Formation pruning intensities and container volumes in the production of advanced sour passion fruit seedlings
2024
Fabio Feltrin Fabro | Henrique Belmonte Petry | Darlan Rodrigo Marchesi | Sergio Francisco Schwarz | Leonardo André Schneider
Abstract: The objective of this work was to evaluate the production of advanced seedlings of sour passion fruit (Passiflora edulis Sims.) in pruning intensities at different volumes of containers. The experiment was carried out in a production nursery, in Pedras Grandes, Santa Catarina state. The experimental design was a randomized block design and the treatments were arranged in a factorial scheme of five pruning intensities (control and pruning from the emission of 2, 4, 6, and 8 defined leaves) x 3 container volumes (1.0; 1.7 and 3.6 liters), with three replications and six plants per plot. The height and number of leaves (NF) of the seedlings were evaluated throughout the experiment and, at the end, the percentage of plants with a twisted root system (PSRE), root volume (VR), root dry mass (MSR), aerial part (MSPA) and total were measured (MST). The control treatment (without pruning) showed greater height, NF, MSPA and MST, regardless of container volume. The production of advanced sour passion fruit seedlings under pruning intensities reduced height, NF, MSPA and MST. Seedlings formed in larger volume containers provided greater height, NF, VR, MSR, MSPA and MST, in addition to the lowest PSRE. Therefore, pruning at an intensity of 6 leaves in a 1.7 liter container is recommended.
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