchange. A significant increase on growth was observed when increasing Ca+2 concentration from 3 to 6 mM in media containing ni...

Cytophotometric contribution to the knowledge of ceratonia siliqua seed develop...

Cytophotometric analysis of nuclear DNA content in differen áreas of young Ceratonia siliqua seeds were made. The relative DNA amount in 50 interphase nuclei per each area were determined using a Vickers M 85 cytodensitometer. The frequency distribuition of DNA content in individual nuclei falls in the 2C and 4C classes, with the predominance of 2C nuclei. The DNA content of normal endosperm nuclei range from 2...

Ecotypic variation in Lobularia maritima (L) desv