Inicio  /  Agronomy  /  Vol: 14 Par: 1 (2024)  /  Artículo
ARTÍCULO
TITULO

Effects of Pre-Germinative Treatments and Temperatures on Tassel Hyacinth [Muscari comosum (L.) Mill.] Seeds

Donato Castronuovo    
Loriana Cardone and Vincenzo Candido    

Resumen

Muscari comosum (L.) Mill. is a spontaneous plant that grows in the whole Mediterranean area, including the Basilicata and Puglia regions (southern Italy), where it has received inclusion in the Italian National List for Traditional Agri-Food Product (TAP). The food and medicinal uses of bulb are ancient due to its antioxidant properties and high variety of nutrients, such as starch, sugars, and minerals. Muscari seed is characterized by morpho-physiological dormancy, and in order to achieve uniform germination, some pre-germinative treatments are needed. In this research, the effects of hydro-priming and osmo-priming, i.e., PEG 8000 and KNO3, as well as three germination temperatures (4, 10, and 20 °C), have been evaluated. In general, the average results pointed out that the pre-treatments increased the germination index (GI) by 5% and the germination percentage (GP) by 3% compared to the no-primed control. The germination temperature of 10 °C significantly reduced the median germination time (T50) by 5.4 days and the mean germination time (MGT) by 5 days compared to temperature at 4 °C. In particular, the best results were obtained by ?hydro-priming treatment × 10 °C? interaction, in terms of T50 (34.9 days) and MGT (36.3 days). This combination decreased the T50 by 10.5 days and the MGT by 9.6 days compared to the ?control × 4 °C? interaction. Pearson?s correlation matrix results highlighted a significant positive link between T50 and MGT (r = 0.993). In conclusion, these techniques enhanced the germination potential so that the use of pre-treated seeds could be included in a cultivation protocol to improve the germination phase and satisfy the growing demand for Italian bulbs.

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