4.1 Plant breeding :- is an applied branch of Botany which involves collective use of an art and science for changing and improving the heridity of plants in order to create desired types.
Obj. :- i) for developing desired plant types that are better suited for cultivation, give better yield n r disease resistant
other objectives of plant breeding are improvement in quality tolerance limit to environmental stress resistant to pathogens and pests
DOMESTICATION is the process of bringing species under human management and all our major food crops represent domesticated varieties.