USPP18439P2 - Hybrid variety of (Texas Bluegrass×Kentucky Bluegrass)×Kentucky Bluegrass designated ‘HB 329’ - Google Patents

Hybrid variety of (Texas Bluegrass×Kentucky Bluegrass)×Kentucky Bluegrass designated ‘HB 329’ Download PDF

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USPP18439P2
USPP18439P2 US11/208,473 US20847305V USPP18439P2 US PP18439 P2 USPP18439 P2 US PP18439P2 US 20847305 V US20847305 V US 20847305V US PP18439 P2 USPP18439 P2 US PP18439P2
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bluegrass
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John R. Hardison
Jay B. Burr
James R. Frelich
George Marquez
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OMS Investments Inc
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    • 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 hybrid variety of (Texas Bluegrass ⁇ Kentucky Bluegrass) ⁇ Kentucky Bluegrass that has been designated as ‘HB 329’ bluegrass.
  • a Texas Bluegrass ⁇ Kentucky Bluegrass hybrid designated ‘Reveille’ has been disclosed in PVP Certificate No. 9800337.
  • Another Texas Bluegrass ⁇ Kentucky Bluegrass hybrid designated ‘HB 129’ has been disclosed in pending U.S. patent application Ser. No. 11/197,945, filed Aug. 5, 2005, claiming the benefit of provisional application No. 60/599,446, filed Aug. 5, 2004.
  • HB 329’ bluegrass originated as the progeny formed by crossing an interspecific hybrid bluegrass (Texas Bluegrass ⁇ Kentucky Bluegrass) designated HB 47 (a female plant 7-23 ⁇ cv. ‘Geronimo’ male plant) as the female parent crossed with cv. ‘Ascot’ Kentucky bluegrass ( Poa pratensis L.) as the pollen parent.
  • HB 47 a female plant 7-23 ⁇ cv. ‘Geronimo’ male plant
  • cv. ‘Ascot’ Kentucky bluegrass Poa pratensis L.
  • Interspecific hybrid bluegrass female plant HB 47 is an unreleased plant selected and maintained in Gervais, Oreg. for its tiller density, turf quality and lack of male reproductive organs. ‘Ascot’ Kentucky bluegrass was bred by The Scotts Company, Marysville, Ohio, and has been disclosed under the designation BA 77-279 Kentucky Bluegrass in U.S. Plant Pat. No. 9,977 P, issued Jul. 22, 1997).
  • the highly apomictic seed of ‘HB 329’ bluegrass was produced first at Gervais, Oreg. This seed was used to plant turf performance evaluation trials and later, seed production fields. The seed of ‘HB 329’ has been found to be stable. Asexual production of ‘HB 329’ initially was performed at Gervais, Oreg. 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 reproduction of the instant plant. The apomixis level of ‘HB329’ is approximately 94%.
  • the apomixis level was determined by examining field planting of ‘HB 329’ in two years of rating for apomictic origin and from plants grown in a controlled environment chamber from disseminules harvested over four growing seasons from field grown plants in Gervais, Oreg.
  • ‘HB 329’ has a number of highly desirable characteristics, including a dark green color, a moderate level of seedling vigor; high sod strength; and shows above average downy mildew and melting out disease tolerance when compared to other hybrid bluegrasses and Kentucky bluegrass varieties.
  • ‘HB 329’ has an upright leafy turf type growth habit, and a dark green color that can be maintained throughout an entire growing season.
  • ‘HB 329’ demonstrates very good fall color and very good winter color under mild winter conditions.
  • ‘HB 329’ has shown good shade tolerance including downy mildew tolerance.
  • ‘HB 329’ has a moderate amount of cotton (webbing) on the caryopsis. ‘HB 329’ has a low to medium-low seed yield potential in the Kentucky bluegrass seed production region of the northwestern United States and has shown the potential for economic seed production.
  • ‘HB 329’ In comparison with the Reveille and ‘HB 129’ hybrids, ‘HB 329’ has demonstrated a germination and emergence rate slower than HB 129 but more rapid than Reveille in both fall and spring sowings. ‘HB 329’ has shown more seed cotton as compared ‘HB129’ and has less than ‘Reveille’. It is believed that the presence of the cotton on the Reveille seed results in poor seed recovery of this hybrid and causes ‘Reveille’ to be available predominantly as a vegetatively reproduced product from rhizome and tiller materials.
  • Texas bluegrass is a vigorous sod-forming perennial native in the Southeastern and Southern Plains States. Plants grow up to 3 feet on strong soil, with numerous leaves 6 to 12 inches long and 0.25 inch wide. The grass grows throughout the winter producing abundant, nutritious pasture which is highly palatable. This is a valuable species where native, but seeding is difficult. The species is dioecious, with male and female parents. It produces only limited quantities of seed which is covered with woolly hairs that are difficult to remove. Consequently, establishment of stands for agricultural use is limited. Accordingly, Texas bluegrass exhibits similar problems to those encountered with Reveille that are overcome by the present ‘HB 329’ hybrid.
  • ‘HB 329’ In comparison with a number of Kentucky bluegrass varieties and with hybrid bluegrass varieties such as HB 129 and Reveille, ‘HB 329’ has an average to above-average seed size with a lower number of seeds per pound. The width of vegetative leaves of unmowed mature plants of ‘HB 329’ are of medium to wide. ‘HB 329’ has a short to intermediate flag leaf length and with fewer hairs on the upper margin of the ligule than ‘HB 129’, fewer hairs on the collar margin and dorsal side of the leaf sheath than ‘HB 129’ and Kentucky bluegrasses. ‘HB 329’ is shorter than ‘HB 129’ and ‘Reveille’ hybrid bluegrasses and is similar in plant height to ‘Ascot’ Kentucky bluegrass. ‘HB 329’ has fewer florets per spikelet than HB 129 and is similar to ‘Reveille’ hybrid bluegrass. Anther color is 87% purple and 13% yellow distinguishing ‘HB 329’ from ‘HB 129’ which is 100% purple.
  • FIG. 1 is an ‘HB 329’ panicle
  • FIG. 2 is an ‘HB 329’ seed
  • FIG. 3 is an ‘HB 329’ plant shortly after completing anthesis.
  • ‘HB 329’ (Texas bluegrass ⁇ Kentucky bluegrass) ⁇ Kentucky bluegrass hybrid which may also be designated as ( Poa arachnifera Torr. ⁇ Poa pratensis L.) ⁇ Poa pratensis L. hybrid is perennial with creeping rhizomes forming a moderately dense turf. When plants overwinter in the field and grow undisturbed by clipping, culms are semi-erect averaging 42.1 cm in length. The vegetative leaf averages 2.7 mm in width. The flag leaf averages 6.35 cm in length, 3.3 mm in width, has a sheath length of 12.35 cm. The flag leaf averages fewer hairs on the ligule than ‘HB 129’ hybrid bluegrass.
  • the panicle averages 8.2 cm in length. The lowest whorl of the panicle averages 4.4 branches. ‘HB329’ has 4.6 florets per spikelet on the 1 st whorl and 5.0 florets per spikelet for the 3 rd whorl. The lower and upper glumes of the first whorl are 3.7 and 3.6 mm respectively and the lower and upper glumes of the third whorl are 3.6 and 3.7 mm respectively.
