1. Field of the Invention
The present invention relates to a new and distinct variety of Poa
pratensis that has been designated `Ba76-372` Kentucky bluegrass.
2. Description of Related Art
Kentucky Bluegrasses have been disclosed in U.S. Plant Pat. No. 3,150,
issued May 2, 1972; U.S. Plant Pat. No. 3,156, issued May 9, 1972; U.S.
Plant No. 3,186, issued May 23, 1972; U.S. Plant Pat. No. 4,336, issued
Nov. 28, 1978: U.S. Plant Pat. No. 6,280, issued Sep. 6, 1988; U.S. Plant
Pat. Nos. 6,537 and 6,538, issued on Jan. 17, 1989; U.S. Plant Pat. No.
6,585, issued Feb. 7, 1989; U.S. Plant Pat. No. 7,831, issued Mar. 17,
1992; U.S. Plant Pat. No. 8,490, issued Dec. 7, 1993; U.S. Plant Pat. No.
9,036, issued Jan. 3, 1995; U.S. Plant Pat. No. 9,209, issued Jul. 18,
1995; U.S. Plant Pat. No. 9,611, issued Jul. 23, 1996; U.S. Plant Pat. No.
9,848, issued Apr. 1, 1997: U.S. Plant Pat. No. 9,977, issued Jul. 22,
1997; U.S. Plant Pat. No. 10,080, issued Oct. 21, 1997; U.S. Plant Pat.
No. 10,081, issued Oct. 21, 1997; U.S. Plant Pat. No. 10,384, issued May
5, 1998; U.S. Plant Pat. No. 10,925, issued May 25, 1999; and pending U.S.
Plant Patent application Ser. No. 09/032,057, filed Feb. 27, 1998, as well
as U.S. Plant Patent application Ser. No. 09/120,393, filed Jul. 22, 1998.
`Ba76-372` plant material originated from a single plant that was a progeny
resulting from crossing `Ba72-482`, an unreleased, unpatented Kentucky
bluegrass plant grown and maintained in the plant nursery at the Scotts
Company in Marysville, Ohio, as the seed parent, with `Ba72-462`, another
unreleased, unpatented Kentucky bluegrass plant grown and maintained in
the plant nursery at the Scotts Company in Marysville, Ohio, as the pollen
parent. As a result of this breeding, a distinct variety was produced and
asexually propagated by rhizomes, tillers and disseminules. The highly
apomictic seed of `Ba76-372` Kentucky bluegrass was produced first at
Marysville, Ohio, and later at Gervais, Oreg. This seed was used to plant
turf performance evaluation trials and later, seed production fields.
Asexual production of `Ba76-372` initially was performed at Marysville,
Ohio, by propagules (tillers and rhizomes) and by disseminules (modified
caryopses produced by apomixis) and has consistently produced progeny
plants indistinguishable from the first generation asexual reproductions
of the instant plant. The apomixis level of `Ba76-372` is approximately
94.4% (plus or minus 2.1%). The apomixis level was determined by examining
seedling characteristics of approximately 100 to 150 seedlings from
different crop years in a growth chamber and any seedling with one or more
characteristics different from the other `Ba76-372` seedlings was
classified as not being of apomictic origin.
`Ba76-372` has a number of highly desirable characteristics, including a
high level of resistance to Erysiphe graminis that causes powdery mildew;
a medium to high level of resistance to Drechslera spp that causes leaf
spot and melting out; and a medium to high level of resistance to
Rhizoctonia solani that causes brown patch. `Ba76-372` has an attractive
leafy turf type, coarse leaf blades and a medium green color which can be
maintained throughout the entire growing season. `Ba76-372` demonstrates
excellent winter color under mild winter conditions.
`Ba76-372` is an overall good turfgrass performer as evidenced by medium
scores for quality and color. `Ba76-372` has a high seed yield potential
in the bluegrass seed production region of the northwestern United States.
In comparison with a number of other Kentucky bluegrass varieties,
`Ba76-372` has a significantly longer seed with a shorter rachilla and a
significantly higher seed count per pound. The panicle of `Ba76-372`
Kentucky bluegrass is significantly shorter and has a higher number of
whorls than several other Kentucky bluegrasses. The peduncle is thicker
and the culm is shorter than many other Kentucky bluegrass varieties. It
has a flag leaf that is wider and thicker with a longer ligule that has
more hairs when compared to most other Kentucky bluegrasses.
