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The Role of some Secondary Compound on the Susceptibility of some Poplar Varieties to Infection by Poplar Worm | ||
| Journal of Tikrit University For Agriculture Sciences | ||
| Article 1, Volume 13, Issue 2, 2013, Pages 336-340 | ||
| Abstract | ||
| The results of the recent study showed the toxic effect of some secondary chemicals compounds extracted from poplar leaves varieties such as ( deltoids , nigra , euphratica ) in the Apatela aceris (J) the results showed a mortality percentage according to poplar variety , concentration and insects stage. Phenols of the deltoids leaves showed a significant mortality percentage superior to the phenols of other poplar varieties ,which reached to 69% for nymph at 10% concentration respectively. While poplar deltoids alkaloids demonstrated a significant mortality percentage superior to alkaloids of other varieties . It reached 45% for nymph at 10% concentration respectively. Similarly , poplar deltoids .terpens showed a significant mortality percentage superior to terpens of other varieties. It reached 33% for nymph at 10% concentration respectively. | ||
| Keywords | ||
| Secondary; some poplar | ||
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