  • the number of hairs is average for the leaf sheath margin, below average for the dorsal side of the leaf blade, below average for the upper margin of the ligule, and below average for the collar margin compared to other varieties.
  • ‘HB 329’ differs from the Kentucky bluegrass varieties in regard to such morphological characteristics as seed length and width, culm length, and hairs on the collar margins of the vegetative leaf, on the upper surface of the vegetative leaf, on the ligule of the flag leaf and anther color.
  • HB 329 produces inflorescences relatively early compared with Kentucky bluegrasses, and reaches anthesis later than many other Kentucky bluegrass and hybrid bluegrass varieties.
  • Anther Color Categories (% of all anthers examined) Variety Purple Yellow Brown ‘HB 329’ 87 13 0 HB 129 100 0 0 Adelphia 67 33 0 America 46 54 0 Baron 16 84 0 Julia 26 74 0 Langara 65 35 0 Midnight 98 2 0 Nugget 70 30 0 Moonshadow 9 91 0 Ram I 100 0 0 Touchdown 11 89 0
  • the seed of ‘HB 329’ 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 and the like. This conditioned seed of ‘HB 329’ averages 3.16 mm in length, and 0.87 mm in width. ‘HB 329’ has about 789,565 seeds per pound.
  • HB 329 has shown reduced seed cotton on conditioned and unconditioned seed compared to Reveille and greater seed cotton compared to HB 129 (Tables 12 and 13). It is thought that the presence of the cotton on seed has led to poor seed recovery and the availability of Reveille predominantly as a vegetatively reproduced product from rhizome and tiller materials.
  • ‘HB 329’ has performed well throughout the U.S. as exhibited by good turf quality ratings under reduced management inputs in comparison with other Kentucky bluegrass varieties and other Texas ⁇ Kentucky bluegrass hybrids. In addition, it has a dark green color with moderate turf density that can be maintained throughout the growing season. ‘HB 329’ shows good fall and winter color compared with most Kentucky bluegrass varieties and HB 129 hybrid bluegrass.
  • ‘HB 329’ bluegrass has been shown to provide good downy mildew tolerance, good melting out disease tolerance, dark green genetic color and above average winter color (Table 15). ‘HB 329’ bluegrass has been shown to possess good living ground cover in the summer, medium leaf texture and average spring greenup as compared to other bluegrasses (Table 16).
  • ‘HB 329’ has a similar flag leaf ligule, more hairs on the flag leaf ligule and a thinner flag leaf than Reveille hybrid bluegrass. ‘HB 329’ has a longer flag leaf ligule, fewer hairs on the flag leaf ligule and a thicker flag leaf than HB129 hybrid bluegrass (Table 18).
  • ‘HB 329’ has a shorter spikelet length and fewer florets/spikelets on both the first whorl and third whorl than HB 129 hybrid bluegrass and is similar to Reveille hybrid bluegrass in these traits (Table 17). ‘HB 329’ has longer glumes than HB 129 and Reveille hybrid bluegrass. ‘HB 329’ is shorter than Reveille and HB 129 hybrid bluegrasses (Table 19).

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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 hybrid variety of (Texas bluegrass×Kentucky bluegrass)×Kentucky bluegrass as described, characterized by a moderately rapid establishment; a light green, dense turf; a wide leaf blade; aggressive rhizome growth; a reduced level of cotton on the seed; and a low to medium-low seed yield potential.

Description

BACKGROUND OF THE INVENTION
Field of the Invention
The present invention relates to a new and distinct hybrid variety of (Texas Bluegrass×Kentucky Bluegrass)×Kentucky Bluegrass that has been designated as ‘HB 329’ bluegrass.
Description of Related Art
A Texas Bluegrass×Kentucky Bluegrass hybrid designated ‘Reveille’ has been disclosed in PVP Certificate No. 9800337. Another Texas Bluegrass×Kentucky Bluegrass hybrid designated ‘HB 129’ has been disclosed in pending U.S. patent application Ser. No. 11/197,945, filed Aug. 5, 2005, claiming the benefit of provisional application No. 60/599,446, filed Aug. 5, 2004.
SUMMARY OF THE VARIETY
‘HB 329’ bluegrass originated as the progeny formed by crossing an interspecific hybrid bluegrass (Texas Bluegrass×Kentucky Bluegrass) designated HB 47 (a female plant 7-23×cv. ‘Geronimo’ male plant) as the female parent crossed with cv. ‘Ascot’ Kentucky bluegrass (Poa pratensis L.) as the pollen parent. As a result of this breeding, a distinct hybrid variety was produced asexually propagated by rhizomes, tillers and disseminules displaying perfect flowers, apomixis and turfgrass performance characteristics in the F1 generation.
Interspecific hybrid bluegrass female plant HB 47 is an unreleased plant selected and maintained in Gervais, Oreg. for its tiller density, turf quality and lack of male reproductive organs. ‘Ascot’ Kentucky bluegrass was bred by The Scotts Company, Marysville, Ohio, and has been disclosed under the designation BA 77-279 Kentucky Bluegrass in U.S. Plant Pat. No. 9,977 P, issued Jul. 22, 1997).
The highly apomictic seed of ‘HB 329’ bluegrass was produced first at Gervais, Oreg. This seed was used to plant turf performance evaluation trials and later, seed production fields. The seed of ‘HB 329’ has been found to be stable. Asexual production of ‘HB 329’ initially was performed at Gervais, Oreg. 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 reproduction of the instant plant. The apomixis level of ‘HB329’ is approximately 94%. The apomixis level was determined by examining field planting of ‘HB 329’ in two years of rating for apomictic origin and from plants grown in a controlled environment chamber from disseminules harvested over four growing seasons from field grown plants in Gervais, Oreg.
‘HB 329’ has a number of highly desirable characteristics, including a dark green color, a moderate level of seedling vigor; high sod strength; and shows above average downy mildew and melting out disease tolerance when compared to other hybrid bluegrasses and Kentucky bluegrass varieties. ‘HB 329’ has an upright leafy turf type growth habit, and a dark green color that can be maintained throughout an entire growing season. ‘HB 329’ demonstrates very good fall color and very good winter color under mild winter conditions. ‘HB 329’ has shown good shade tolerance including downy mildew tolerance.
‘HB 329’ has a moderate amount of cotton (webbing) on the caryopsis. ‘HB 329’ has a low to medium-low seed yield potential in the Kentucky bluegrass seed production region of the northwestern United States and has shown the potential for economic seed production.
In comparison with the Reveille and ‘HB 129’ hybrids, ‘HB 329’ has demonstrated a germination and emergence rate slower than HB 129 but more rapid than Reveille in both fall and spring sowings. ‘HB 329’ has shown more seed cotton as compared ‘HB129’ and has less than ‘Reveille’. It is believed that the presence of the cotton on the Reveille seed results in poor seed recovery of this hybrid and causes ‘Reveille’ to be available predominantly as a vegetatively reproduced product from rhizome and tiller materials.
