تأثير فطر Trichoderma harizanum Rafai في أنبات و نمو بعض أصناف الرز في محافظة النجف

Abstract EN

This experiment was carried out to study the effect of T.

harzianum on the plantation and growth parameters of some varieties of Rice, the study showed high significant differences on the germination percentage in each of Anber33 b, a and yasmin is 90.67% compared with control treatment is 60.67 , 65.67 ,52.67% respectively , also showed the effect in seedling damping-off for same species above is 1.67%, 1%, 2% respectively compared with control treatment is 5%, 6%, 6% respectively and the effect in length of shoot system is 31.67, 32.67 cm respectively for Anber33 b and Mushhab1 compared with control treatment is 21.33 , 20 cm respectively, while length of root system for Anber33 b,a is18.67 , 19.67 cm compared with control treatment is11.33 , 13cm respectively, the study including isolated 20 species of fungi from seeding of Rice, also the Anber 33b recorded the highest rates of present fungi is 300%, whereas Mushhab2 the lowest rate is71.66%, also the results showed positive relation between humidity content and percentage of present fungi.