Abstract
Lowering mowing heights to increase creeping bentgrass ( Agrostis palustris Huds.) putting green speed (i.e., ball roll distance) is a common practice. This practice can increase turfgrass susceptibility to heat and drought stress. Other cultural practices might be used to improve putting green quality and speed without additional stress. In this study, vertical mowing was used as a grooming technique to potentially improve putting green quality and speed. A ‘Penncross’ creeping bentgrass turf, established in 1986, was mowed daily at 3.2, 4.0, and 4.8 mm in combination with vertical mowing frequency treatments of 1 and 2 times per month, and a check of no vertical mowing. Mowing height and vertical mowing frequency effects on ball roll distance, turfgrass color and quality, and root production were evaluated in this study during 1989 and 1990. Vertical mowing treatments did not affect ball roll distance, turfgrass color and quality, or root production. Ball roll distance decreased by 0.2 m in 1989 and 0.4 m in 1990 as mowing height increased from 3.2 to 4.8 mm. Relative putting green speeds were rated as fast (i.e., > 2.6 m) across mowing height in 1989, and medium‐fast to fast (i.e. 2.3–2.6 m) in 1990. Turfgrass color, quality, and root production increased with mowing height in 1989 and 1.0 unit in 1990. Turfgrass quality increased by 0.4 rating unit per mm increase in mowing height in 1989 and 1.0 unit in 1990. Root production at two soil depths of 75 to 150 mm and 150 to 225 mm increased with mowing height in 1990.
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Claims 9
Claim · model-written summary
Vertical mowing did not affect ball roll distance, turfgrass color and quality, or root production.
- Taxon
- creeping bentgrass
Agrostis stoloniferae1 - Treatment
- Vertical mowing treatmentse0
- Outcome
- ball roll distance, turfgrass color and quality, or root productione0
- Direction
- did not affecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Vertical mowing treatments did not affect ball roll distance, turfgrass color and quality, or root production.”
e1“creeping bentgrass ( Agrostis palustris Huds.)”
Claim · model-written summary
Ball roll distance decreased by 0.2 m in 1989 as mowing height increased.
- Taxon
- creeping bentgrassAgrostis stoloniferae1
- Treatment
- mowing height increased from 3.2 to 4.8 mme0
- Outcome
- Ball roll distancee0
- Direction
- decreasede0
- Value
- 0.2 me0
- Qualifier
- 1989e0
- Comparator
- 3.2e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Ball roll distance decreased by 0.2 m in 1989 and 0.4 m in 1990 as mowing height increased from 3.2 to 4.8 mm.”
e1“creeping bentgrass ( Agrostis palustris Huds.)”
Claim · model-written summary
Ball roll distance decreased by 0.4 m in 1990 as mowing height increased.
- Taxon
- creeping bentgrassAgrostis stoloniferae1
- Treatment
- mowing height increased from 3.2 to 4.8 mme0
- Outcome
- Ball roll distancee0
- Direction
- decreasede0
- Value
- 0.4 me0
- Qualifier
- 1990e0
- Comparator
- 3.2e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Ball roll distance decreased by 0.2 m in 1989 and 0.4 m in 1990 as mowing height increased from 3.2 to 4.8 mm.”
e1“creeping bentgrass ( Agrostis palustris Huds.)”
Claim · model-written summary
Putting green speeds were fast across mowing heights in 1989.
- Taxon
- creeping bentgrassAgrostis stoloniferae1
- Outcome
- Relative putting green speedse0
- Value
- > 2.6 me0
- Qualifier
- 1989e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Relative putting green speeds were rated as fast (i.e., > 2.6 m) across mowing height in 1989”
e1“creeping bentgrass ( Agrostis palustris Huds.)”
Claim · model-written summary
Putting green speeds were medium-fast to fast in 1990.
- Taxon
- creeping bentgrassAgrostis stoloniferae1
- Outcome
- medium‐fast to faste0
- Value
- 2.3–2.6 me0
- Qualifier
- 1990e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“medium‐fast to fast (i.e. 2.3–2.6 m) in 1990”
e1“creeping bentgrass ( Agrostis palustris Huds.)”
Claim · model-written summary
Turfgrass color increased with mowing height in 1989.
- Taxon
- creeping bentgrassAgrostis stoloniferae1
- Treatment
- mowing heighte0
- Outcome
- Turfgrass colore0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Turfgrass color, quality, and root production increased with mowing height in 1989”
e1“creeping bentgrass ( Agrostis palustris Huds.)”
Claim · model-written summary
Turfgrass quality increased 0.4 rating unit per mm increase in mowing height in 1989.
- Taxon
- creeping bentgrassAgrostis stoloniferae1
- Treatment
- mowing heighte0
- Outcome
- Turfgrass qualitye0
- Direction
- increasede0
- Value
- 0.4 rating unit per mme0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Turfgrass quality increased by 0.4 rating unit per mm increase in mowing height in 1989”
e1“creeping bentgrass ( Agrostis palustris Huds.)”
Claim · model-written summary
Turfgrass quality increased 1.0 unit in 1990 with mowing height.
- Taxon
- creeping bentgrassAgrostis stoloniferae1
- Treatment
- mowing heighte0
- Outcome
- Turfgrass qualitye0
- Direction
- increasede0
- Value
- 1.0 unite0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Turfgrass quality increased by 0.4 rating unit per mm increase in mowing height in 1989 and 1.0 unit in 1990”
e1“creeping bentgrass ( Agrostis palustris Huds.)”
Claim · model-written summary
Root production at both reported soil depths increased with mowing height in 1990.
- Taxon
- creeping bentgrassAgrostis stoloniferae1
- Treatment
- mowing heighte0
- Outcome
- Root productione0
- Direction
- increasede0
- Qualifier
- 75 to 150 mm and 150 to 225 mme0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Root production at two soil depths of 75 to 150 mm and 150 to 225 mm increased with mowing height in 1990”
e1“creeping bentgrass ( Agrostis palustris Huds.)”
The same questions in other papers
pruning · yield · Agrostis stolonifera (creeping bent grass)Positive and negative results
1 in the opposite direction
- no effect
pruning · quality: general · Agrostis stolonifera (creeping bent grass)Positive and negative results
1 in the opposite direction
- negative
pruning · quality: postharvest · Agrostis stolonifera (creeping bent grass)Results agree
1 paper in the same direction as this paper
- positive
Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.