Abstract
Zoysiagrass [Zoysia marella (L.) Merr.]와 creeping bentgrass (Agrostis palustris Huds)에서 고온 스트레스에 대한 탄수화물대사 반응을 규명하기 위해 4월부터 9월까지의 식물체내의 탄수화물 대사산물의 변화를 비교 분석하였다. 각 초종의 샘플은 1998년 조성된 무안 Country Club의 green과 fairway에서 채취하였다. Creeping bentgrass의 지상부 수량은 6월부터 8월까지 점차 감소하였고 이후 회복되었다. 반면 zoysiagrass의 지상부 수량은 크게 변하지 않았다. Creeping bentgrass의 엽록소 함량은 7월까지 zoysiagrass의 엽록소 함량에 비해 현저하게 높았고, 그후 7월부터 8월까지 43%의 감소를 보였다. 가용성 당의 경우 zoysiagrass은 전 시험기간동안 creeping bentgrass보다 높게 유지되었다. Zoysiagrass의 가용성 당은 4월부터 5월사이 약 58%의 증가를 보였고, 이후 8월까지 유의적인 변화가 없었다. Creeping bentgrass의 가용성 당은 7월까지 다소 증가한 후, 8월에 급격하게 감소하였다 Zoysaigrass의 Starch의 농도는 4월부터 5월까지 증가한 후 9월까지 지속적으로 감소하였다. Creeping bentgrass의 경우 starch와 fructan 농도는 공히 6월과 7월 사이의 높은 축적 및 7월과 8월 사이의 급격한 감소하는 특이점을 보였다. 이상의 결과들은 zoysiagrass 보다 creeping bentgrass가 6월과 8월 사이의 고온 스트레스를 많이 받고 있음을 보여주며, 이 기간 중 creeping bentgrass의 비구조적 탄수화물의 활발한 축적과 가수분해는 고온 스트레스와 밀접한 관련이 있음을 잘 나타내고 있다. To compare the Carbon metabolic response to high temperature stress in Zoysiagrass [Zoysia matrella (L.) Merr.] and Creeping bentgrass (Agrostis palustris Huds) with respect to heat tolerance, C metabolites were determined from April to September. Sampling was carried out on an established golf course (Muan Country Club, Chonnam, Korea). Shoot mass(g Dry weight per hole cup) of creeping bentgrass started to decrease from June and recovered from August whereas that of zoysiagrass was less varied. Chlorophyll content in creeping bentgrass was significantly higher than zoysiagrass until July, and then decreased by 43% from July to August. Zoysiagrass contained higher soluble sugar than creeping bentgrass throughout experimental period. Soluble sugar in zoysiagrass increased about 58% from April to May, and less varied until August. Soluble sugar in creeping bentgrass slightly increased until July and sharply decreased at August. Starch concentration in zoysiagrass continuously decreased to September after a significant increase from April to May. A remarkable fluctuation in both starch and fluctuation concentration was observed between June and August showing high accumulation for June to July and high degradation for July to August. These results suggest that through creeping bentgrass suffers much severely from high temperature stress than zoysiagrass especially June to August. An active accumulation and degradation in nonstructural carbohydrate in creeping bentgrass during this period might be associated with heat stress.
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Claims 15
Claim · model-written summary
Shoot mass of creeping bentgrass started to decrease from June and recovered from August.
- Taxon
- creeping bentgrass
Agrostis stoloniferae1 - Outcome
- Shoot masse1
- Direction
- decreasee1
- Qualifier
- recovered from Auguste1
- Setting
- established golf coursee2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Shoot mass(g Dry weight per hole cup) of creeping bentgrass started to decrease from June and recovered from August whereas that of zoysiagrass was less varied”
e2“Sampling was carried out on an established golf course (Muan Country Club, Chonnam, Korea)”
Claim · model-written summary
Shoot mass of zoysiagrass varied less than that of creeping bentgrass.
ZoysiaOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Shoot mass(g Dry weight per hole cup) of creeping bentgrass started to decrease from June and recovered from August whereas that of zoysiagrass was less varied”
Claim · model-written summary
Chlorophyll content in creeping bentgrass decreased by 43% from July to August.
