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Mint plant named `Saksham`

a high-menthol, plant technology, applied in the direction of plant products, botany apparatus and processes, applications, etc., can solve the problem of under-regulating the rate-limiting step in the production of menthol, and achieve the effect of high essential oil yield, improved growth, and high amount of menthol

Inactive Publication Date: 2002-11-26
COUNCIL OF SCI & IND RES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The main object of the invention is to develop a new and distinct plant through tissue culture, said plant being capable of producing higher menthol with high essential oil yield as well as herbage yield.
Another object of the invention is to develop a new plant which possesses better vegetative growth with high regenerability.

Problems solved by technology

Uncoupling of these two factors may thus deregulate the rate-limiting step in the production of menthol.

Method used

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Embodiment Construction

The invention provides a new and distinct mint plant of Mentha arvensis `Saksham`, developed through tissue culture, possessing the following combination of characters: a) Produces higher amount of menthol (83% of oil) with high essential oil yield (0.8 to 1.0%) as well as herbage yield (at least 1.83 Q per 100 m.sup.2), b) Possesses better growth and vegetative growth with high regenerability covering at least 77 cm canopy area and a height of at least 72 cm in a maximum of 100 days, c) Has a distinct molecular profile by random amplified polymorphic DNA (RAPD) using 20 random primers distinguishing the plant from the other existing varieties, d) Retains characteristics of tolerance to leaf spot, rust and powdery mildew as in the parent variety `Himalaya`. e) Has light greenish leaves (138B), pinkish white flowers (56C) like the parent plant `Himalaya`, and f) Produces higher herbage, oil and menthol yield per unit area as compared to other existing improved varieties.

The applicant...

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Abstract

This invention relates to a new and distinct mint plant of Mentha arvensis `Saksham`, developed through tissue culture, possessing the following combination of characters namely producing higher amount of menthol with high essential oil yield as well as herbage yield; possessing better growth and vegetative growth with high regenerability; has distinct molecular profile by random amplified polymorphic DNA (RAPD); retains the characteristics of tolerance to leaf spot, rust and powdery mildew as in the parent variety `Himalaya`; has light greenish leaves, pinkish white flowers like the parent plant `Himalaya`, this new plant is able to produce higher herbage, oil and menthol yield per unit area as compared to other existing improved varieties.

Description

BOTANICAL / COMMERCIAL CLASSIFICATIONMentha arvensis Linn. / Japanese Mint Plant.VARIETAL DENOMINATIONcv. Saksham.FIELD OF INVENTIONThe present invention is related to the development of a novel high menthol producing plant obtained through a unique method of screening of the somaclones in poison agar medium containing toxic level of menthol. The selected plant is tolerant to high concentration of menthol in cultures and hence possesses property of accumulating more menthol per unit leaf mass due to shifted feed back inhibition by menthol as end product. The essential oil yield from the said plant is high coupled with the property of being rich in menthol. This plant is unique and clearly distinct from all other existing varieties of Mentha arvensis L. The new variety was initially designated GRB 30. The new variety has been named as `Saksham` (meaning capable) which can be propagated vegetatively through suckers for commercial cultivation.BACKGROUND OF THE INVENTIONMentha arvensis Linn...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): A01H5/12
CPCA01H5/12A01H6/504
Inventor KHANUJA, SUMAN PREET SINGHKUMAR, SUSHILSHASANY, AJIT KUMARDHAWAN, SUNITADAROKAR, MAHENDRA PANDURANGNAQVI, ALI ARIFDHAWAN, OM PARKASHSINGH, ANIL KUMARPATRA, NIRMAL KUMARBAHL, JANAK RAJBANSAL, RAM PRAKASH
Owner COUNCIL OF SCI & IND RES