Silva, J. da, Saccini, V. A. V. and Santos, D. M. M. dos (2015) “Temperature stress in accumulation of free proline of pigeonpea seedlings from seeds treated with polyamines”, Semina: Ciências Agrárias, 36(1), pp. 103–122. doi: 10.5433/1679-0359.2015v36n1p103.