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EVALUATION OF SPEARMINT (MENTHA SPICATA L.) ACCESSIONS FOR ECONOMIC AND VALUABLE TRAITS

Article language

Українська

Print date

9.12.21

Date posted online

28.02.2022

Institution

Research Station of Medicinal Plants of Institute of Agroecology and Environmental Management of NAAS

Bibliography

REFERENCES 

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Section

SOURCES AND DONORS

Abstract

Aim. To study new spearmint accessions, to identify reference accessions and sources of valuable traits, to form and enrich collections, to use valuable accessions of the spearmint gene pool in breeding and the collections in educational and educational activities.

Results and Discussion. The results of studying spearmint accessions of the working collection comprising 33 accessions collected from 10 countries: 18 from Ukraine, 3 from Russia, 2 from Germany, 2 from France, 2 from Hungary, 1 from England, 1 from Bulgaria, 1 from Belgium, 1 from Slovakia, 1 from Czech Republic, and 1 from Yugoslavia. From these results on the spearmint collection, a classifier of spearmint plant traits was developed; it covers the entire range of variability of plant traits within the species Mentha spicata L. and is the basis for systematization of reference accessions and forms of trait collections, which are potentially suitable for providing starting material for breeding, scientific and educational programs. The classifier comprehensively describes the accessions, satisfying breeders’ and scientists’ needs. The following reference accessions and sources of economically valuable traits were selected: for high productivity of dry grass: UG0600329 (206 g), UG0600251 (203 g); for high productivity of dry leaves: UG0600251, UG0600329 (90 g); for high productivity of raw rhizome: UG0600308 (335 g), UG0600368 (315 g); for large bush diameter: UG0600329 (94 cm), UG0600268, UG0600285 (88 cm); for large rhizome diameter: UG0600335 (7.6 mm), UG0600249, UG0600268 (6.8 mm); for tall plants: UG0600314 (69 cm); for high (9 points) freezing tolerance: UG0600226; for high (9 points) resistance to major diseases (anthracnose, powdery mildew, rust) and pests (sucking and polyphagous) G0600266, UG0600268, UG0600285, UG0600249, UG0600250, UG0600286, UG0600308, UG0600328, and UG0600251.

Conclusions. The studies on the collection spearmint accessions resulted in the working collection, which includes 33 accessions from 10 countries. The investigation of this collection allowed for identification of sources of valuable economic traits, increasing in the breeding efficiency to create varieties for different economic purposes. The classifier of spearmint plant traits was developed; it covers the entire range of variability of plant traits within the species Mentha spicata L.

Keywords

spearmint, collection accessions, sources of traits, productivity