Texas bluegrass is a vigorous sod-forming perennial native in the Southeastern and Southern Plains States. Plants grow up to 3 feet on strong soil, with numerous leaves 6 to 12 inches long and 0.25 inch wide. The grass grows throughout the winter producing abundant, nutritious pasture which is highly palatable. This is a valuable species where native, but seeding is difficult. The species is dioecious, with male and female parents. It produces only limited quantities of seed which is covered with woolly hairs that are difficult to remove. Consequently, establishment of stands for agricultural use is limited. Accordingly, Texas bluegrass exhibits similar problems to those encountered with Reveille that are overcome by the present ‘HB 329’ hybrid.
In comparison with a number of Kentucky bluegrass varieties and with hybrid bluegrass varieties such as HB 129 and Reveille, ‘HB 329’ has an average to above-average seed size with a lower number of seeds per pound. The width of vegetative leaves of unmowed mature plants of ‘HB 329’ are of medium to wide. ‘HB 329’ has a short to intermediate flag leaf length and with fewer hairs on the upper margin of the ligule than ‘HB 129’, fewer hairs on the collar margin and dorsal side of the leaf sheath than ‘HB 129’ and Kentucky bluegrasses. ‘HB 329’ is shorter than ‘HB 129’ and ‘Reveille’ hybrid bluegrasses and is similar in plant height to ‘Ascot’ Kentucky bluegrass. ‘HB 329’ has fewer florets per spikelet than HB 129 and is similar to ‘Reveille’ hybrid bluegrass. Anther color is 87% purple and 13% yellow distinguishing ‘HB 329’ from ‘HB 129’ which is 100% purple.
BRIEF DESCRIPTION OF THE DRAWING
FIG. 1 is an ‘HB 329’ panicle;
FIG. 2 is an ‘HB 329’ seed; and
FIG. 3 is an ‘HB 329’ plant shortly after completing anthesis.
 DETAILED DESCRIPTION OF THE VARIETY
‘HB 329’ (Texas bluegrass×Kentucky bluegrass)×Kentucky bluegrass hybrid which may also be designated as (Poa arachnifera Torr.×Poa pratensis L.)×Poa pratensis L. hybrid is perennial with creeping rhizomes forming a moderately dense turf. When plants overwinter in the field and grow undisturbed by clipping, culms are semi-erect averaging 42.1 cm in length. The vegetative leaf averages 2.7 mm in width. The flag leaf averages 6.35 cm in length, 3.3 mm in width, has a sheath length of 12.35 cm. The flag leaf averages fewer hairs on the ligule than ‘HB 129’ hybrid bluegrass. The panicle averages 8.2 cm in length. The lowest whorl of the panicle averages 4.4 branches. ‘HB329’ has 4.6 florets per spikelet on the 1st whorl and 5.0 florets per spikelet for the 3rd whorl. The lower and upper glumes of the first whorl are 3.7 and 3.6 mm respectively and the lower and upper glumes of the third whorl are 3.6 and 3.7 mm respectively.
For the vegetative leaf, the number of hairs is average for the leaf sheath margin, below average for the dorsal side of the leaf blade, below average for the upper margin of the ligule, and below average for the collar margin compared to other varieties. ‘HB 329’ differs from the Kentucky bluegrass varieties in regard to such morphological characteristics as seed length and width, culm length, and hairs on the collar margins of the vegetative leaf, on the upper surface of the vegetative leaf, on the ligule of the flag leaf and anther color.
‘HB 329’ produces inflorescences relatively early compared with Kentucky bluegrasses, and reaches anthesis later than many other Kentucky bluegrass and hybrid bluegrass varieties.
Since environmental conditions such as soil and climate may influence morphological characteristics to some extent, comparisons of ‘HB 329’ were made with Kentucky bluegrass varieties and HB 129 hybrid bluegrass under like conditions and the comparisons are set forth in Tables 1-10, as follows.
TABLE 1
Comparison of heading data, seed yield, and plant height of
‘HB 329’ and various Kentucky bluegrass varieties and
HB 129 hybrid bluegrass for years 1 & 2.
Heading Date Seed Yield Plant Height
Year 1 Year 2 Year 1 Year 2 Year 1 Year 2
Variety (Julian) (g/10 ft row) (cm)
‘HB 329’ 108.2 100.8 11.2 7.4 51.1 54.3
HB 129 114.4 108.6 47.3 27.1 64.2 65.4
Midnight 126.3 136.3 33.4 12.0 54.2 45.5
America 125.3 122.8 29.2 20.4 40.1 43.3
Ram I 120.0 120.9 22.5 25.5 47.2 48.8
Julia 111.8 118.3 36.6 20.8 63.6 60.8
Baron 118.1 116.0 58.4 36.9 51.8 52.7
Adelphia 126.3 115.9 10.2 17.9 53.8 59.2
Nugget 121.1 114.5 4.7 4.3 34.3 30.1
Langara 118.1 114.3 31.9 34.8 46.2 56.0
Touchdown 105.4 107.3 55.9 13.0 57.6 58.7
LSD (0.05) 3.0 4.66 0.6 17.03 5.7 5.633
TABLE 2
Comparison of flag leaf position, length and width
and flag leaf sheath length of ‘HB 329’ and
various Kentucky bluegrass varieties and
HB 129 hybrid bluegrass for years 1 & 2.
Length Width Sheath Length
(mm) (mm) (cm)
Position Year Year Year Year Year Year
Variety Year 1 1 2 1 2 1 2
‘HB 329’ 2.1 54 75 3.3 3.3 10.7 14.0
HB 129 1.4 60 73 3.8 3.3 13.2 15.4
Moonshadow 2.2 50 108 2.5 3.5 9.6 11.6
America 2.0 59 75 2.6 3.0 10.0 11.6
Baron 2.0 63 69 4.0 3.5 11.1 13.4
Langara 2.0 57 81 3.0 3.0 10.5 14.1
Midnight 2.0 74 86 3.4 3.2 10.7 11.4
Touchdown 1.6 60 81 3.5 3.6 12.9 16.4
Adelphia 1.5 53 79 3.3 3.2 10.7 13.4
Ram I 1.5 42 58 3.0 2.7 10.5 12.3
Julia 1.5 71 84 3.1 3.0 11.7 14.1
Nugget 1.4 29 41 2.2 2.1 7.4 9.0
LSD (0.05) 0.31 12.2 9.9 0.56 0.99 1.32 1.16
1 = Appressed
2 = Open Angle
TABLE 3
Comparison of panicle color, habit, branch attitude, branches in lowest
whorl, length and collar for ‘HB 329’ and various Kentucky bluegrass
varieties and HB 129 hybrid bluegrass for year 1.
Panicle Characteristics
Branch
Variety Color Habit Attitude
‘HB 329’ 1.9 1.8 2.9
HB 129 2.0 1.9 2.9
Touchdown 2.0 1.9 2.4
Baron 1.9 1.9 2.7
Midnight 1.9 1.0 1.7
Nugget 1.8 1.8 3.0
Ram I 1.6 2.0 3.0
Adelphia 1.4 2.0 1.4
Langara 1.3 1.0 2.7
Julia 1.3 1.0 1.0
Moonshadow 1.2 1.1 2.1
America 1.1 2.0 2.4
LSD (0.05) 0.23 0.24 0.24
1 - not red 1 - nodding 1 - drooping
2 - red 2 - upright 2 - horizontal
3 - ascending
Panicle Characteristics
Number of Branches Length
Variety in Lowest Whorl (cm) Collar
‘HB 329’ 4.1 9.5 1.0
HB 129 4.40 10.6 1.0
Touchdown 3.82 10.4 —
Baron 4.72 10.6 1.0
Midnight 4.58 10.6 1.0
Nugget 2.80 6.3 1.1
Ram I 3.73 7.7 1.0
Adelphia 4.01 10.2 1.1
Langara 3.78 9.7 1.0
Julia 4.52 11.4 1.0
Moonshadow 4.49 9.4 1.0
America 4.07 8.8 1.0
LSD (0.05) 0.52 1.07  0.05
1 - open
2 - closed.
