Variation of Growth and Disease Characters Between Clones of Potato (Solanum tuberosum L.)
2007
Nielsen, S. L | Bång, H | Kotkas, K | Kristensen, K | Palohuhta, J. P | Rosenberg, V | Tolstrup, K
The occurrence and magnitude of variation of selected characters in clones derived from meristem tips of four potato cultivars in field trials in three countries was assessed. Recorded were: the number of plants per plot; maturity of plants; skin and flesh colour; tuber deformity; time of emergence; flowering; number of stems and tubers per plant; tuber size, yield and dry matter percentage; and the occurrence of common scab. Far more significant differences between clones than could be expected by chance were found for the last eight characters. Most of the significant differences for number of stems per plant, number of tubers, yield and tuber size distribution were found in six clones of three cultivars and were repeated at different locations and in different years. It is concluded that significant clone differences exist and are repeated at independent locations over the years.
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