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Fig. 3 | Annals of Forest Science

Fig. 3

From: Chilling temperature and photoperiod influence the timing of bud burst in juvenile Betula pubescens Ehrh. and Populus tremulaL. trees

Fig. 3

Percentage of bud burst in Betula pubescens (a, b) and Populus tremula (c, d) clones against number of days after transfer into experimental conditions in experiment 2; a, c 16 h daylength; b, d 10 h daylength. Heavy eight-pointed rectilinear black star, minimal chilling; empty circle, intermediate chilling; black down-pointing small triangle, maximal chilling

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Annals of Forest Science

ISSN: 1297-966X