Results 101 to 110 of about 3,358 (207)

Spring water stress in Scots pine [PDF]

open access: yes, 2003
Water use and net carbon assimilation during spring was examined on Scots pine trees exposed to different soil warming dynamics in the field. Sap flow, needle water potential and net carbon assimilation were measured on trees that were exposed to a wide ...
Mellander, Per-Erik
core  

Reexamination of silicon effects on rice growth and production under field conditions using a low silicon mutant [PDF]

open access: yes, 2008
Silicon (Si) is a beneficial element for healthy growth and high and sustainable production of rice, but the mode of action of the beneficial effects has not been well understood.
E Epstein   +18 more
core   +1 more source

Structural adaptations of two sympatric epiphytic orchids (Orchidaceae) to a cloudy forest environment in rocky outcrops of Southeast Brazil

open access: yesRevista de Biología Tropical, 2013
The survival of plants in epiphytic environments depends on vegetative adaptations capable to defraud different stresses. Based on the structural diversity of the Orchidaceae, the current study has the objective of relating the anatomical structure of ...
Ana Sílvia Franco Pinheiro   +2 more
doaj  

Variaciones anatómicas en las raíces aéreas cortas de Oenocarpus bataua (Arecaceae)

open access: yesRodriguésia
Resumen Se describe la anatomía de las raíces aéreas cortas de Oenocarpus bataua que surgen desde la base del tallo hasta aproximadamente 80 cm por encima del nivel del suelo, comparando esta estructura entre especímenes a diferentes distancias de sus ...
Lorena Isabel Guevara Orozco
doaj   +1 more source

Aerial Roots of Ficus microcarpa [PDF]

open access: yes, 2015
This article reports on a study to investigate the nature of aerial roots in Chinese banyan trees, Ficus microcarpa L.f. and the common belief that their presence and growth is associated with wet atmospheric conditions. First, the form and distribution
Li, W, Pryor, MR
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Biochemical and Molecular Studies of Active and Passive Defense Systems in Musa Acuminata L. Cv. ‘Jari Buaya’ [PDF]

open access: yes, 2006
Fusarium wilt incidence constitutes one of the major constraints in the development of sustainable banana industry in the country. To date, a cost-effective measure of control for this disease is still not available and farmers are still depending ...
Way, Chiang Poh
core  

Comparative Anatomy of Maize and its Applications

open access: yesInternational Journal of Bio-Resource and Stress Management, 2011
The present study reveals that there are large variations in anatomy of maize genotypes, which help in selecting drought tolerance lines, stem borer resistant as in tropical re­gion.
R. K. Maiti   +5 more
doaj  

Arbuscular mycorrhizae and dark-septate endophytes on Atriplex cordobensis in saline sites from Argentina [PDF]

open access: yes, 2012
Atriplex cordobensis occurs in salt works and saline soils of northern and central Argentina and is utilized as a forage source; however the mycorrhizal status of this salt bush is unknown.
Becerra, Alejandra Gabriela   +3 more
core  

Anatomia radicular ao longo dos ciclos de seleção do milho Saracura sob alagamento intermitente do solo. [PDF]

open access: yes, 2012
Este trabalho foi realizado com o objetivo de caracterizar as modificações nas estruturas anatômicas radiculares em sucessivos ciclos de seleção (ciclo 1 ao ciclo 18 alternados) do milho Saracura BRS 4154 sob encharcamento do solo.
CASTRO, E. M. de   +4 more
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The effect of flooding on the exchange of the volatile C₂-compounds ethanol, acetaldehyde and acetic acid between leaves of Amazonian floodplain tree species and the atmosphere [PDF]

open access: yes, 2008
The effect of root inundation on the leaf emissions of ethanol, acetaldehyde and acetic acid in relation to assimilation and transpiration was investigated with 2–3 years old tree seedlings of four Amazonian floodplain species by applying dynamic cuvette
Junk, W.   +6 more
core  

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