키가 작고 녹기연장의 한국잔디 ‘한라그린11’ 품종의 개발
Development of ‘Halla Green 11’: A Zoysiagrass Variety with a Short Plant Height and Extended Greening Period
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‘Halla Green 11’ is a Zoysia matrella cultivar showing short height and extended greening period lines at low temperatures ofwinter than general warm season zoysiagrasses. ‘Halla Green 11’ Z. matrella was collected from the seaside cliffs in Geogeum Island, Jeollanam-do. The turfgrass was transplanted to the genetic resources greenhouse and propagated in the test field. Among the zoysiagrasses cultivated inthe greenhouse and test field, Z. matrella, which had a short height and showed extended greening period lines during the low temperaturesof winter, was finally selected and named ‘Halla Green 11’ and was registered in June 2022. The main external morphological characteristicsof the ‘Halla Green 11’ variety were analyzed using the test guideline (TG) of the Korea f orest service, which is described as follows: Sincethe turfgrass has a ‘Leaf sheath’ of a short length, the mowing height can be lowered, rendering mowing easy. Furthermore, the ‘Plant height’and the length of the ‘Leaf blade’ are short. The ‘Leaf blade width’ is narrow, and trichomes on the leaf surface are not present. Hence,‘Halla Green 11’ is morphologically classified as Z. matrella. The leaf angle is very wide. The colors are green for ‘Leaf blade’, light greenfor ‘Leaf sheath’, and light purple for ‘Stolon’. Particularly, during the low-temperature period of winter, ‘Halla Green 11’ showed approximately25.2, 10.6, and 8.1-fold high levels of leaf chlorophyll than the control cultivar ‘Yaji’, control Zm-6, and Zm-19, respectively. Owing tothe short height of the plant and extended greening period phenotype, ‘Halla Green 11’ is expected to be highly preferred by consumers(Registration No. 274).
Abstract
‘Halla Green 11’ is a Zoysia matrella cultivar showing short height and extended greening period lines at low temperatures ofwinter than general warm season zoysiagrasses. ‘Halla Green 11’ Z. matrella was collected from the seaside cliffs in Geogeum Island, Jeollanam-do. The turfgrass was transplanted to the genetic resources greenhouse and propagated in the test field. Among the zoysiagrasses cultivated inthe greenhouse and test field, Z. matrella, which had a short height and showed extended greening period lines during the low temperaturesof winter, was finally selected and named ‘Halla Green 11’ and was registered in June 2022. The main external morphological characteristicsof the ‘Halla Green 11’ variety were analyzed using the test guideline (TG) of the Korea f orest service, which is described as follows: Sincethe turfgrass has a ‘Leaf sheath’ of a short length, the mowing height can be lowered, rendering mowing easy. Furthermore, the ‘Plant height’and the length of the ‘Leaf blade’ are short. The ‘Leaf blade width’ is narrow, and trichomes on the leaf surface are not present. Hence,‘Halla Green 11’ is morphologically classified as Z. matrella. The leaf angle is very wide. The colors are green for ‘Leaf blade’, light greenfor ‘Leaf sheath’, and light purple for ‘Stolon’. Particularly, during the low-temperature period of winter, ‘Halla Green 11’ showed approximately25.2, 10.6, and 8.1-fold high levels of leaf chlorophyll than the control cultivar ‘Yaji’, control Zm-6, and Zm-19, respectively. Owing tothe short height of the plant and extended greening period phenotype, ‘Halla Green 11’ is expected to be highly preferred by consumers(Registration No. 274).
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