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Safeena, S. A.
- Variability and Genetic Divergence in Vegetable Cowpea Germplasm of Goa
Abstract Views :458 |
PDF Views:186
Authors
Affiliations
1 ICAR –Central Coastal Agricultural Research Institute, Ela, Old Goa - 403 402, Goa, IN
2 ICAR Directorate of Oil Palm Research, Pedavegi - 534 450, West Godavari, Andhra Pradesh, IN
3 ICAR Central Institute of Brackishwater Aquaculture, Chennai - 600 028, Tamil Nadu, IN
4 ICAR- Directorate of Floricultural Research, Shivajinagar, Pune, Maharashtra, IN
1 ICAR –Central Coastal Agricultural Research Institute, Ela, Old Goa - 403 402, Goa, IN
2 ICAR Directorate of Oil Palm Research, Pedavegi - 534 450, West Godavari, Andhra Pradesh, IN
3 ICAR Central Institute of Brackishwater Aquaculture, Chennai - 600 028, Tamil Nadu, IN
4 ICAR- Directorate of Floricultural Research, Shivajinagar, Pune, Maharashtra, IN
Source
Journal of Horticultural Sciences, Vol 15, No 1 (2020), Pagination: 45-51Abstract
Vegetable cowpea or Yard long bean [Vigna unguiculata var. sesquipedalis L. (Walp)] is a warm season leguminous crops grown especially for vegetable purpose along the west coast of India. In Goa, pole type varieties are preferred over bushy types as they offer multiple harvests with comparatively longer pods. There is wide variability found for different morphological and other traits in the local types cultivated in the state of Goa. Exploration of genetic variability in the available germplasm is a prerequisite for initiation of any successful breeding programme. Twenty nine genotypes of vegetable cowpea including three improved varieties collected from different parts of Goa state were evaluated for twelve quantitative characters including yield. High variability was observed for pod yield/plant, number of pods/plant and pod length. The high variability for pod yield per plant is apparent as the pod yield ranged from 315.25 to 2070.45 g/plant with an average of 827.48 g per plant. Pod yield depends on number of pods per plant, pod length and pod weight. Number of pods per plant ranged from 36.65 to 147.80. Pod weight depends on pod length, number of seeds per pod and hundred seeds weight. Wide variation was observed for all these characters in the present study. The GCV value was maximum for pod yield per plant (g) followed by pod weight (g) and number of pods per plant. Low values of GCV were observed for days to first flowering, days to first harvest and number of seeds per pod. In the present study, the twenty nine genotypes could be grouped into fourteen clusters based on genetic distance. High coefficient of variation was observed for pod yield per plant, pod weight, number of pods per plant and pod length indicating their significant contribution in determining the inter cluster distances.Keywords
Correlation Coefficient, Genetic Divergence, Quantitative Character, Vegetable Cowpea.Full Text
References
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- Evaluation of Different Cultivars of Tuberose (Polianthes tuberosa L.) under Humid agro Climatic conditions of Goa
Abstract Views :209 |
PDF Views:118
Authors
Affiliations
1 ICAR-Directorate of Floricultural Research, Pune, IN
2 ICAR – Central Coastal Agricultural Research Institute, Goa, IN
3 ICAR-National Institute of Abiotic Stress Management, Baramati, IN
1 ICAR-Directorate of Floricultural Research, Pune, IN
2 ICAR – Central Coastal Agricultural Research Institute, Goa, IN
3 ICAR-National Institute of Abiotic Stress Management, Baramati, IN
Source
Journal of Horticultural Sciences, Vol 14, No 2 (2019), Pagination: 109-114Abstract
Tuberose (Polianthes tuberosa L.) is one of the most important tropical bulbous-ornamental cultivated for production of long-lasting flowers spikes. Adaptation and acclimatization of different cultivars under humid agro-climatic conditions of Goa are to be confirmed for their better performance. The present investigation was conducted to evaluate the performance of tuberose cultivars under agro-climatic conditions of Goa during 2014- 2017. Five single and six double cultivars of tuberose were evaluated during the study period. All the cultivars differed in their growth and flowering behaviour. Among the single cultivars, evaluated, maximum number of florets per spike (47.00) was observed in Pune local whereas spike-length (75.59 cm) was maximum in Mexican Single. Among the double cultivars, evaluated, maximum plant height (52.21 cm) and maximum number of leaves per plant (59.63) were recorded with cultivar Arka Suvasini. Leaf length was significantly higher (52.93 cm) in Pearl double whereas leaf width (2.04 cm) was maximum in Calcutta Double. Days to appearance of flower spike were earlier in Arka Suvasini. Minimum days taken for opening of basal floret (84.88 days) were recorded with cultivar Arka Suvasini. Spike girth (0.68 cm), Spike fresh-weight (69.06 cm), floret stalk-length (3.6 cm), floret diameter (5.24 cm), weight of individual floret (3.49 g) and vase life (7.93 days) was significantly maximum in Cv. Arka Suvasini followed by Pearl Double. Based on the performance evaluation cv. Mexican Single among single types and cv. Arka Suvasini and Pearl Double among double types could be recommended for commercial cultivation under agro climatic conditions of Goa.Keywords
Cultivars, Double, Evaluation, Single and Tuberose.Full Text
References
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- Bhaskar, J., Sobhana, A. and Rajeevan, P.K. 2006. Performance evaluation of tuberose Polianthes tuberosa (L.) varieties. In: National Symposium on Ornamental Bulbous Crops held on 5-6 December 2006 at SVBPUAT, Meerut (U.P.), pp. 31.
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