Resistance elicitors on production and post-production performance of potted Lisianthus

Lisianthus is an important ornamental species, whose cultivation in pot still requires studies, mainly regarding the use of alternative management. Thus, the aim of this work was to evaluate the influence of resistance elicitors on the production and post-production quality of potted lisianthus.

Plants grown in pots were treated with two elicitors: (E1) phosphorylated mannano-oligosaccharide and (E2) citric bioflavonoids and phytoalexins, in the doses (D) of 1 and 2μL.L-1(E1D1 1μL.L-1, E1D2 2μL.L-1, E2D1 1μL.L-1, E2D2 2μL.L-1 and control), with 5 replications, in a completely randomized design. After opening the first flower buds, the plants remained in the greenhouse for 15 days, until they reached at least 3 open flowers, when were transferred to the room conditions (24 ± 2 oC and 72 ± 2%) for another 15 days. The application of elicitors did not influence the culture cycle or the size of the stem.

There was an increase, however, in the number of viable buds and open flowers, in addition to an increase in flower’s useful life paralleled to the reduction of senescent flowers, in relation to the control. The dose of 2μL.L-1 of the E2 kept the percentage of viable open flowers in relation to the control for at least another 5 days, reducing the percentage of senescent flowers. Together, with the application of the E2 elicitor in potted lisianthus, the viability of the flowers can be prolonged, maintaining quality and delaying senescence, and, in this way, increasing the market period.

Read the complete article at www.researchgate.net.

Dias, Márcia & Silva, Silvanda & Sousa, Alex & Dantas, Renato & Almeida, Vanessa & Cordeiro, Luciana. (2021). Resistance elicitors on production and post-production performance of potted Lisianthus. Revista Caatinga. 34. 31-38. 10.1590/1983-21252021v34n104rc. 


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