辽西北票地区油用牡丹物候期观测试验

Observation Experiment of Phenological Period of Paeonia suffruticosa in Beipiao Area of Liaoning Province

通过对辽宁北票地区栽培的油用牡丹开展物候期观测,结果表明:在阳坡生长,3月中旬进入萌动期;3月下旬进入萌发期;4月中旬进入显叶期;4月中下旬进入展叶期;风铃期主要集中在4月下旬;花期集中在5月中旬至5月下旬;果实成熟期在7月下旬至8月上旬;采摘期在8月中旬以后;根系生长旺盛期期在10月下旬—11月上旬;枯叶休眠期在11月中旬至翌年3月中旬;在阴坡上生长,多数物候期的到来时间比阳坡滞后7~15 d。

The observation of the phenological period of Paeonia suffruticosa were conducted in Beipiao Region in Liaoning Province.Result shows that:Growing on a sunny slope,it enters the sprouting period in mid-March;it enters the sprouting period in late March;it enters the leaf-sharp period in mid-April;In the latter half of the year,it enters the leaf development period;the wind chime period is mainly concentrated in late April;the flowering period is concentrated in mid-May to late May;the fruit ripening period is from late July to early August;the picking period is after mid-August;the vigorous period for root growth is from late October to early November;the dormant period of dead leaves is from mid-November to mid-March of the following year;it grows on a shady slope,and most of the phenological periods arrive 15 days later than that of the sunny slope.