Effect of different cover crops (Vigna radiata, Mucuna pruriens1, Mucuna pruriens2, rice husk) on weed dynamics
DOI:
https://doi.org/10.5377/ribcc.v10i19.19975Keywords:
Living covers, dead covers, weed diversity, seed bank, Tithonia rotundifoliaAbstract
Background: Weeds are plants that can be found in any area and can harm the crops. However, there are ground covers, which also prevent the development of these unwanted plants. Therefore, this study was conducted
to determine the effect of four ground covers and a control on the dynamics of weeds. Methodology: A randomized complete block design was implemented to evaluate the cover crops Vigna radiata, Mucuna pruriens1, Mucuna pruriens2, rice husk and a control on the variables abundance, richness, diversity, frequency, percentage of cover, seed bank and type of weed leaf. Results: The rice husk cover presented a better management of weeds with respect to abundance with an average of 105 individuals,
diversity with a percentage of 1.15%; and richness with 3.63 species, the Vigna radiata treatment obtained the lowest percentage of weed cover with 54. 67% and the Mucuna pruriens2 treatment had the lowest coverage in the
seed bank after the end of the trial, going from 50% to 20%, the most frequent species was Tithonia rotundifolia with 75.56% present mainly in the control area. Conclusion: The implementation of these covers guarantees adequate
management of weed dynamics with a significant difference from the weed´s first stage until some time after the end of the period, depending on the type of cover.
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