5766

5381

كارشناسي ارشد

علوم باغباني

اصفهان: دانشگاه صنعتي اصفهان، دانشكده كشاورزي

1389

يازده،75ص.: مصور،جدول،نمودار

ص.ع.به فارسي و انگليسي

سيروس قبادي

امير مساح، مصطفي مبلي

29/1/90

مسعود بهار، نعمت الله اعتمادي

مهندسي كشاورزي

ID5381

به فارسي و انگليسي: قابل رويت در نسخه ديجيتالي

Chemotherapy and Cryotherapy of Potato Sprout Tips for Efficient Elimination of Potato Leaf Roll Virus PLRV and Potato Virus Y PVY Mohammad AL hoshan Hoshan77@yahoo com 2011 Department of Horticultural Sciences IsfahanUniversity of Technology Isfahan 84156 83111 Iran Degree M Sc Language Arabic and Farsi Supervisor Assist Prof Cyrus Ghobadi cyrus@cc iut ac ir Abstract Potato solanum tuberosum L is a heterozygous and autotetrapliod plant and one of the tuber crops that very important for feeding the people over the world The potato produces more protein and calories per unit area after wheat and rice As will as it is considered the fourth major crop after wheat rise and maize economically Since the cloning of potato increases viral disease spread especially viruses Potato leaf roll virus PLRV and potato virus Y PVY and those viral diseases constitute a major constraint to high yield and high quality production of potato In connection with the point producing virus free plants through micropropagation technology combinined with elemination techniques including chemotherapy cryotherapy or electrotherapy for efficient virus eradication is emphasized In the present investigation attempts were made to evaluate the effects of different levels of 1 1 NAA 0 0 1 0 3 and 0 5 mgl and BAP 0 0 2 and 0 4 mgl on sprout tip 1 2 and 3 mm culture of two potato cultivars Chandramokh and Marfona and to eliminate PLRV and PVY viruses from infected vitroplants by chemotherapy and cryotherapy Results of the former indicated that the maximum plantlet length 151 66 mm and 146 66 mm was observed in Chandramokh cultivar in the treatment NAA and BAP 0 3 0 4 and 0 5 0 2 mgl 1 with explants size of 2 mm respectivily and in Marfona cultivar the highest plantlet length was obtained in 0 5 mgl 1 NAA and 0 mgl 1 BAP with the sprout tip size of 3 mm The highest number of leaves and nodes per plantlet were recorded in the cultivars Chandramokh and Marfona at NAA and BAP 0 1 0 0 and 0 3 0 0 mgl 1 with the

سيروس قبادي

امير مساح، مصطفي مبلي

مسعود بهار، نعمت الله اعتمادي