1. Leaves with dense long stalk dendroid trichome, long stalk forked trachoma and long stalk trichome with big glandular cells were resistance to the disease.
叶背毛为较稠密的长柄树状毛、长柄叉状毛、长柄单枝毛和长柄、腺细胞大的粘性腺毛的泡桐为高度抗病。
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2. Leaves with dense long stalk dendroid trichome, long stalk forked trachoma and long stalk trichome with big glandular cells were resistance to the disease.
