2021
DOI: 10.1590/1678-4499.20200421
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Maize landraces management to avoid transgenic contamination, decreases yield and seed quality

Abstract: Producing high-quality seeds for agroecological agriculture is needed because the plants will be exposed to a diversity of environments and management practices. Sowing times and population densities can influence the quality of seeds produced by landraces.Further, seeds for agroecological cultivation must not be contaminated by transgenes. In this context, it is necessary to know the agronomic performance of landraces outside of the recommended growing period to avoid gene flow with transgenic cultivars. Thus… Show more

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“…In Japan, transgene flow was observed 800 m from the pollen source, with non-homogeneous rates varying with wind speed and incidence of solar radiation [ 85 ]. The recommendation to change the planting time could be an additional strategy to minimize transgene flow, but recent studies indicate that this measure affects the production and quality of seeds obtained outside the season [ 86 ].…”
Section: Discussionmentioning
confidence: 99%
“…In Japan, transgene flow was observed 800 m from the pollen source, with non-homogeneous rates varying with wind speed and incidence of solar radiation [ 85 ]. The recommendation to change the planting time could be an additional strategy to minimize transgene flow, but recent studies indicate that this measure affects the production and quality of seeds obtained outside the season [ 86 ].…”
Section: Discussionmentioning
confidence: 99%