喷施磷酸二氢钾对桃叶片和果实性状的影响Effects of spraying KH_2PO_4 on the content of chlorophyll in leaf and leaf weight and fruit quality of peach cultivars
李靖;王政;庞振亚;方庆;李成斌;
摘要(Abstract):
以不同成熟期的桃品种豫甜、豫香、秋甜、秋蜜红为试材,研究了喷施磷酸二氢钾对其叶片叶绿素含量、干鲜质量比及果实的可溶性固形物含量、可溶性糖含量、可滴定酸含量、维生素C含量等品质特性的影响。结果表明,喷施磷酸二氢钾能提高叶片中叶绿素含量、干鲜质量比和果实可溶性固形物含量、可溶性糖含量;对果实的可滴定酸含量、维生素C含量影响不明显;叶片喷施不同浓度和次数的磷酸二氢钾均可推迟桃果实成熟期;喷施清水和对照处理间叶片性状和果实品质差异不明显;喷施磷酸二氢钾浓度和次数以500mg/L3次效果最显著,以300mg/L3次最经济有效。
关键词(KeyWords): 桃;磷酸二氢钾;叶片性状;果实性状
基金项目(Foundation): 河南省科技转化项目(30400224)
作者(Author): 李靖;王政;庞振亚;方庆;李成斌;
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参考文献(References):
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