CROSSABILITY OF WHEAT WITH RYE AND CHARACTERISTICS OF MALE GAMETES DEVELOPING OF A WHEAT/RYE HYBRID Formation of microspores and development of male gametes in Paeonia jishanensis, with an analysis of factors of endangerment of this entity Cytological study of backcross plants Chinese Spring ph1b mutant with different Aegilops by common wheat Meiotic Observation and Male Gametes Development in Cytoplasmic Male Sterile of Pepper ( Capsicum annuum L. ) Meiotic Observation and Male Gametes Development in Cytoplasmic Male Sterile of Pepper ( Capsicum annuum L. )