Peppermint plant named ‘Pranjal’

Details Peppermint plant named ‘Pranjal’ Peppermint plant named ‘Pranjal’

2001-02-16

2003-08-26

Campell, Bruce R. (Department: 1661)

Plants

Commercial herbaceous vegetable or herb plant

Mint

Plant Patent

active

PP014090

ABSTRACT:

Latin name of genus and species: The present invention relates to a new
Mentha×piperita
plant.
Variety denomination: The new
Mentha×piperita
plant has the varietal denomination ‘Pranjal’.
BACKGROUND OF THE INVENTION
In order to overcome a major bottleneck encountered in the cultivation of peppermint (
Mentha×piperita
), which is low oil yielding coupled with susceptibility to
Spilarctia obliqua
(Bihar hairy caterpillar), a planned breeding program was initiated. The commercial cultivation of
Mentha×piperita
is widely spread in tropical and subtropical climates and its oil finds widespread use in flavoring, cosmetics and pharmaceutical industries. As the
Mentha×piperita
is infertile or little fertile in nature, mutagen treatment and induced ploidy is the most appropriate way to create new genetic variability. Screening of the desired altered genotype is the most important step as most of the induced mutations are deleterious and undesirable. Accordingly, in order to develop a peppermint plant capable of yielding high levels of menthol oil and being resistant to Bihar hairy caterpillar, a planned breeding program was undertaken. The program resulted in a genotype CIMAP/MPP-4 having the varietal denomination ‘Pranjal’. This plant of the invention represents induced genetic variability followed by selection for improvement in terms of high oil yield, high menthol content and enhanced level of tolerance towards a common pest (Bihar hairy caterpillar i.e.
Spilarctia obliqua
).
SUMMARY OF THE INVENTION
The present invention relates to a genotype of
Mentha×piperita
named ‘Pranjal’ and belonging to family Lamiaceae. The new variety is a mutant, developed in a breeding program for resistance to the Bihar hairy caterpillar (
Spilarctia obliqua
) with emphasis on essential oil having high menthol content. The
Mentha×piperita
parent cultivars are non-patented. A locally adopted strain (non-patented) was used for the planned induced mutagenesis experiment.
‘Pranjal’ is propagated vegetatively through suckers and hence can be maintained as a stable genotype. The plant is a perennial, glabrous and aromatic herb widely cultivated for its essential oil which is of commercial and export value. The following description is of plants grown in Uttar Pradesh, India. The plants as described are 80 to 100 days after transplantation of suckers. Color descriptions are in accordance withThe Royal Horticultural Society (R.H.S.) Colour Chart.

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