CHARACTERIZATION OF URDBEAN (VignamungoL. Hepper) GENOTYPES THROUGH MORPHOLOGICAL CHARACTERS, CHEMICAL TESTS AND QUALITY PARAMETERS 2861

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dc.contributor.advisorDr. L. K. SHARMA
dc.contributor.authorAJAY KUMAR RAWAT
dc.date.accessioned2021-07-03T06:49:56Z
dc.date.available2021-07-03T06:49:56Z
dc.date.issued2019-07
dc.description.abstractAn experiment was carried out at the Pulses Research Station, Junagadh Agricultural University, Junagadh, to characterize thirtyurdbean genotypes based on morphological characters (plant, seed and seedling) and chemical tests. Thirty urdbean genotypes were grouped into different groups based on 28 plant morphological characters, 4seed morphological characters, 8 seedling characters and 3 chemical tests. The genotypes were grouped based on50 per cent flowering, the genotypes were grouped intoearly (13 genotypes), medium (16 genotypes) and late (1 genotype) types.For plant height, all the thirty genotypes were tall.Based on plant habit, genotypes were grouped into semi-determinate(4 genotypes)anddeterminate(26 genotypes) types.Based on growth habit, genotypes were grouped into erect (11 genotypes), semi erect (17 genotypes) and spreading (1 genotype) types. Based on number of branches per plant, genotypes were grouped into medium (29 genotypes) and high (1 genotype) types.Based on twining habit, the genotypes were grouped intonon-viny (26 genotypes) and viny (4 genotypes) types.Based on petiole color, the genotypes were grouped into green (1 genotype), green with purple splashes (26 genotypes) and purple (3 genotypes) types.Based on petiole length, 30 genotypes under study were grouped into medium (28 genotypes)and long (2 genotypes) types.Based on petiole hairiness, the genotypes were grouped into absent (1 genotype), sparse (19 genotypes)and dense (10 genotypes) types.Based on length of peduncle, 30 genotypes under study were grouped into short (6 genotypes) and medium (24 genotypes)types.Based on days to maturity, genotypes were grouped into early (22 genotypes) and medium (8 genotypes) types.For stem color, all the thirty genotypes had green with purple splashes on stem. Based on stem pubescence, the genotypes were grouped into present (14 genotypes) and absent (16genotypes) types. Based on shape of terminal leaf, the genotypes were grouped into cuneate (2 genotypes), lanceolate(26 genotypes) and ovate(2 genotypes) types. Based on leaf color, the genotypes were grouped into light green (4 genotypes) and green (26 genotypes) types. Based on vein color, the genotypes were grouped into green (28 genotypes) and purple (2 genotypes) types. Based on leaf pubescence, the genotypes were grouped into absent (5 genotypes) and present (25 genotypes) types. Based on leaf size, the genotypes were grouped into large (3 genotypes) and medium (27 genotypes) types. The genotypes were grouped based on mature pod color into black (11 genotypes) and brown (19 genotypes) types. Based on pubescence on pod, the genotypes were grouped into absent (5 genotypes) and present (25 genotypes) types. Based on the mature pod length, genotypes were grouped into long (30 genotypes) type. Based on mature pod shape, genotypes were grouped into semi flat (9 genotypes) and round (21 genotypes) types. Based on mature pod constriction, genotypes were grouped into medium (5 genotypes) and least (25 genotypes) types. Based on mature pod curvature, the genotypes did not differentiate. In all the 30 genotypes the mature pod curvature was absent. Based on the variations in colour of seed, the genotypes were grouped into black (18 genotypes) and black brown (12 genotypes) types. Based on seed coat lusture, genotypes were grouped into shiny (3 genotypes) and dull (27 genotypes) types. Based on seed shape, genotypes were grouped into drum (8 genotypes) and globose (22 genotypes) types. Hundred seed weight varied significantly among the genotypes. Hundred seed weight ranged from 3.99 g (Pant U 31) to 5.5 g (GJU 1509) with a mean of 4.82 g. Based on seed size, genotypes were grouped into medium (5 genotypes) and large (25 genotypes) types. Seed yield per plant varied significantly among the genotypes. Seed yield per plant ranged from 5.94 g (IC 14691) to 17.01 g (Vamban 8) with a mean of 11.39 g. Based on seedling pubescence, the genotypes did not differentiated. In all the 30 genotypes the seedling pubescence was absent. Based on anthocyanin color on hypocotyl, genotypes were grouped into present (1 genotype) and absent (29 genotype) types.Among 30 genotypes, seedling vigour index I was high in all thirty genotypes The seeds were subjected to NaOH bleach test, KOH test and growth response test for differentiating the genotypes. The genotypes were grouped based on Potassium Hydroxide bleach test into orange color (26 genotypes) and dark orange red color (4 genotypes) types. Based on Sodium Hydroxide test, the genotypes were grouped into orange color (19 genotypes) and dark orange red color (11 genotypes) types. Based on growth response test, the genotypes were grouped into very low (4 genotypes), low (5 genotypes), medium (3 genotypes) and high (18 genotypes) types. The assessment of genetic purity is an important criterion in seed production programme. Therefore, simple and reliable techniques need to be developed for genetic purity assessment and genotype characterization. The identified morphological characteristics of urdbean genotypes could be utilized in DUS testing, seed production programme and genetic purity testing. The results of chemical tests are useful in identifying and grouping of urdbean genotypes and also in genetic purity testing.en_US
dc.identifier.urihttps://krishikosh.egranth.ac.in/handle/1/5810170063
dc.keywordsUrdbean, characterization, plant morphology, seed, chemical testen_US
dc.language.isoEnglishen_US
dc.publisherjau,junagdhen_US
dc.subSeed Science and Technologyen_US
dc.themeCHARACTERIZATION OF URDBEAN (VignamungoL. Hepper) GENOTYPES THROUGH MORPHOLOGICAL CHARACTERS, CHEMICAL TESTS AND QUALITY PARAMETERS 2861en_US
dc.these.typeM.Scen_US
dc.titleCHARACTERIZATION OF URDBEAN (VignamungoL. Hepper) GENOTYPES THROUGH MORPHOLOGICAL CHARACTERS, CHEMICAL TESTS AND QUALITY PARAMETERS 2861en_US
dc.typeThesisen_US
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