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Use of some Chemical and Biological Methods and Integration to Control of Damping of Disease on Tomato Caused by Fusarium oxysporum F. sp.Lycopersci | ||
| Journal of Tikrit University For Agriculture Sciences | ||
| Article 1, Volume 17, Issue 3, 2017, Pages 256-268 | ||
| Authors | ||
| Qais Kazm Zewain Alazawi; Mustafa Yseen Taha Alnasry | ||
| Abstract | ||
| This study was carried out to evaluate the effectiveness of two chemical fungicides; Topsin M 70% WP and Tachigaren 30L plus two biocontrol agents; first one is a fungus Trichoderma harzianum and the second is a bacteria named Bacillus subtilis individually or in combination with other evaluated factors to control Fuzarium wilt disease caused by Fusarium oxysporumfspLycopersici on two varieties of tomato named Feton and GS-12. The results of field study conducted in open field to evaluate disease control program on tomato varieties Feton and GS-12 indicated that applying Feton cultivar plants with following biological and chemical treatments; T. harzianum & B.subtilis, T. harzianum &Topsin M 70% WP, B. subtilis &Tachigaren 30 L and Topsin M70% WP & Tachigaren 30 L has given a significant result in increasing percentages of seedling emergence and decreasing of seed rot disease 100%, 0% respectively in comparison with pathogen control treatment 0% ,100% respectively. GS-12 cultivar was recorded a significant result as well in same parameter when treated with following treatments ; T.harzianum & B.subtilis , T. harzianum , Tachigaren 30 L & B.subtilisand Topsin-M 70 % WP & Tachigaren 30 L 100% , 0% respectively compared with pathogen control treatment 96.66, 03.33 respectively. Concerned with shoot and root growth characteristics; Field study explained that all treatments have recorded a significant increase in fresh and dry weights of shoot and root systems on both cultivars( Feton and GS-12) compared with pathogen control treatment. Results indicated as well that applying of both cultivars with fungal and bacterial biocontrol agentsT. Harzianum and B.subtilis together has recorded highest averages of yield weight 4534 kg , 4786 kg respectively followed by treatments of Tachigaren 30L &T.harzianum and Tachigaren 30 L & B. subtilis on Feton cultivar plants with no significant difference between them While on GS-12 cultivar, treatment of Tachigaren 30 L &B. subtilis came in second order of productivity 4397.3 kg after the treatment of T. harzianum & B.subtilis 4786.7 kg with no significant difference between them. | ||
| Keywords | ||
| Chemical and Biological Methods; Control of Damping; tomato; Fusarium oxysporum F; Lycopersci; Fusarium oxysporum f; lycopersci | ||
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