Effect of biofertigation and crude edible oils application on growth yield quality and post harvest management of papaya Carica papaya L cv Red Lady

Abstract

newline Author : CHINTAKAYALA SUNITHA newlineTitle of thesis : Effect of biofertigation and crude edible oils newlineapplication on growth, yield, quality and post newlineharvest management of papaya (Carica papaya L.) newlinecv. Red Lady newlineDegree for which it is newlinesubmitted newline: DOCTOR OF PHILOSOPHY newlineFaculty : HORTICULTURE newlineMajor field : FRUIT SCIENCE newlineChairman of Advisory newlineCommittee newline: Dr. M. MADHAVI newlineUniversity : Dr.Y.S.R. HORTICULTURAL UNIVERSITY newlineYear of submission : 2024 newlineABSTRACT newlineA study entitled Effect of biofertigation and crude edible oils newlineapplication on growth, yield, quality and post harvest management of papaya newline(Carica papaya L.) cv. Red Lady was carried out during 2021-22 and 2022-23. newlineThe study was conducted as three experiments viz., (a) Effect of seed biopriming newlineon germination and seedling growth of papaya cv. Red Lady (b) Influence of newlinebiofertigation and foliar application of crude edible oils on growth, yield and newlinequality of papaya cv. Red Lady and (c) Effect of hexanal and storage conditions newlineon post-harvest quality and shelf life of papaya cv. Red Lady at College of newlineHorticulture, Dr. Y.S.R. Horticultural University, Venkataramannagudem, West newlineGodavari district of Andhra Pradesh. newlineThe first experiment was laid out in a Completely Randomized Design newline(CRD) comprising of seven treatments viz., biopriming in 10% Azotobacter for 12 newlineh and 24 h, biopriming in 10% PSB for 12h and 24 h, biopriming in 10% newlineAzotobacter + PSB for 12 h and 24 h and hydropriming as control which were newlinereplicated thrice. Among the treatments studied 10% Azotobacter + Phosphate newlinesolubilizing bacteria for 24 hours seed biopriming was recorded early seed newlinegermination, maximum germination percentage, seedling height, stem girth, newlinenumber of leaves, fresh and dry weight of shoot and root, higher chlorophyll newlinecontent, root: shoot ratio, vigour index length and vigour index mass, nitrogen and newlinephosphorous content in papaya seedlings and minimum nitrogen and phosphorous newlinecontent in potting media newlineThe second experiment was carried out in a Factorial Randomized