ISHS Acta Horticulturae 1297: XXX International Horticultural Congress IHC2018: V International Symposium on Plant Genetic Resources and International Symposium on Applied Functional Molecular Biology
Study concerning the main characteristics of dwarf bean seeds in the environmental condition of S-E Romania |
| Author: | E.N. Teodorescu |
| Keywords: | germplasm collection, Phaseolus vulgaris L. var. nanus, accessions |
| DOI: | 10.17660/ActaHortic.2020.1297.30 |
| Abstract:
Vegetable Research and Development Station (V.R.D.S.) Buzau is one of the main institution from Romania which is preoccupied with conserving biodiversity at vegetable species. Lately, the activity concerning biodiversity conservation have intensified at bean (Phaseolus vulgaris L.), thus, the germplasm collection of this species contained over 200 accessions. This paper presents the comparative study of the main characteristics of 40 dwarf bean (Phaseolus vulgaris L. var. nanus) seeds (weight, length, width, thickness, shape in longitudinal section, color and secondary color distribution) which were cultivated in 2016 in the environmental condition of S- E Romania. Seeds weight (100 seeds mass) varied between 62.12 g (V7) and 19.69 g (V4), having a mean value equal to 38.59 g and a high (28.39%) coefficient of variation. Seeds length varied between 17.68 mm (V7) and 10.13 mm (V40). The coefficient of variation was mean for length (14.18%) and width (14.58%). The highest values concerning seeds width (9.14 mm) and thickness (6.93 mm) was registered at V27, and the lowest values (4.98 mm and 4.23 mm) were registered at V4. More than half of the studied seeds variants presented 1 color (6 - white, 6 - black and 13 with different colors). The secondary color was distributed around hilum (V7-V9), on half of grain (V10) and on entire grain (V24-V34). Most variants presented an elliptic shape or kidney-shaped seeds (shape in longitudinal section); only V27 presented circular shape (length/width ratio was 1.3), and V15 and V40 had rectangular seeds. These results dignify a great variability in what it concerns the biological material collected and also justify the works concerning the biodiversity preservation for this species. | |
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