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Breeding low-chill stone fruit in Thailand

机译:在泰国培育低冷核果

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Historically, opium under wild cultivation in highland areas of northern Thailand, was a threat to national security. In addition, shifting cultivation in hilly topography speeded up environmental degradation. Temperate fruits were introduced into the highland regions of northern Thailand for three reasons: to replace opium crops; because they suited the climate and to conserve and maintain the ecology. Stone fruits, particularly peach, have shown great domestic and export potential due to their non-competitive marketing opportunity. However, only a few obsolete varieties were being cultivated, resulting in limited production areas. So, a collaborative stone fruit breeding program with Texas A&M University was initiated in 1997 to develop new varieties suitable for commercial production in the highland areas of northern Thailand. Several new varieties and advanced selections have been evaluated in the Thai climate and some have been selected for future commercial planting. Thousands of hybrids were planted annually with several objectives, such as adaptability to subtropical highland climate; extending harvesting seasons from February to May; improving fruit qualities, particularly sugar content; and disease resistance, particularly leaf spot and rust. Progress is reported in this paper.
机译:从历史上看,泰国北部高原地区野生种植的鸦片对国家安全构成威胁。此外,在丘陵地带转移种植加速了环境退化。温带水果被引入泰国北部的高地地区,其原因有以下三个:替代鸦片作物;因为它们适合气候并保护和维护生态。核果类水果,尤其是桃子,由于其非竞争性的营销机会而具有巨大的国内和出口潜力。但是,仅种植了一些过时的品种,导致生产面积有限。因此,1997年与德州农工大学发起了一项合作的核果育种计划,以开发适合在泰国北部高原地区进行商业生产的新品种。在泰国气候下,已经评估了一些新品种和高级选择,其中一些已经被选择用于未来的商业种植。每年种植数以千计的杂种,有几个目标,例如对亚热带高原气候的适应性;将收获季节从2月延长至5月;提高水果品质,尤其是糖含量;和抗病性,特别是叶斑和铁锈。本文报道了进展。

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