EVALUATION OF Annona muricata L. GENOTYPES FOR GROWTH, YIELD AND QUALITY ATTRIBUTES

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Date
2023-11-17
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College of Horticulture, Mudigere, Keladi Shivappa Nayaka University of Agricultural and Horticultural Sciences, Shivamogga
Abstract
Annona muricata L. (Lakshmanphal) is an underutilized fruit crop which is gaining importance due to its potential health benefits. An experiment was conducted to evaluate the Annona muricata L. genotypes for growth, yield and quality attributes, during 2022-23 at Muddinakoppa village of Shivamogga district. Analysis of variance showed significant differences concerning growth, yield and quality attributes. The genotype PKN-25 recorded maximum fruit length (29.10 cm), fruit width (16.40 cm), fruit weight (2352.92 g), fruit volume (2262.46 cc) and pulp weight (1624.40 g). The highest number of fruits per tree (34) and highest fruit yield per tree (80.00 kg/tree) were recorded in PKN-25 followed by PKN-20 with 33 fruits per tree and 75.97 kg/tree. The highest values for fruit quality parameters like TSS (PKN-24: 18.23 ºB), titratable acidity (PKN-39: 1.25 %), reducing sugars (PKN-03: 8.87 %), non-reducing sugars (PKN-20: 3.79 %), total sugar (PKN-24: 11.97%), TSS: Acid (PKN-24: 24.64), sugar: acid (PKN-24: 16.18), ascorbic acid (PKN-02: 22.68 mg/100g fruit pulp), antioxidant activity (PKN-03: 70.13 %) and total phenolic content (PKN-02, PKN-24: 126.48 mg GAE/ g dry weight) were also recorded during investigation. High level of genotypic coefficient of variation (GCV) and phenotypic coefficient of variation (PCV) coupled with high heritability along with high genetic advance as per cent of mean (GAM) were recorded for most of the traits studied, indicating a high level of variability within genotypes. All the characters have highly significant and positive correlation with the yield except number of seeds per fruit and titratable acidity. Diversity studies revealed that 34 genotypes of Annona muricata were grouped into six clusters. The fruit yield per tree contributed more towards total genetic divergence followed by titratable acidity and antioxidant activity. The PKN-25 and PKN-20 found to be superior for fruit and yield parameters whereas, PKN-24 and PKN-03 found to be superior in terms of quality attributes
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