Modern breeding methods for biotic stresses
The problems associated with classical breeding
methods are longer time required to develop resistance cultivars, more effort and labor requirements, transfer
of nondesirable genes along with resistance genes by
hybridization, resistance breakdown due to development of
new pathogen races, nonavailability of resistance sources,
and less understanding of the mechanism of resistance
in conventional methods. Therefore, there was a need to
develop new and efficient modern methods to overcome
the above-mentioned problems. With the advancement
of molecular genetics knowledge, many modern methods
have been developed for this purpose. The modern
breeding procedures to overcome the problems associated
with traditional breeding strategies are given below.