What are the objectives of plant breeding?

Explanation

(i) To increase the yield, vigour and fertility of the crop.
(ii) To increase tolerance to environmental condition, salinity, temperature and drought.
(iii) To prevent the premature falling of buds,fruits, etc.,
(iv) To improve synchronous maturing
(v) To develop resistance to pathogens and pests.
(vi) To develop photosensitive and thermosensitive varieties.