TABLE 4
Comparison of panicle color, habit, branch attitude, branches in lowest
whorl, length, and collar for ‘HB 329’ and various Kentucky bluegrass
varieties and HB 129 hybrid bluegrass for year 2.
Branch
Variety Color Habit Attitude
‘HB 329’ 2.0 1.1 1.3
HB 129 2.0 1.1 1.0
Baron 2.0 1.7 1.1
Touchdown 2.0 1.0 1.2
Nugget 1.9 1.0 1.5
Midnight 1.8 1.9 1.2
Julia 1.2 1.3 1.1
Langara 1.1 1.0 1.0
Adelphia 1.1 1.1 1.3
Moonshadow 1.0 1.1 1.0
America 1.0 2.0 1.0
Ram I 1.0 1.6 1.0
LSD (0.05) 0.2993 0.2553 0.3610
1 = not red 1 = nodding 1 = drooping
2 = red 2 = upright 2 = horizontal
3 = ascending
Number of Branches Panicle
in Lowest Length
Variety Whorl (cm) Collar
‘HB 329’ 4.4 10.0 1.0
HB 129 4.4 11.0 1.0
Baron 4.8 10.2 1.1
Touchdown 3.9 12.5 1.0
Nugget 3.2 7.0 1.0
Midnight 4.4 9.9 1.8
Julia 4.2 11.4 1.2
Langara 4.3 12.6 1.2
Adelphia 4.2 12.3 1.6
Moonshadow 4.3 9.8 1.3
America 4.0 9.7 1.9
Ram I 4.3 8.5 1.0
LSD (0.05) 0.3899 1.578 0.3610
1 = open
2 = closed
TABLE 5
Comparison of panicle shape of rachis for ‘HB 329’ and various
Kentucky bluegrass varieties and
HB 129 hybrid bluegrass for years 1 & 2.
Panicle Shape
Variety Year 1 Year 2
‘HB 329’ 2.0 1.9
HB 129 1.8 1.9
Nugget 2.0 1.3
Adelphia 1.9 1.7
Ram I 1.9 1.8
Moonshadow 1.4 1.9
Baron 1.2 1.9
America 1.2 1.7
Langara 1.1 1.8
Touchdown 1.1 1.5
Midnight 1.1 1.7
Julia 1.0 2.0
LSD (0.05) 0.117 0.255
1 = no bend 1 = no bend
2 = bend 2 = bend
TABLE 6
Comparison of anther color of ‘HB 329’ and various
Kentucky bluegrass varieties and HB 129 hybrid bluegrass for year 2.
Anther Color Categories (% of all anthers examined)
Variety Purple Yellow Brown
‘HB 329’ 87 13 0
HB 129 100   0 0
Adelphia 67 33 0
America 46 54 0
Baron 16 84 0
Julia 26 74 0
Langara 65 35 0
Midnight 98  2 0
Nugget 70 30 0
Moonshadow  9 91 0
Ram I 100   0 0
Touchdown 11 89 0
TABLE 7
Leaf sheath morphological traits of Kentucky bluegrass accessions
measured 2002-2003 from the PVP nursery and greenhouse measurements
at the research facility of Pickseed West, Inc. Oregon.
Hairs on Both
Bluegrass Hairs on Sides Under
Accessions Keel Surface Collar
‘HB 329’ 2 1 1 = 38% 2 = 62%
HB 129 2 1 1 = 8% 2 = 92%
America 2 1 2
Mercury — — —
1 - absent 1 - absent 1 - absent
2 - present 2 - present 2 - present
Base of Surface
Bluegrass Sheath Roughness
Accessions Color To Touch
‘HB 329’ 1 1
HB 129 1 1
America 1 1
Mercury — —
1 - green 1 - smooth
2 - red 2 - rough
TABLE 8
Leaf blade morphological traits of Kentucky bluegrass accessions
measured 2002-2003 from the PVP nursery and greenhouse measurements
at the research facility of Pickseed West, Inc. Oregon.
Bluegrass Margin Hairs Upper Hairs Lower
Accessions Hairs Side Side
‘HB 329’ 2 1 = 77% 1
2 = 23%
HB 129 2 2 = 82% 1
1 = 18%
America 2 1 1
Mercury — — —
1 - absent 1 - absent 1 - absent
2 - present 2 - sparse 2 - sparse
3 - dense 3 - dense
Bluegrass Luster Upper Luster Lower Blade
Accessions Side Side Width
‘HB 329’ 2 1 3 = 8% 
4 = 92%
HB 129 2 1 5
America 2 1 2
Mercury — — —
1 - shiny 1 - shiny 1 - very fine
2 - dull 2 - dull 2 - fine
3 - medium
4 - broad
5 - very broad
TABLE 9
Lemma morphological traits and seed phenol reaction of Kentucky
bluegrass accessions measured 2002-2003 from the PVP nursery and
greenhouse measurements at the research facility of
Pickseed West, Inc. Oregon.
Lemma
Bluegrass Marginal Intermediate
Accessions Keel Nerves Nerves
‘HB 329’ 1 - 35% 1 = 10% 1 = 5% 
2 - 55% 2 = 90% 2 = 95%
3 - 10%
HB 129 1 - 55% 1 - 30% 1 - 15%
2 - 45% 2 - 70% 2 - 85%
America — — —
Mercury 1 - 90% 2 2
2 - 10%
1 - glabrous 1 - Yes 1 - distinct
2 - slight 2 - No 2 - obscure
pubescence
3 - pubescent
Lemma Seed
Bluegrass Basal Phenol
Accessions Webbing Reaction
‘HB 329’ 1 = 70% 1 = 8% 
2 = 30% 3 = 92%
HB 129 1 - 90% 1 - 10%
2 - 10% 2 - 90%
America — —
Mercury 2 1 - 5% 
2 - 95%
1 - absent 1 - none
2 - scant 2 - beige
3 - copious 3 - brown
4 - black after 4 hrs
5 - black after 24 hrs
TABLE 10
Plant spread, hairs on ligule and leaf sheath glaucosity of Kentucky
bluegrass accessions measured 2002-2003 from the PVP nursery and
greenhouse measurements at the research facility of
Pickseed West, Inc. Oregon.
Amount of Spread in
Bluegrass 1 year via Rhizomes Leaf Sheath
Accessions (cm) Hairs on Ligule Glaucosity
‘HB 329’ 56 1 - 80%, 2 - 20% 2
HB 129 64 1 - 53% 2 - 47% 2
America — — —
Mercury 49 1 1 - 17%
2 - 83%
1 - absent 1 - absent
2 - short 2 - present
3 - long
The seed of ‘HB 329’ 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 and the like. This conditioned seed of ‘HB 329’ averages 3.16 mm in length, and 0.87 mm in width. ‘HB 329’ has about 789,565 seeds per pound.
