`Jonathan' apple is a lower-potency pollenizer of `Topred' than `Golden Delicious' due to partial S-allele incompatibility

IF 1.7 4区农林科学 Q2 HORTICULTURE

Journal of Horticultural Science & Biotechnology Pub Date : 1999-01-01 DOI:10.1080/14620316.1999.11511125

M. Goldway, Osnat Shai, H. Yehuda, A. Matityahu, R. Stern

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引用次数: 29

Abstract

Summary`Topred' is one of the main apple cultivars in Israel. Since `Topred' exhibits full self incompatibility, its fruit production is totally dependent on cross pollination. The two commercial pollenizers of `Topred' in Israel are `Golden Delicious' and `Jonathan'. In the study presented here, the potential of these two pollenizers was determined. In two consecutive seasons, it was found that the rate of fruit-set and fruit yield were significantly higher in the rows of `Topred' adjacent to the `Golden Delicious' as compared with the rows adjacent to the `Jonathan'. PCR analysis of the S-alleles, a polymorphic gene locus, determining the outcome of pollination, revealed that `Jonathan' and `Topred' share allele S9. PCR-S-allele analysis of progeny seedlings revealed that in `Jonathan' only S7, the unshared allele, took part in fertilization, whereas both alleles of `Golden Delicious' (S2,S3) participated at equal rates. Thus, the lower potency of `Jonathan' as a pollenizer of `Topred' is due, at least ...

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由于部分s等位基因不相容，“乔纳森”苹果是“Topred”的效力低于“金冠”的授粉者

“topred”是以色列的主要苹果品种之一。由于“Topred”表现出完全的自交不亲和，它的果实生产完全依赖于异花授粉。“Topred”在以色列的两种商业授粉剂是“Golden Delicious”和“Jonathan”。在这里提出的研究中，确定了这两种传粉者的潜力。在连续两个季节，发现‘Topred’与‘金冠’相邻的行比‘Jonathan’相邻的行坐果率和果实产量显著更高。对决定授粉结果的多态性基因位点s等位基因的PCR分析显示，‘Jonathan’和‘Topred’具有相同的等位基因S9。后代幼苗的pcr - s等位基因分析显示，‘乔纳森’只有S7(非共享等位基因)参与受精，而‘金冠’(S2,S3)的两个等位基因参与受精的比例相同。因此，“乔纳森”作为“Topred”的授粉者的效力较低是由于，至少……

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来源期刊

Journal of Horticultural Science & Biotechnology 农林科学-园艺

CiteScore

3.90

自引率

5.30%

发文量

审稿时长

3 months

期刊介绍： The Journal of Horticultural Science and Biotechnology is an international, peer-reviewed journal, which publishes original research contributions into the production, improvement and utilisation of horticultural crops. It aims to provide scientific knowledge of interest to those engaged in scientific research and the practice of horticulture. The scope of the journal includes studies on fruit and other perennial crops, vegetables and ornamentals grown in temperate or tropical regions and their use in commercial, amenity or urban horticulture. Papers, including reviews, that give new insights into plant and crop growth, yield, quality and response to the environment, are welcome, including those arising from technological innovation and developments in crop genome sequencing and other biotechnological advances.