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首页> 外文期刊>The Journal of Horticultural Science & Biotechnology >Rapid identification of phosphorus-efficient genotypes from commercially grown tomato (Solanum lycopersicum L.) varieties in a simulated soil solution
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Rapid identification of phosphorus-efficient genotypes from commercially grown tomato (Solanum lycopersicum L.) varieties in a simulated soil solution

机译：在模拟土壤溶液中从商业种植的番茄（Solanum Lycopersicum L.）品种的快速鉴定磷的有效基因型

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This study aimed at developing a successful scheme to identify P-efficient varieties. A simulated soil solution (SSS), comprised of Hoagland solution slightly modified with tri-calcium phosphate (TCP) as the sole P source, was evaluated. The identified SSS was then used to screen P-efficient tomato varieties based on their relative shoot dry biomass in a low P SSS condition (LP). The identified varieties were characterised for their P efficient traits including root characteristics and low-P stress factor (PSF). The nutrient solution with TCP and 15 mM extra CaCl2 was the best SSS for identifying P-efficient varieties. Among the tested varieties, 'Japanese Black Trifele Og' (JBT) and 'Great White Og' (GW) were the most P-efficient; 'Green Tiger' (GT) and 'Chefs Choice Orange F1MODIFIER LETTER PRIME (CCO) were the least P-efficient varieties. JBT had the greatest relative root morphological traits (root dry mass, length, volume, and fork number) and the lowest PSF (30%). On the contrary, CCO had the greatest PSF (80%) indicating poor performance in LP condition. The selected P-efficient tomato varieties can also be used to identify the P efficiency regulating genes. In the future, improved tomato varieties can be developed through biotechnology and breeding programmes using the identified P-efficient genotypes.
机译：本研究旨在制定成功的计划来识别高效的品种。评价了一种模拟的土壤溶液（SSS），其包括用磷酸三钙（TCP）略微改性的Hoagland溶液作为唯一的P源。然后将所识别的SSS用于筛选基于低P SSS条件（LP）中的相对芽干生物量的高效番茄品种。所识别的品种的特征在于它们的P效率性状，包括根特征和低p应激因子（PSF）。具有TCP和15mm额外CaCl2的营养溶液是用于识别P型效率的最佳SSS。在经过测试的品种中，'日本黑色三核OG'（JBT）和'大白OG'（GW）是最高效的; “绿色老虎”（GT）和'厨师选择橙色F1辐装器字母Prime（CCO）是最低效率的品种。 JBT具有最大的相对根形态特征（根干料，长度，体积和叉数）和最低PSF（30％）。相反，CCO具有最大的PSF（80％），表明LP条件下的性能不佳。所选择的p型高效番茄品种也可用于鉴定P效率调节基因。在未来，可以通过使用鉴定的p效率基因型通过生物技术和育种计划来开发改进的番茄品种。

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