7个树莓品种哈尔滨地区生长节律研究

Study on Growth Rhythm of Seven Rubus idaeus in Harbin

对7个树莓品种进行研究的结果表明:树莓5月中旬萌动,6月中旬至7月中旬不同品种树莓相继转入生殖生长期。7、8月份为一次果实成熟期;8、9月份是双季品种的二次果实成熟期。单品种树莓成果采摘期约为20天,生长期120天左右。不同品种树莓果实成熟期可从7月中旬持续到9月下旬。基生枝年平均生长量为136.5 cm,生长旺盛期为7～8月份,且单季树莓高于双季品种。

Seven Rubu3 idaeu3 sprout mid May in Harbin. Different varieties enter the reprodoetive growth stage sequentially from mid June to mid July. The first fruiting period was July and August. Second fruiting period in August and September for double cropping varieties. Fruit picking period was about 20 days. Growth period was about 120 days. There was divergencet on phenology among varieties. Fruiting period of different Rubus idaeus continues from mid July to late September. The average annual increment of basal braehes is 136. 5era. The peak was in July and August. It was less for double eroooing varieties.