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Evaluation of the efficiency of some chemical and biological treatments on the protection of potato tubers from the infection by Fusarium solani fungus | ||
| journal of al-qadisiyah for pure science(quarterly) | ||
| Article 1, Volume 6, Issue 2, 2006, Pages 1-12 PDF (0 K) | ||
| Authors | ||
| Nabil Salim Saaid Tuwaij; Huda Jameel Al-khlkhaly; Sami Abd Al-rutha Al-jumaeely | ||
| Abstract | ||
| Abstract: This study aimed to creating an effective means to protect potato tubers Solanum tuberosum from disease infection Dry Rot caused by the fungus Fusarium solani in natural circumstances storage through experimenting the efficiency of some chemical treatment (Rovral , Urea and Sodium chloride) and biological treatment (vaccine bacteria Pseudomonas fluorescens CHAO). Rovral Fungicid proved high efficiency in inhibiting the radial growth of fungus F. solani at rate 100% in Agriculture media of both concentrations (0.1&0.2)% and stated vaccine bacteria P. fluorescens CHAO in the second order regarding the inhibition of the fungus 88%.whereas the urea showed medial effect in inhibition of which was 51% at the concentration of 1% . Results also cleared that Sodium chloride was the least treatment efficiency in inhibition the fungus F. solani which was 37.2% at 0.1%. The results of the storage experiment had cleared that the wounds has a great importance in increasing tubercle infection by fungus the percentage of the infection in tubercle wound reached 33.8% while in tubercle that are not wound was 3.1% and the wound effect on the weight of tubercle which was 234gm in tubercle that are not wound but decreased in the wound tubercle to 202.2 gm. The chemical and biological treatments showed efficiency in reducing the percentage of tubercle infection with fungus F. solani. Rovral treatment that’s the best treatment in reducing the percentage to 1.1% while equality treatment urea and bacteria P. fluorescens CHAO in reducing the percentage to 15.5 % successively while the treatment effect on the urea weight showed efficiency in diaper of tubercle weight which was 241.6 gm and stated Rovral in second order 233.4gm . | ||
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