FIG. 1 is a `Ba76-372` Kentucky bluegrass panicle;
FIG. 2 is a `Ba76-372` Kentucky bluegrass seed; and
FIG. 3 is a `Ba76-372` Kentucky bluegrass plant shortly after completing
anthesis.
`Ba76-372` Kentucky bluegrass (Poa pratensis L.) is perennial with creeping
rhizomes forming a dense turf. When plants overwinter in the field under
freezing temperatures and are then brought into the greenhouse during late
winter to continue growth undisturbed by clipping under moderate
temperatures (60-80° F.), culms are erect averaging 38.5 cm in
length. The uppermost internode averages 9.0 cm in length. The peduncle
averages 26.5 cm in length and 1.27 mm in width. The vegetative leaf
averages 27.4 cm in length, 4.3 mm in width, 0.19 mm in thickness and the
ligule 0.34 mm in length. The flag leaf averages 5.7 cm in length, 4.2 mm
in width, 0.12 mm in thickness and a ligule length of 1.33 mm.
The panicle averages 8.5 cm in length, 7.4 cm in width, and has 6.9 whorls.
The lowest whorl and the third whorl from the bottom of the panicle
average 4.3 and 4.1 branches, respectively. A spikelet in the lowest whorl
averages 4.5 mm in length, 1.9 mm in width, 3.2 florets and the outer
glume and inner glume average 2.5 mm and 3.1 mm in length and 0.54 mm and
0.74 mm in width, respectively. A spikelet from the third whorl from the
bottom of the panicle averages 5.0 mm in length, 2.1 mm in width, 3.8
florets, and the outer glume and inner glume averages 2.8 mm and 3.4 mm in
length and 0.59 mm and 0.82 mm in width, respectively. For the vegetative
leaf, the number of hairs is slightly below average for the leaf sheath
margin, above average for the dorsal side of the leaf sheath, about
average for the upper margin of the ligule, about average for the collar
margin and about average for the dorsal side of the leaf. `Ba76-372`
differs significantly from many of the other Kentucky bluegrass varieties
in regard to such morphological characteristics as seed length, panicle
length, number of whorls per panicle, flag leaf width, flag leaf
thickness, flag leaf ligule length, flag leaf ligule hair, peduncle
thickness, and culm length.
Since environmental conditions such as soil and climate may influence
morphological characteristics to some extent, comparisons of `Ba76-372`
were made with other Kentucky bluegrass varieties under like conditions
and the comparisons are set forth in Tables 1-7, as follows.
| TABLE 1
|
| ______________________________________
|
| Morphological Comparisons of Peduncles, Culms, and Top Internodes of
|
| `Ba76-372` with Other Kentucky Bluegrass Varieties in the Greenhouse at
|
| Marysville, Ohio.
|
| Peduncle
|
| Peduncle Thickness
|
| Culm Top Internode
|
| Variety Length (cm)
|
| (mm) Length (cm)
|
| Length (cm)
|
| ______________________________________
|
| `Ba76-372`
|
| 26.54 1.27 38.52 9.00
|
| `Ba79-260`
|
| 26.39 0.91 54.11 11.10
|
| `Abbey` 26.83 0.99 33.30 7.40
|
| `Ascot` 18.76 0.67 38.25 5.79
|
| `Famous` 20.99 1.04 48.88 8.85
|
| `Goldrush`
|
| 19.26 0.89 43.05 7.44
|
| `Nottingham`
|
| 26.70 1.19 39.20 9.42
|
| `Raven` 26.12 0.78 55.32 11.64
|
| `Sidekick`
|
| 27.22 0.91 55.88 10.36
|
| LSD (.05)
|
| 2.76 0.11 3.64 1.56
|
| ______________________________________
|
| TABLE 2
|
| ______________________________________
|
| Morphological Comparisons of Vegetative Leaves of `Ba76-372` and
|
| Other Kentucky Bluegrass Varieties in the Greenhouse at
|
| Marysville, Ohio.
|
| Length Width Thickness
|
| Ligule Length
|
| Variety (cm) (mm) (mm) (mm)
|
| ______________________________________
|
| `Ba76-372`
|
| 27.39 4.33 0.19 0.34
|
| `Ba79-260`
|
| 25.81 4.65 0.19 0.36
|
| `Abbey` 23.42 4.02 0.20 0.40
|
| `Ascot` 28.41 3.84 0.19 0.31
|
| `Famous` 27.46 4.58 0.21 0.41
|
| `Goldursh`
|
| 20.80 3.89 0.19 0.40
|
| `Nottingham`
|
| 26.46 4.78 0.20 0.40
|
| `Raven` 24.44 4.62 0.21 0.37
|
| `Sidekick`
|
| 29.03 4.94 0.21 0.48
|
| LSD (.05) 3.54 0.45 0.01 0.05
|
| ______________________________________
|
| TABLE 3
|
| ______________________________________
|
| Morphological Comparisons of Flag Leaves of `Ba76-372` and Other
|
| Kentucky Bluegrass Varieties in the Greenhouse at Marysville, Ohio.
