شماره ركورد كنفرانس :
5090
عنوان مقاله :
امكان سنجي بهره گيري از جو وحشي (Hordeum vulgare ssp. spontaneum) براي بهبود تحمل به خشكي جو زراعي
عنوان به زبان ديگر :
Possibility of use wild species of barley (Hordeum vulgare ssp. spontaneum) to improve drought tolerance of cultivated barley
پديدآورندگان :
ﻧﺠﻔﯽ ﭘﻮر ﻋﻈﯿﻤﻪ داﻧﺸﮕﺎه ﺻﻨﻌﺘﯽ اﺻﻔﻬﺎن - داﻧﺸﮑﺪه ﮐﺸﺎورزي - ﮔﺮوه زراﻋﺖ و اﺻﻼح ﻧﺒﺎﺗﺎت، ايران , ﻣﺠﯿﺪي ﻣﺤﻤﺪ ﻣﻬﺪي داﻧﺸﮕﺎه ﺻﻨﻌﺘﯽ اﺻﻔﻬﺎن - داﻧﺸﮑﺪه ﮐﺸﺎورزي - ﮔﺮوه زراﻋﺖ و اﺻﻼح ﻧﺒﺎﺗﺎت، ايران , ﻣﯿﺮﻟﻮﺣﯽ آﻗﺎﻓﺨﺮ داﻧﺸﮕﺎه ﺻﻨﻌﺘﯽ اﺻﻔﻬﺎن - داﻧﺸﮑﺪه ﮐﺸﺎورزي - ﮔﺮوه زراﻋﺖ و اﺻﻼح ﻧﺒﺎﺗﺎت، ايران , ﺳﻌﯿﺪي ﻗﺪرت اﻟﻪ داﻧﺸﮕﺎه ﺻﻨﻌﺘﯽ اﺻﻔﻬﺎن - داﻧﺸﮑﺪه ﮐﺸﺎورزي - ﮔﺮوه زراﻋﺖ و اﺻﻼح ﻧﺒﺎﺗﺎت، ايران , ﻃﺎﻟﺐ ﻫﺎدي داﻧﺸﮕﺎه ﺻﻨﻌﺘﯽ اﺻﻔﻬﺎن - داﻧﺸﮑﺪه ﮐﺸﺎورزي - ﮔﺮوه زراﻋﺖ و اﺻﻼح ﻧﺒﺎﺗﺎت، ايران
كليدواژه :
ﺗﻼﻗﯽ ﺑﯿﻦ ﮔﻮﻧﻪ اي , ﺷﺎﺧﺺ ﻫﺎي اﻧﺘﺨﺎب , ﺟﻤﻌﯿﺖ ﻫﺎي BC1S 1
عنوان كنفرانس :
شانزدهمين كنگره ملي علوم زراعت و اصلاح نباتات ايران
زبان كنفرانس :
فارسي-انگليسي
چكيده فارسي :
ﮔﻮﻧﻪﻫﺎي وﺣﺸﯽ و ﺧﻮﯾﺸﺎوﻧﺪان ﮔﯿﺎﻫﺎن زراﻋﯽ ﺳﺎزﮔﺎري ﺑﺎﻻﯾﯽ ﺑﻪ ﺗﻨﺶﻫﺎي ﻣﺤﯿﻄﯽ ﻣﺎﻧﻨﺪ ﺧﺸﮑﯽ دارﻧﺪ. اﯾﺮان ﻣﻨﻄﻘﻪ وﺳﯿﻌﯽ از ﻣﺮﮐﺰ ﺗﻨﻮع، ﺗﮑﺎﻣﻞ و اﻫﻠﯽ ﺷﺪن ﺟﻮ را ﺷﺎﻣﻞ ﻣﯽﺷﻮد. ژرم ﭘﻼﺳﻢ ﺟﻮ وﺣﺸﯽ اﯾﺮاﻧﯽ ﻣﯽﺗﻮاﻧﺪ ﻣﻨﺒﻊ ﻣﻔﯿﺪي از ژنﻫﺎي ﺗﺤﻤﻞ ﺑﻪ ﺧﺸﮑﯽ ﺑﺮاي ﺑﻬﺒﻮد ﺟﻮ زراﻋﯽ ﺑﺎﺷﺪ. اﯾﻦ ﻣﻄﺎﻟﻌﻪ ﺷﺎﻣﻞ 443 ﻻﯾﻦ BC1S1 ﺣﺎﺻﻞ از ﺗﻼﻗﯽ 21 ﺟﻮ وﺣﺸﯽ ) Hordeum vulgare ssp. spontaneum( ﺑﺎ رﻗﻢ زراﻋﯽ رﯾﺤﺎن 03 ﻣﯽﺑﺎﺷ.