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Genetic parameters for fruit mineral content in an interspecific pear (Pyrus spp.) population
New Zealand Journal of Crop and Horticultural Science ( IF 1.2 ) Pub Date : 2019-04-01 , DOI: 10.1080/01140671.2019.1596958
William Viera 1 , Christopher Winefield 2
Affiliation  

ABSTRACT There is a lack of data and information on mineral content in pear fruit and none on the genetic parameters related to these individual elements. The aim of this research was to report mineral composition of pear fruit and to determine the quantitative genetic parameters of mineral content in fruit from interspecific pear populations. There was a high genetic component involved in the accumulation of boron and aluminium in the fruit, with heritabilities of as much as 0.72. Iron had a positive genetic correlation with accumulation of zinc (0.72) and sulphur (0.71), while chromium had a negative correlation with nickel (−0.77), phosphorus (−0.70) and magnesium (−0.4) accumulation. Parents of the same origin (Asian or European) had similar estimated breeding values for total mineral content. Macro element mineral content of fruit was: 4% calcium, 13% phosphorus, 76% potassium, 5% magnesium and 2% sulphur and for micro element mineral content 39% boron, 12% iron, 8% zinc, 4% manganese, 7% copper, 0.4% chromium, 9% nickel and 21% aluminium.

中文翻译:

种间梨(梨属)种群果实矿物质含量的遗传参数

摘要 目前缺乏梨果实中矿物质含量的数据和信息,也没有与这些单个元素相关的遗传参数。本研究的目的是报告梨果实的矿物质成分,并确定种间梨种群果实中矿物质含量的定量遗传参数。果实中硼和铝的积累具有很高的遗传成分,遗传力高达0.72。铁与锌 (0.72) 和硫 (0.71) 的积累呈正相关,而铬与镍 (-0.77)、磷 (-0.70) 和镁 (-0.4) 的积累呈负相关。相同来源(亚洲或欧洲)的亲本对总矿物质含量具有相似的估计育种值。水果的常量元素矿物质含量为:
更新日期:2019-04-01
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