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Low, medium and high densities of western flower thrips [Frankliniella occidentalis (Pergande)] were established in three greenhouses, in 1994 and 1995, to investigate the effects of thrips on growth, photosynthesis and productivity of greenhouse sweet pepper. Sweet pepper fruit was very susceptible to cosmetic injury which resulted in a reduction of the commercial grade of the fruit (quality). ...
In this review, studies in plant nutrition are classified according to their time scales and micro- or macroscopic level of approach. Short-time scale studies are mostly dealt by plant physiologists with the prospect of building mechanistic models. They describe elementary plant functions implicated in, or dependent on ion uptake, with the goal of explaining the mechanisms underneath the functions...
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