Al-Daoude A.; Al-Shehadah E.; Shoaib A.; Jawhar M.; Arabi M. I. E.: Cooperative functioning of salicylic acid and phenylalanine ammonia lyase in barley plant challenged with spot blotch and powdery mildew diseases. In: Acta biologica Szegediensis, (63) 1. pp. 31-36. (2019)