Male Sterility Systems in Major Field Crops and Their Potential Role in Crop Improvement uri icon

abstract

  • Male sterility is a phenomenon where the male reproductive parts of theplants do not develop normally and fail to participate in sexual reproduction.The male sterility is of different kinds and can arise through a numberof biological abnormalities. Among these, cytoplasmic nuclear male sterilityhas been extensively used by plant breeders to achieve breakthrough inthe productivity of various field and horticultural crops through the developmentof hybrid cultivars. The impact of this technology is visible incrops like maize, rice, sorghum, pearl millet, etc., and this has helped inencountering the challenges of global food security. Among high-proteinlegumes, the world?s first hybrid was released recently with record 3?4 t/ha of grain yield. This chapter briefly discusses the types of male sterilitysystems available in different crop species and their potential uses. Besidesthis, various methods of creating different male sterility systems are alsodescribed

publication date

  • 2015
  • 2015