Effect of plant density and initial crown size on growth, development and yield in strawberry cultivars Elsanta and Bolero
De Camacaro, M. E. P., Camacaro, G. J., Hadley, P., Dennett, M. D., Battey, N. H. and Carew, J. G. (2004) Effect of plant density and initial crown size on growth, development and yield in strawberry cultivars Elsanta and Bolero. Journal of Horticultural Science & Biotechnology, 79 (5). pp. 739-746. ISSN 1462-0316
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The effects of density (plant spacing) and initial plant size on vegetative growth, flowering and fruiting were studied in the strawberry cultivars Elsanta and Bolero in their first and second years of cropping. The influence of these factors on light use and dry-matter partitioning was investigated. The size of planting material in 'Elsanta' and 'Bolero' slightly affected plant growth and yield, but this effect was not consistent and radiation use efficiency (RUE) and harvest index were unaltered. Plant spacing did not significantly affect the early stages of crop growth, but was important in determining growth and yield later in the season, this effect being more significant in the second year of cropping. Plant growth and yield per plant increased as plant spacing increased from 20 to 30 cm in both 'Elsanta' and 'Bolero', but the highest harvest index and yield per square metre were obtained at the closest spacing. Increased plant spacing also resulted in a greater leaf area and leaf area index. However, light was used less efficiently resulting in a lower RUE and lower harvest index (HI).