【摘要】 对从美国引进的4个扁桃品种的适应性、生长发育、结果等性状进行了系统观察。初步研究结果表明:4个品种在陕西渭北气候条件下均适宜生长,而且能正常开花、结果、收获。4个品种中,以Nonpareil果实出仁率最高,品质最优,生长势、早果性较好,可以作为主栽品种应用;Mission和Neplusultra坚果品质一般,但与Nonpareil授粉良好,在生产上可作为授粉品种搭配;Dulcispioneer生长势最强,但种壳坚硬,种仁小,出仁率低,无商品栽培价值。更多还原

【Abstract】 By systematically studying character of 4 varieties of almond from America,for example,adaptability,development and fruiting,the results showed that four varieties can all grow appropriately in Weibei highland of Shaanxi and can flower,bear fruit and harvest normally.Among four varieties,Nonpareil has nut with the highestkernel rate,the best quality,better growth vigor and earlymaturation,So it can be applied as the main variety.Mission and Nonplus ultra have ordinary nuts,but they can pollinate whit Nonpareil better and can be used as a pollinated variety.Dulcet pioneer has the strongest growth vigor,with hard nut,small kernel and the lowest kernelrate.So it has no business value.更多还原