Many beautiful varieties of roses have been produced, particularlyin the last few decades. These newer varieties often have verystriking and showy flowers, making them desirable as horticulturalspecimens. However, breeders and novices alike have noticed thatsome of these newer varieties are not very fragrant compared withthe older, more traditional varieties. From a genetic point of view,suggest an explanation why some of these newer varieties withsuperb flowers are not as fragrant.

Question

Many beautiful varieties of roses have been produced, particularly
in the last few decades. These newer varieties often have very
striking and showy flowers, making them desirable as horticultural
specimens. However, breeders and novices alike have noticed that
some of these newer varieties are not very fragrant compared with
the older, more traditional varieties. From a genetic point of view,
suggest an explanation why some of these newer varieties with
superb flowers are not as fragrant.

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Plant Breeding and Biometry

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