USPP11520P - Kentucky bluegrass designated `Ba79-260` - Google Patents
Kentucky bluegrass designated `Ba79-260` Download PDFInfo
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- USPP11520P USPP11520P US09/120,393 US12039398V US11520P US PP11520 P USPP11520 P US PP11520P US 12039398 V US12039398 V US 12039398V US 11520 P US11520 P US 11520P
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- 241000209049 Poa pratensis Species 0.000 title claims abstract description 40
- 230000008018 melting Effects 0.000 abstract description 5
- 238000002844 melting Methods 0.000 abstract description 5
- 241000221785 Erysiphales Species 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 240000001140 Mimosa pudica Species 0.000 description 21
- 210000004209 hair Anatomy 0.000 description 13
- 241000196324 Embryophyta Species 0.000 description 10
- 230000000877 morphologic effect Effects 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 201000010099 disease Diseases 0.000 description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 4
- 230000002068 genetic effect Effects 0.000 description 3
- 241001480061 Blumeria graminis Species 0.000 description 2
- 241000992404 Drechslera poae Species 0.000 description 2
- 241001344132 Magnaporthiopsis poae Species 0.000 description 2
- 241000813090 Rhizoctonia solani Species 0.000 description 2
- 230000011681 asexual reproduction Effects 0.000 description 2
- 238000013465 asexual reproduction Methods 0.000 description 2
- 230000001143 conditioned effect Effects 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 241001465183 Drechslera Species 0.000 description 1
- 244000152045 Themeda triandra Species 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 239000012297 crystallization seed Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01H—NEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
- A01H5/00—Angiosperms, i.e. flowering plants, characterised by their plant parts; Angiosperms characterised otherwise than by their botanic taxonomy
- A01H5/12—Leaves
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01H—NEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
- A01H6/00—Angiosperms, i.e. flowering plants, characterised by their botanic taxonomy
- A01H6/46—Gramineae or Poaceae, e.g. ryegrass, rice, wheat or maize
- A01H6/466—Poa, e.g. bluegrass
Definitions
- the present invention relates to a new and distinct variety of Poa pratensis that has been designated ⁇ Ba79-260 ⁇ Kentucky bluegrass.
- ⁇ Ba79-260 ⁇ plant material originated from a single plant that was a progeny resulting from crossing ⁇ Adelphi ⁇ Kentucky bluegrass (U.S. Plant Pat. No. 3,150), as the seed parent, with ⁇ Ba75-129 ⁇ , an unreleased, unpatented Kentucky bluegrass plant grown and maintained in a plant nursery at the Scotts Company in Marysville, Ohio, as the pollen parent.
- ⁇ Ba79-260 ⁇ 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.
- ⁇ Ba79-260 ⁇ Asexual reproduction of ⁇ Ba79-260 ⁇ 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 ⁇ Ba79-260 ⁇ is approximately 95% (plus or minus about 2.1%) based upon 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 other ⁇ Ba79-260 ⁇ seedlings was classified as not being of apomictic origin.
- ⁇ Ba79-260 ⁇ has a number of highly desirable characteristics, including a medium to high level of resistance to Drechslera spp. that causes leaf spot and melting out; a high level of resistance to Erysiphe graminis that causes powdery mildew; a medium to high level of resistance to Magnaporthe poae that causes summer patch; and a high level of resistance to Rhizoctonia solani that causes brown patch.
- ⁇ Ba79-260 ⁇ has an attractive, leafy dense turf; moderately narrow leaf blades; a deep green color which can be maintained throughout the entire growing season; and excellant winter color under mild winter conditions.
- ⁇ Ba79-260 ⁇ is an overall good turfgrass performer as evidenced by medium to high scores for quality and dark green color. ⁇ Ba79-260 ⁇ has a high seed yield potential in the bluegrass seed production region of the northwestern United States.
- ⁇ Ba79-260 ⁇ has a significantly shorter seed and a higher number of seeds per pound than many other Kentucky bluegrasses.
- the culm and the uppermost internode of the culm are significantly longer than most other Kentucky bluegrass varieties observed.
