Course Content
Diversity, classification, and nomenclature of cultivated plants, weeds, microbes, and insect-pests
Centers of diversity of crops and wild genetic diversity
Learn introductory biotechnology and biodiversity with Braimy- B.Sc Agriculture
About Lesson

a) Failure of zygote development:

  • Lethal gene, chromosome elimination, incompatible cytoplasm, endosperm abortion.
  • Eg: Triticum + Secale —> Triticale

b) Failure of seedling development:

  • Complementary lethal gene
  • aestivum + T. dicoccum à Hybrid chlorosis à necotic hybrid.

c) Failure of zygote formation:

  • Pollen unable to reach embryo sac.
  • Pollen burst on other species.
  • Long style out short pollens.
Join the conversation
Scroll to Top