Comparisons of ‘HB 329’ with ‘HB 129’ and Kentucky bluegrass varieties in terms of seed length, seed width and 1000 seed weight are shown in Table 11 as follows:
TABLE 11
Comparison of seed length, seed width and 1000 count seed weight of
‘HB 329’ and various Kentucky bluegrass varieties and HB 129 hybrid
bluegrass for years 1 & 2.
Seed Length Seed Width 1000 Count Seed Weight
(mm) (mm) (g)
Variety Year 1 Year 1 Year 1 Year 2
‘HB 329’ 3.16 0.87 0.633 0.517
HB 129 2.75 0.97 0.657 0.423
Touchdown 3.00 0.92 0.753 0.417
Baron 2.87 0.97 0.690 0.467
Ram I 3.20 0.91 0.647 0.437
Midnight 3.03 0.81 0.637 0.403
Julia 2.82 0.82 0.630 0.507
Langara 2.77 0.80 0.573 0.463
Adelphia 2.90 0.83 0.560 0.340
Moonshadow 2.57 0.87 0.553 0.330
Nugget 3.22 0.90 0.543 0.200
America 2.63 0.83 0.470 0.383
LSD (0.05) 0.4 0.067 0.09 0.074
‘HB 329’ has shown reduced seed cotton on conditioned and unconditioned seed compared to Reveille and greater seed cotton compared to HB 129 (Tables 12 and 13). It is thought that the presence of the cotton on seed has led to poor seed recovery and the availability of Reveille predominantly as a vegetatively reproduced product from rhizome and tiller materials.
TABLE 12
Comparison of ‘HB 329’ to other hybrid bluegrasses for
cotton on conditioned seed.
Seed cotton rating
Variety 1 - no or little cotton, 2 - scant cotton, 3 - copious cotton
‘HB 329’ 2
HB 129 1
Reveille 3
TABLE 13
Comparison of lemma length (eyepiece assisted), lemma cotton length
(% of lemma length), lemma cotton length calculation and length of the
cotton (eyepiece assisted, 7×) from spikelets harvested (unconditioned
seed) from various bluegrass cultivars grown in a greenhouse under
controlled environment (average 4 florets subsamples-lower whorl
branches) at Gervais, Oregon. Data were collected from three
replicates. ‘HB 329’ showed reduced lemma cotton length (column C)
when compared to Reveille hybrid bluegrass and Texas 51-90 Texas
bluegrass but greater than HB 129.
Lower Lemma Lower Whorl
Whorl Cotton Lemma Cotton
Lemma Length Length Lower Whorl
Length (Visual) (Lemma Lemma Cotton
Eyepiece % of Lemma Length × %) Length
(7×) Length (A) × (B) = C Eyepiece (7×)
Column A B C D
Variety mm Percent mm mm
‘HB 329’ 4.8 61.1 2.9 3.1
HB 129 3.9 49.1 1.9 1.8
Texas 51-90 5.7 126.1 7.0 6.8
Reveille 4.4 94.2 4.1 4.1
Ascot 4.1 52.5 2.2 2.2
Geronimo 3.8 50.7 2.0 1.9
LSD 0.8 19.3 0.9 0.7
(P = 0.05)
CV 10.7 15.8 16.2 12.2
‘HB 329’ has performed well throughout the U.S. as exhibited by good turf quality ratings under reduced management inputs in comparison with other Kentucky bluegrass varieties and other Texas×Kentucky bluegrass hybrids. In addition, it has a dark green color with moderate turf density that can be maintained throughout the growing season. ‘HB 329’ shows good fall and winter color compared with most Kentucky bluegrass varieties and HB 129 hybrid bluegrass.
TABLE 14
Comparison of ‘HB 329’ with Texas bluegrass and various Kentucky
bluegrasses and HB 129 hybrid bluegrass.
Flag
Flag Flag Leaf
Plant Longest Panicle Leaf Leaf Sheath
Height Rhizome Length Length Width Length
Variety (cm) (cm) (mm) (mm) (mm) (mm)
‘HB 329’ 27.3 38.0 63.5 31.2 3.9 53.7
HB 129 41.5 49.0 25.6 25.6 4.0 74.3
Unique 17.3 40.0 34.7 14.2 1.2 48.5
Abbey 37.0 44.0 62.8 21.1 3.5 76.3
Texas 80.0 53.3 126.9  97.2 6.4 146.9 
bluegrass
Midnight 21.8 36.6 — — — —
Touchdown 39.8 50.0 27.4 27.4 3.6 66.5
Limousine 29.8 40.8 18.9 18.9 3.2 52.5
LSD (0.05) 14.0 9.8 22.2 15.0 0.5 25.8
‘HB 329’ bluegrass has been shown to provide good downy mildew tolerance, good melting out disease tolerance, dark green genetic color and above average winter color (Table 15). ‘HB 329’ bluegrass has been shown to possess good living ground cover in the summer, medium leaf texture and average spring greenup as compared to other bluegrasses (Table 16).
TABLE 15
Differences between ‘HB 329’ and other Grasses in the 2001, 2002, and
2003 Reports of the National Kentucky Bluegrass Evaluation Program.
(For definition of x and o' see bottom of table.)
