Turf Seed-Mat (Sure-Turf ®)

Investigator: Dr. Nick E. Christians, Professor of Iowa State University, Horticulture Dept.
(515)294-0036 nchris@iastate.edu

Dr. Young K. Joo, Associate Professor of Yonsei University / Affiliate Professor of Iowa State University
(515)294-6025 ykjoo@dragon.yonsei.ac.kr

Turf establishment by Sure-Turf (turf seed-mat with PE film)

Title: Turf establishment by Sure-Turf (Seed Mat with PE film)

Research Plot: Horticulture Research Plot of Iowa State University, Ames, Iowa

Periods: May, 1999 Sep., 1999

Material and Method

Turfgrass species Design for PE film
A: BENTGRASS (Pennilinks) 1. 2 mm, 1cm interval
B: KENTUCKY BLUEGRASS (Nuglade) 2. 4mm , 2cm(+:cross shape hole)
C: PERENNIAL RYEGRASS (Accent) 3. f 8 mm, 3cm
D: ZOYSIA GRASS (Zenith) 4. f 9 mm, 4.5cm
E: BERMUDA GRASS (Cynodon Dactylon)  

  1. Turfgrass Species & design for PE film (PE film with hole area- 4ft X 4ft)
  2. Seeding date : May 30, 1999
  3. EXPERIMENT MAP (60ft * 20ft Total 1200ft2)
    A, B, C: COOL SEASON GRASSES
    D, E: WARM SEASON GRASSES

AA-1A-2A-3A-4A-3A-4A-1A-2A-1A-2A-3A-4
BB-1B-2B-3B-4B-3B-4B-1B-2B-1B-2B-3B-4
CC-1C-2C-3C-4C-3C-4C-1C-2C-1C-2C-3C-4
DD-1D-2D-3D-4D-3D-4D-1D-2D-1D-2D-3D-4
EE-1E-2E-3E-4E-3E-4E-1E-2E-1E-2E-3E-4

REPLICATE 1       REPLICATE 2      REPLICATE 3

TURFGRASS SPECIESGram per m2Gram per 16ft2
A:BENTGRASS5g/m27.40
B: KENTUCKY BLUEGRASS10g/m214.8
C: PERENNIAL RYEGRASS30g/m244.4
D: ZOYSIA GRASS8g/m211.84
E: BERMUDA GRASS10g/m214.8

  1. Maintenance level : Medium to high (watering, fertilization, mowing)
  2. Data Collect : every week
    Coverage (%)
    Visual quality(1~10: 1-worst, 10-best)

Results

  1. COVERAGE. [ANOVA]

DATE
SOURCE		 DF Pr>F
6/08/99 6/21 6/28 7/07 7/14 7/26 8/06 8/11
REP 2
TURF 4 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001
SIZE 4 0.2707 0.0066 0.2476 0.5207 0.5497 0.5273 0.4143 0.6139
TURF*SIZE 16 0.2336 0.0570 0.1400 0.1601 0.2996 0.0976 0.1932 0.0249

[TURF] COVERAGE(%)

  1. BENTGRASS (Pennilinks)
  2. KENTUCKY BLUEGRASS (Nuglade)
  3. PERENNIAL RYEGRASS (Accent)
  4. ZOYSIA GRASS (Zenith)
  5. BERMUDA GRASS (Cynodon Dactylon)

DATE
TURF		 6/08/99 6/21 6/28 7/07 7/14 7/26 8/06 8/11
A 0.000B 26.667C 33.333B 41.250B 55.833B 60.000B 58.750 60.000B
B 0.000B 9.000D 12.917C 14.583C 23.333C 24.167C 25.417C 25.417C
C 33.333A 72.917A 82.083A 87.083A 89.583A 89.583A 90.000A 92.083A
D 0.000B 8.750D 10.667D 10.500C 21.250C 22.917C 24.167C 28.750C
E 0.000B 37.500B 41.250B 50.833B 63.750B 75.833A 80.417A 89.583A
LSD 3.0348 10.341 8.2801 10.704 10.704 15.452 13.954 16.598

[SIZE] UNIFORMITY (%)

DATE
SIZE		 6/08/99 6/21 6/28 7/07 7/14 7/26 8/06 8/11
1 5.667A 26.200B 32.533B 37.667A 48.000A 51.667A 53.667A 58.000A
2 5.667A 30.667AB 33.667AB 41.400A 50.333A 56.333A 59.000A 61.333A
3 9.333A 36.000A 36.000A 43.000A 53.000A 55.667A 56.333A 60.333A
4 6.000A 36.000AB 36.000AB 41.333A 51.667A 54.333A 54.000A 57.000A
LSD NS 6.4107 NS NS NS NS NS NS

  1. 2 , 1cm
  2. 4 , 2cm(+:cross shape hole
  3. 8 , 3cm
  4. 9 , 4.5cm
  5. No Cover LSD: Least Significant Difference