ISHS Acta Horticulturae 592: V International Peach Symposium
EVALUATION AND BREEDING OF PEACHES AND NECTARINES FOR SUBTROPICAL TAIWAN |
| Authors: | I. Wen, W.B. Sherman |
| Keywords: | low-chill, Prunus persica, soluble solids, titratable acid, germplasm |
| DOI: | 10.17660/ActaHortic.2002.592.27 |
| Abstract:
About 300 peach and nectarine (Prunus persica (L.) Batsch) genotypes were introduced from Brazil, Japan, South Africa and the United States (Florida) in the last 20 years and evaluated against the standard Taiwan subtropical peaches. The older introduced genotypes ‘Maravilha’, ‘P-112’, and ‘Premier’ are the best adapted, have high fruit sugar and aroma, and are grown commercially. These observations on tree and fruit characteristics are the latest evaluations of low-chill genotypes for forty-seven peaches and twenty-two nectarines in the fruit germplasm repository at RONA, Taiwan. ‘UFGold’ and two other non-melting flesh peach genotypes were judged good enough to replace ‘Ing-go’, a local stony hard flesh peach. Nine nectarine genotypes showed no fruit cracking at ripening, which is a major problem in earlier introduced nectarine genotypes. Three nectarine genotypes have large fruit of excellent flavor. They ripen from late April through mid-May and before the rainy season begins. The tree adaptation and large fruit of high quality found in some of the introduced peach and nectarine genotypes not only show potential for their commercial production, but also the potential for use as parents in the Taiwan breeding program. Traditional Taiwan consumers prefer white flesh, juiciness, high brix, and sub-acid (honey) taste in peaches. Six genotypes with these characteristics were selected in the Taiwan breeding program for advanced testing. | |
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