- the flag leaf ligule has fewer hairs and the vegetative leaf has significantly fewer hairs on the collar margin than other Kentucky bluegrasses.
- FIG. 1 is a ⁇ Ba79-260 ⁇ Kentucky bluegrass seed
- FIG. 2 is a ⁇ Ba79-260 ⁇ Kentucky bluegrass plant shortly after completing anthesis.
- ⁇ Ba79-260 ⁇ Kentucky bluegrass (Poa pratensis L.) is perennial with creeping rhizomes forming a dense turf.
- culms 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 54.1 cm in length. The uppermost internode averages 11.1 cm length. The peduncle averages 26.4 cm in length and 0.91 mm in width. The vegetative leaf averages 25.8 cm in length, 4.7 mm in width, 0.19 mm in thickness and the ligule 0.36 mm in length. The flag leaf averages 6.9 cm in length, 3.6 mm in width, 0.10 mm in thickness and a ligule of 1.11 mm with the ligule having significantly fewer hairs than other varieties.
- the panicle averages 8.9 cm in length, 7.5 cm in width, and has 5.3 whorls.
- the lowest whorl and the third whorl from the bottom of the panicle average 4.0 and 3.6 branches, respectively.
- a spikelet in the lowest whorl averages 5.0 mm in length, 2.0 mm in width, and 3.9 florets and the outer glume and inner glume average 2.8 mm and 3.1 mm in length and 0.6 mm and 0.7 mm in width, respectively.
- a spikelet from the third whorl from the bottom of the panicle averages 5.2 mm in length, 2.3 mm in width, 4.3 florets, and the outer glume and inner glume averages 3.1 mm and 3.3 mm in length and 0.5 mm and 0.7 mm in width, respectively.
- the level of hairs of the vegetative leaf on the sheath margin are less than average, on the leaf sheath dorsal side are less than average, on the upper ligule margin are less than average, and on the collar margin are significantly less than average for most varieties observed.
- the seed of ⁇ Ba79-260 ⁇ was conditioned by removing most of the extraneous materials which 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 ⁇ Ba79-260 ⁇ averages 2.77 mm in length, 0.79 mm in width, and a rachilla length of 0.82 mm. It has an average level of hairs at the base of the lemma.
- ⁇ Ba79-260 ⁇ has approximately 1,038,300 seeds per pound.
- ⁇ Ba79-260 ⁇ has performed well throughout the U.S. as exhibited by medium turf quality ratings in comparison with other Kentucky bluegrass varities. In addition, it has a dark green color which can be maintained throughout the growing season.
- the color of similar leaves of other Kentucky bluegrass varieties were determined by the same procedure to be as follows: ⁇ Ascot ⁇ - 7.5 GY 4/4; ⁇ Goldrush ⁇ - 7.5 GY 4/4; ⁇ Nottingham ⁇ - 7.5 GY 4/6; ⁇ Midnight ⁇ - 7.5 GY 4/4; ⁇ Abbey ⁇ - 7.5 GY 4/6; and ⁇ Sidekick ⁇ - 7.5 GY 4/6.
- 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.
- Turf diseases are one of the major causes of inconsistent and poor turf performance.
- ⁇ Ba79-260 ⁇ has been found to have a medium to high level of resistance to leaf spot and melting out caused by Drechslera poae (formerly called Helminthosporium vagans); summer patch caused by Magnaporthe poae; brown patch caused by Rhizoctonia solani; and powdery mildew caused by Erysiphe graminis.
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physiology (AREA)
- Botany (AREA)
- Developmental Biology & Embryology (AREA)
- Environmental Sciences (AREA)
- Natural Medicines & Medicinal Plants (AREA)
- Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
Abstract
A variety of Kentucky bluegrass plant having a high level of resistance to powdery mildew and a medium to high level of resistance to leaf spot, summer patch, melting out and brown patch; a deep green color throughout the growing season; the ability to form a medium to high quality turf under a wide variety of environmental conditions; a moderately narrow leaf blade; excellent winter color under mild winter conditions; and a high level of seed yielding capacity.
