Relationship Between Seed Maturity of Platycodon grandiflorum ( Jacp.) A. DC. and Major Meteorological Factors 桔梗种子成熟与主要气象要素的关系
Embryonic Studies On Platycodon grandiflorum A. DC II-Megasporogenesis And Female Gametophyte, Embryo and Endosperm Developments 桔梗(PlatycodongrandiflorumA.DC)胚胎学研究&Ⅱ.大孢子发生、雌配子体发育、胚及胚乳发育