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Anti Agnostic of Some Bio Agents and Chemical to Control of Soft Root Disease on Potato Crop Caused by Bacteria Erwinia carotovora carotovora | ||
| Journal of Tikrit University For Agriculture Sciences | ||
| Article 1, Volume 15, Issue 4, 2015, Pages 109-121 | ||
| Authors | ||
| Firas Hamad Awad; Maadh A.Wahab AL Fahad | ||
| Abstract | ||
| The effectiveness of Bio-formula of bacteria Bacillus subtillus and extract a paste of neem and pesticide Kabrosat and interoperability with each other to resist disease soft rot on potato crop laboratory and field addition to sensitivity test three varieties of potatoes (Burin, Rudolph, Rvera). Laboratory results showed positive signs to inhibition bacteria E. carotovora carotovora diamete bacteria was causal with Bio-formula 3.60 mm while it was 14.34 mm in the control treatment and amounted to diamete inhibition of pesticide Kprosat and neem extract (16.86, 13.43) mm sequentially . With regard to the field experience has excelled treatment (Bio-formula + extract a paste of neem + pesticide kprosat) on other transactions have incidence in this transaction in the category amounted to Rudolph and Rvera and Burin 13.25%, 17.67%, 18.58%, respectively, compared to the treatment of the infected control, which amounted to in the category Rudolph and Class Rvera and Class Burin 52.27%, 66.45%, 70.39%, respectively, and reached the severity of injury in the same treatment in the category Rudolph and Rvera and Burin, 0.170, 0.150, 0.116, respectively, in comparison with control, which amounted in the category Rudolph and Rvera and Burin 0.516, 0.46, 0.34 respectively as well as the superiority of class Rudolph on other cultivars and led transactions used in disease resistance to raising the standards of growth and moral superiority when compared with the treatment of the infected control. | ||
| Keywords | ||
| Soft rot; Bacillus subtillus; Effective contrast | ||
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