Description
1. Field of the Invention
The present invention relates to a new and distinct variety of Poa pratensis that has been designated `Ba79-260` 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 Pat. 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 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. 09/120,718, filed Jul. 22, 1998.
`Ba79-260` plant material originated from a single plant that was a progeny resulting from crossing `Adelphi` Kentucky bluegrass (U.S. Plant Pat. No. 3,150), as the seed parent, with `Ba75-129`, an unreleased, unpatented Kentucky bluegrass plant grown and maintained in a 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 `Ba79-260` 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 reproduction of `Ba79-260` 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 `Ba79-260` is approximately 95% (plus or minus about 2.1%) based upon 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 other `Ba79-260` seedlings was classified as not being of apomictic origin.
`Ba79-260` has a number of highly desirable characteristics, including a medium to high level of resistance to Drechslera spp. that causes leaf spot and melting out; a high level of resistance to Erysiphe graminis that causes powdery mildew; a medium to high level of resistance to Magnaporthe poae that causes summer patch; and a high level of resistance to Rhizoctonia solani that causes brown patch. `Ba79-260` has an attractive, leafy dense turf; moderately narrow leaf blades; a deep green color which can be maintained throughout the entire growing season; and excellant winter color under mild winter conditions.
`Ba79-260` is an overall good turfgrass performer as evidenced by medium to high scores for quality and dark green color. `Ba79-260` 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 blugrass varieties, `Ba79-260` has a significantly shorter seed and a higher number of seeds per pound than many other Kentucky bluegrasses. The culm and the uppermost internode of the culm are significantly longer than most other Kentucky bluegrass varieties observed. The flag leaf ligule has fewer hairs and the vegetative leaf has significantly fewer hairs on the collar margin than other Kentucky bluegrasses.
FIG. 1 is a `Ba79-260` Kentucky bluegrass seed; and
FIG. 2 is a `Ba79-260` Kentucky bluegrass plant shortly after completing anthesis.
`Ba79-260` 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 54.1 cm in length. The uppermost internode averages 11.1 cm length. The peduncle averages 26.4 cm in length and 0.91 mm in width. The vegetative leaf averages 25.8 cm in length, 4.7 mm in width, 0.19 mm in thickness and the ligule 0.36 mm in length. The flag leaf averages 6.9 cm in length, 3.6 mm in width, 0.10 mm in thickness and a ligule of 1.11 mm with the ligule having significantly fewer hairs than other varieties.
The panicle averages 8.9 cm in length, 7.5 cm in width, and has 5.3 whorls. The lowest whorl and the third whorl from the bottom of the panicle average 4.0 and 3.6 branches, respectively. A spikelet in the lowest whorl averages 5.0 mm in length, 2.0 mm in width, and 3.9 florets and the outer glume and inner glume average 2.8 mm and 3.1 mm in length and 0.6 mm and 0.7 mm in width, respectively. A spikelet from the third whorl from the bottom of the panicle averages 5.2 mm in length, 2.3 mm in width, 4.3 florets, and the outer glume and inner glume averages 3.1 mm and 3.3 mm in length and 0.5 mm and 0.7 mm in width, respectively. The level of hairs of the vegetative leaf on the sheath margin are less than average, on the leaf sheath dorsal side are less than average, on the upper ligule margin are less than average, and on the collar margin are significantly less than average for most varieties observed.
Since environmental conditions such as soil and climate may influence morphological characteristics to some extent, comparisons of `Ba79-260` were made with other Kentucky blugrass varities 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 `Ba79-260` and Other Kentucky Bluegrass
Varieties in the Greenhouse at Marysville, Ohio.
Top
Peduncle Peduncle Culm Internode
Variety Length (cm)
Width (mm)
Length (cm)
Length (cm)
______________________________________
`Ba79-260`
26.39 0.91 54.11 11.10
`Ba76-372`
26.54 1.27 38.52 9.00
`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
`Ba-79-260` and Other Kentucky Bluegrass
Varieties in the Greenhouse at Marysville, Ohio.
