Preprint / Version 1

Growth analysis of Amaranthus hypochondriacus L., in presence of living fences

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DOI:

https://doi.org/10.1590/SciELOPreprints.3348

Keywords:

Agroecology, Amaranthus, morphometry, edge effects, crop protection

Abstract

The fragmentation and destruction of natural habitats for agriculture along with undiscriminated pesticide use represent the principal cause of biodiversity loss worldwide. To counteract for this agroecology tries to rescue the endogenous potential of agroecosystems to reach resilience and strengthen its reproduction at the biological level. For this it is used sustainable management technics, such as planing or conserving living fences. However, their efficacy within re-valued crops is still poorly known, as in the case of Amaranth crop. Here it is assessed the vegetative growth of Amaranthus hypochondriacus L., based on the proximity to native living fences at a small holder scale. It was compared three different systems, a natural area, a crop area with living fence, and a crop area without living fence. The results showed that A. hypochondriacus crop plants responded positively to the presence of native living fences, i.e., A. hypochondriacus plants grew bigger in the section nearest to adjacent vegetation, especially the panicle, suggesting edge effects. Though, the present study recorded for the first time that Amaranth crop plants have the potential to respond to the presence of native living fences (ecotone) positively affecting the growth of such a re-valued crop.

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Posted

12/13/2021

Section

Biological Sciences