Keywords
BBCH scale
phenology
Cannabis
How to Cite
Abstract
Studies on the phenology of Cannabis sativa L. are vital because they are an excellent tool for crop management practices, such as fertilizer application, pest and disease management, and determining the adaptations needed for crop cultivation under different climatic conditions. Phenology studies the occurrence of phases in the life cycle of plants; therefore, for determining the moments of phenological events, it is necessary to use tools facilitating the process of interpreting the information taken in the field; accordingly, the BBCH scale was adapted to determine the phenological phases taking into account the days after transplantation. The work's objective was to evaluate the phenology of ten Cannabis sativa L. genotypes to identify the genotypes with the best performance under greenhouse conditions in Palomino. The variables considered were: plant height, number of sprouts, number of inflorescences, harvest index, and yield expressed in dry flower quantity. Height, sprout, and inflorescence data were recorded three times a week for ten weeks, and at week ten, the final height was quantified. Harvest index and yield were estimated at harvest time. The statistical design was completely randomized, with ten treatments and six repetitions per treatment. The results showed that of 58 phenological stages defined for Cannabis in an asexual cycle, only 19 stages are evaluated. In addition, with data collected on height gain, sprouts, and inflorescences, allows the prediction of the higher-yielding genotypes. The dry flower yield is influenced by the length of the plant, number of buds, and number of inflorescences; likewise, the harvest index proved to be a good indicator when determining the performance of each genotype. The genotype best adapted to the climatic conditions of the trial area was PS111 due to height, the number of vegetative sprouts, inflorescences, and yield.References
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