Length Width Thickness
Ligule Length
Variety (cm) (mm) (mm) (mm)
______________________________________
`Ba79-260`
25.81 4.65 0.19 0.36
`Ba76-372`
27.39 4.33 0.19 0.34
`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
`Goldrush`
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 `Ba79-260` and Other
Kentucky Bluegrass Varieties in the Greenhouse at Marysville, Ohio.
Length Width Thickness
Ligule Length
Ligule
Variety (cm) (mm) (mm) (mm) Hair*
______________________________________
`Ba79-260`
6.90 3.55 0.104 1.11 0.90
`Ba76-372`
5.66 4.21 0.122 1.33 2.20
`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 `Ba79-260` and Other Kentucky
Bluegrass Varieties Grown on in the Greenhouse in Marysville, Ohio.
Panicle Number of Branches
Length Width Third
Variety (cm) (cm) Whorl No.
Lowest Whorl
Whorl
______________________________________
`Ba79-260`
8.88 7.53 5.30 4.0 3.60
`Ba76-372`
8.51 7.44 6.90 4.3 4.10
`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
`Ba79-260` and Other Kentucky Bluegrass Varieties
in the Greenhouse at Marysville, Ohio.
Spikelet No. of Florets
Lowest Whorl
Third Whorl per Spikelet
Length Width Length
Width Lowest
Third
Variety (mm) (mm) (mm) (mm) Whorl Whorl
______________________________________
`Ba79-260`
5.03 2.01 5.16 2.31 3.9 4.3
`Ba76-372`
4.45 1.92 4.96 2.09 3.2 3.8
`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 `Ba79-260` and Other Kentucky
Bluegrass Varieties in the Greenhouse at Marysville, Ohio.
Outer Glume Inner Glume
Lowest Whorl
Third Whorl
Lowest Whorl
Third Whorl
Length
Width
Length
Width
Length
Width
Length
Width
Variety
(mm)
(mm)
(mm)
(mm)
(mm)
(mm)
(mm)
(mm)
__________________________________________________________________________
`Ba79-260`
2.79
0.55
3.05
0.53
3.07
0.74
3.33
0.73
`Ba76-372`
2.51
0.54
2.79
0.59
3.10
0.74
3.35
0.82
`Abbey`
2.51
0.53
2.52
0.46
2.96
0.69
3.00
0.69
`Ascot`
3.92
0.50
3.74
0.56
4.13
0.71
4.03
0.68
`Famous`
2.99
0.56
2.91
0.64
3.38
0.74
3.36
0.73
`Goldrush`
2.65
0.51
3.07
0.62
3.41
0.76
3.70
0.81
`Nottingham`
2.99
0.61
2.91
0.57
3.31
0.81
3.33
0.67
`Raven`
2.85
0.53
2.87
0.47
3.11
0.74
3.09
0.68
`Sidekick`
3.27
0.52
3.41
0.63
3.51
0.65
3.69
0.73
LSD (.05)
0.31
0.10
0.30
0.11
0.29
0.14
0.28
0.12
__________________________________________________________________________
TABLE 7
______________________________________
Morphological Comparisons of the Level of Hairs on the Vegetative
Leaves of `Ba79-260` and Other Kentucky Bluegrass Varieties
in the Greenhouse at Marysville, Ohio.
Ligule
Leaf Sheath
Leaf Sheath
Upper Collar
Leaf
Variety Margin Dorsal Margin
Margin
Dorsal
______________________________________
`Ba79-260`
1.80 1.0 3.1 2.2 1.0
`Ba76-372`
2.30 2.3 5.3 3.3 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
LSD (.05)
0.55 0.4 0.7 0.7 0.1
______________________________________
*Rating Scale: 0-9; 0 = None; 9 = Many Hairs.
The seed of `Ba79-260` was conditioned by removing most of the extraneous materials which 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 `Ba79-260` averages 2.77 mm in length, 0.79 mm in width, and a rachilla length of 0.82 mm. It has an average level of hairs at the base of the lemma. `Ba79-260` has approximately 1,038,300 seeds per pound.
