桂脐1号脐橙果实生长发育规律的研究

Study on Fruit Growth and Development of New Variety "Guiqi No.1 Navel Orange"

对桂脐1号脐橙在桂林的果实生长发育规律进行了观察研究。结果表明：桂脐1号脐橙的生长曲线呈抛物线生长，不同年份其果径增长速率曲线存在一定差异，6~7月是桂脐1号脐橙果实迅速膨大期。因此，在每年的5～6月加强肥水管理，特别是有机肥的供应，是保证果实正常生长发育的关键。

The fruit growth and development of Guiqi No.1 Navel Orange in Guilin was observed in 2009 and 2011. The results showed that the fruit growth curve of Guiqi No.1 Navel orange showed a parabola. There are some differ- enees in different years for the fruit diameter growth rate curve.The time of the Guiqi No.1 Navel orange fruit ex- panding rapidly is from June to July. Therefor, to strengthen the fertilizer and water management, especially the supply of organic fertilizer from May to June is the key to ensure the normal growth and development of fruit