How Salicylic Acid Modulate Photosynthetic Pigments, Yield and Yield Components of Canola Plant

Document Type : Research Article

Authors

Agronomy Department, Faculty of Agriculture, Tarbiat Modares University

Abstract

In this experiment, the possibility of growth promoting of exogenous salicylic acid during two growth stages on chlorophyll content, yield and yield components of canola plant was investigated. For the purpose of improving above traits, salicylic acid was applied in four concentrations (0, 100, 200 and 400 µM) during two different growing stages (first time; when temperature was close to 7-10 °C and second time; when temperature was close to 7-10 °C at the end of winter) on two canola cultivars (Licord and RGS). The total chlorophyll content was higher when 100 µM was applied at the second stage of the application on Licord cultivar. Salicylic acid foliar application led to increase in seed yield of both cultivars. The highest plant height, seed weight, and plant biomass were obtained from Licord cultivar. The greatest pod number per plants was observed in Licord which was treated with 100 µM salicylic acid at the first time while the highest seed number per pod was observed in the former cultivar which was treated with 200 µM salicylic acid at the first time. In general, our results revealed that salicylic application increased canola growth and productivity of grain yield in both cultivars.

Keywords

References

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Journal of Genetic Resources
Volume 2, Issue 1
March 2016
Pages 1-9

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