Comparisons of `Ba79-260` 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 ______________________________________ Comparison of Seeds Per Pound of `Ba79-260` and Other Kentucky Bluegrass Varieties After Conditioning Variety Seeds per Pound ______________________________________ `Ba79-260` 1,038,300 `Ba76-372` 1,127,400 `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 ______________________________________
TABLE 9
______________________________________
Morphological Comparisons of Seed Length, Width,
Rachilla Length, and Lemma Hairs of `Ba79-260` and
Other Kentucky Bluegrass Varieties After Conditioning
Length Width Rachilla
Variety (mm) (mm) (mm) Lemma Hairs.sup.1/
______________________________________
`Ba79-260`
2.77 0.79 0.82 2.33
`Ba76-372`
3.19 0.87 0.56 2.11
`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
______________________________________
.sup.1/ Rating Scale 0-9; 0 = None; 9 = Most Hairs.
`Ba79-260` has performed well throughout the U.S. as exhibited by medium turf quality ratings in comparison with other Kentucky bluegrass varities. In addition, it has a dark green color which can be maintained throughout the growing season.
With regard to a comparative analysis conducted for purposes of determining color of `Ba79-260` plants relative to other Kentucky bluegrass varieties, readings were taken of the vegetative color of `Ba79-260` during late May 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 `Ba79-260` 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` - 7.5 GY 4/4; `Goldrush` - 7.5 GY 4/4; `Nottingham` - 7.5 GY 4/6; `Midnight` - 7.5 GY 4/4; `Abbey` - 7.5 GY 4/6; and `Sidekick` - 7.5 GY 4/6. 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 `Ba79-260` with other Kentucky bluegrass varieties for quality, genetic color, spring greenup, winter color, turf density, living ground cover, leaf texture and seed yield are set forth hereinafter in Tables 10-17, as follows:
TABLE 10
______________________________________
A Comparison of Quality of `Ba79-260` and Other Kentucky Bluegrass
Varieties as Affected by Climatic Regions in the U.S.
Transition Cool- Cool-
Variety Zone.sup.1/ Arid.sup.2/
Humid.sup.3/
______________________________________
`Ba79-260` 5.5 5.3 6.1
`Ba76-372` 5.0 5.7 5.6
`Abbey` 5.2 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 6.1 4.9
`Limousine`
5.7 5.3 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.
.sup.1/ From 10 different locations in the U.S.
.sup.2/ From 16 different locations in the U.S.
.sup.3/ From 3 different locations in the U.S.
TABLE 11
______________________________________
A Comparison of Quality of `Ba79-260` and Other
Kentucky Bluegrass Varieties as Affected by Mowing Height.
Mowing Height
Variety 1.1"-1.5".sup.1/
1.6"-2.0".sup.2/
2.1"-3.0".sup.3/
______________________________________
`Ba79-260`
5.5 6.1 6.3
`Ba76-372`
4.9 5.9 5.8
`Abbey` 5.1 5.7 6.1
`Ascot` 5.3 5.8 5.8
`Baron` 5.0 5.7 6.2
`Chateau` 5.5 6.5 6.4
`Classic` 5.1 6.2 6.5
`Coventry`
5.5 6.2 6.5
`Eclipse` 5.4 6.2 6.2
`Glade` 5.7 6.5 6.0
`Goldrush`
5.2 5.5 6.2
`Kenblue` 4.2 4.9 6.0
`Limousine`
5.4 5.9 6.7
`Midnight`
6.2 6.4 6.3
`Raven` 5.3 5.9 6.4
`Sidekick`
4.4 5.3 5.6
LSD (.05) 0.3 0.4 0.4
______________________________________
Rating Scale: 0-9; 9 = Excellent.
.sup.1/ From 10 different locations in the U.S.
.sup.2/ From 4 different locations in the U.S.
.sup.3/ From 7 different locations in the U.S.
TABLE 12
______________________________________
A Comparison of Quality of `Ba79-260` and Other Kentucky
Bluegrass Varieties As Affected By Nitrogen Rate.
Pounds of Nitrogen per 1,000 sq. ft.
