What are the objectives of plant breeding?

Explanation

The followings are the objectives of plant breeding.
(i) The increase in crop yield plant vigour and increase in the fertility of the plant are the main objectives of plant breeding.
(ii) Raise plants with increased tolerance to environmental factors like salinity, temperature and drought.
(iii) To prevent the premature falling of buds, fruits etc.
(iv) To develop plants that develop resistance to pathogens and pests.
(vi) To develop photosensitive and themosensitive varieties of plants.