|
| Ligule
|
| Length Width Thickness
|
| Length Ligule
|
| Variety (cm) (mm) (mm) (mm) Hair*
|
| ______________________________________
|
| `Ba76-372`
|
| 5.66 4.21 0.122 1.33 2.20
|
| `Ba79-260`
|
| 6.90 3.55 0.104 1.11 0.90
|
| `Abbey` 3.57 2.99 0.109 0.91 1.60
|
| `Ascot` 6.03 2.49 0.102 1.15 1.60
|
| `Famous` 7.65 3.83 0.102 1.19 1.38
|
| `Goldrush`
|
| 7.11 3.21 0.089 1.00 2.00
|
| `Nottingham`
|
| 4.77 3.71 0.124 1.08 2.30
|
| `Raven` 5.87 3.38 0.104 1.08 1.20
|
| `Sidekick`
|
| 6.65 3.61 0.104 1.07 1.10
|
| LSD (.05)
|
| 1.13 0.47 0.013 0.163 0.49
|
| ______________________________________
|
| *Rating 0-9;
|
| 0 = None;
|
| 9 = Many Hairs.
|
| TABLE 4
|
| ______________________________________
|
| Morphological Comparisons for Panicle Length and Width, Whorl
|
| Number and Whorl Branches of `Ba76-372` and Other Kentucky
|
| Bluegrass Varieties Grown in the Greenhouse in Marysville, Ohio.
|
| Number of
|
| Panicle Branches
|
| Whorl Lowest
|
| Third
|
| Variety Length (cm)
|
| Width (cm)
|
| No. Whorl Whorl
|
| ______________________________________
|
| `Ba76-372`
|
| 8.51 7.44 6.90 4.3 4.10
|
| `Ba79-260`
|
| 8.88 7.53 5.30 4.0 3.60
|
| `Abbey` 6.04 4.99 5.80 3.7 3.30
|
| `Ascot` 10.03 7.01 4.20 2.2 2.00
|
| `Famous` 12.11 8.11 6.22 4.2 3.78
|
| `Goldrush`
|
| 10.25 6.63 5.70 3.6 3.50
|
| `Nottingham`
|
| 8.08 7.15 7.00 4.4 4.40
|
| `Raven` 8.15 6.36 5.30 4.0 3.20
|
| `Sidekick`
|
| 11.22 3.52 5.50 2.8 2.60
|
| LSD (.05)
|
| 0.92 1.21 0.61 0.6 0.53
|
| ______________________________________
|
| TABLE 5
|
| ______________________________________
|
| Morphological Comparisons of Spikelets and Florets of `Ba76-372`
|
| and Other Kentucky Bluegrass Varieties in the Greenhouse at
|
| Marysville, Ohio.
|
| Spikelet
|
| No. of Florests
|
| Lowest Whorl
|
| Third Whorl per Spikelet
|
| Length Width Length
|
| Width Lowest
|
| Third
|
| Variety (mm) (mm) (mm) (mm) Whorl Whorl
|
| ______________________________________
|
| `Ba76-372`
|
| 4.45 1.92 4.96 2.09 3.2 3.8
|
| `Ba79-260`
|
| 5.03 2.01 5.16 2.31 3.9 4.3
|
| `Abbey` 4.67 1.85 4.54 1.94 3.1 3.1
|
| `Ascot` 5.34 2.03 5.10 2.06 3.2 2.9
|
| `Famous` 5.19 2.14 5.18 2.09 4.0 3.9
|
| `Goldrush`
|
| 4.71 1.69 4.96 1.89 3.0 3.6
|
| `Nottingham`
|
| 5.69 2.33 5.22 2.47 4.4 3.7
|
| `Raven` 4.63 2.11 4.75 2.04 3.9 3.8
|
| `Sidekick`
|
| 5.08 2.67 5.23 2.71 4.1 4.6
|
| LSD (.05)
|
| 0.491 0.301 0.432 0.36 0.6 0.6
|
| ______________________________________
|
| TABLE 6
|
| ______________________________________
|
| Morphological Comparisons of Glume Size of `Ba76-372` and Other
|
| Kentucky Bluegrass Varieties in the Greenhouse at Marysville,
|
| ______________________________________
|
| Ohio.
