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Hybrid variety of Texas.times.Kentucky bluegrass designated `HB 128`

a hybrid and bluegrass technology, applied in the field of hybrid texas.times.kentucky bluegrass designated hb 128, can solve the problems of unaligned and split genes, and achieve the effects of high seedling vigor, rapid stand establishment, and medium leaf textur

Active Publication Date: 2010-06-01
SMG BRANDS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0010]‘HB 128’ has a number of highly desirable characteristics, including a high level of seedling vigor and rapid stand establishment. ‘HB 128’ has an upright leafy turf type, medium leaf texture, a medium dark green color, and less than average leaf glaucosity which can be maintained throughout the entire growing season. ‘HB 128’ demonstrates early spring greenup and growth under mild winter conditions. ‘HB 128’ has an aggressive, spreading habit.
[0011]‘HB 128’ has a medium to high seed yield potential in the Kentucky bluegrass seed production region of the northwestern United States and has shown the potential for economic seed production not seen in other Poa arachnifera×Poa pratensis hybrids.
[0012]In comparison with the ‘Reveille’ hybrid, ‘HB 128’ has demonstrated relatively rapid germination and emergence in fall sowings. In comparison with ‘HB 129’, ‘HB 128’ is a darker green color, shows better tolerance to foliar disease, is quicker to spring greenup and has a more rapid germination and establishment.

Problems solved by technology

Thus, even though the parents are the same, progeny are not going to receive the same set of genomes; the result is genomes that are split and unaligned.

Method used

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Examples

Experimental program
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Embodiment Construction

[0017]‘HB 128’ Texas bluegrass×Kentucky bluegrass (Poa arachnifera L.×Poa pratensis L.) hybrid is perennial with creeping rhizomes forming a dense turf. When plants grown over winter in the field and grown undisturbed by clipping, the culms are semi-erect averaging 62.6 cm in length. See Table 7 below. The vegetative leaf averages 8.6 cm in length. See Table 16 below. Flag leaf length averages 5.65 cm in length, 4.4 mm in width and has a sheath length of 13.4 cm. See Tables 19, 20 and 23 below. The flag leaf ligule averages 1.9 mm in length and has more than average hairs on ligule than other varieties. See Table 30 below. The panicle averages 10.1 cm in length and 10.3 cm in width. See Tables 34 and 35 below. The lowest whorl of the panicle averages 4.4 branches, the third whorl averages 3.7 branches, and the peduncle averages 30.4 cm in length. See Tables 42, 48 and 49 below.

[0018]‘HB 128’ produces inflorescences relatively early compared with Kentucky bluegrasses.

[0019]Comparison...

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PUM

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Abstract

A hybrid variety of Texas bluegrass×Kentucky bluegrass as described, characterized by rapid establishment; a medium dark green, dense turf; a medium wide leaf blade; aggressive spreading growth; a reduced level of cotton on the seed; and a medium to high seed yield potential.

Description

BACKGROUND OF THE INVENTION[0001](a) Field of the Invention[0002]The present invention relates to a new and distinct hybrid variety of Poa arachnifera Torr.×Poa pratensis L. that has been designated as ‘HB 128’ bluegrass.[0003](b) Description of Related Art[0004]A Poa arachnifera×Poa pratensis hybrid designated ‘HB 129’ bluegrass having the same female parents as those employed in breeding the present ‘HB 128’ bluegrass has been disclosed in U.S. Plant Pat. No. 18,467, issued Jan. 29, 2008. Also, a Poa arachnifera×Poa pratensis hybrid designated ‘Reveille’ has been disclosed in PVP Certificate No. 9800337.SUMMARY OF THE VARIETY[0005]‘HB 128’ bluegrass is the result of a single plant selected from the progeny of Texas bluegrass (Poa arachnifera Torr.) female plant ‘10-10’ (seed parent), with cv. ‘Geronimo’ Kentucky bluegrass (pollen parent)(Poa pratensis L.) cross for perfect flowers, apomixis and turfgrass performance characteristics in the F1 generation.[0006]Texas bluegrass female...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): A01H5/00A01H5/12
CPCA01H5/12A01H6/466
Inventor BURR, JAY B.MARQUEZ, GEORGEFRELICH, JAMES R.HARDISON, JOHN R.
Owner SMG BRANDS INC
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