【摘要】 初步试验结果表明：盛花期喷布３００×１０－６乙烯利，或１波美度石硫合剂，幼果期喷布２０００×１０－６敌百虫，或２０×１０－６禁乙酸铵＋１００×１０－６乙烯利，分别对晚三吉和身不知等砂梨品种的疏花疏果作用，达显著或极显著水平。更多还原

【Abstract】 The initlal results Of the study showed that the effects of flower thinning by spraying 300mg·kg-1 ethrel,or 1 B. lime sulfur at the full flowering period; fruit thinning by spraying 2000 mg·kg-1 dipterex, or 20mg·kg-1 naphthyl acetamine mixed witb 100mg·kg-1 ethrel at the young fruit period on sand Pear Culti-vars“Okusankichi”and“Shenbuzhi”were significant or very significant repectivily更多还原