|
| Outer Glume
|
| Lowest Whorl
|
| Third Whorl
|
| Length Width Length
|
| Width
|
| Variety (mm)) (mm) (mm)
|
| ______________________________________
|
| `Ba76-372` 2.51 0.54 2.79 0.59
|
| `Ba79-260` 2.79 0.55 3.05 0.53
|
| `Abbey` 2.51
|
| 0.53 2.52 0.46
|
| `Ascot` 3.92
|
| 0.50 3.74 0.56
|
| `Famous` 2.99
|
| 0.56 2.91 0.64
|
| `Goldrush` 2.65 0.51 3.07 0.62
|
| `Nottingham`
|
| 2.99 0.61 2.91 0.57
|
| `Raven` 2.85
|
| 0.53 2.87 0.47
|
| `Sidekick` 3.27 0.52 3.41 0.63
|
| LSD (.05) 0.31
|
| 0.10 0.30 0.11
|
| ______________________________________
|
| Inner Glume
|
| Lowest Whorl
|
| Third Whorl
|
| Length Width Length
|
| Width
|
| Variety (mm) (mm) (mm)mm)
|
| ______________________________________
|
| `Ba76-372` 0.74 3.3510
|
| 0.82
|
| `Ba79-260` 0.74 3.3307
|
| 0.73
|
| `Abbey` 0.69 3.00 2.96
|
| 0.69
|
| `Ascot` 0.71 4.03 4.13
|
| 0.68
|
| `Famous` 0.74 3.363.38
|
| 0.73
|
| `Goldrush` 0.76 3.7041
|
| 0.81
|
| `Nottingham`
|
| 0.81 3.31
|
| 3.33 0.67
|
| `Raven` 0.74 3.09 3.11
|
| 0.68
|
| `Sidekick` 0.65 3.6951
|
| 0.73
|
| LSD (.05) 0.14 0.28 0.129
|
| ______________________________________
|
| TABLE 7
|
| ______________________________________
|
| Morphological Comparisons of the Level of Hairs on the Vegetative
|
| Leaves of `Ba76-372` and Other Kentucky Bluegrass Varieties
|
| in the Greenhouse at Marysville, Ohio.
|
| Leaf
|
| Sheath Leaf Sheath
|
| Ligule Upper
|
| Collar
|
| Leaf
|
| Variety Margin Dorsal Margin Margin
|
| Dorsal
|
| ______________________________________
|
| `Ba76-372`
|
| 2.30 2.3 5.3 3.3 1.0
|
| `Ba79-260`
|
| 1.80 1.0 3.1 2.2 1.0
|
| `Abbey` 3.10 2.7 6.3 3.6 1.0
|
| `Ascot` 2.10 1.0 2.0 4.4 0.0
|
| `Famous` 2.80 1.4 4.3 3.3 1.0
|
| `Goldrush`
|
| 3.40 1.0 4.6 2.2 1.0
|
| `Nottingham`
|
| 3.30 3.6 7.1 4.4 1.0
|
| `Raven` 1.80 1.1 3.1 2.1 1.0
|
| `Sidekick`
|
| 2.10 1.2 2.3 3.6 0.0
|
| LDS (0.5)
|
| 0.55 0.4 0.7 0.7 0.1
|
| ______________________________________
|
| Rating Scale: 0-9;
|
| 0 = None;
|
| 9 = Many Hairs.
|
The seed of `Ba76-372` was conditioned by removing most of the extraneous
materials that may have been harvested with the seed, such as small pieces
of plant stems and leaves, soil particles, seed of other plants, hair
attached to the seed and the like. This conditioned seed of `Ba76-372`
averages 3.19 mm in length, 0.87 mm in width, and a rachilla length of
0.56 mm. It has an average level of hairs at the base of the lemma.
`Ba76-372` has about 1,127,400 seeds per pound.
