7-O-[β-D-apiofuranosyl(1 →2)]-β-D-glucopyranoside on the ground of chemical and spectroscopic methods....

以矮生一品红苞片为外植体进行再生组织培养,结果表明,愈伤组织诱导率和分化率受培养基中激素种类及浓度影响较大,高浓度的生长素......

【目的】玉米籽粒脱水速率快、收获期含水率低是适宜机械粒收品种的基本要求。穗部性状是玉米遗传基础的直观表现,与籽粒脱水有较......

采用体外血浆复钙时间法,以维生素k1作为促凝血和灯盏花素作为抗凝血作用阳性对照,对玉蜀黍轴及苞叶石油醚、乙酸乙酯和正丁醇提取......

By the observation of chloroplast ultrastructure in different period of bract colors of Euphorbia pulcherrima, the paper......