Answer:
Rose plants produce large, attractive
bisexual flowers, but they seldom produce fruits. The reasons for failure of
fruit formation in rose are as follows
(i) Rose plants may not produce viable
pollens, hence, no fertilization can take place.
(ii) Rose plants may not have
functional eggs.
(iii) Rose plants may have
defective and non-functional ovule .which is the female gametophyte generator.
(iv) There may be self-incompatibility.
(v) There may be internal
barriers for pollen tube growth or fertilization.
(vi) As rose plants are hybrids and
reproduce vegetatively, there are chances for them to be sterile.
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