Melting Out Melting Out Downy Winter
Disease Disease Mildew Color
Rating Rating Rating Rating
Locations
2 PA WA 4
Year
Genptype/Cultivar 2001 2003 2003 2003
‘HB 329’
IB7-308 o
99AN-53 o o o
A96-427 o o
A96-451 o o
A96-739
A96-742 o o
A97-1330 o o o
A97-1409 o o
A91-1432 o o
A97-1715 o
A97-857 o
A98-1028 o o
A98-139 o
A98-183
A98-365 o o
A98-407 o o
A98-881 o
Abbey o
Allure o o o
Alpine o o
Apollo o o
Arcadia o
Arrow (A97-1567) o o
Ascot o o
AVALANCHE o o o
(PST-1701)
Award o o
Awesome (J-1420) o
B3-171 o o
B3-185 o o
B4-128A o o
B5-144 o o o o
B5-43 o o o o
B5-45 o o o
Ba 00-6001 o o
Ba 82-288
Ba 83-113 o o
Ba 84-140 o
BAR Pp 0468 o o
BAR Pp 0471 o o
BAR Pp 0566
BAR Pp 0573 o o
Bariris o o
Baritone o o
Baron o
Baronette
(Ba 81-058)
Baronle o o o
Barrister (J-1655) o o
Bartitia o o
Barzan o o
Bedazzled o
Beyond (J-1880) o
BH 00-6002 o o o o
(HB 129)
Blacksburg II
(PST-1BMY)
Blackstone o
Blue Knight o o o o
Blue Ridge o o
(A97-1449)
Blue Sapphire
(NA-K991)
Bluemax
(PST-B5-89)
Bluestone o o
(PST-731)
Bodacious o
Boomerang o o
Bordeaux o o
Boutique o
Brilliant o o
Brooklawn o o o o
Cabernet o
Champagne
Champlain o o
(A98-1275)
Chateau o o o
Chelsea o o o
Chicago II o
Coventry o o o
CVB-20631 o o
DLF 76-9032 o o
DLF 76-9034 o o
DLF 76-9036 o o
DLF 76-9037 o o
Eagleton o o o
Envicta o o
Everest o o
EverGlade o o o
Excursion (J-1648) o o o
Fairfax o o o
Freedom II o
Ginney (J-1368) o o
Glenmont
(H94-293)
GO-9LM9 o o
Goldrush o o
Goldstar (A98-296) o o
H92-203 o o
H92-558 o o
Hallmark o o o
HV 140 o o o o
HV-238
Impact o
J-1513 o o o
J-1838 o o o
J-2561 o o
J-2885
J-2890 o o
Jefferson o o
Jewel o o o o
Julia o o
Julius o o
Kenblue o o o
Lakeshore o
(A93-200)
Langara
Liberator o o
Lily o o o
Limerick o
Limousine o o
Mallard (A97-1439) o o
Markham o o o
(NA-K991)
Marquis o o
Mercury (Pick-232) o o
Midnight o
Midnight II o o
(A98-739)
Misty o o o
Monte Carlo o
(A96-402)
Moon Shadow o o
(Pick 113-3)
Moonlight
NA-K992 o o
North Star o o o
NU Destiny o o
(J-2695)
NuGlade o o
Odyssey o
Perfection (J-1515) o
Pick 417 o o
Pick 453 o o
Pp H 6366 o
Pp H 6370 o o
Pp H 7832
Pp H 7907
Pp H 7929 o
Princeton 105 o o o
Pro Seeds - 453 o
PST-108-79 o o
PST-161 o
PST-1804 o
PST-222 o o
PST-604 o
PST-B3-170 o o
PST-B4-246 o o
PST-B5-125 o o
PST-H5-35 o o
PST-H6-150 o o
PST-York Harbor 4 o o o
Quantum Leap o o
Rambo o o
Raven o o
Rita o
Royale (A97-1336) o o
Royce (A98-304) o o
Rugby II o o
Serene o o o o
Shamrock
Showcase o o
SI A96-386
Sonoma o o
SR 2284
(SRX 2284)
SRX 2114 o o
SRX 2394
SRX 26351 o
SRX 27921 o
SRX QG245 o o o o
Total Eclipse o o
Tsunami (J-2487) o o o
Unique o o
Unknown o
Voyager II o o
(PST-1QG-27)
Washington o o o
Wellington o o
Wildwood o o o
Winter Winter Genetic Genetic Genetic
Color Color Color Color Color
Rating Rating Rating Rating Rating
Locations
5 3 24 27 14
Year
Genptype/Cultivar 2002 2001 2003 2001 2002
‘HB 329’
IB7-308 x x x
99AN-53 o o o
A96-427 o
A96-451 x x
A96-739
A96-742 o o o o
A97-1330 o o o o o
A97-1409 x x x x
A91-1432
A97-1715 o o o
A97-857 o o o
A98-1028 x o o o
A98-139 x o o o
A98-183
A98-365 o x
A98-407
A98-881 o o o
Abbey o o o o
Allure o o o o
Alpine o o o o
Apollo o o o o
Arcadia o x x
Arrow (A97-1567) o
Ascot o o
AVALANCHE o o o o
(PST-1701)
Award o x x x
Awesome (J-1420) x x
B3-171 o o o o
B3-185 o o o o o
B4-128A o o o o
B5-144 o o o o
B5-43 o o o o o
B5-45 o o o o o
Ba 00-6001 o o
Ba 82-288 x o
Ba 83-113 x
Ba 84-140 o x x x
BAR Pp 0468 o o o o
BAR Pp 0471 o o o o o
BAR Pp 0566 x
BAR Pp 0573 o
Bariris o o o o
Baritone o o o
Baron o o o o o
Baronette x o
(Ba 81-058)
Baronle o o o
Barrister (J-1655) x x
Bartitia o o o o
Barzan x o o o
Bedazzled o
Beyond (J-1880) x x
BH 00-6002 o o o o o
(HB 129)
Blacksburg II
(PST-1BMY)
Blackstone x x
Blue Knight x
Blue Ridge x x x
(A97-1449)
Blue Sapphire
(NA-K991)
Bluemax x x x
(PST-B5-89)
Bluestone x x
(PST-731)
Bodacious o
Boomerang o x
Bordeaux x x
Boutique x
Brilliant o o o o o
Brooklawn o o o o
Cabernet o o o o
Champagne o o o
Champlain o o
(A98-1275)
Chateau o o o o
Chelsea o o o o
Chicago II x x x
Coventry o o o o o
CVB-20631 o o o o
DLF 76-9032 o o o o o
DLF 76-9034 o o o o o
DLF 76-9036 o o o o
DLF 76-9037 o o o o o
Eagleton o o o o
Envicta o o o o
Everest o x x
EverGlade o x x
Excursion (J-1648) x x
Fairfax o o o o o
Freedom II x x
Ginney (J-1368) x x
Glenmont o
(H94-293)
GO-9LM9 o o o o
Goldrush o o o o
Goldstar (A98-296) o
H92-203 o o o o o
H92-558 x o
Hallmark o o
HV 140 o o o o o
HV-238 o o o
Impact x x
J-1513 o x x x
J-1838 o x x
J-2561 x x
J-2885 x x
J-2890 x x
Jefferson o o o
Jewel o o o o o
Julia o o o
Julius o o o o
Kenblue o o o o o
Lakeshore o o o o
(A93-200)
Langara o o
Liberator o x
Lily o o o
Limerick o o o o o
Limousine o o o o
Mallard (A97-1439)
Markham x o x
(NA-K991)
Marquis o o o o
Mercury (Pick-232) o o
Midnight x x
Midnight II o x x
(A98-739)
Misty x o o o
Monte Carlo
(A96-402)
Moon Shadow
(Pick 113-3)
Moonlight o x x
NA-K992 o o x
North Star o o
NU Destiny o x x
(J-2695)
NuGlade o x x
Odyssey o x x
Perfection x x
(J-1515)
Pick 417 o x o
Pick 453 o o
Pp H 6366 o o o o
Pp H 6370 o o o
Pp H 7832 o o
Pp H 7907 o o
Pp H 7929 o o o o
Princeton 105 o o
Pro Seeds - 453 o o o o
PST-108-79 o o o
PST-161 o o
PST-1804 o o o o
PST-222 x x x
PST-1804
PST-83-170 o
PST-84-246 o o
PST-85-125 o
PST-H5-35 o
PST-H6-150 o o o o o
PST-York Harbor 4 o
Quantum Leap x x x
Rambo o o o o
Raven o o o o
Rita x o
Royale (A97-1336) o o
Royce (A98-304) o o o o o
Rugby II o x x
Serene o o o
Shamrock o o o
Showcase o o o o o
SI A96-386 o
Sonoma o
SR 2284 o
(SRX 2284)
SRX 2114 x o x
SRX 2394 x
SRX 26351 o
SRX 27921 o
SRX QG245 o o
Total Eclipse x x
Tsunami (J-2467) o x x
Unique o o o o o
Unknown x x
Voyager II o o o o o
(PST-1QG-27)
Washington o o o o
Wellington o o o o
Wildwood o
o Denotes significanty lesser or poorer performance than (‘HB 329’) based on LSD Values
x Denotes significantly greater or better performance than (‘HB 329’) based on LSD Values
  Denotes similiar performance to (‘HB 329’) based on LSD Values

!
