上海地区15个猕猴桃品种引种适应性比较

通过对引种上海的包括2个种的15个猕猴桃品种进行了连续3年的物候期、适应性及果实品质评价,结果表明,最早成熟的‘金早’与最晚成熟的‘布鲁诺’成熟期差异达到71d;适应性评价,湖北、江西、江苏、安徽育成的一些品种成活率较高,均在75%以上;‘金魁’的成活率最高,达到100%;‘81-5’的抗褐斑病能力最强。果实品质的评价,其中‘81-5’果形最大,达到单果重160g;中华猕猴桃与美味猕猴桃相比,中华猕猴桃属于小果形(≤90g)品种数量较多。‘金阳’可溶性固形物含量最高,为19.50%;‘金魁’可滴定酸含量最高,为1.71%;‘红阳’可滴定酸最低,为0.58%;‘金阳’、‘红阳’、‘金农’和‘徐香’4个品种风味最佳;供试品种之间维生素C含量差异极大,维生素C含量最高的品种为‘布鲁诺’,为387.32mg/100g,含量最低为‘桂海4号’,为57mg/100g;‘徐香’香气最为浓郁。上海地区筛选出优良的猕猴桃品种有:金魁、徐香、米良1号;中华猕猴桃品种有:金阳、81-5、武植3号、金农。

Adaptability Comparison of Fifteen Introduced Kiwifruit Varieties in Shanghai Area

The phenophase, adaptability and fruit quality of 15 kiwifruit varieties from two species in Shanghai were investigated. The results showed that the mature time difference between the earliest mature ＇Jin Zao＇ and the latest maturity ＇Bruno＇ was 71 days. The survival rate was more than 75%, and the varieties bred in Hubei, Jiangxi, Jiangsu and Anhui province, including ＂Jin Kui＇ had the highest survival rate of 100%; Variety ＇81-5＇ showed strongest resistance to brown spot disease. ＇81-5＇ had the biggest size fruits with 160 g of single fruit weight; Compare with ActinidiaDeliciosa,Actinidia chinensis Planch had much more varieties belonging to Actinidia chinensis Planch with small fruit shape （490 g） ＇JinYang＇ contained 19.50% of soluble solids which was the highest level; The titratable acid content in ＂Jin Kui＇ and ＂HongYang＂ were 1. 71% （the highest one） and 0. 58% （the lowest one）, respectively. ＇JingYang＇, ＇JinNong＇,‘ HongYang and ＇XuXiang＇ 4 varieties had the best flavor; Vitamin C content was very dlfferent among tested varities. Vitamin C in ＇Bruno＇was the highest with 87. 32 mg/100 g, and in