MANAGEMENT OF POWERY MILDEW OF PEA INCITED BY Erysiphe polygoni DC. By PERKA SOUNDARVA MALLAIAH B.Sc. (Agri.) MASTER OF SCIENCE (Agriculture) IN Q PLANT PATHOLOGY DEPARTMENT OF PLANT PATHOLOGY COLLEGE OF AGRICULTURE, LATUR VASANTRAO NAIK MARATHWADA KRISHI VIDYAPEETH, PARBHANI, (M.S.), INDIA 2014 MANAGEMENT OF POWERY MILDEW OF PEA INCITED BY Erysiphe polygoni DC. By PERKA SOUND ARY A MALLAIAH B.Sc. (AGRl.) for the ‘Degree of MASTER OF SCIENCE (Agriculture) IN PLANT PATHOLOGY nCDADTMMtCNU T AC Dl AMT DATUAI AAV ftJrnMBa*1 | %ir« I I WtPIf AAI I BAC AC AADIAIII TIIDC I AVIIO vWLLCwC II UIVCj lari I w A VASANTRAO NAIK MARATHWADA KRISHI VIDYAPEETH, PARBHANI, (M.S.), INDIA 2014 cmmmym's I hereby declare that the dissertation orpart thereof has not been previously submitted by me for a degree of any "University or Institute. (Place :Latur ((Perfy Soundarya) Date:$or/ o$/2014 Wo. 201ZM/8SML Dr. S. J. Magar M. Sc. (Agri.), Ph.D. Assistant Professor, Department of Plant Pathology, College of Agriculture, Latur M.K.V., Parbhani (M.S.) India. CERTIFICATE-I This is to certify that the dissertation entitled “MANAGEMENT OF POWDERY MILDEW OF PEA INCITED BY Erysiphe polygoni DC” submitted by Miss PERKA SOUNDARYA MALLAIAH to the Vasantrao Naik Marathwada KrlsW Vidyapeeth, Parbhani in partial fulfillment of the requirements for the degree of MASTER OF SCIENCE (Agriculture) in the subject of PLANT PATHOLOGY is record of original and bonafide research work carried out by him under my guidance and supervision. It is of sufficiently high standard to warrant its presentation for the award of the said degree. I also certify that the dissertation or part thereof has not been previously submitted by him for a degree of any university. Place: Latur Date ;'10/0^/2014 Research Guide and Chairman Advisory Committee CERTIFICATE - II This is to certify that the dissertation entitled “MANAGEMENT OF POWDERY MILDEW OF PEA INCITED BY Erysiphe polygoni DC.” submitted by Miss. PERKA SOUNDARYA MALLAIAH to the Vasantrao Naik Marathwada Krishi Vidyapeeth, Parbhani in partial fulfillment of the requirements for the degree of MASTER OF SCIENCE (Agriculture) in the subject of PLANT PATHOLOGY has been approved by the student’s advisory committee after oral examination in collaboration with the external examiner. Research Guide and Chairman Advisory Committee Members of Advisory Committee C Associate Dean and Principal College of Agriculture, College of Agriculture, Latur V.N.M.K.V., Parbhani-431402 ABBREVIATIONS % Percent - @ At the rate of - CD. Critical difference - Cm centimeter (s) - DAS - Days After Sowing Dia. Diameter - e.g. Exampli Gratia (for Example) - et al. and others - etc. Etcetera - Fig. Figure (s) - ha. hectares (s) - hrs. Hours - i.e. That is - Kg- - Kilogram (s) m. meter (s) - mm. millimeter - No. number (s) - °C Degree Celsius - PDI Per cent Disease Intensity - PDC - Per cent Disease Control S.E. Standard error - sp. species - T Treatment _ viz.. videlicet (namely) _ Var. - Variety AC%!Nowm®gmmm: "Achievement is of no mean, without the sense of gratefulness and the recognition of this is the Beginning of-wisdom"! tfnnhjt is the matter of pleasure to glance Badland recall the -way one traverse, the days of hard worh^ and perseverance. It is still great at this juncture to recall all the faces and spirits in the form of teachers, friends, near and dear ones. In my opinion, this wor^is nothing more than in complete, -without attending to the tas^achjwwledging to overwhelming help I received during the endeavor of mine. ,rIhe Journey of a thousand miles Begins -with single step, But the first step in necessary". So first and foremost, with idamtaBle pleasure I avail this opportunity to acknowledge