Variety 2.1-3.0.sup.1/
3.1-4.0.sup.2/
4.1 +.sup.3/
______________________________________
`Ba79-260` 6.1 5.8 5.6
`Ba76-372` 5.8 5.3 5.2
`Abbey` 6.1 5.4 5.2
`Ascot` 5.8 5.5 5.7
`Baron` 6.2 5.4 5.0
`Chateau` 6.4 5.9 5.6
`Classic` 6.5 5.9 4.9
`Coventry` 6.3 5.8 5.7
`Eclipse` 6.1 5.8 5.4
`Glade` 6.2 6.1 5.7
`Goldrush` 6.2 5.5 5.3
`Kenblue` 5.8 4.7 4.3
`Limousine`
6.5 5.9 5.8
`Midnight` 6.2 6.3 6.5
`Raven` 6.3 5.6 5.3
`Sidekick` 5.6 5.1 4.6
LSD (.05) 0.4 0.2 0.4
______________________________________
Rating Scale: 0-9; 9 = Excellent.
.sup.1/ From 8 different locations in the U.S.
.sup.2/ From 14 different locations in the U.S.
.sup.3/ From 7 different locations in the U.S.
TABLE 13
______________________________________
A Comparison of Genetic Color, Spring Greenup and Winter Color of
`Ba79-260` and Other Kentucky Bluegrass Varieties.
Genetic Spring Winter
Variety Color.sup.1/ Greenup.sup.2/
Color.sup.3/
______________________________________
`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.
.sup.1/ From 27 different locations in the U.S.
.sup.2/ From 14 different locations in the U.S.
.sup.3/ From 2 different locations in the U.S.
TABLE 14
______________________________________
A Comparison of Turf Density of `Ba79-260` and
Other Kentucky Bluegrass Varieties
Turf Density
Variety Spring.sup.1/
Summer.sup.2/
Fall.sup.3/
______________________________________
`Ba79-260` 5.9 6.6 6.7
`Ba76-372` 5.5 6.2 6.6
`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.
.sup.1/ From 8 different locations in the U.S.
.sup.2/ From 9 different locations in the U.S.
.sup.3/ From 12 different locations in the U.S.
TABLE 15
______________________________________
A Comparison of Living Ground Cover of `Ba79-260` and
Other Kentucky Bluegrass Varieties.
Living Ground Cover
Variety Spring.sup.1/
Summer.sup.2/
Fall.sup.3/
______________________________________
`Ba79-260` 71.8 80.8 92.3
`Ba76-372` 62.2 76.1 90.0
`Abbey` 70.0 84.1 92.8
`Ascot` 65.9 77.1 83.2
`Baron` 72.1 85.6 93.1
`Chateau` 77.8 92.5 95.6
`Classic` 84.1 95.0 96.3
`Coventry` 69.4 84.2 93.0
`Eclipse` 67.4 82.7 94.5
`Glade` 69.3 83.7 93.6
`Goldrush` 69.8 79.8 92.4
`Kenblue` 75.4 84.8 93.0
`Limousine`
76.0 87.3 91.3
`Midnight` 62.5 80.3 92.2
`Raven` 77.5 88.8 93.2
`Sidekick` 61.6 77.3 89.5
LSD (.05) 7.2 7.5 5.5
______________________________________
Rating = Percent Living Ground Cover.
.sup.1/ From 8 different locations in the U.S.
.sup.2/ From 6 different locations in the U.S.
.sup.3/ From 6 different locations in the U.S.
TABLE 16 ______________________________________ A Comparison of Leaf Texture of `Ba79-260` and Other Kentucky Bluegrass Varieties. Variety Leaf Texture.sup.1/ ______________________________________ `Ba79-260` 6.1 `Ba76-372` 5.3 `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. .sup.1/ From 23 different locations in the U.S.
TABLE 17
______________________________________
A Comparison of Seed Yield (Pounds per Acre) of
`Ba79-260` and Other Kentucky Bluegrass Varieties in
Three (3) Tests Conducted at Gervais, Oregon.
