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EVALUATION OF VEGETABLE COWPEA (Vigna unguiculata L. Walp) VARIETIES FOR HIGH YIELD IN COASTAL ANDHRA PRADESH

KrishiKosh

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Title EVALUATION OF VEGETABLE COWPEA (Vigna unguiculata L. Walp) VARIETIES FOR HIGH YIELD IN COASTAL ANDHRA PRADESH
 
Creator K. MADHAVI
 
Contributor Dr.K.UmaJyothi
 
Subject the growth attributes ,plant height,high phenotypic ,pod weight ,pod yield
 
Description The present experiment entitled “Evaluation of vegetable cowpea ( Vigna unguiculata L. Walp) varieties for high yield in coastal Andhra Pradesh” was carried out during 2011 at Horticultural College and Research Institute, Dr.Y.S.R. Horticultural University, Venkataramannagudem, West Godavri district.
Nine cowpea varieties viz. Arka Garima, Arka Suman, Bhagya Lakshmi, Vellayani Local, Khashi Khanchan, Baramasi, Gomthi, Pusa Komal and local check were evaluated in Randomized block design and replicated thrice. Data was collected on plant height, number of leaves per plant, number of primary branches per plant, dry matter accumulation per plant, number of days to first flowering, number of days to 50 per cent flowering, days to first picking, crop duration, pods per plant, pod length, pod girth, mean pod weight, number of seeds per pod, test weight and pod yield per plant. Data collected was subjected to analysis of variance to test significant difference among the varieties and to estimate variance components and other genetic parameters like genetic variability, heritability, genetic advance, correlation coefficients and path analysis.
Among the varieties evaluated Vellayani Local recorded the highest plant height (161.59 cm), primary branches (9.55), leaves (173.66), dry matter accumulation (90.33 g), crop duration (95.54 days), pod length (46.70 cm), pod girth (3.51 cm), mean pod weight (28.77 g), seeds per pod (21), test weight (169.46 g) and pod yield per plant (556.04 g) whereas it took the lowest number of days to first flowering (34.3 days), 50 per cent flowering (39.9 days) and first picking (42.9 days). Vellayani Local was followed by Baramasi for days to first flowering (35.1 days), Khashi Khanchan for 50 per cent flowering, pod girth (3.30 cm), mean pod weight (32.83 g) and test weight (148.80 g) and Arka Garima for days to first picking (45.7 days) and pod girth (3.30 cm). Gomathi recorded the highest number of pods per plant (25) followed by Vellayani Local (19.46). Bhagya Lakshmi recored the lowest growth and yield parameters except for mean pod weight (8.18 g) and test weight (129.20 g) which were lowest in Pusa Komal ie., 6.69 g and 113.23 g respectively.
Vellayani Local was followed by Gomthi for all the growth attributes ie., plant height (145.50 cm), primary branches (8.48), leaves (141.66) and dry matter accumulation (72.38 g) and pod yield per plant (400.56 g).
In the present study, high phenotypic coefficient of variation and genotypic coefficient of variation were observed for plant height, primary branches, leaves, dry matter accumulation, pod length, pods per plant, mean pod weight and pod yield per plant. All the characters under study exhibited highest heritability. Genetic advance as percentage of mean was high in all the characters except for days to first flowering, 50 per cent flowering, first picking and crop duration.
At genotypic level, pod yield per plant had high positive correlation with seeds per pod, primary branches, number of leaves, plant height, dry matter, crop duration, pod length, pod girth, pod weight and test weight. The path analysis showed that pod length, mean pod weight, days to first picking, plant height, dry matter accumulation and days to first flowering had direct positive effect on pod yield per plant.
 
Date 2016-07-23T12:31:37Z
2016-07-23T12:31:37Z
2012-07
 
Type Thesis
 
Identifier http://krishikosh.egranth.ac.in/handle/1/69552
 
Language en
 
Format application/pdf
 
Publisher Dr.Y.S.R.Horticultural University