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|Authors:||Inamdar Aayeshbanu Fattulal|
|Title:||GENETIC VARIABILITY STUDIES IN POLE TYPE DOLICHOS BEAN (Lablab purpureus L.)|
|Publisher:||Mahatma Phule Krishi Vidyapeeth, Rahuri.|
|Abstract:||The present investigation entitled “Genetic variability studies in pole type Dolichos bean (Lablab purpureus L.)” was under taken to study the extent of genetic variability, heritability (broad sense), genetic advance, correlation and path analysis among thirty-seven genotypes of Dolichos bean during kharif, 2013 at All India Co-ordinated Research Project on Vegetable Crops, Department of Horticulture, Mahatma Phule Krishi Vidyapeeth, Rahuri, Dist. Ahmednagar (M.S.). The observations were recorded on qualitative characters viz., pod colour, pod shape, flower colour, stem colour, seed colour and seed shape and quantitative characters viz., days to flowering, days to 50 per cent flowering, days to first harvest, length of inflorescence (cm), number of flowers/inflorescence, number of pods/inflorescence, number of pods/vine, pod setting (%), pod length (cm), pod width (cm), number of grains/pod, average weight of 10 pods (g), green pod yield/plant (g), green pod yield per plot (kg), green pod yield per hectare (q), protein content and pod borer incidence (%). Considerable amount of variability was observed for the 17 character studied. The high GCV and PCV were observed for green pod yield per plant (54.53 and 56.40), green pod yield per plot (54.51 and 56.38), length of inflorescence (50.53 and 51.29), average weight of 10 pods (49.01 and 49.57) indicating the presence of good amount of variability for these characters. Comparatively, high heritability (broad sense) percentage was observed for pod width (98.65 %), days to first flowering (98.08 %), average weight of 10 pods (97.77 %), length of inflorescence (97.08 %) and number of flowers per inflorescence (96.65 %). It indicate that these characters are least influenced by environmental effects. Selection for improvement of such characters may not be useful because broad sense heritability is based on genetic variance which include both fixable and non fixable variances. The genetic advance was maximum for green pod yield per plant, number of pods per vine and green pod yield/hectare.|
|Appears in Collections:||Thesis|
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