INTERCROPPING OF LEAFY VEGETABLES AND Cnidoscolus aconitifolius WITH DIFFERENT CANOPY SIZES IN TROPICAL CLIMATES

Fitra Gustiar, Benyamin Lakitan, Dedik Budianta, Zaidan Panji Negara, Rofiqoh Purnama Ria, Strayker Ali Muda

Abstract


Background. Chaya (Cnidoscolus aconitifolius ) is a perennial leafy vegetable that is widely known for its year-round harvest potential. Several studies have also shown that it has distinct canopy and root morphology, making chaya an ideal candidate for intercropping with short-duration leafy vegetables for enhancing crop diversity and intensifying production. Objective. To examine the growth of short-duration leafy vegetables in an intercropping pattern with chaya using different canopy sizes. Methodology. The experimental design was a split-plot design with 2 main factors (planting patterns), 3 sub-plots (leafy vegetable crops), and 3 replications. Planting patterns monoculture (conventional) and intercropping with chaya having 80 cm (DC 80) or 120 cm (DC 120) canopy diameters. Leafy vegetables were water spinach, mustard greens, and lettuce. Results. Chaya canopy restricted sunlight intensity, leading to temperature changes in the cultivation area. This situation was proven by observing that cultivated land under chaya canopy (DC 80 and DC 120) had a lower air temperature than without chaya canopy (monoculture).  Short-duration leafy vegetables grown through intercropping showed suboptimal growth under intercropping because of limited sunlight availability, causing lower yields compared to monoculture systems. Chaya canopy with a diameter of 120 cm reduced the leaf number and the fresh weight of intercropped leafy vegetables. Conclusion. Even though intercropping reduced leafy vegetable plant growth, intercropping is a viable option for using vacant spaces in chaya cultivation. Optimal growth could be achieved by pruning chaya leaves, allowing sunlight to reach the intercropped plants, when chaya diameter canopy is ≤ 80 cm.

Keywords


Chaya; leafy vegetable; monoculture; olericulture; polyculture

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References


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URN: http://www.revista.ccba.uady.mx/urn:ISSN:1870-0462-tsaes.v28i1.54522

DOI: http://dx.doi.org/10.56369/tsaes.5452

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