Growth, yield, and fruit quality of two non-astringent persimmon (Diospyros kaki) cultivars, Izu and Fuyu, in subtropical Australia [Queensland]
1994
George, A.P. | Nissen, R.J. (Queensland Dept. of Primary Industries, Nambour (Australia). Maroochy Horticultural Research Station) | Collins, R.J. (Queensland Univ., Lawes (Australia). Gatton College)
Growth, yield, and fruit quality of 2 non-astringent persimmon (Diospyros kaki) cultivars, Izu and Fuyu, were evaluated under subtropical conditions of coastal Australia. Although maximum tree yields for Izu and Fuyu were high (24 and 37 t per ha, respectively) the percentage of fruit suitable for export was low and variable (range: Izu 8.5-47 percent; Fuyu 28-44 percent). Main fruit quality defects were wind rub, petal adherence marks, fruitfly stings, calyx cavity, sunburn, and bird damage. Without fruit thinning, both cultivars were susceptible to overcropping in some seasons, which resulted in a high percentage (greater than 40 percent) of small fruit (less than 150 g). Most fruit (more than 80 percent for Izu and 90 percent Fuyu) had Brix levels higher than the recommended export standard of 40 deg.
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