Comparisons of `Ba76-372` with other Kentucky bluegrass varieties in terms
of seed numbers per pound and other seed characteristics are shown in
Tables 8-9 as follows:
| TABLE 8
|
| ______________________________________
|
| Morphological Comparisons of Seed Length, Width, Rachilla Length
|
| and Lemma Hairs of `Ba76-372` and Other Kentucky Bluegrass Varieties
|
| after Conditioning.
|
| Length Width Rachilla
|
| Variety (mm) (mm) (mm) Lemma Hairs1/
|
| ______________________________________
|
| `Ba76-372`
|
| 3.19 0.87 0.56 2.11
|
| `Ba79-260`
|
| 2.77 0.79 0.82 2.33
|
| `Abbey` 3.02 0.85 0.56 1.80
|
| `Ascot` 3.00 0.81 0.68 6.30
|
| `Famous` 3.02 0.86 0.65 1.56
|
| `Goldrush`
|
| 2.80 0.75 0.81 1.22
|
| `Nottingham`
|
| 3.02 0.84 0.69 1.10
|
| `Raven` 2.88 0.80 0.67 2.50
|
| `Sidekick`
|
| 2.84 0.84 0.88 2.11
|
| LSD (.05) 0.20 0.11 0.21 0.70
|
| ______________________________________
|
| 1/ Rating Scale 0-9;
|
| 0 = None;
|
| 9 = Most Hairs.
|
| TABLE 9
|
| ______________________________________
|
| Comparison of Seeds Per Pound of `Ba76-372` and Other Kentucky
|
| Bluegrass Varieties After Conditioning.
|
| Variety Seeds per Pound
|
| ______________________________________
|
| `Ba76-372` 1,127,400
|
| `Ba79-260` 1,038,300
|
| `Abbey` 1,003,000
|
| `Ascot` 1,039,400
|
| `Coventry` 1,374,700
|
| `Famous` 1,128,600
|
| `Goldrush` 942,700
|
| `Nottingham` 1,066,000
|
| `Raven` 1,127,100
|
| `Sidekick` 928,000
|
| LSD (.05) 38,080
|
| ______________________________________
|
`Ba76-372` has performed well throughout the U.S. as exhibited by medium
turf quality ratings in comparison with other Kentucky bluegrass
varieties. In addition, it has a medium green color which can be
maintained throughout the growing season.
With regard to a comparative analysis conducted for purposes of determining
color of `Ba76-372` plants relative to other Kentucky bluegrass varieties,
readings were taken of the vegetative color of `Ba76-372` during
mid-October while the turf was actively growing with adequate nutrient and
water availability. The readings were taken in full sun with several
actively growing leaves being compared, one at a time, utilizing color
chips from the Munsell Book of Color as a reference. On this basis, the
color of `Ba76-372` was determined to be 7.5 GY 4/4. During the same time
period, the color of similar leaves of other Kentucky bluegrass varieties
were determined by the same procedure to be as follows: Ascot -- 5 GY 4/4;
Buckingham -- 7.5 GY 4/4; `Nottingham` -- 5 GY 4/6; `Midnight` -- 7.5 GY
4/4; `Abbey` -- 5 GY 4/6; and Victa -- 5 GY 4/4. However, it should be
noted that the general apparent color of turf does not always correlate
directly with the color of the individual actively growing leaves within
the turf and that turf color varies with nutrient level and time of year
with some varieties being darker or lighter green, depending on such
factors.
Comparisons of `Ba76-372` with other Kentucky bluegrass varieties for
quality, genetic color, spring greenup, winter color, turf density, leaf
texture, and seed yield are set forth hereinafter in Tables 10-17 as
follows.
| TABLE 10
|
| ______________________________________
|
| A Comparison of Quality of `Ba76-372` and Other Kentucky
|
| Bluegrass Varieties as Affected by Environmental Conditions.
|
| Variety Dense Shade1/
|
| Full Sun2/
|
| ______________________________________
|
| `Ba76-372` 4.4 5.4
|
| `Ba79-260` 4.7 5.8
|
| `Abbey` 4.2 5.6
|
| `Ascot` 5.4 5.6
|
| `Baron` 3.7 5.5
|
| `Chateau` 5.3 6.0
|
| `Classic` 4.7 5.8
|
| `Coventry` 5.1 5.9
|
| `Eclipse` 4.6 5.8
|
| `Glade` 4.4 6.0
|
| `Goldrush` 4.7 5.6
|
| `Kenblue` 3.2 4.9
|
| `Limousine` 4.8 6.0
|
| `Midnight` 3.2 6.3
|
| `Raven` 3.4 5.7
|
| `Sidekick` 4.3 5.1
|
| LSD (.05) 1.6 0.2
|
| ______________________________________
|
| Rating Scale: 0-9;
|
| 9 = Excellent.
|
| 1/ From Maryland
|
| 2/ From 29 different locations in the US
|
| TABLE 11
|
| ______________________________________
|
| A Comparison of Quality of `Ba76-372` and Other Kentucky Bluegrass
|
| Varieties as Affected by Climatic Regions in the U.S.
