Abstract
The objective of this study was to evaluate the production of seedlings of Physalis L. species under different-colored shade nets. Four shade nets individually stained white, blue, red and black, all with 50% shading, were used in this study, and an additional treatment (control) was used in which seedlings were grown in full sun. The study examined four species of Physalis, namely, P. peruviana, P. pubescens, P. minima and P. ixocarpa. The experiment followed a randomized block design with three blocks and 25 seeds per plot. The species were sown in styrofoam trays. Germination was monitored daily to calculate the Emergency Velocity Index (EVI) and stabilize the overall percentage of emergence. Height, stem diameter, number of leaves, leaf area index and dry mass of seedlings were assessed at 50 days after sowing. The study found that these species react differently to changes in the light spectrum. Seedlings of P. peruviana should be grown under a white or red shade net; of P. pubescens under a white or black shade net; of P. minima under a white, red or black shade net; and of P. ixocarpa under a white shade net. For all species, 50% shade should be used.
Highlights
Physalis, commonly known as fisális in Brazil and as Physalis in English, is a genus comprising more than over one hundred species
Among the Physalis species whose fruits, which are rich in compounds beneficial to human health, have potential as food are Physalis peruviana L., Physalis pubescens L., Physalis minima L. and Physalis ixocarpa Brot
The results showed significant interaction for the variables emergence speed index (ESI), height, stem diameter, number of leaves and total dry mass
Summary
Commonly known as fisális in Brazil and as Physalis in English, is a genus comprising more than over one hundred species. Belonging to the family Solanaceae these species are characterized by a permanent and inflated calyx that surrounds and protects the fruit against herbivores and weather. Among the many species of the genus, some have potential for agronomic exploitation due to their. Agronomy nutritional and medicinal compounds, known for some time in popular culture and, more recently, through studies by researchers from several institutions (Silva et al, Villa, Barp, Rotili, & Stumm, 2013; Muniz et al, 2014). Among the Physalis species whose fruits, which are rich in compounds beneficial to human health, have potential as food are Physalis peruviana L., Physalis pubescens L., Physalis minima L. and Physalis ixocarpa Brot.
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