- Taxon
- creeping bentgrassAgrostis stoloniferae3
- Outcome
- Chlorophyll contente3
- Direction
- decreasede3
- Value
- 43%e3
- Qualifier
- from July to Auguste3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Chlorophyll content in creeping bentgrass was significantly higher than zoysiagrass until July, and then decreased by 43% from July to August”
Claim · model-written summary
Chlorophyll content in creeping bentgrass was significantly higher than zoysiagrass until July.
- Taxon
- creeping bentgrassAgrostis stoloniferae3
- Outcome
- Chlorophyll contente3
- Direction
- highere3
- Qualifier
- until Julye3
- Comparator
- zoysiagrasse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Chlorophyll content in creeping bentgrass was significantly higher than zoysiagrass until July, and then decreased by 43% from July to August”
Claim · model-written summary
Zoysiagrass contained higher soluble sugar than creeping bentgrass throughout the experimental period.
- Outcome
- soluble sugare4
- Direction
- highere4
- Qualifier
- throughout experimental periode4
- Comparator
- creeping bentgrasse4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“Zoysiagrass contained higher soluble sugar than creeping bentgrass throughout experimental period”
Claim · model-written summary
Soluble sugar in zoysiagrass increased about 58% from April to May.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“Soluble sugar in zoysiagrass increased about 58% from April to May, and less varied until August”
Claim · model-written summary
Soluble sugar in zoysiagrass was less varied until August.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“Soluble sugar in zoysiagrass increased about 58% from April to May, and less varied until August”
Claim · model-written summary
Soluble sugar in creeping bentgrass slightly increased until July.
- Taxon
- creeping bentgrassAgrostis stoloniferae6
- Outcome
- Soluble sugare6
- Direction
- slightly increasede6
- Qualifier
- until Julye6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“Soluble sugar in creeping bentgrass slightly increased until July and sharply decreased at August”
Claim · model-written summary
Soluble sugar in creeping bentgrass sharply decreased in August.
- Taxon
- creeping bentgrassAgrostis stoloniferae6
- Outcome
- Soluble sugare6
- Direction
- sharply decreasede6
- Qualifier
- at Auguste6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“Soluble sugar in creeping bentgrass slightly increased until July and sharply decreased at August”
Claim · model-written summary
Starch concentration in zoysiagrass significantly increased from April to May.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e7“Starch concentration in zoysiagrass continuously decreased to September after a significant increase from April to May”
Claim · model-written summary
Starch concentration in zoysiagrass continuously decreased to September.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e7“Starch concentration in zoysiagrass continuously decreased to September after a significant increase from April to May”
Claim · model-written summary
Starch and fructan concentrations in creeping bentgrass showed high accumulation from June to July.
- Taxon
- Creeping bentgrassAgrostis stoloniferae0
- Outcome
- starch와 fructan 농도e0
- Direction
- 높은 축적e0
- Qualifier
- 6월과 7월 사이e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Creeping bentgrass의 경우 starch와 fructan 농도는 공히 6월과 7월 사이의 높은 축적 및 7월과 8월 사이의 급격한 감소하는 특이점을 보였다”
Claim · model-written summary
Starch and fructan concentrations in creeping bentgrass decreased sharply from July to August.
- Taxon
- Creeping bentgrassAgrostis stoloniferae0
- Outcome
- starch와 fructan 농도e0
- Direction
- 급격한 감소e0
- Qualifier
- 7월과 8월 사이e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Creeping bentgrass의 경우 starch와 fructan 농도는 공히 6월과 7월 사이의 높은 축적 및 7월과 8월 사이의 급격한 감소하는 특이점을 보였다”
Claim · model-written summary
Creeping bentgrass suffered much more severely from high temperature stress than zoysiagrass, especially June to August.
- Taxon
- creeping bentgrassAgrostis stoloniferae1
- Outcome
- high temperature stresse1
- Direction
- suffers much severelye1
- Qualifier
- especially June to Auguste1
- Comparator
- zoysiagrasse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“These results suggest that through creeping bentgrass suffers much severely from high temperature stress than zoysiagrass especially June to August”
Claim · model-written summary
An active accumulation and degradation of nonstructural carbohydrate in creeping bentgrass might be associated with heat stress.
- Taxon
- creeping bentgrassAgrostis stoloniferae2
- Treatment
- heat stresse2
- Outcome
- accumulation and degradation in nonstructural carbohydratee2
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“An active accumulation and degradation in nonstructural carbohydrate in creeping bentgrass during this period might be associated with heat stress”