Impact of Arachis pintoi cv. Belmonte on the response of Axonopus catharinensis to shade conditions
DOI:
https://doi.org/10.52945/rac.v34i3.1255Keywords:
Arachis pintoi, Axonopus catharinensis, Integrated Crop-Livestock Systems (ICLS)Abstract
This study aimed to define the impact of forage peanut (Arachis pintoi cv. Belmonte) on the response of giant missionary grass (Axonopus catharinensis) to shade conditions. To this end, four levels of artificial shading (0, 25, 50 and 75%) were tested in two cultivation systems (giant missionary grass in monoculture or intercropped with peanut forage) in Campos Novos, SC. Evaluations from successive cuts were performed from 11/13/2019 to 07/02/2020 and from 11/23/2020 to 07/13/2021, considering the following variables: tiller density; stem and pseudostem length; extended tiller length; leaf length; sheath-free leaf stratum; chlorophyll a, b and total; herbage production; leaf: stem ratio; average leaf area per tiller; number of leaves per tiller; and average leaf area. Intercropping with forage peanuts had no effect on the responses of giant missionary grass to artificial shading. Under intense shading, giant missionary grass showed significant structural changes and reduced herbage production.
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