|
| Transition Cool- Cool-
|
| Variety Zone1/ Arid2/
|
| Humid3/
|
| ______________________________________
|
| `Ba76-372`
|
| 5.0 5.7 5.6
|
| `Ba79-260-2
|
| 5.5 5.3 6.1
|
| `Abbey` 5.4 5.7 5.7
|
| `Ascot` 5.2 5.6 5.8
|
| `Baron` 5.5 5.7 5.5
|
| `Chateau` 5.7 6.0 6.1
|
| `Classic` 5.3 6.0 6.1
|
| `Coventry`
|
| 5.7 5.5 6.2
|
| `Eclipse` 5.5 5.5 6.0
|
| `Glade` 5.8 6.1 6.1
|
| `Goldrush`
|
| 5.5 5.6 5.7
|
| `Kenblue` 4.8 5.3 4.9
|
| `Limousine`
|
| 5.7 6.1 6.3
|
| `Midnight`
|
| 6.1 6.3 6.5
|
| `Raven` 5.6 5.6 5.8
|
| `Sidekick`
|
| 5.0 5.4 5.1
|
| LSD (.05) 0.3 0.5 0.2
|
| ______________________________________
|
| Rating Scale: 0-9;
|
| 9 = Excellent.
|
| 1/ From 10 different locations in the U.S.
|
| 2/ From 16 different locations in the U.S.
|
| 3/ From 3 different locations in the U.S.
|
| TABLE 12
|
| ______________________________________
|
| A Comparison of Genetic Color, Spring Greenup and Winter Color of
|
| `Ba76-372` and Other Kentucky Bluegrass Varieties.
|
| Genetic Spring Winter
|
| Variety Color1/ Greenup2/
|
| Color3/
|
| ______________________________________
|
| `Ba76-372` 6.5 5.6 5.8
|
| `Ba79-260` 7.6 5.4 5.8
|
| `Abbey` 6.4 5.6 5.0
|
| `Ascot` 7.1 5.1 4.5
|
| `Baron` 6.4 5.5 5.2
|
| `Chateau` 6.2 5.6 5.0
|
| `Classic` 5.8 6.4 6.0
|
| `Coventry` 6.4 5.6 4.7
|
| `Eclipse` 6.5 5.6 5.3
|
| `Glade` 6.8 5.7 5.3
|
| `Goldrush` 6.4 5.5 4.8
|
| `Kenblue` 5.4 6.2 5.3
|
| `Limousine`
|
| 6.3 5.5 4.3
|
| `Midnight` 7.7 5.6 5.7
|
| `Raven` 6.2 5.6 4.5
|
| `Sidekick` 6.3 5.5 5.2
|
| LSD (.05) 0.2 0.3 0.8
|
| ______________________________________
|
| Ratings 1-9;
|
| 9 = Dark Green, Faster Greening.
|
| 1/ From 27 different locations in the U.S.
|
| 2/ From 14 different locations in the U.S.
|
| 3/ From 2 different locations in the U.S.
|
| TABLE 13
|
| ______________________________________
|
| A Comparison of Turf Density of `Ba76-372` and Other Kentucky
|
| Bluegrass Varieties.
|
| Turf Density
|
| Variety Spring1/
|
| Summer2/
|
| Fall3/
|
| ______________________________________
|
| `Ba76-372`
|
| 5.5 6.2 6.6
|
| `Ba79-260`
|
| 5.9 6.6 6.7
|
| `Abbey` 6.0 6.4 6.4
|
| `Ascot` 5.7 6.5 6.6
|
| `Baron` 5.8 6.3 6.4
|
| `Chateau` 6.1 6.8 6.8
|
| `Classic` 6.2 7.0 6.9
|
| `Coventry`
|
| 6.1 6.5 7.0
|
| `Eclipse` 5.8 6.5 6.7
|
| `Glade` 6.4 6.8 7.0
|
| `Goldrush`
|
| 5.9 6.5 6.5
|
| `Kenblue` 5.8 6.5 6.5
|
| `Limousine`
|
| 6.7 7.0 7.3
|
| `Midnight`
|
| 6.3 6.7 7.0
|
| `Raven` 6.1 6.7 6.3
|
| `Sidekick`
|
| 5.3 6.1 6.2
|
| LSD (.05) 0.4 0.5 0.3
|
| ______________________________________
|
| Density Rating: 1-9;
|
| 9 = maximum density.
