USPP1614P - mint plant - Google Patents
mint plant Download PDFInfo
- Publication number
- USPP1614P USPP1614P US PP1614 P USPP1614 P US PP1614P
- Authority
- US
- United States
- Prior art keywords
- new variety
- piperascens
- briq
- leaves
- arvensis
- Prior art date
Links
- 235000016247 Mentha requienii Nutrition 0.000 title description 4
- 235000002899 Mentha suaveolens Nutrition 0.000 title description 4
- 235000006682 bigleaf mint Nutrition 0.000 title description 4
- 235000006679 mint Nutrition 0.000 title description 4
- 240000007707 Mentha arvensis Species 0.000 description 7
- NOOLISFMXDJSKH-UTLUCORTSA-N (+)-Neomenthol Chemical compound CC(C)[C@@H]1CC[C@@H](C)C[C@@H]1O NOOLISFMXDJSKH-UTLUCORTSA-N 0.000 description 6
- 229960004873 LEVOMENTHOL Drugs 0.000 description 6
- 229940041616 Menthol Drugs 0.000 description 6
- 244000024873 Mentha crispa Species 0.000 description 5
- 201000010099 disease Diseases 0.000 description 5
- 241000196324 Embryophyta Species 0.000 description 4
- 241000221785 Erysiphales Species 0.000 description 4
- 235000018978 Mentha arvensis Nutrition 0.000 description 4
- 235000014749 Mentha crispa Nutrition 0.000 description 4
- 238000009396 hybridization Methods 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 241000135254 Cephalosporium sp. Species 0.000 description 2
- 235000014435 Mentha Nutrition 0.000 description 2
- 241001072983 Mentha Species 0.000 description 2
- 241001479543 Mentha x piperita Species 0.000 description 2
- 241000221787 Erysiphe Species 0.000 description 1
- 210000004209 Hair Anatomy 0.000 description 1
- 206010061217 Infestation Diseases 0.000 description 1
- 244000007703 Mentha citrata Species 0.000 description 1
- 235000004357 Mentha x piperita Nutrition 0.000 description 1
- 210000000614 Ribs Anatomy 0.000 description 1
- 210000003462 Veins Anatomy 0.000 description 1
- 230000011681 asexual reproduction Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000011081 inoculation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 239000001771 mentha piperita Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Images
Definitions
- Memha crispa L. (Mentha spicam L. var. crispara) and thereafter asexually reproduced from stolons at nurseries near Kalamazoo, Michigan. v
- the new variety generally grows to a height of about two and one-half feet when cultivated under field conditions. The stems are coarser than those of either parent and the plant is much less fragile than Mentha arvensis L. piperascens Briq. The new variety is extremely hardy under southern Michigan and central Washington conditions. It is especially characterized by the high total menthol content of its oil. The colors of the plant and flowers are not distinctive and resemble closely those of other mint varieties when grown under comparable conditions.-
- the leaves of the new variety are opposite, broadly ovate and much wrinkled and curled.
- the portions of the leaves between the veins are indented upwardly, forming deep depressions on the under sides of the leaves.
- the leaves are deeply serrated, often to the extent of three-eigh-ths inch or more, the lobes between the serrations being narrow and curled.
- the leaves are only very slightly hairy. on the under sides of the ribs while the stems are smooth with very few sparse hairs.
- the flowers are borne in the form of axillary globular clusters, the leaves on the flower stems being very small and giving the appearance of small spikes.
- the new variety is immune to spearmint rust frequently identified as Puccina menthae, and is highly resistant to powdery mildew, Erysiphe cichoraccarum D. C., and to leaf spot diseases, including Cephalosporium sp., which attack Mentha arvensis L. piperascens Briq.
- the variety matures earlier than Mentha arvensis L. piperascens Briq.
- the new variety is particularly remarkable for the high total menthol content of its oil as compared with Mentha piperita L. and other varieties of mint suitable for field cultivation under southern Michigan and central Washington conditions. This is all the more remarkable since one of the parents, M entha crispa L., is a wild Spearmint, the oil of which contains practically no menthol.
- the oil of the new variety usually contains from 75 to 83 percent total menthol as determined by the method for total menthol content given in the United States Pharmacopoeia No. 14.
- Figure 1 is a view of a representative branch of the new variety showing the general arrangement and form of the leaves, stems and flowers, and
- Figure 2 is an enlarged View of a flower stem showing the small nature of the leaves on the flower stems.
- the hybridization leading to the new variety was carried out in the summer of 1951 in southern Michigan.
- the seed resulting from the hybridization was planted and grown in the spring and summer of 1952.
- the new variety was selected from among a large number of other hybrids as being of commercial value and was first asexually reproduced in southern Michigan in the spring of 1953. It has been grown by asexual reproduction in southern Michigan and in central Washington since that time. It has consistently exhibited its hardy characteristics and the high total menthol content of its oil referred No references cited.
Family
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