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Frost susceptibility and capacity for regeneration in apple and pear trees

, : Frost susceptibility and capacity for regeneration in apple and pear trees. Schweiz, landw. Forsch, 5: 268-302

Observations made following the severe winter of 1962-63 showed that hardiness was not a purely varietal character but changed with the age of the tree, was strongly influenced by the rootstock at the nursery stage and was affected by meteorological conditions and pruning.


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Achenbach, S.; Paul, J-François.; Laurent, Fçois.; Becker, H-Christoph.; Rengo, M.; Caudron, J.; Leschka, S.; Vignaux, O.; Knobloch, G.; Benea, G.; Schlosser, T.; Andreu, J.; Cabeza, B.; Jacquier, A.; Souto, M.; Revel, D.; Qanadli, S.Dine.; Cademartiri, F., 2016: Comparative assessment of image quality for coronary CT angiography with iobitridol and two contrast agents with higher iodine concentrations: iopromide and iomeprol. A multicentre randomized double-blind trial. To demonstrate non-inferiority of iobitridol 350 for coronary CT angiography (CTA) compared to higher iodine content contrast media regarding rate of patients evaluable for the presence of coronary artery stenoses. In this multicentre trial, 452 p...

Johnston, D., 1980: The control of pulse transit time independently of interbeat interval by providing feedback from both. Sixteen subjects took part in a two-stage cardiovascular biofeedback experiment. For five sessions all subjects attempted to control their pulse wave transit time (TT), using TT feedback. The eight subjects who achieved control were given a furthe...