ﺪ ﻻﯾﻦﻫﺎي ﻣﻮرد ﻣﻄﺎﻟﻌﻪ ﺗﺤﺖ ﺷﺮاﯾﻂ ﻋﺪم ﺗﻨﺶ و ﺗﻨﺶ رﻃﻮﺑﺘﯽ در ﻗﺎﻟﺐ ﻃﺮح آﮔﻤﻨﺖ از ﻧﻈﺮ ﺧﺼﻮﺻﯿﺎت زراﻋﯽ ﺑﺮرﺳﯽ ﺷﺪﻧﺪ. ﻧﺘﺎﯾﺞ ﺗﺠﺰﯾﻪ وارﯾﺎﻧﺲ ﺑﺮاي ژﻧﻮﺗﯿﭗﻫﺎي ﺷﺎﻫﺪ ﻧﺸﺎن داد ﮐﻪ ﺗﻔﺎوت ﺑﻠﻮكﻫﺎ ﻓﻘﻂ ﺑﺮاي ارﺗﻔﺎع در ﺷﺮاﯾﻂ ﺗﻨﺶ و ﻧﺮﻣﺎل ﻣﻌﻨﯽدار ﺑﻮد وﻟﯽ ﻫﻤﻪي ﻻﯾﻦﻫﺎ در ﮐﻞ ﺻﻔﺎت ﻣﻮرد ﺑﺮرﺳﯽ اﺧﺘﻼف ﻣﻌﻨﯽداري داﺷﺘﻨﺪ. ﻻﯾﻦﻫﺎﯾﯽ ﮐﻪ ﻋﻤﻠﮑﺮد ﺑﯿﺸﺘﺮي داﺷﺘﻨﺪ از ﻧﻈﺮ ﺷﺎﺧﺺSTI ﻣﺘﺤﻤﻞﺗﺮ ﺑﻮدﻧﺪ. ﻧﺘﺎﯾﺞ ﺣﺎﺻﻞ از ﻣﺤﺎﺳﺒﻪ ﺷﺎﺧﺺﻫﺎي STIو YSI ﻣﻨﺠﺮ ﺑﻪ ﺷﻨﺎﺳﺎﯾﯽ ﻻﯾﻦﻫﺎي ﻣﺘﺤﻤﻞ ﺑﻪ ﺗﻨﺶ ﺧﺸﮑﯽ در ﻫﺮ ﺳﻄﺢ ﺗﻨﺶ ﮔﺮدﯾﺪ. ﻧﺘﺎﯾﺞ ﻧﺸﺎن داد ﮐﻪ ﮔﻮﻧﻪ وﺣﺸﯽ ﺟﻮ از ﭘﺘﺎﻧﺴﯿﻞ ﺑﺎﻻﯾﯽ ﺑﺮاي اﺻﻼح ﺟﻮ زراﻋﯽ در راﺳﺘﺎي اﯾﺠﺎد ارﻗﺎم ﻣﺘﺤﻤﻞ ﺑﺮﺧﻮردار اﺳﺖ.
چكيده لاتين :
Wild and relative species of cultivated crops have genes relevant to adaptation to environmental
stresses such as drought. Iran comprises a large area considered to be the center of diversity,
evolution, and domestication for barley. In the present study, 443 BC1S1 lines from an original cross
between Reihan 03 cultivar and 21 wild barley genotypes were developed. These lines were field
evaluated for agronomic traits according to an agument design under water stress and non-stress
conditions. Results of ANOVA showed that the differences among the blocks were only significant
for height under normal and water stress conditions. Significant difference among progeny lines was
absorbed for all the studied agronomic traits. The high-yielding lines were considered more tolerant
based on STI index. The STI and YSI indices identified the most drought tolerant lines at different
soil moisture levels.