In Iran poplar planting has been used for many centuries ago specially in regions without forests. It had rural uses in ancient time, but recently many fast growing poplar species have been planted and many hybrids also have been planted; the following species had been cultivated widely in Iran: Populus nigra L. var. italica, Populus alba L., Populus caspica Bornm, Populus deltoides L., Populus X. euramericana, Populus euphratica Oliv. The sapwood and heartwood of these species which are planted in humid Caspian region of Iran have been attacked severely by different fungi species. But in Central plateau of Iran and Eastern and Western part of Iran they are attacked by Isoptera (Cokoptera), Lepidoptera and also Hymenoptera and specially termites. The miseltaes (Viscum album) attack severely in Mazandaran region to poplar species. Beside that in steppic region of Iran frost rings cause severe damage.

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