پديد آورنده :
دانايي فر، عباس
عنوان :
تأثير بازدارنده هاي سنتز جيبرليك اسيد بر شاخص هاي رشد و نمو گياه توت فرنگي رقم پاروس
مقطع تحصيلي :
كارشناسي ارشد
گرايش تحصيلي :
علوم باغباني
محل تحصيل :
اصفهان: دانشگاه صنعتي اصفهان، دانشكده كشاورزي
صفحه شمار :
سيزده، ۷۵ص.: مصور، جدول، نمودار
استاد راهنما :
مهديه غلامي، مصطفي مبلي
استاد مشاور :
بهرام باني نسب
توصيفگر ها :
پاكلوبوترازول , پروهگزاديون كلسيم , جيبرلين , رشد رويشي , رشد زايشي , محلول پاشي
استاد داور :
نعمت الله اعتمادي، حميدرضا عشقي زاده
تاريخ ورود اطلاعات :
1396/10/10
چكيده انگليسي :
76 Influence of Gibberellic Acid Synthesis Inhibitors on Growth andDevelopment Indices of Strawberry Plant Fragaria ananassa Duch Cv Paros Abbas Danaei a danaie1991@gmail com Desember 9 2017 Department of Horticultural Science Isfahan University of Technology Isfahan 84156 83111 Iran Degree M Sc Language FarsiSupervisors M Gholami mah gholami@cc iut ac ir M Mobli mobli@cc iut ac irAbstractStrawberry is one of the most popular and most important small fruits the world Vegetative andreproductive growth in strawberry are influenced by genetics and environmental factors such astemperature and day length Excessive vegetative growth will result in shading reduced photosynthesisand carbohydrates content reduced flower and fruit formation irregular pollination increasing theformation of bad shape fruit spreading illnesses and poor fruit quality due to competition withreproductive growth High labor cost and plant damage limit the use of mechanical methods for reducingvegetative growth For this reason they use more than chemical methods Plant growth retardants PGR such as paclobutrazole and calcium prohexadione that are applied in horticultural crops to reduceunwanted vegetative growth act by inhibiting gibberellin biosynthesis The objective of the present workwas to evaluate these two PGR for suppressing vegetative growth of short day strawberry plants cultivarParos The experiment was carried as factorial in a completely randomized design with four replications The plants were sprayed with 0 100 and 150 mg L calcium prohexadione and 0 60 90 and 120 mg Lpaclobutrazole at two stages The results showed that paclobutrazole and calcium prohexadionesignificantly reduced shoot fresh weight shoot length root length specific root length petiol length transpiration and fruit total acids and increased leaf fresh weight specific leaf weight root weight ratio crown number flower number fruit set yield photosynthesis chlorophyll carotenoids and anthocyaninconcentrations The interaction of 100 mg L prohexadione calcium and 120 mg L paclobutrazole was themost effective treatment for reducing the shoot length petiole length and transpiration The highestchlorophyll content fruit set fruit firmness and anthocyanin content were obtained at 100 mg Lprohexadione calcium without paclobutrazole Fruit weight and total soluble solids were not affected bygrowth retardant treatments Key words Gibberellin Paclobutrazole Prohexadione calcium Reproductive growth Spray Vegetative growth
استاد راهنما :
مهديه غلامي، مصطفي مبلي
استاد مشاور :
بهرام باني نسب
استاد داور :
نعمت الله اعتمادي، حميدرضا عشقي زاده
