An experiment was conducted to study (mou)phological features, phenological characteristics and eco-adaptability of four interspecific hybrids introduced from Missouri, USA to Heilongjiang Forest Botanical Garden of Harbin, Heilongjiang Province.Results show that the survival rates of the four interspecific hybrids, Bartzella, Border Charm, Garden Treasure and Lafayette Escardrille, are all 100 percent, and they all exhibit good adaptability. The four varieties of hybrid plants grow well in Harbin and produce abundant root sprouts. The bright-colored flowers of the hybrid plants have the characteristics of both paeonia suffruticosa and paeonia lactiflora. The four interspecific hybrid plants are easy to grow and manage, and they also have great ornamental values.%对黑龙江省森林植物园新引进的原产于美国密苏里州的4个芍药与牡丹的组间杂种'Bartzella'、'Border Charm'、'Garden Treasure'、'Lafayette Escardrille'进行了以形态特征、物候、生态适应性为主的引种栽培研究.结果表明:4个组间杂种的成活率均为百分之百,表现出良好的适应性.植株长势良好,萌蘖数较多,花色艳丽,兼具了牡丹及芍药的特性,不仅易于栽培管理,更具有较高的观赏应用价值.
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