Abstract
ABSTRACT The Barbados gooseberry crop has agricultural potential, but little information is available regarding cropping practices. More information on weed interference in Barbados gooseberry will support growers to take weed management decisions. The objective of this work was to study initial growth and development of Barbados gooseberry under the interference of weeds. The experiment was conducted in a completely randomized design, with five treatments, composed of Barbados gooseberry in competition with four weed species: slender amaranth (Amaranthus viridis), hairy beggarticks (Bidens pilosa), Benghal dayflower (Commelina benghalensis), purple nutsedge (Cyperus rotundus), and a weed-free control, with six replicates. Weed competition led to a decrease in growth and development of Barbados gooseberry reflected in a reduction of up to 40% in yield and 23% in protein content. Additional work must be conducted evaluating these findings under field conditions, using different seedling production and planting techniques potentially affecting these results.
Highlights
Atualmente o ora-pro-nobis é apontando como cultura de potencial agrícola, porém com poucas informações sobre seu manejo agronômico
Treatments were composed of Barbados gooseberry in competition with four weed species: slender amaranth (Amaranthus viridis), hairy beggarticks (Bidens pilosa), Benghal dayflower (Commelina benghalensis), purple nutsedge (Cyperus rotundus), and a weed-free control
Weed competition with Barbados gooseberry and other crops is due to factors such as competition for space, water, light, and nutrients, and potential negative allelopathic effects (Andrade et al, 2009; Silva & Silva, 2012)
Summary
Atualmente o ora-pro-nobis é apontando como cultura de potencial agrícola, porém com poucas informações sobre seu manejo agronômico. In Brazil, this crop is widely distributed, from Bahia to Rio Grande do Sul state (Pinto et al, 2015) This plant is a climbing cactus and conducted as a vine. Added demand for Barbados gooseberry by the food industry highlights the agricultural potential of this plant (Queiroz et al, 2015a; Madeira et al, 2016) and demanding improved crop management practices. As this plant is adapted to large scale production systems, management practices must be optimized to achieve higher yields, including optimized. Weeds can interfere with plant growth mainly by competing for resources such as water, light, and nutrients, and potentially releasing allelopathic substances, reducing yield and quality of crops (Demétrio et al, 2008; Galon et al, 2013)
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