|
| 1/ From 8 different locations in the U.S.
|
| 2/ From 9 different locations in the U.S.
|
| 3/From 12 different locations in the U.S.
|
| TABLE 14
|
| ______________________________________
|
| A Comparison of Leaf Texture of `Ba76-372` and Other Kentucky
|
| Bluegrass Varieties.
|
| Variety Leaf Texture1/
|
| ______________________________________
|
| `Ba76-372` 5.3
|
| `Ba79-260` 6.1
|
| `Abbey` 5.7
|
| `Ascot` 6.1
|
| `Baron` 5.7
|
| `Chateau` 5.5
|
| `Classic` 6.2
|
| `Coventry` 5.6
|
| `Eclipse` 6.1
|
| `Glade` 6.6
|
| `Goldrush` 6.0
|
| `Kenblue` 7.0
|
| `Limousine` 7.3
|
| `Midnight` 6.4
|
| `Raven` 5.6
|
| `Sidekick` 5.0
|
| LSD (.05) 0.2
|
| ______________________________________
|
| Texture Rating: 1-9;
|
| 9 = fine texture.
|
| 1/ From 23 different locations in the U.S.
|
| TABLE 15
|
| ______________________________________
|
| A Comparison of Seed Yield (Pounds per Acre) of `Ba76-372` and Other
|
| Kentucky Bluegrass Varieties in Two (2) Tests Conducted at
|
| Gervais, Oregon.
|
| Variety Test 1 Test 2
|
| ______________________________________
|
| `Ba76-372` 913 890
|
| `Abbey` 516 848
|
| `Buckingham` 457 1071
|
| `Coventry` 480 429
|
| `Goldrush` 514 785
|
| `Midnight` 112 618
|
| `Sidekick` 1196 982
|
| `Vantage` 328 663
|
| LSD (.05) 100 130
|
| ______________________________________
|
| TABLE 16
|
| ______________________________________
|
| A Comparison of Seed Yield (Pounds per Acre) of `Ba76-372` and Other
|
| Kentucky Bluegrass Varieties at LaGrande, Oregon.
|
| Variety
|
| ______________________________________
|
| `Ba76-372`
|
| 1193
|
| `Ba79-260`
|
| 1182
|
| `Abbey` 1484
|
| `Coventry`
|
| 915
|
| `Goldrush`
|
| 1165
|
| LSD (.05)
|
| 200
|
| ______________________________________
|
| TABLE 17
|
| ______________________________________
|
| A Comparison of Seed Yield (Pounds per Acre) of `Ba76-372` and Other
|
| Kentucky Bluegrass Varieties in Two (2) Tests Conducted at
|
| Connell, Oregon.
|
| Variety Test 1 Test 2
|
| ______________________________________
|
| `Ba76-372` 1518 1467
|
| `Abbey` 2026 1493
|
| `Able 1` 1137 656
|
| `Allure` 1053 895
|
| `Ascot` 1086 831
|
| `Bristo`l 1107 1060
|
| `Buckingham` 813 1017
|
| `Cobalt` 682 857
|
| `Goldrush` 1513 1319
|
| `Sidekick` 844 880
|
| LSD (.05) 217 268
|
| ______________________________________
|
Turf diseases are one of the major causes of inconsistent and poor turf
performance. `Ba76-372` has been found to have a medium to high level of
resistance to powdery mildew caused by Erysiphe graminis; melting out and
leaf spot caused by Drechslera poae (formerly called Helminthosporium
vagans); and brown patch caused by Rhizoctonia solani.
Comparisons of disease incidence of `Ba76-372` as compared with other
Kentucky bluegrass varieties in regard to leaf spot, summer patch, powdery
mildew, melting out and brown patch are presented in Table 18 as follows:
| TABLE 18
|
| ______________________________________
|
| A Comparison of Diseases of `Ba76-372` and Other
|
| Kentucky Bluegrass Varieties.
