Hormetic effect of glyphosate persists during the entire growth period and increases sugarcane yield.,Pest Management Science

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Hormetic effect of glyphosate persists during the entire growth period and increases sugarcane yield.
Pest Management Science ( IF 3.8 ) Pub Date : 2020-02-06 , DOI: 10.1002/ps.5775
Renata P Pincelli-Souza ₁ , Fernanda Pap Bortolheiro ₂ , Caio A Carbonari ₃ , Edivaldo D Velini ₃ , Marcelo de A Silva ₂

Affiliation

Stimulation of plant growth by low doses of a toxic compound is defined as a hormetic effect. Exposure of plants to low doses of glyphosate can cause stimulatory effects on growth or other variables. Sugarcane is the major biofuel and sugar‐production crop cultivated in Brazil, but its expansion to new areas is limited; therefore, there is a demand for new technologies to improve sugarcane production per unit area. The use of pesticides to stimulate growth through the hormetic effect might be a suitable strategy to increase sugarcane yields. The purpose of this research was to investigate the effect of a low dose of glyphosate on metabolic compound accumulation, leaf phosphorus (P) concentration, and morphological variables across a one‐year sugarcane cycle, as well as to determine whether the glyphosate effect was sustained and effective in improving the yield and technological quality of the sugarcane at harvest.

中文翻译：

草甘膦的激效作用在整个生长期间持续存在，并提高甘蔗产量。

通过低剂量的有毒化合物刺激植物生长被定义为毒物兴奋效应。植物接触低剂量的草甘膦可能会对生长或其他变量产生刺激作用。甘蔗是巴西种植的主要生物燃料和制糖作物，但其向新地区的扩张有限；因此，需要新技术来提高单位面积的甘蔗产量。使用农药通过毒物兴奋效应刺激生长可能是增加甘蔗产量的合适策略。本研究的目的是调查低剂量草甘膦对一年甘蔗周期内代谢化合物积累、叶磷 (P) 浓度和形态变量的影响，并确定草甘膦效果是否持续有效提高甘蔗收获时的产量和技术质量。

更新日期：2020-02-06

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