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首页> 外文期刊>Acta Horticulturae >Accumulation of total soluble solids in processing tomatoes.
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Accumulation of total soluble solids in processing tomatoes.

机译：加工番茄中总可溶性固形物的积累。

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Total soluble solids (TSS) and yield in processing tomato are influenced by a number of factors - genetics, growing environment and management practices. Translocation of assimilates (a major constituent of TSS) within plant parts is also known to be affected by growing conditions and plant age. Considering the possible relationship between soluble solids accumulation in plant parts and the final soluble solids content of fruit, a preliminary investigation into plant solids accumulation in processing tomatoes was undertaken during the 2002/03 season in a furrow irrigated crop. Whole plants of ten processing tomato cultivars were sampled throughout the season and TSS (measured as degrees Brix) levels were measured in their leaves, stems and fruits. The results indicated significant correlations between TSS levels in the mature fruit and in the stem at particular growth stages. This suggests the opportunity for agronomic management of plant growth to control fruit soluble solids accumulation in the fruit. In the following season (2003/04) four cultivars were sampled from three drip-irrigated blocks receiving different irrigation treatments over the final stages of maturity. Weekly samples were taken from initial fruit development to harvest, and TSS was measured in leaves, stems and fruit. Fruit yield was also recorded at commercial harvest stage. As the irrigation treatments had minimal effect on crop performance, results were statistically analysed considering each block as a replicate. Significant differences in TSS were observed between cultivars for ripe fruit at harvest as well as two weeks prior to harvest. Significant correlations were again found between final fruit TSS and that in the stem measured 2-4 weeks before harvest..
机译：加工番茄的总可溶性固形物（TSS）和产量受多种因素影响-遗传，生长环境和管理措施。还已知同化物（TSS的主要成分）在植物部分内的转运受生长条件和植物年龄的影响。考虑到植物部分中可溶性固形物积累与果实最终可溶性固形物含量之间可能存在的关系，在2002/03年度的沟灌作物中对加工番茄中植物固形物积累进行了初步调查。在整个季节中对十个加工番茄品种的全株进行采样，并测量其叶，茎和果实中的TSS（以白利糖度为单位）水平。结果表明，在特定生长阶段，成熟果实和茎中TSS水平之间存在显着相关性。这表明对植物生长进行农艺管理以控制果实中可溶固形物积累的机会。在接下来的季节（2003/04年），在成熟的最后阶段从三个接受不同灌溉处理的滴灌块中抽取了四个品种。从最初的果实发育到收获，每周取样一次，并测量叶，茎和果实中的TSS。在商业收获阶段也记录了水果产量。由于灌溉处理对作物生长的影响极小，因此将每个区块作为重复进行统计分析。在收获时以及收获前两周，成熟果实的品种之间观察到TSS的显着差异。最终果实TSS与收获前2-4周测得的茎中的TSS之间又发现了重要的相关性。

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