ﺑﺮرﺳﯽ ﺗﻨﻮع ﻣﻮرﻓﻮﻟﻮژﯾﮑﯽ ﮔﯿﺎه.Cressa cretica L در ﺷﻬﺮﺳﺘﺎن اﻫﻮاز

Morphological variation of Cressa cretica L. in Ahvaz

ﮔﯿﺎه ﻫﺎﻟﻮﻓﯿﺖ C. cretica ﻣﺘﺤﻤﻞ ﺑﻪ ﺷﺮاﯾﻂ ﻧﺎﻣﻨﺎﺳﺐ آب و ﻫﻮاﯾﯽ ﺑﻮده و ﻣﯽ ﺗﻮاﻧﺪ ﺑﺎ اﯾﺠﺎد ﭘﻮﺷﺶ ﺳﺒﺰ،ﺳﺒﺐ ﺟﻠﻮﮔﯿﺮي از ﻓﺮﺳﺎﯾﺶ ﺧﺎك، ﮐﻨﺘﺮل رﯾﺰﮔﺮدﻫﺎ و اﺣﯿﺎي ﻣﺮاﺗﻊ از ﺑﯿﻦ رﻓﺘﻪ ﺷﻮد.ﻋﻼوه ﺑﺮ اﯾﻦ داراي ﺧﺎﺻﯿﺖ داروﯾﯽ اﺳﺖ، داﻧﻪ ﻫﺎي آن ﻣﻨﺒﻊ روﻏﻦ ﺧﻮراﮐﯽ و ﺑﯿﻮدﯾﺰل ﻣﯽ ﺑﺎﺷﺪو ﺧﻮش ﺧﻮراك ﺑﺮاي دام و ﺷﺘﺮ اﺳﺖ و ﺑﺎ ﺗﻮﺟﻪ ﺑﻪ اﯾﻦ وﯾﮋﮔﯽ ﻫﺎ ﮔﺰﯾﻨﻪ ﻣﻨﺎﺳﺒﯽ ﺑﺮاي ﮐﺸﺎورزي ﺷﻮرزي ﺧﻮاﻫﺪ ﺑﻮد. در اﯾﻦ ﺗﺤﻘﯿﻖ ﺳﯿﺰدﻫﺼﻔﺖ رﯾﺨﺖ ﺷﻨﺎﺳﯽ ﮐﻤﯽ و ﮐﯿﻔﯿﺪر 70 ﻓﺮد از 56 ﺟﻤﻌﯿﺖ C. creticaﺟﻤﻊ آوري ﺷﺪه از ﺷﻬﺮﺳﺘﺎن اﻫﻮاز ﺑﺮرﺳﯽ ﺷﺪ. اﻧﺠﺎم آﻧﺎﻟﯿﺰ ﮐﻼﺳﺘﺮ ﺑﺮ اﺳﺎس UPGMA و ﺷﺎﺧﺺ اﻗﻠﯿﺪﺳﯽ ﻧﺸﺎن داد ﮐﻪ ﺗﻐﯿﯿﺮات ﺻﻔﺎت در درون و ﺑﯿﻦ ﺟﻤﻌﯿﺖ ﻫﺎ ﭘﺎﯾﯿﻦ ﻣﯽ ﺑﺎﺷﺪ.از ﺑﯿﻦ ﺻﻔﺎت ﻣﻮرد ﻣﻄﺎﻟﻌﻪ ﻋﺎدت رﺷﺪي، ﻧﻮك ﺑﺮگ و ﻗﺎﻋﺪه ﺑﺮگ ﺗﻨﻮع ﺑﯿﺸﺘﺮي ﻧﺸﺎن دادﻧﺪ.

C. cretica is a halophyte plant that tolerates unfavorable weather conditions and can be utilized to create green cover, preventing soil erosion, controllingdust and restoring pastures. In addition, it has medicinal properties; its seeds are a source of edible oil and biodiesel and are palatable to livestock and camels. Considering these characteristics, C. cretica is a good candidate for saline agriculture. In this study, 13 quantitative and qualitative traits of 70 individuals from 56 populations of C. cretica collected from Ahvaz were investigated. Cluster analysis based on UPGMA and Euclidean index showed that variation of traits within and between the populations was low. Moreover, among the studied traits; habit, leaf tip and leaf base were more variable.