SCREENING OF SOME VARIETIES OF WHEAT FOR INFESTATION BY THE SEED GALL NEMATODE Anguina tritici |....

This study was conducted in the College of Agriculture and Forestry / University of Mosul to screen nine varieties of wheat represented by (Erbil 2, Erbil 4, IPA 99, Baraka, Rasheed, Abu Ghreeb, Faris, Buhooth 10, Saber-beg) for infection with Seed gall nematode Anguina tritici during the agricultural season (2019-2020). The results of the statistical analysis showed that the highest percentage an infection with Seed gall nematode Anguina tri The two cultivars Erbil 2 and Saber-beg had no indications of the disease, and the percentage and severity of their infection were both 0.00. Erbil 2 is a new registration for a cultivar resistant to A. tritici, as well as Saber-beg, which was previously renowned for its disease resistance. And the ability to detect A. tritici nematode infection early in the stage of formation primer spikes of the nine varieties studied in the experiment, as well as its relationship with disease incidence, is one of the new and effective methods used for the first time in Iraq to predict seed gall nematode infection in the early stages of plant life. The Buhooth 10 cultivar and the cultivar Abu Ghreeb had the largest prevalence of juvenile nematode (78.16 and 22.83, respectively), which is directly linked to the percentage of illness (50.65 percent and 19.41, respectively).

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