STUDIES ON EFFECT OF CROP REGULATION PRACTICES ON GROWTH AND YIELD OF GUAVA (Psidium guajava L.) VARIETY SARDAR
Loading...
Date
2015-07
Authors
Journal Title
Journal ISSN
Volume Title
Publisher
K.R.C. COLLEGE OF HORTICULTURE, ARABHAVI (UNIVERSITY OF HORTICULTURAL SCIENCES, BAGALKOT)
Abstract
A field experiment was conducted to study the effect of pruning and plant bio regulators, on growth, yield and quality of guava variety Sardar, during the year 2014-15 at Department of Fruit Science, Kittur Rani Channamma College of Horticulture, Arabhavi, University of Horticultural Sciences, Bagalkot.
The unpruned plants registered maximum plant height, stem girth and plant spread at 120 days after treatment (DAT). Highest days taken from 50% flowering to harvesting, duration of flowering, number of flowers per plant and per cent fruit set were recorded in pruned plants. Maximum fruit weight, fruit diameter, fruit length, fruit volume, pulp weight and pulp to seed ratio were recorded in pruned plants, whereas, maximum TSS, TSS to acid ratio, total sugar, reducing sugar, non-reducing sugar, ascorbic acid and pectin were also noted in pruned plants. Highest number of fruits per plant, fruit yield per plant, fruit yield per hectare, B:C ratio and overall acceptability was found in pruned plants.
Among different bio regulators T1 recorded higher values for plant height and T3 (Urea 15%) recorded maximum stem girth, canopy spread at 120 DAT. Days taken from 50% flowering to harvesting, duration of flowering, number of flowers per plant, reducing sugars, non reducing sugars and total sugars found maximum in T3 treatment, whereas per cent fruit set was found maximum in T2 and T5. Maximum fruit length, fruit diameter, fruit weight, pulp weight and pulp to seed ratio, TSS, TSS to acid ratio and total phenol content were recorded in T4, whereas maximum total crop duration, ascorbic acid content, pectin content, number of fruits, weight of fruit per plant, yield per hectare and higher B:C ratio were found in T2. Overall acceptability and fruit volume was recorded maximum in T5.
Among the interactions, P2T2 (pruning with NAA 250ppm) was found to be the best treatment combination for obtaining good reproductive growth, quality, yield, organoleptic properties and cost economics.
Description
TH529
Keywords
null