TABLE 16
Differences between ‘HB 329’ and other Grasses in the 2001, 2002, and
2003 Reports of the National Kentucky Bluegrass Evaluation Program.
(For definition of x and o' see bottom of table.)
% %
Living Living Spring Spring
Ground Ground Leaf Leaf Green Green
Cover Cover Texture Texture Up Up
Summer Summer Rating Rating Rating Rating
Locations
6 3 18 21 21 21
Genotype/ Year
Cultivar 2002 2003 2002 2003 2002 2003
‘HB 329’
IB7-308 x x o
99AN-53 o o x
A96-427 x x x
A96-451 o o x x
A96-739 x x x x
A96-742 o x x x x
A97-1330 x
A97-1409 o o x x
A97-1432 x x x x
A97-1715 x x x x
A97-857 x x
A98-1028 x x x
A98-139 x x x x
A98-183 x x
A98-365 x
A98-407 o o x
A98-881 o x x x x
Abbey x x
Allure o
Alpine o x o o
Apollo x x
Arcadia o x x o o
Arrow x x
(A97-1567)
Ascot x o o
AVALANCHE x x x x
(PST-1701)
Award x x o o
Awesome o x o
(J-1420)
B3-171 x
B3-185 x x x
B4-128A o x x
B5-144
B5-43 x
B5-45 x
Ba 00-6001 o x x o
Ba 82-288 o x x x
Ba 83-113 x x x
Ba 84-140 o o x x
BAR Pp 0468 x x
BAR Pp 0471 x
BAR Pp 0566 o x x x
BAR Pp 0573 x x x
Bariris o x x x
Baritone x
Baron o x
Baronette x x x x
(Ba 81-058)
Baronie x x x x
Barrister x o
(J-1655)
Bartitia o x
Barzan x x o o
Bedazzled x x x x
Beyond x o
(J-1880)
BH 00-6002 x x
(HB 129)
Blacksburg II x x x x
(PST-1BMY)
Blackstone x x x x
Blue Knight o x o
Blue Ridge o o x
(A97-1449)
Blue Sapphire x
(NA-K991)
Bluemax x x
(PST-B5-89)
Bluestone x o
(PST-731)
Bodacious o o x
Boomerang o x x o
Bordeaux o x x x
Boutique x x x
Brilliant x
Brooklawn x x x x
Cabernet x x x
Champagne o x x x
Champlain x o
(A98-1275)
Chateau x
Chelsea o x x o
Chicago II x
Coventry o
CVB-20631 o o x x o o
DLF 76-9032 x x
DLF 76-9034 o
DLF 76-9036 o x
DLF 76-9037 x x
Eagleton x x x
Envicta o o
Everest o x o o
EverGlade o x x o o
Excursion o x x o o
(J-1648)
Fairfax
Freedom II o x
Ginney x x o o
(J-1368)
Glenmont x x x
(H94-293)
GO-9LM9 o o x x
Goldrush x
Goldstar x x x x
(A98-296)
H92-203 x x
H92-558 o x
Hallmark x o
HV 140 x x
HV-238 x x x
Impact o x o o
J-1513 o x o o
J-1838 o x x o o
J-2561 o x x o o
J-2885 x
J-2890 x o o
Jefferson o x x x x
Jewel x x
Julia o x x
Julius o o x
Kenblue x x x
Lakeshore x x x x
(A92-200)
Langara x x x
Liberator x
Lily x
Limerick o x x o o
Limousine x x
Mallard x
(A97-1439)
Markham o x o
(NA-K991)
Marquis o x
Mercury o x
(Pick-232)
Midnight x o
Midnight II x x o o
(A98-739)
Misty x
Monte Carlo x
(A96-402)
Moon Shadow x
(Pick 113-3)
Moonlight x x
NA-K992 o x x
North Star o x o o
NU Destiny x o o
(J-2695)
NuGlade x x o
Odyssey o x x o o
Perfection o x o o
(J-1515)
Pick 417 o o
Pick 453 o x
Pp H 6366 o o x x
Pp H 6370 o x x
Pp H 7832 o x
Pp H 7907 o o x x
Pp H 7929 o o x x
Princeton 105 x o
Pro Seeds - 453 x x
PST-108-79 x x
PST-161 x x x x
PST-1804 x x x
PST-222 o o
PST-604 x x x x
PST-B3-170 x x o o
PST-B4-246 x o
PST-B5-125 x
PST-H5-35 o x x
PST-H6-150 x x
PST-York o x
Harbor 4
Quantum Leap x o o
Rambo o x x
Raven o o x
Rita x x x
Royale o x x
(A97-1336)
Royce x x
(A98-304)
Rugby II x x o
Serene x
Shamrock x x x
Showcase x x
SI A96-386 o o x x
Sonoma o o x x
SR 2284 o x x x
(SRX 2284)
SRX 2114 x x o
SRX 2394 o o x x x o
SRX 26351 o o x x
SRX 27921 o o x o
SRX QG245 o o x x x x
Total Eclipse x x o
Tsunami o x o o
(J-2487)
Unique x
Unknown x x o o
Voyager II x x
(PST-1QG-27)
Washington o x x x
Wellington x x x
Wildwood x x
o Denotes significantly lesser or poorer performance than (‘HB 329’) based on LSD Values
x Denotes significantly greater or better performance than (‘HB 329’) based on LSD Values
  Denotes similar or comparable performance to (‘HB 329’) based on LSD Values
With regard to a comparative analysis conducted for purposes of determining color of ‘HB 329’ plants relative to Kentucky bluegrass varieties and a hybrid bluegrass, readings were taken of the vegetative color of ‘HB 329’ on actively growing plants with adequate nutrient and water availability. Color readings showed that ‘HB 329’ leaves had a dark green color and has blue-green coloration. This was dissimilar to HB 129 and most Kentucky bluegrasses with the exception of Langara (Table 17).
TABLE 17
Comparison of ratings for growth habit, leaf color and leaf blade width
for ‘HB 329’ and various Kentucky bluegrass varieties and
HB 129 hybrid bluegrass for year 2.
Growth Leaf Color
Variety Habit Green Blue Green Blade Width
‘HB 329’ 2.0 3.6 3.1 2.7
HB 129 2.0 1.0 1.0 4.5
Langara 3.0 3.1 1.9 3.6
Julia 2.1 1.6 1.4 3.2
Adelphia 2.0 2.4 1.8 4.0
Touchdown 1.9 1.0 1.0 4.9
America 1.9 2.8 2.3 3.1
Midnight 1.3 3.1 1.5 2.7
Baron 1.3 1.2 1.4 4.8
Ram I 1.2 2.0 1.0 3.9
Nugget 1.1 2.5 1.7 2.8
LSD (0.05) 0.4201 0.3899 0.5288 0.5025
1 - Pros- 1 - Light 1 - Not Blue 1 - Very
trate Green Green Fine
2 - Semi- 2 - Medium 2 - Mod Blue 2 - Fine
Pros- Green Green 3 - Medium
trate 3 - Mod Dark 3 - Blue- 4 - Broad
3 - Erect Green Green 5 - Very
4 - Very Dark 4 - Strong Broad
Green Blue-
Green
Further comparative testing of ‘HB 329’ plants relative to Kentucky bluegrass, Texas bluegrass and hybrid varieties was conducted and the results of this testing are set forth in the following Tables 18 and 19:
TABLE 18
Comparison of morphological traits of flowering tillers of plants
allowed to over winter in the field and brought into a controlled
greenhouse environment (60-75° F.) in late winter and allowed to
grow undisturbed during the winter of 2004-2005 at
The Scotts Company facility at Gervais, Oregon.
