The quantitative resistance gene pi21 from Sensho was introgressed to an indica breeding line IR63307-4B-13-2, a pyramid......

In order to obtain marker-free transgenic rice with improved disease resistance, the AP1 gene of Capsicum annuum and hyg......

用原产我国野生葡萄６种１３个株系和１０个欧洲葡萄品种的杂交组合；抗病×抗病，抗病×感病和感病×感病三类，获一代杂种１５６５株；二代杂种......