14Longan (Dimocarpus longan) is an important evergreen fruit crop grown in tropical and 15 subtropical climates, with a clear expanding potential, but with a poorly described phenology. In 16 this work, the different phenological growth stages of longan are characterized according to the 17 BBCH (Biologische Bundesanstalt, Bundessortenamt und Chemische industrie) scale. From 18 vegetative bud dormancy to fruit harvest, seven main growth stages are described for bud, leaf 19 and shoot development, inflorescence emergence, flowering, fruit development and fruit 20 maturity. Within them 41 secondary growth stages are described. The BBCH code will be an 21 important tool to assist the development and implementation of longan management protocols 22 and to standardize observations made in different edaphoclimatic and experimental conditions. 23 24
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