【摘要】 新疆3个扁桃品种在河北省保定生长正常,以毛桃为砧木的2年生树即能形成花芽并结果;花器发育正常,花药内花粉数量多,有正常的发育能力;供试品种自花结实率为0或极低,属异花结实类型;新疆扁桃能在各类结果枝上形成花芽熏但以中、短结果枝结果为主,3月下旬至4月上旬开花,有两次落花落果高峰,结果初期坐果率低,均在10%以下;果实及种子发育正常,果实8月下旬到9月上旬成熟,平均果实干重3.54g,种子(包括内果皮和种仁)干重2.05g,种仁干重0.91g,出仁率为44.4%。更多还原

【Abstract】 Three varieties of Xinjiang almond grow normally.The trees on rootstock of Amygdulus persica form flower buds in the second year after planted.Flower bud differentiation of three cultivars are normal in Baoding,Hebei province.Its flower organs develop normally and are vital.Quantity of pollen is plentiful.Almond belongs to self-sterility or cross-fertilization.Almond fruiting relies on middling and short fruit shoots mainly.They bloom in late March and early April.There are two peaks in flower falling and premature fruit dropping.The bearing tree rate is bellow10%.Fruits and seeds develop normally and mature from late August to early September.The average stone weight is2.05g,with an average weight of kernel of0.91g.The kernel rate is44.4%.更多还原