Seed Yield (Lb/Acres)
Variety Test 1 Test 2 Test 3
______________________________________
`Ba79-260` 966 217 877
`Abbey` 755 166 806
`Coventry` 569 96 204
LSD (.05) 153 44 123
______________________________________
Turf diseases are one of the major causes of inconsistent and poor turf performance. `Ba79-260` has been found to have a medium to high level of resistance to leaf spot and melting out caused by Drechslera poae (formerly called Helminthosporium vagans); summer patch caused by Magnaporthe poae; brown patch caused by Rhizoctonia solani; and powdery mildew caused by Erysiphe graminis.
Comparisons of disease incidence of `Ba79-260` 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 `Ba79-260` and
Other Kentucky Bluegrass Varieties.
Leaf Summer Powdery
Melting
Variety Spot.sup.1/
Patch.sup.2/
Mildew.sup.3/
Out.sup.4/
Brown Patch.sup.5/
______________________________________
`Ba79-260`
6.0 7.3 8.3 7.0 6.7
`Ba76-372`
5.7 2.3 8.7 6.0 6.2
`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.
.sup.1/ From Maine
.sup.2/ From New Jersey
.sup.3/ From Maryland
.sup.4/ From Maryland and Pennsylvania
.sup.5/ From Maine
Claims (1)
1. A new and distinct variety of Kentucky bluegrass plant, substantially as herein shown and described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/120,393 USPP11520P (en) | 1998-07-22 | 1998-07-22 | Kentucky bluegrass designated `Ba79-260` |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/120,393 USPP11520P (en) | 1998-07-22 | 1998-07-22 | Kentucky bluegrass designated `Ba79-260` |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| USPP11520P true USPP11520P (en) | 2000-09-26 |
Family
ID=22389978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US09/120,393 Expired - Lifetime USPP11520P (en) | 1998-07-22 | 1998-07-22 | Kentucky bluegrass designated `Ba79-260` |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | USPP11520P (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USPP12435P2 (en) | 2000-11-10 | 2002-03-05 | Oms Investments, Inc. | Kentucky bluegrass designated ‘Ba81-227’ |
| USPP18439P2 (en) | 2005-08-19 | 2008-01-15 | Oms Investments, Inc. | Hybrid variety of (Texas Bluegrass×Kentucky Bluegrass)×Kentucky Bluegrass designated ‘HB 329’ |
| USPP18467P2 (en) | 2004-08-06 | 2008-01-29 | Oms Investments, Inc. | Hybrid variety of Texas X kentucky bluegrass designated ‘HB 129’ |
| USPP21045P2 (en) | 2008-02-22 | 2010-06-01 | Smg Brands, Inc. | Hybrid variety of Texas×Kentucky bluegrass designated ‘HB 128’ |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USPP4336P (en) * | 1977-12-27 | 1978-11-28 | The O. M. Scott & Sons Company | Kentucky bluegrass |
| USPP6280P (en) * | 1986-09-19 | 1988-09-06 | The O.M. Scott & Sons Company | Kentucky bluegrass |
| USPP6538P (en) * | 1987-03-17 | 1989-01-17 | The O.M. Scott & Sons Company | Kentucky bluegrass--BA 70-139 |
| USPP6537P (en) * | 1987-03-17 | 1989-01-17 | The O. M. Scott & Sons Company | Kentucky bluegrass `Ba 72-492` |
| USPP6585P (en) * | 1987-05-29 | 1989-02-07 | The O. M. Scott & Sons Company | Kentucky bluegrass |
| USPP7831P (en) * | 1990-06-22 | 1992-03-17 | The O.M. Scott & Sons Company, Inc. | Ba 73-626 Kentucky Bluegrass |
| USPP8490P (en) * | 1992-01-14 | 1993-12-07 | The O. M. Scott & Sons Company | BA 73-540 Kentucky Bluegrass |
