امراضية الفطر Nigrospora oryzae كمسبب لتبقع اوراق الرز واختبار تأثير الماء الممغنط
Abstract
نفذت تجربة عاملية خلال الموسم الصيفي لعام 2011 في احد حقول محافظة النجف / ناحية الحيرة , وفق تصميم القطاعات العشوائية الكاملة ( RCBD ) وبثلاث مكررات , تم في هذه الدراسة اختبار تاثير الري بالماء الممغنط بشدة 1600 گاوس , ومبيدي الادغال نومني ورانبو بالجرعة الكاملة ونصف الجرعة الموصى بها على الاصابة بمرض تبقع اوراق الرز ونتيجة العزل والتشخيص تبين المسبب هو الفطر Nigrospora oryzae .
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