早熟砂梨矿质营养适宜值研究Study on the optimum parameters of mineral nutrition in orchard for early season pear cultivars
李美桂;谢文龙;谢钟琛;施清;李健;
摘要(Abstract):
通过对翠冠、蜜雪梨2个早熟砂梨(Pyrus pyrifolia)主栽品种高产果园大样本群体叶片(翠冠n=115、蜜雪梨n=62)、土壤(n=277)矿质营养因子的统计分布,以及"产量等级"与元素相关性研究,建立了亚热带季风红壤地区,并以豆梨(Pyrus calleryana)为砧木条件下的2个品种的10项叶片矿质营养适宜指标,以及13项砂梨的土壤有效态营养适宜指标。并经叶片营养适宜值差异显著性检验与高接比对验证,翠冠叶片N、K适宜范围显著高于蜜雪梨。另外,经高接比对试验逆向推理,若同砧高接的不同品种营养差异显著,则它们的营养适宜范围差异也显著,否则一致。据此,蜜雪梨叶片营养诊断标准可供黄花梨参考应用。此外,所建立的土壤诊断标准可供亚热带季风红壤地区,与砧木为豆梨等背景条件相似的砂梨产区应用。
关键词(KeyWords): 砂梨;翠冠梨;蜜雪梨;矿质营养适宜值
基金项目(Foundation):
作者(Author): 李美桂;谢文龙;谢钟琛;施清;李健;
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DOI:
参考文献(References):
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