GUPTA, SUNITA; GUPTA, N K. Field efficacy of exogenously applied putrescine in wheat (Triticum aestivum) under water-stress conditions. The Indian Journal of Agricultural Sciences, Delhi, India, v. 81, n. 6, 2011. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/6576. Acesso em: 23 oct. 2025.