Leaching from the leaf surface and its significance for apoplastic ion balance

Pennewiß, Kerstin; Mühling, Karl H.; Sattelmacher, B.

doi:10.1007/978-94-009-0047-9_12

Cited by 5 publications

(8 citation statements)

References 7 publications

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“…, 1997). In our own experiments on the effects of misting on growth, large differences between plant species were observed: while Lupinus luteus responded with a dramatic increase in growth, in plants such as Gossypium hirsutum growth was impeded (Pennewiss et al. , 1997).…”

Section: The Apoplast Of Leaves – a Compartment Of Storage And Ofmentioning

confidence: 94%

“…, 1996; Zhao et al ., 2000); vs abscission of the entire leaf. While the relevance of most of these parameters for stress avoidance is well documented, the role of leaching from the leaf for apoplastic solute balance is still debatable (Pennewiss et al. , 1997).…”

Section: The Apoplast Of Leaves – a Compartment Of Storage And Ofmentioning

confidence: 99%

“…, 1990). Experiments with maize revealed a beneficial effect of leaching only at rather high concentrations of NaCl (Pennewiss et al. , 1997).…”

Section: The Apoplast Of Leaves – a Compartment Of Storage And Ofmentioning

confidence: 99%

“…The following mechanisms may contribute to the avoidance of toxic ion concentration in the leaf apoplast under such conditions, the relative significance varying with plant species as well as with the solute under consideration: removal from the equilibrium by precipitation as calcium oxalate either in the apoplast (Fink, 1992) or in the vacuoles of idioblasts (Ruiz & Mansfield, 1994); guttation (Zornoza & Carpena, 1992); leaching from the leaf apoplast (Arens, 1934); incorporation into the epidermis (Sangster & Hodson, 1986) and the trichomes (De Silva et al, 1996;Zhao et al, 2000); vs abscission of the entire leaf. While the relevance of most of these parameters for stress avoidance is well documented, the role of leaching from the leaf for apoplastic solute balance is still debatable (Pennewiss et al, 1997). Leaching from the leaf apoplast has attracted interest mainly in relation to forest decline (Mengel et al, 1987;Pfirrmann et al, 1990;Turner & Tingey, 1990) or nutrient cycling in nutrient-limited ecosystems (Tukey et al, 1964(Tukey et al, , 1988.…”

Section: Apoplastic Ion Balancementioning

confidence: 99%

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The apoplast and its significance for plant mineral nutrition

2001

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SummaryIt has only recently become apparent that the apoplast plays a major role in a diverse range of processes, including intercellular signalling, plant-microbe interactions and both water and nutrient transport. Broadly defined, the apoplast constitutes all compartments beyond the plasmalemma -the interfibrillar and intermicellar space of the cell walls, and the xylem, including its gas-and water-filled intercellular space -extending to the rhizoplane and cuticle of the outer plant surface. The physicochemical properties of cell walls influence plant mineral nutrition, as nutrients do not simply pass through the apoplast to the plasmalemma but can also be adsorbed or fixed to cell-wall components. Here, current progress in understanding the significance of the apoplast in plant mineral nutrition is reviewed. The contribution of the root apoplast to short-distance transport and nutrient uptakes is examined particularly in relation to Na + toxicity and Al 3+ tolerance. The review extends to long-distance transport and the role of the apoplast as a habitat for microorganisms. In the leaf, the apoplast might have benefits over the vacuole as a site for short-term nutrient storage and solute exchange with the atmosphere.

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Section: The Apoplast Of Leaves – a Compartment Of Storage And Ofmentioning

confidence: 94%

Section: The Apoplast Of Leaves – a Compartment Of Storage And Ofmentioning

confidence: 99%

“…, 1990). Experiments with maize revealed a beneficial effect of leaching only at rather high concentrations of NaCl (Pennewiss et al. , 1997).…”

Section: The Apoplast Of Leaves – a Compartment Of Storage And Ofmentioning

confidence: 99%

Section: Apoplastic Ion Balancementioning

confidence: 99%

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The apoplast and its significance for plant mineral nutrition

2001

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“…The significance of ion leaching from the leaf apoplast, through the cuticle, by rain, fog or dew (Tukey, 1970) is still unclear (Pennewiss et al, 1997). Control of the ion uptake is certainly achieved through restriction of the transpiration.…”

Section: Ion Retranslocation Allocation and Leachingmentioning

confidence: 99%

Salt Stress

DAJIC

2006

Physiology and Molecular Biology of Stress Tolerance in Plants

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The apoplast — its significance for the nutrition of higher plants

Sattelmacher

Mühling

Pennewiß

1998

J Plant Nutrition & Soil

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Since the fundamental work of the botanist Ernst Munch there has been a clear differentiation between a symplastic and an apoplastic compartment of plants, separated by the plasmalemma. In contrast to the symplast, the apoplast was considered as being dead and hence attracted little interest. It is not before the late seventies of this century that plant scientists realised that processes such as growth and differentiation as well as signal transduction may not be understood without accounting for apoplastic processes. Since then growing evidence has supported the view that apoplastic properties are of significance for such diverse processes as genotypic variation in nutrient efficiency and tolerance against adverse ion relations, for plant/microbe interaction, or for water and nutrient transport. In this contribution we review apoplastic properties and processes in relation to plant mineral nutrition. Examples are taken from work being conducted in the scope of the special research project of the German Research Foundation “The apoplast of higher plants: compartment for storage, transport and reactions” and especially from own work.

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Leaching from the leaf surface and its significance for apoplastic ion balance

Cited by 5 publications

References 7 publications

The apoplast and its significance for plant mineral nutrition

The apoplast and its significance for plant mineral nutrition

Salt Stress

The apoplast — its significance for the nutrition of higher plants

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