بررسی ارزیابی و مقایسه اثر تتراکونازول و چند قارچکش دیگر بصورت ضدعفونی بذر برای کنترل بیماری سیاهک پنهان معمولی گندم

In the present study, which had done in 2007-2008, the effects of two fungicides Tetraconazole 125 g/l DS(14, 16, 20, 25, 30 gr/100 kg seed) and Lamardor 400 FS (5, 10, 15, 20 gr/100 kg seed) as seed treatment were evaluated to control common bunt of wheat in 3 locations as irrigated and rainfed fields and compaired with Dividend 3% DS (100gr/100 kg seed), Sumi-8 2% wp (200 gr/100 kg seed), Real 25 FS (20 gr/100 kg seed) and Raxil 2% DS (150 gr/100 kg seed). The experiments were carried out in complete randomized block design with 15 treatments and 4 replicats. Befor sowing the wheat cultivars marvdasht (Borujerd and kermanshah) and chamran (Ahavaz) in irrigated field and Azar2 (Borujerd and Kermanshah) and Zagros (Ahvaz) in rainfed fields were infested with teliospores of Tilletia laevis at the rate of 5 gr/l kg seed. The percentage of infected spicklets was determind by counting the number of total and infected heads in each treatment. Statutical analysis of the results were performed using Duncan s method. The results of these trials indicated that, all of the tested fungicides had a significant effect in comparison to the control treatment. According to effective range in irrigated and rainfed fields the fungicides ranged in different groups. Key word: Wheat, Common bunt, fungicide, Tetraconazole, Lamardor.

کلیدواژه ها:

قارچ کش ها ، پروپیکونازول ، گندم ها ، سیاهک ها (بیماری) ، کنترل بیماری