RESULTS CONCERNING THE ATTACK OF THE FUNGUS USTILAGO MAYDIS IN ALMAJULUI DEPRESSION PUBLISHED

Anişoara Zaberca, Adrian Borcean
Research aim was to test the tolerance of a range of maize hybrids to infectious pressure of the pathogen Ustilago maydis in climatic conditions from Almaj Depression.  Stage of research is being characteristic for partial interpretation of experimental data after the first experimental year, in preparation the doctoral thesis. Experimental field was located in climatic conditions Almaj Depression. Technology was the standard applied to this area. The experience was bifactorial. First factor was the hybrid grown with six graduations, provenance hybrids was Monsanto with different vegetation periods, (DKC 3511, 4626 DKC, DKC 4964, 4983 DKC, DKC DKC 5783 and 5170). Factor B was the amount of nitrogen applied to three graduations (N 0 , N 100 and N 200 ) all three doses were applied on a constant background elements of P 80 K 80 . The novelty is relatively high, work providing important data for agricultural practice in the experimental area. Achievements in this work are that the research of the main author has as subject the possible reactions of the pathogen in relation to local biocoenosis factors. Limits of the research are that data from the fungus Ustilago maydis refer only at one year of bonitation. Practical implications of the research consisted that the data presented are an important part from complex study of protection strategy in maize. The originality of the work comes from the fact that data are relevant in view of uniformity of hybrids origins, all these data are only part of the data submitted for interpretation in the preparation of the doctoral experience of the author. Importance of the paper became from bringing in front of the specialists one of the topics in the experiences of the main author's doctoral preparing, to evaluate the accuracy of techniques addressed. The relevance of data, experimental results give an overview of pathogen behavior in relation to hybrids experienced by groups of precocity.
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Presentation: oral

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