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2017, vol. 21, iss. 3, pp. 174-177
Effects of seed coat colour on the seed quality and initial seedling growth of red clover cultivars (Trifolium pratense)
Institute for Plant Protection and Environment, Belgrade
Improvement of genetic potential and technologies in forage crops production in function of sustainable animal husbandry development (MESTD - 31057)
Development of integrated approach in plant protection for control harmful organisms (MESTD - 31018)

Keywords: vigour; red clover; seed coat colour; seed quality
The objective of this study was to investigate the influence of seed coat colour on the seed quality of four red clover cultivars (germination, dormancy (hard seeds), dead seeds and initial seedling growth (vigour)) produced in Serbia over a period of two years. The seeds analyzed were first separated visually into bright, dark and mixed seed groups, followed by subsequent digital colour measurements. The results obtained showed that the seed coat colour of red clover could be considered a good indicator of seed quality and seedling growth ability. The results furthermore showed that bright-coloured seeds of red clover cultivars indicated increased vigour and seed quality compared to other colours. The impact of the production area and year on the seed quality parameters was inconclusive. A high variability in hard (CV = 22.22 %) and dead seeds (CV = 40.18 %) was recorded between different seed lots of red clover. A lower variability was found in the germination parameter of bright- and mixed-coloured seeds (CV = 4.53 % and CV = 8.53 %). The seed coat colour could be an important factor in determining the quality of red clover seeds, potentially increasing germination simply by removing dark-coloured seeds.
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article language: English
document type: Original Scientific Paper
DOI: 10.5937/JPEA1703174V
published in SCIndeks: 26/10/2017