| USPP9036P (en) * | 1993-09-23 | 1995-01-03 | The O. M. Scott And Sons Company | BA 73-366 Kentucky bluegrass |
| USPP9209P (en) * | 1994-09-19 | 1995-07-18 | Oms Investments, Inc. | `BA 73-381` Kentucky bluegrass |
| USPP9611P (en) * | 1995-05-30 | 1996-07-23 | Oms Investments, Inc. | `Ba 69-82 ` Kentucky Bluegrass |
| USPP9848P (en) * | 1995-09-25 | 1997-04-01 | Oms Investments, Inc. | `BA-74-114` Kentucky Bluegrass |
| USPP9977P (en) * | 1996-02-23 | 1997-07-22 | Oms Investments, Inc. | Ba 77-279 Kentucky Bluegrass |
| USPP10080P (en) * | 1996-07-15 | 1997-10-21 | Oms Investments, Inc. | `BA 77 700` Kentucky Bluegrass |
| USPP10081P (en) * | 1996-07-15 | 1997-10-21 | Oms Investments, Inc. | `BA 78-165` Kentucky Bluegrass |
| USPP10384P (en) * | 1996-12-10 | 1998-05-05 | Oms Investments, Inc. | Ba 78-258 Kentucky Bluegrass |
-
1998
- 1998-07-22 US US09/120,393 patent/USPP11520P/en not_active Expired - Lifetime
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USPP4336P (en) * | 1977-12-27 | 1978-11-28 | The O. M. Scott & Sons Company | Kentucky bluegrass |
| USPP6280P (en) * | 1986-09-19 | 1988-09-06 | The O.M. Scott & Sons Company | Kentucky bluegrass |
| USPP6538P (en) * | 1987-03-17 | 1989-01-17 | The O.M. Scott & Sons Company | Kentucky bluegrass--BA 70-139 |
| USPP6537P (en) * | 1987-03-17 | 1989-01-17 | The O. M. Scott & Sons Company | Kentucky bluegrass `Ba 72-492` |
| USPP6585P (en) * | 1987-05-29 | 1989-02-07 | The O. M. Scott & Sons Company | Kentucky bluegrass |
| USPP7831P (en) * | 1990-06-22 | 1992-03-17 | The O.M. Scott & Sons Company, Inc. | Ba 73-626 Kentucky Bluegrass |
| USPP8490P (en) * | 1992-01-14 | 1993-12-07 | The O. M. Scott & Sons Company | BA 73-540 Kentucky Bluegrass |
| USPP9036P (en) * | 1993-09-23 | 1995-01-03 | The O. M. Scott And Sons Company | BA 73-366 Kentucky bluegrass |
| USPP9209P (en) * | 1994-09-19 | 1995-07-18 | Oms Investments, Inc. | `BA 73-381` Kentucky bluegrass |
| USPP9611P (en) * | 1995-05-30 | 1996-07-23 | Oms Investments, Inc. | `Ba 69-82 ` Kentucky Bluegrass |
| USPP9848P (en) * | 1995-09-25 | 1997-04-01 | Oms Investments, Inc. | `BA-74-114` Kentucky Bluegrass |
| USPP9977P (en) * | 1996-02-23 | 1997-07-22 | Oms Investments, Inc. | Ba 77-279 Kentucky Bluegrass |
| USPP10080P (en) * | 1996-07-15 | 1997-10-21 | Oms Investments, Inc. | `BA 77 700` Kentucky Bluegrass |
| USPP10081P (en) * | 1996-07-15 | 1997-10-21 | Oms Investments, Inc. | `BA 78-165` Kentucky Bluegrass |
| USPP10384P (en) * | 1996-12-10 | 1998-05-05 | Oms Investments, Inc. | Ba 78-258 Kentucky Bluegrass |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USPP12435P2 (en) | 2000-11-10 | 2002-03-05 | Oms Investments, Inc. | Kentucky bluegrass designated ‘Ba81-227’ |
| USPP18467P2 (en) | 2004-08-06 | 2008-01-29 | Oms Investments, Inc. | Hybrid variety of Texas X kentucky bluegrass designated ‘HB 129’ |
| USPP18439P2 (en) | 2005-08-19 | 2008-01-15 | Oms Investments, Inc. | Hybrid variety of (Texas Bluegrass×Kentucky Bluegrass)×Kentucky Bluegrass designated ‘HB 329’ |
| USPP21045P2 (en) | 2008-02-22 | 2010-06-01 | Smg Brands, Inc. | Hybrid variety of Texas×Kentucky bluegrass designated ‘HB 128’ |
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