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Study the effect of organic fertilizers, magnetic filed and biological control agent to control wilt disease on tomato caused by Fusarium oxysporum and f. sp. Lycopersici

Authors: Shorooq Ali Mohammad --- Sabah Latif Alwan
Journal: Kufa Journal for Agricultural Sciences مجلة الكوفة للعلوم الزراعية ISSN: 20727798 23128186 Year: 2014 Volume: 6 Issue: 4 Pages: 39-58
Publisher: University of Kufa جامعة الكوفة

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Abstract

The study showed that the use of the magnetic field has positive effects on seed germination and plant growth of tomato , it has been shown that the best ratio of vitality and germination of seeds appeared when exposing the seeds for 8 minutes to a magnetic field strongly in 1800 chaos where it was tested several periods of exposure 0 , 2, 4 , 8 and 16 minutes reaching 83 , 100, 90 , 93, 100 , 93 and 83% , respectively, compared with the control treatment , which amounted to (80%) study also demonstrated the best combination of organic fertilizer in terms of quantity and quality , which included two types of compost and are remnants of rice and remnants of wheat where outperformed the treatment of manure waste 1:1 on all transactions where the total length and weight Bared 28.The conditions in the plastic house has achieved treatment F.o.l. + Salicylic acid + P. fluorescens for the dry weight of the root system and vegetative 0.16 g and g 0.5 , and the treatment of P.fluorescens amounted to 0.22 g and 0.3 g , respectively, amounted to treatment comparison 0.5 and 0.20 , respectively, as varied all transactions significantly compared to the treatment of F.o.l. ( plants inoculated with pathogen only) where achieved a 0.5 and 0.15 , respectively. The results of laboratory experiments reinforced the results of the experiments the plastic house and confirmed the effectiveness of different treatments , as it showed the treatment of yeast S.cereveciae highly efficient in encouraging recorded for the dry weight of the root system and vegetative 0.35 and 1.5 g have varied significantly for the treatment of ( F.o.l.) plants inoculated with pathogen only ( reaching 0.5 and 0.15 g . has also led transactions factors resistance vital in improving the rates of some indicators of output ( number of inflorescences per plant and the percentage of the contract and fruit weight and the amount of winning ) , as well as some signs of vegetative growth ( dry weight of shoots and roots and the number of forest / plant).

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