Abstract
This study aimed to evaluate the effects of Si doses in plants cultivated under rainfed and with irrigation on the photosynthetic traits of cotton. The experiment was carried out in a double factorial scheme, the treatments being composed of 5 doses of Si (0, 55, 110, 220 and 440 g ha−1) and 2 cultivation conditions (irrigated and rainfed). There is no influence of the interaction of Si doses and cultivation conditions, and Si does not influence the photosynthetic parameters of the cotton plant. However, irrigation is a good strategy for increasing the CO2 assimilation rate, stomatal conductance and transpiration of the cotton plant.
Zuzammenfassung
Ziel dieser Studie war es, die Auswirkungen von Si-Dosen auf die photosynthetischen Eigenschaften von Baumwolle in Pflanzen zu untersuchen, die im Regenfeldbau und unter Bewässerung angebaut werden. Der Versuch wurde in einem zweifaktoriellen Schema durchgeführt, wobei die Behandlungen aus 5 Si-Dosen (0, 55, 110, 220 und 440 g ha−1) und 2 Anbaubedingungen (Bewässerung und Regenfeldbau) bestanden. Es gibt keine Wechselwirkung zwischen der Si-Dosis und den Anbaubedingungen, und Si hat keinen Einfluss auf die photosynthetischen Parameter der Baumwollpflanze. Die Bewässerung ist jedoch eine gute Strategie zur Erhöhung der CO2-Assimilationsrate, der stomatären Leitfähigkeit und der Transpiration der Baumwollpflanze.
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L. Guilherme Delovo Carara, M. Luís Oliveira Cunha, V. do Nascimento, C. dos Santos Batista Bonini, E. Pereira Prado and S. Ferrari declare that they have no competing interests.
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Guilherme Delovo Carara, L., Luís Oliveira Cunha, M., do Nascimento, V. et al. Effects of Application of Silicon Doses and Irrigation On the Photosynthetic Parameters of Cotton. Gesunde Pflanzen 75, 283–288 (2023). https://doi.org/10.1007/s10343-022-00699-y
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DOI: https://doi.org/10.1007/s10343-022-00699-y