To examine the genetic variation for drought stress in chamomile, eight accessions belonging to four species were evaluated under both field and greenhouse conditions using normal and late season drought stress. In the field experiment drought stress were initiated with irrigation cease at the commencement of flowering time. In greenhouse experiment, irrigation carried out at flower initiation ...

following a thorough survey of the available literature and concentrating on the wax and wane of testing pragmatic competence so far, the present study firstly is an attempt to develop a comprehensive test of inter-language pragmatics mainly focusing on academic situations in the iranian context. secondly, the study aims to investigate the criteria required for the selection of speech acts of a...

plants change their environment characteristics and especially soil properties while their growth and adaptation, to develop plant communities. in this study effect of halophyte patches from urmia lack in a vegetation type of salsola nitraria and aeluropus littoralis on chemical and physical properties of soil was investigated. so 4 vegitation patches along 2 transect with the length of 150 met...