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Research Paper | December 1, 2011

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The efficiency of some fungicide at two-row spring barley for fighting against spot blotch (Cochliobolus sativus Ito and Kurib) in the Bucovina area

Ioan Gontariu, Amelia Buculei

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Int. J. Agron. Agri. Res.1(2), 9-13, December 2011

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Abstract

Fungus infects young leaves by direct penetration into epidermis or through stomata. The efficiency of some fungicides applied to seed and during vegetation was tested. In order to control this patogen, two trataments were applied. From the researches made by RSDS Suceava for a longer period of time we found out that the grain losses are almost 14% from the total production if there aren’t made any seed treatments and of minimum 16% if there aren’t applied two foliar treatments in the vegetation. During the experimental years, to the cultivars which were seed treated, the spring was uniform by succeeding a good protection of the young plants in the first phase of vegetation, the pathogen attack being much more diminished. In exchange for the variant on which wasn’t applied the seed treatment, the spring was un uniform, and later during the vegetation period there were observed very clearly the symptoms of spot blotch by a late development and excessive twinning of a great number of plants.

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The efficiency of some fungicide at two-row spring barley for fighting against spot blotch (Cochliobolus sativus Ito and Kurib) in the Bucovina area

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