ASTUDY OF THE EFFECT OF THREE ORGANIC ACIDS AND THE FUNGUS TRICHODERMA HARZIANUM AND ITS FILTRATE ON THE GROWTH AND PATHOGENESIS OF ALTERNARIA ALTERNATA AND IN STIMULATING TOMATO PLANT RESISTANCE AGAINST IT Z. A. Hamdaan; S. S. Selim Volume 19, Issue 2, December 2021, Page 256-268 10.32649/ajas.2021.175998 Show Article PDF 1.23 M