ISHS Acta Horticulturae 262: V International Symposium on Rubus & Ribes
HARVEST COMPARISON OF TEN WILLAMETTE CLONES |
| Authors: | P.P. Moore, J.A. Robbins, T. Sjulin |
| Abstract:
Field performance of ten 'Willamette' red raspberry clones was compared in 1987 and 1988. Eight of the clones were from productive grower fields established prior to the start of the Washington State Department of Agriculture raspberry certification program. The other two clones were from certified stock; one was a 1964 clone used as certified propagation stock, and the other was a 1980 meristem clone from heat treated plant material. In both years, there were no differences among clones for yield, fruit firmness or fruit rot. In each year, there were significant differences among clones for fruit weight and midpoint of harvest. The average fruit weight of the two certified clones was not significantly less than the largest fruited clones. Both certified stocks had significantly later midpoint of harvest each year than the earliest clone. | |
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