Flag Leaf
Flag Leaf Ligule Hairs Flag Leaf Anthesis
Ligule 0 = none Thickness (days to
Variety Length (mm) 9 = Many (mm) flowering)
‘HB 329’ 2.3 3.2 0.0182 145
HB 129 1.3 5.8 0.0149 138
Reveille 2.3 0.9 0.0207 141
Geronimo 1.7 7.1 0.0164 140
Ascot 2.0 5.6 0.0166 141
Midnight 0.8 3.9 0.0145 148
Buckingham 2.4 8.1 0.0190 142
Texas Bluegrass 1.7 0.1 0.0262 140
(TX 51-90)
Texas Bluegrass 2.7 0.1 0.0199
(TX 39-88)
Texas Bluegrass 2.0 0.5 0.0231 140
(TX 49-90)
Kelly 2.1 6.3 0.0163 143
LSD (P = .05) 0.663 1.93 0.003324 4.854
‘HB 329’ has a similar flag leaf ligule, more hairs on the flag leaf ligule and a thinner flag leaf than Reveille hybrid bluegrass. ‘HB 329’ has a longer flag leaf ligule, fewer hairs on the flag leaf ligule and a thicker flag leaf than HB129 hybrid bluegrass (Table 18).
‘HB 329’ has a shorter spikelet length and fewer florets/spikelets on both the first whorl and third whorl than HB 129 hybrid bluegrass and is similar to Reveille hybrid bluegrass in these traits (Table 17). ‘HB 329’ has longer glumes than HB 129 and Reveille hybrid bluegrass. ‘HB 329’ is shorter than Reveille and HB 129 hybrid bluegrasses (Table 19).
TABLE 19
Comparison of morphological traits of plant inflorescence - spikelets,
florets, glumes - from panicles havested from a field nursery and plant
height in 2005 at The Scotts Company facility at Gervais, Oregon.
Spikelet Spikelet Spikelet Spikelet
Length Length Width Width
1stWhorl 3rdWhorl 1stWhorl 3rdWhorl
Variety (mm) (mm) (mm) (mm)
‘HB 329’ 6.2 6.5 4.3 3.8
HB 129 7.6 7.1 4.5 4.0
Reveille 6.1 6.4 4.0 4.2
Geronimo 5.5 6.3 4.2 4.0
Ascot 5.6 5.8 4.4 4.3
Midnight 5.7 6.4 2.7 3.2
Buckingham 6.9 6.9 4.6 4.7
Texas Bluegrass 7.6 7.5 7.3 7.1
TX 51-90
Texas Bluegrass 8.6 8.5 5.9 5.7
TX 39-88
Texas Bluegrass 9.7 9.7 8.2 8.0
TX 49-90
Kelly 6.3 6.1 4.4 4.3
LSD (P = .05) 1.679 1.738 1.875 1.621
Lower Lower
Florets/ Florets/ Glume Glume
Spikelet Spikelet Length Length
1stWhorl 3rdWhorl 1stWhorl 3rdWhorl
Variety (Count) (Count) (mm) (mm)
‘HB 329’ 4.6 5.0 3.7 3.6
HB 129 8.6 7.0 3.1 3.2
Reveille 4.0 4.9 2.9 3.3
Geronimo 5.2 6.0 2.7 3.0
Ascot 3.8 4.3 2.9 2.9
Midnight 4.3 5.8 2.7 2.6
Buckingham 6.7 7.1 3.1 3.0
Texas Bluegrass 8.8 8.5 3.6 3.3
TX 51-90
Texas Bluegrass 8.0 7.9 3.6 3.6
TX 39-88
Texas Bluegrass 8.7 8.6 5.4 5.0
TX 49-90
Kelly 4.3 4.9 2.8 2.9
LSD (P = .05) 1.69 1.81 0.853 0.682
Upper Upper
Glume Glume
Length Length Plant
1stWhorl 3rdWhorl Height
Variety (mm) (mm) (cm)
‘HB 329’ 3.6 3.7 35.8
HB 129 3.5 3.3 58.3
Reveille 3.3 3.5 51.6
Geronimo 2.9 3.1 56.9
Ascot 3.1 3.1 38.2
Midnight 3.1 3.2 29.7
Buckingham 3.4 3.4 48.2
Texas Bluegrass 4.2 4.2 48.1
TX 51-90
Texas Bluegrass 4.0 4.2 60.4
TX 39-88
Texas Bluegrass 6.0 5.4 56.2
TX 49-90
Kelly 3.0 3.0 38.0
LSD (P = .05) 0.951 0.803 8.807

Claims (1)

1. A new and distinct hybrid variety of (Texas bluegrass×Kentucky bluegrass)×Kentucky bluegrass plant, as herein illustrated and described and characterized by a moderately rapid establishment; a dark green, moderately dense turf; a wide leaf blade; moderately aggressive rhizome growth; a moderate level of cotton on the seed; and a low to medium-low seed yield potential.
US11/208,473 2005-08-19 2005-08-19 Hybrid variety of (Texas Bluegrass×Kentucky Bluegrass)×Kentucky Bluegrass designated ‘HB 329’ Active 2026-01-17 USPP18439P2 (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060031969A1 (en) * 2004-08-06 2006-02-09 Oms Investments, Inc. Hybrid bluegrass plants and seeds
USPP21045P2 (en) 2008-02-22 2010-06-01 Smg Brands, Inc. Hybrid variety of Texas×Kentucky bluegrass designated ‘HB 128’
WO2014159642A1 (en) * 2013-03-14 2014-10-02 J.R. Simplot Company Turfgrass varieties having desirable looking turf when mowed infrequently
USPP34353P2 (en) 2021-04-28 2022-06-14 The Texas A&M University System Hybrid bluegrass named ‘TAES 5701’
USPP34672P2 (en) 2021-04-28 2022-10-18 The Texas A&M University System Hybrid bluegrass named ‘DALBG 1201’

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060031969A1 (en) * 2004-08-06 2006-02-09 Oms Investments, Inc. Hybrid bluegrass plants and seeds
USPP21045P2 (en) 2008-02-22 2010-06-01 Smg Brands, Inc. Hybrid variety of Texas×Kentucky bluegrass designated ‘HB 128’
WO2014159642A1 (en) * 2013-03-14 2014-10-02 J.R. Simplot Company Turfgrass varieties having desirable looking turf when mowed infrequently
USPP34353P2 (en) 2021-04-28 2022-06-14 The Texas A&M University System Hybrid bluegrass named ‘TAES 5701’
USPP34672P2 (en) 2021-04-28 2022-10-18 The Texas A&M University System Hybrid bluegrass named ‘DALBG 1201’

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