|
| Leaf Summer Powdery Melting
|
| Variety Spot1/
|
| Patch2/
|
| Mildew3/
|
| Out4/
|
| Brown Patch5/
|
| ______________________________________
|
| `Ba76-372`
|
| 5.7 2.3 8.7 6.0 6.2
|
| `Ba79-260`
|
| 6.0 7.3 8.3 7.0 6.7
|
| `Abbey` 3.4 6.7 6.7 6.0 3.8
|
| `Ascot` 6.9 5.7 8.7 8.0 6.7
|
| `Baron` 4.1 6.3 6.0 4.8 4.0
|
| `Chateau`
|
| 5.6 5.0 8.7 7.0 4.7
|
| `Classic`
|
| 6.3 7.3 8.3 6.3 5.3
|
| `Coventry`
|
| 5.3 6.7 8.7 7.0 6.8
|
| `Eclipse`
|
| 5.7 8.7 8.7 7.0 6.5
|
| `Glade` 4.8 6.7 6.7 7.2 4.8
|
| `Goldrush`
|
| 3.8 6.0 7.0 5.3 5.0
|
| `Kenblue`
|
| 3.2 4.0 8.3 1.3 2.8
|
| `Limousine`
|
| 6.3 7.0 8.7 7.7 5.7
|
| `Midnight`
|
| 6.9 6.7 5.3 7.8 7.2
|
| `Raven` 3.5 6.3 6.7 6.5 4.8
|
| `Sidekick`
|
| 4.4 8.0 8.0 4.5 3.3
|
| LSD (.05)
|
| 1.7 1.8 1.4 1.1 2.3
|
| ______________________________________
|
| Rating Scale: 1-9;
|
| 9 = No Disease.
|
| 1/ From Maine
|
| 2/ From New Jersey
|
| 3/ From Maryland
|
| 4/ From Maryland and Pennsylvania
|
| 5/ From Maine
|
Meier, Virgil D., Burr, Jay B.
| Patent |
Priority |
Assignee |
Title |
| Patent |
Priority |
Assignee |
Title |
| PP10080, |
Jul 15 1996 |
OMS Investments, Inc. |
`BA 77 700` Kentucky Bluegrass |
| PP10081, |
Jul 15 1996 |
OMS Investments, Inc. |
`BA 78-165` Kentucky Bluegrass |
| PP10384, |
Dec 10 1996 |
OMS Investments, Inc. |
Ba 78-258 Kentucky Bluegrass |
| 3150, |
|
|
|
| 3156, |
|
|
|
| 3186, |
|
|
|
| PP4336, |
Dec 27 1977 |
The O. M. Scott & Sons Company |
Kentucky bluegrass |
| PP6280, |
Sep 19 1986 |
The O.M. Scott & Sons Company |
Kentucky bluegrass |
| PP6537, |
Mar 17 1987 |
The O. M. Scott & Sons Company |
Kentucky bluegrass `Ba 72-492` |
| PP6538, |
Mar 17 1987 |
The O.M. Scott & Sons Company |
Kentucky bluegrass--BA 70-139 |
| PP6585, |
May 29 1987 |
The O. M. Scott & Sons Company |
Kentucky bluegrass |
| PP7831, |
Jun 22 1990 |
The O.M. Scott & Sons Company, Inc. |
Ba 73-626 Kentucky Bluegrass |
| PP8490, |
Jan 14 1992 |
The O. M. Scott & Sons Company |
BA 73-540 Kentucky Bluegrass |
| PP9036, |
Sep 23 1993 |
The O. M. Scott and Sons Company |
BA 73-366 Kentucky bluegrass |
| PP9209, |
Sep 19 1994 |
OMS Investments, Inc. |
`BA 73-381` Kentucky bluegrass |
| PP9611, |
May 30 1995 |
OMS Investments, Inc. |
`Ba 69-82 ` Kentucky Bluegrass |
| PP9848, |
Sep 25 1995 |
OMS Investments, Inc. |
`BA-74-114` Kentucky Bluegrass |
| PP9977, |
Feb 23 1996 |
OMS Investments, Inc. |
Ba 77-279 Kentucky Bluegrass |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jul 16 1998 | MEIER, VIRGIL D | OMS INVESTMENTS, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 009340 | /0517 |
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| Jul 17 1998 | BURR, JAY B | OMS INVESTMENTS, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 009340 | /0517 |
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| Jul 22 1998 | | OMS Investments, Inc. | (assignment on the face of the patent) | | / |
| Jan 21 1999 | OMS INVESTMENTS, INC | CHASE MANHATTAN BANK, AS ADMINISTRATIVE AGENT, THE | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 010506 | /0462 |
pdf |
| Oct 19 2005 | JPMORGAN CHASE BANK, N A , AS ADMINISTRATIVE AGENT FORMERLY KNOWN AS THE CHASE MANHATTAN BANK | OMS INVESTMENTS, INC | TERMINATION AND RELEASE OF SECURITY INTEREST IN PATENT RIGHTS PREVIOUSLY RECORDED AT REEL 10506 FRAME 0462 | 016674 | /0409 |
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