4629

4357

كارشناسي ارشد

باغباني

اصفهان: دانشگاه صنعتي اصفهان ، دانشكده كشاورزي

1387

ده ، 55 ، [II] ص: مصور ، جدول ، نمودار

ص. ع. به: فارسي وانگليسي

نعمت اله اعتمادي

بهرام باني نسب

88/6/14

خورشيد رزمجو ، سيروس قبادي

1396/09/13

كتابنامه

مهندسي كشاورزي

ID4357

به فارسي وانگليسي : قابل رويت در نسخه ديجيتال

Effect of Paclobutrazol and Cycocel on Some Quantitative and Qualitative Characteristics of Zinnia and Rudbeckia Maryam Hojati Maryan mah @yahoo com February Department of Horticultural Science Isfahan University of Technology Isfahan IranDegree M Sc Language FarsiSupervisor Nematollah Etemadi etemadin@cc iut ac irAbstractPopulation growth and expanstion of civil life have lead to the reduction of natural vegetation and increase ofair pollution Therefor creation of land scape by using various plants for reduction of air pollution and increaseof mental tranquillity is necessary In designing green land scapes annual and prennial plants are moreimportant for their colour variation and shapes Short plants with big flowers are also more valuable Zinnia andRudbeckia are examples of those plants that have long blooming priod These plants propagated by seedare high long Short plants obtained by expensive F seeds show generation depression so this is necessary tofind some ways to regulate height without deteriorating flower quality Growth retardants are chemical organiccomponds that slow cell division and cell elongation in shoot tissues and regulate plant height Paclobutrazoland cycocel are two types of these chemicals that can control growth and cell elongation by inhibitinggibberelic acid biosynthesis This study was conducted to find out the effect of paclobutrazol and cycocel onsome quantitative and qualitative characteristics of Zinnia and Rudbeckia Plants transplanted at HorticultureDepartment farm College of Agriculture Isfahan University of Tecnology in Seeds of Zinnia andRudbeckia were sown on plug trays Seedlings transplanted to pots when plants were approximatelycentimeter in heigh Paclobutrazol mg L and cycocel mg L were applied as asingle foliar spray to run off when apical flowers bud presented in zinnia and when plants had totrue leaves in rudbeckia Control plants were sprayed with deionized water Thereafter plants weretransplanted to the farm Two experiments were set up in randomized completly block designs withreplications Each block was m and plants were sown centimeter away The main stem height number of leaf and flower number of lateral branches and flower diameter were measured every twoweeks Leaf chlorophyl content and lateral branches length were measured in the middle and the endof growth cycle respectively Blooming priod was calculated too At the end of growth cycle When

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