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DAMAGE ASSESSMENT OF THE CORN BORER, | ||
| IRAQ JOURNAL OF AGRICULTURE | ||
| Article 1, Volume 2, Issue 16, 2011, Pages 0-0 | ||
| Authors | ||
| H. H. Al-Karboli; A. N. Al-Khafaji | ||
| Abstract | ||
| The corn borer , Sesamia cretica Led. is the key pest of maize in Iraq . Studies were conducted to evaluate the susceptibity and the nature of damage caused on some recently introduced French hybrids (Ali Gore , Ali Gonde and Ali pronoto ) compared with 3 local cultivars (Buhooth 106 ,IPA 3001 and IPA 3003 ). Results indicated that all French hybrids and the local cultivars were infested by the corn borer , There were significant differences in dead heart, the lowest percentage was recorded on hybrid Ali pronoto (3.7%) which was significantly different from all others local cultivars and French hybrids , which were 8.17 ,9.62 ,12.5 ,and 13.3 % on hybrids Ali Gunde, Ali Gore, and IPA 3003 and Buhooth 106 respectively .Hybrid Ali Gore was distinguished by least numbers of holes /plant (3.0), percentage of stalk tunneled (3.2 %) , compared with that of the susceptible cultivar Buhooth 106 being 5.44 and 6.73% respectively . Results also indicated a lower number of larva on French hybrids. There were no significant differences between French hybrids in yield loss which considered to be equal to 50% of buhooth 106. These result, also confirmed a previous studies that hybrid IPA 3001 can be the candidate cultivar to replace cultivar buhooth lo6 which represent most maize cultivation in Iraq. | ||
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