推荐回答(1个)
根据李属植物的起源中心可分东亚中心(中国)、欧亚中心(亚洲西部及欧洲)和北美中心。作果树栽培的有14个种。常见的有:1.东亚种,包括中国李、乌苏里李及杏李3个。2.欧亚种,包括欧洲李、樱桃李及黑刺李,后两种大都作砧木用。欧洲李可分脯李绿李、黄卵李及仑巴德品种群,欧洲李中有一类果实小,圆球小,黑蓝色,统称为“Oamson”的李品种,为制作果酱的最佳品种。3.北美种,包括美国李及加拿大李。李的优良品种有:1.大石早生,1939年日本福岛县伊达郡大石俊雄从福摩萨自然实生中选出。果实卵圆形,平均单果重50克,最大果重100克,果顶尖,缝合线较深,较对称。底色黄绿,100%着紫红色,果粉多,果点稀。果肉淡黄色或红色,质细、柔软多汁,纤维多、味甜酸,有微香,可溶性固形含量12%,品质上。6月下旬成熟,萌芽率高,成花易,自花结实率低,授粉品种为玉皇李、盖县大李等。抗寒、抗旱。
2.黑宝石,美国品种,亲本Gariota×Nubiana,世界名品,商品名“布朗”。果实扁圆形,平均单果重70克,最大果重120克,果顶圆,缝合线明显,对称,果面100%着紫红色,无果点,果粉少,果肉黄色,质硬韧,汁多、味甜,可溶性固形物含量达12%,离核,品质上。9月中旬成熟。树势强,直立,萌芽率高,成枝力弱,中短果枝结果为主,易早期丰产。自花不结实,授品种盖县大李、花园秋李、七月红。
3.美国大李,原产美国。果实圆形或椭圆形,平均单果重80克,果顶平,缝合线较深,不对称,底色绿,100%着紫黑色,果粉多。果肉橙黄色,肉质致密,汁中多,味甜,有香气,黏核,品质上。9月上旬成熟。枝条粗壮,封顶早,短果枝及花束状果枝结果为主,坐果率高,极丰产,授粉品种黑宝石,澳李14。
4.澳大利亚14号,美国品种。果实圆形,平均单果重90克,果顶圆,稍凹,缝合线浅,明显,两半对称。底色绿,70%着紫红色;果点小,褐色,果粉多。果肉红色,质致密,后熟变软,汁多,纤维少,味酸甜,有香气,品质中上。9月中下旬成熟。树姿直立,自花结实,授粉品种美国大李。丰产,抗旱性强,对细菌性穿孔病敏感。5.龙园秋李,又名红宝石、秋红、晚红、龙园秋蜜。黑龙江园艺所以杏梅×福摩萨杂交育成。果实扁圆形,平均单果重76克,果顶平,缝合线浅,明显,两侧对称,果皮底色黄绿,80%着紫红色,果点大,多、明显,果粉多。果肉橙黄色,肉质致密,多汁、纤维细小,风味酸甜,有香气,可溶性固形物含量15%。8月下旬成熟。短果枝与花束状果枝结果为主,丰产,抗裂果,无采前落果,自花不实,授粉品种以绥陵红、长李15为宜。
6.槜李又名醉李,产浙江桐乡。树势中庸、干性弱、枝条开张。果扁圆形,皮厚,底色黄绿,彩色暗紫红色,平均单果重48克,果肉淡黄色,肉质致密,经4~5天后熟则果肉变软,汁极多,味浓甜,芳香,品质极上。自花结实率低。7月上旬成熟,产量较低。7.黑琥珀李,系黑宝石×玫瑰皇后的杂交种。美国佛雷斯诺试验站育成。果实扁圆形,单果重120~150克,皮紫黑色,单果重120~150克,果肉淡黄色,质硬韧,甜香,品质上,核小。早实、丰产、自花不孕。7月下旬成熟。
8.矮甜李,黑龙江牡丹江农科所以吉林6号与台湾李杂交而成,树冠矮化、结果早。果实心脏形,平均单果重45克,大小整齐,果顶圆形,果实玫瑰红色,果肉黄色,汁多、肉细、无纤维、品质上。可溶性固形物含量14%,离核,核小。花束状果枝结果为主,自花不实,以龙园秋李。绥棱红为授粉品种,8月中旬果实成熟。
9.密思李,原产新西兰,中国李×樱桃李的杂交种,果实圆形,单果重35~50克,果顶圆,果皮红色,果肉黄色,肉质细嫩,汁较多,品质中上,可溶性固形物含量11%~12%。6月上中旬成熟。10.威克森,原产美国。树姿直立,雌雄蕊发育健全但自花授粉结实力差,以圣玫瑰、玫瑰皇后、黑琥珀为授粉品种。果实心脏形,单果重88.6克,黄色,果尖呈鹰嘴状,红色,果肉浅黄色,不溶质,可溶性固形物含量10%左右,味甜,8月上旬成熟,抗寒,耐低温阴湿,丰产。11.大红玫瑰李,美国品种。果实长圆形,单果重91.9克,金黄色底,全面鲜红,果肉橙黄色,品质好,香。8月中旬成熟,抗寒,早实,丰产。
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