my sincere; ineffable indebtedness and whole heartedsense of gratitude to my Hon’Ble dfesearch guide Or. S. % Sdagar, Assistant (Professor, (Department of (Plant (Pathology, College of Agriculture, Latur. dhe erudite chairman of the Advisory committee for suggesting the proBlm and for his constant, immaculate and indfatigable guidance rendered through progress of worf^ preparation of the manuscript and constant encouragement during the entire course of investigation would remain encouraging me forever in my Gfe. I'would also to thanf to Advisory committee members (Dr. (B. <P. Dandtud^ <Professor, (Department of (Plant pathology, College of Agriculture, LatuiDr. A- S. 'Kfldam, (Professor, (Department of Horticulture, College of Agriculture, Latur, (Dr. C Latpate, Assistant (Professor, (Department f (Entomology, College of Agriculture, ParBhani, for their valuable suggestions during course of research. I am deeply indebted to Dr. 9L S. Dadhf, Assistant (Professor, Department of (Plant pathology, College f Agriculture, Latur and Dr. % D. HavgireJLssociate Professor, Department ofPlant pathology, College of Agriculture, (ParBhani I have immense pleasure in expressing my whole hearted sense of gratitude and indebtedness to Dr. (B. ‘Uenhfiteswarlu, Hon. ‘Irice Chancellor, VHMK3S, (ParBhani as wed as Dr. lfiS. Sbinde, Director of Instruction and Dean, Vacuity of Agriculture, (ParBhani I gratefully acknowledge my indebtedness to Dr. <8. M. QjhomSre, Associate Dean and (Principal College of Agriculture, Latur and Dr. (B. (B. (Bhosle, Associate Dean and Principal, Codegeof Agriculture, Earbhani for providing all the necessary facilities and his valuable contribution towards the completion of this investigation. I express my sincere thanky to retired librarian, ShrL ‘P.Q. Eambarwade, for excavating literature from library andfor his kind co-operation during my research work. I am special thankful to Jambo Xerox members for their kind co-operation during my research wotf Words are not sufficient to take account of encouraging and evergreen love of my family. ‘Everything in my life nothing if I ignore the ad time encouragement, evergreen affection and latent love of my husbandShrLKfitakpi Sat Chandarand respectfully my parentsShri <Berk$ Madaiah and Sou. (Perkfl Qfajamam, uncle, Sailu, father-in-law Xfttak&m Shandpr and mother-in-law XfitkfiM Cjangubai and also express my sincere and heartful thanks to my brother Shravan fymar. One needs sincere friend’s at ad major functions in life to bear strains and fatigue cheeifudy. I am so lucky that I have such friends who always helped me, gave me support, encourage me. A thank§ Is tfo worst word in friends hip yet I shad avail this golden opportunity to express my thanky t° the fofy rendered by my friends, Vjwala, (jita, Supriya, Shdpa, Sadhana, Xanchan, Xogita, <PreeU andSomor their good wid and moral support. My special thanks are extended to my classmates Eriyankp, Arun, Shivaji, Abhijit, (Bhausaheb, Hgjesh, ‘Pishwas, Eushar and Sangita and ad M.Sc. (Agri.) 2012 batch who besides encouragement, inspirations, valuable suggestions, friendly guidance helped me lot and made my work, interesting.! am very much thankful to my seniorfriend ‘Pasuda dtfor their kind co-operation and help during the course of work. I would lik§ to tak§ this opportunity to say thankst0 mJ ad juniors. At the end, I owe my inexpressible gratitude to the Almighty and ad those who have beenforgotten due to short comings. PLACE: LATUR DATE 10! 2014 (EerkpSoundarya) CONTENTS Chapter Title Pages I INTRODUCTION 1-3 n REVIEW OF LITERATURE 4-21 m MATERIALS AND METHODS 22-29 IV RESULTS 30-46 V DISCUSSION 47-52 \ VI SUMMARY AND CONCLUSION 53-55 LITERATURE CITED i-ix ANNEXURE -