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对塔罗科血橙、脐血橙果实纵横径定期田间测定，研究表明，２个品种（系）的果实纵横径在整个生长过程中均出现３次生长高峰，呈单“Ｓ”形曲线增长，脐血橙出现高峰期比塔罗科血橙推迟１０ｄ左右。４～１０月果实净生长量分别与气温呈显著和极显著相关（Ｐ＜００５，Ｐ＜００１），与相对湿度都呈极显著相关（Ｐ＜００１）。说明橘园在不受干旱影响的情况下，相对湿度、气温是影响果实大小的主要因素。当年采样分析（１０月２０日），塔罗科血橙单果均重１５０～１８０ｇ，皮薄；脐血橙果大，皮稍厚，单果均重１８０～２００ｇ。２个血橙品种（系）全糖分别为９３６ｇ／１００ｍＬ，９８０ｇ／１００ｍＬ；含酸量分别为０７６ｇ／１００ｍＬ，０９５ｇ／１００ｍＬ；可溶性固形物分别为１１５０％，１２％。
The field measurements of vertical and horizontal diameter of orange and umbilical cord blood of Tarot were conducted on a regular basis. The results showed that the vertical and horizontal diameter of fruit of the two cultivars showed three growth peaks in the whole growth process, showing a single “S” curve growth , Umbilical blood orange peak than the Tarot blood orange postponed about 10d. Net fruit growth from April to October was significantly and significantly correlated with temperature (P <005, P <001), respectively, and had significant correlation with relative humidity (P <001). This shows that relative humidity and temperature are the main factors affecting the fruit size of Orangery without being affected by drought. Year sampling analysis (October 20), Tarot blood orange single fruit weight 150 ~ 180g, thin skin; large umbilical cord blood orange, thicker skin, fruit weight 180 ~ 200g. The total contents of the two blood orange cultivars (lines) were 936g / 100mL and 980g / 100mL, respectively. The acid contents were 076g / 100mL and 095g / 100mL respectively. The soluble solids contents were 1150% , 12%.