ECOFISIOLOGIA VEGETAL LARCHER PDF DOWNLOAD

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Recommended articles Citing articles 0. Abstract The aim of this study was to investigate the effects of predicted temperature increases and drought conditions of Mediterranean eccofisiologia on N 2 -fixing alfalfa plants.

Pereskia aculeata and Pereskia grandifolia have been studied widely due to their high nutritional and therapeutic values.

However, little is known about the biological requirements of their seeds for the various germination factors. The aim of ecofisiologia vegetal larcher pdf download study was to investigate the effects of predicted temperature increases and drought conditions of Mediterranean environments on N 2 -fixing alfalfa plants.

The inhibitory effect of elevated temperature on plant growth was a consequence of dowbload CO 2 and N 2 fixation rates.

An absence of differences in photosynthesis in relation to water availability suggests that drought decreased plant growth due to its negative effect on leaf area.

Abstract Pereskia aculeata and Pereskia grandifolia have been studied widely due ecofisiologia vegetal larcher pdf download their high nutritional and therapeutic values. After verification of the existence of differences in the performance of germination, a non-linear regression was carried out, relating the germination to temperature and identifying its point ecofisiologia vegetal larcher pdf download maximum efficiency.

Elevated temperature inhibited nodule activity drastically, whereas the inhibitory effect resulting from drought centred on nodule dry mass DM veggetal. Elevated temperature and drought reduced plant dry mass and leaf area, especially when both stresses were combined. Rising temperature and drought affected the nitrogen content negatively, although effects differed. A photosynthetic decrease resulted from the inhibition of rubisco activity, probably associated with a lower activation state.

Recommended articles Citing articles 0. The results obtained from the germination of P. Percentage germination and relative germination frequency were calculated for seeds of P. Souza a Bruno F. Plants exposed to a combination of elevated temperature and drought were the most negatively affected.

The germination performance in function of the germination temperature could be described by the Weibull distribution model. Graphical abstract Download full-size image.

Check if you have access through your login credentials or your institution. Check if you have access through your login credentials or your institution. The best germination response of the P. The results obtained in this study may be useful for future propagation ecofisiologia vegetal larcher pdf download management programs of both edible species.

Lopes b Ingrid B.

Gasparetto b Rodrigo R.