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首页> 外文期刊>Acta horticulturae et regiotecturae >EFFECTS OF SALINITY AND PLANT GROWTH MEDIA ON IN VITRO GROWTH AND DEVELOPMENT OF TARO (COLOCASIA ESCULENTA L.) VARIETIES
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EFFECTS OF SALINITY AND PLANT GROWTH MEDIA ON IN VITRO GROWTH AND DEVELOPMENT OF TARO (COLOCASIA ESCULENTA L.) VARIETIES

机译：盐度和植物生长培养基对塔罗（COLOCASIA ESCULENTA L.）品种体外生长和发育的影响

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摘要

Taro Colocasia esculenta is a staple food in most countries of the South Pacific region. However, the recent changes in the climatic conditions and the associated factors became a threat to growing taro in the region. Rising sea level and frequent dryand wet conditions had led to increased soil salinity which is a limiting factor in producing taro in these atoll islands. The aim of this research was to screen selected taro varieties based on their ability to tolerate salinity conditions in Samoa. Effects of three salinity levels (0.2, 3% and 5%), and growth hormones Benzylaminopurine (BAP) and Thidiazuron (TDZ) were examined on growth and development of in vitro grown taro varieties. Plant height, number of leaves, and number of roots produced werecompared in the selected varieties. Results suggest that all varieties had callus induction and regeneration in MSO medium. Addition of BAP induced better growth and the plants produced higher number of leaves, whileTDZ improved roots proliferation in C. esculenta. Solomon variety performed best in high salinity conditions. Samoa-1 grew taller and had more leaves and roots compared to Samoa-2 variety.Thus, we suggest Solomon and Samoa-1 could perform better in high-salinity conditions.
机译：芋头芋在南太平洋地区的大多数国家都是主食。然而，最近气候条件的变化和相关因素成为该地区芋头生长的威胁。海平面上升和频繁的干湿条件导致土壤盐分增加，这是在这些环礁岛上生产芋头的限制因素。这项研究的目的是根据其耐受萨摩亚盐分状况的能力来筛选选定的芋头品种。研究了三种盐度水平（0.2、3％和5％）以及生长激素苄氨基嘌呤（BAP）和噻二唑隆（TDZ）对芋头芋体外生长发育的影响。比较所选品种的株高，叶片数和根数。结果表明，所有品种在MSO培养基中都有愈伤组织的诱导和再生。 BAP的添加诱导了更好的生长，并且植物产生了更多的叶片，而TDZ改善了番茄的根增殖。所罗门品种在高盐度条件下表现最佳。与Samoa-2品种相比，Samoa-1长得更高，叶子和根部也更多。因此，我们建议所罗门和Samoa-1在高盐度条件下表现更好。

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