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Can source-sink relations explain responses of tobacco to infection by the root holoparasitic angiosperm Orobanche cernua?

J. Hibberd ; W. Quick ; M. Press ; J. Scholes | 1998

The achlorophyllous holoparasitic angiosperm Orobanche cernua reduced biomass accumulation of its tobacco host, such that 73-d-old plants achieved 29% of the biomass of control plants. The difference in biomass between infected and uninfected to[...]

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Mycorrhizal sink strength influences whole plant carbon balance of Trifolium repens L

D. Wright ; D. Read ; J. Scholes | 1998

A comparative analysis of daily carbon (C) budgets and aspects of the C physiology of clover (Trifolium repens L,) colonized by vesicular-arbuscular (VA) mycorrhizal fungi was carried out over a 70 d growth period under conditions designed to en[...]

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Solute fluxes from tobacco to the parasitic angiosperm Orobanche cernua and the influence of infection on host carbon and nitrogen relations

J. Hibberd ; W. Quick ; M. Press ; J. Scholes ; W. Jeschke | 1999

Orobanche species are holoparasites which are very efficient sinks for host-derived solutes. Here, we report the use of direct measurements of xylem sap solute concentrations and water fluxes, together with a modelling procedure to calculate ele[...]

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