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Smooth cordgrass named ‘LA11-102’

a technology of smooth cordgrass and la11102, which is applied in the field of smooth cordgrass named la11102, can solve the problems of reducing the ability to adapt to environmental changes, and achieve the effect of high viable seed yield and fast recovery

Active Publication Date: 2015-01-27
BOARD OF SUPERVISORS OF LOUISIANA STATE UNIV & AGRI & MECHANICAL COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent is about a new variety of smooth cordgrass (Spartina alterniflora Loisel.) called "LA11-102". This variety is different from other smooth cordgrass varieties and has a unique genetic profile. It is faster and produces more seeds that can germinate. It is recommended for use in brackish and saline marsh restoration projects in the northern Gulf of Mexico. Overall, "LA11-102" is a new and distinct cordgrass variety that is easy to grow and can successfully establish in natural environments.

Problems solved by technology

The widespread use of a single variety reduces genetic variation, thus reducing the ability to adapt to environmental changes.

Method used

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  • Smooth cordgrass named ‘LA11-102’
  • Smooth cordgrass named ‘LA11-102’

Examples

Experimental program
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Effect test

example 2

Elite Field Trials

[0041]In elite field trials, ‘LA11-102’ was as vigorous as ‘Vermilion’ at Cameron Parish, Grand Terre, and Rayne in 2006 and less vigorous than Vermilion at Rayne in 2005. ‘LA11-102’ had similar rust reaction and plant spread as ‘Vermilion’ at Rayne in 2005 and 2006. It was shorter than ‘Vermilion’ at Rayne in 2005 and taller than ‘Vermilion’ at Rayne in 2006. ‘LA11-102’ also had higher seed set and seed germination and fewer stems per plot than ‘Vermilion’ in freshwater production ponds (Table 3).

[0042]

TABLE 3VarietyVigor†Rust‡Spread (m2)Height (cm)Cameron Parish, 2003‘LA11-102’6.6 a———‘Vermilion’8.8 a———Grand Terre, 2003‘LA11-102’5.6 a———‘Vermilion’7.8 a———Rayne, 2005‘LA11-102’8.0 b3.0 a1.5 a199.3 b‘Vermilion’9.7 a2.7 a2.5 a209.3 a Rayne, 2006‘LA11-102’7.7 a3.0 a2.2 a238.0 b‘Vermilion’9.0 a2.3 a2.6 a218.0 aNumber ofSeed SetSeed GerminationVarietyStems(%)(%)Cameron Parish, 2003‘LA11-102’———‘Vermilion’———Grand Terre, 2003‘LA11-102’———‘Vermilion’———Rayne, 2005‘LA11-...

example 3

Supreme Field Trials

[0043]In supreme field trials, ‘LA11-102’ was more vigorous than ‘Vermilion’ one (1) month after transplant on man-made marsh terraces in Cameron Parish; however one (1) year after transplant ‘LA11-102’ was as vigorous as ‘Vermilion’ (Table 5). At the remaining supreme field trial sites, ‘LA11-102’ had a similar vigor, rust reaction, plant spread, and had approximately an equal number of stems per plot as ‘Vermilion’. ‘LA11-102’ was shorter than ‘Vermilion’ at both Grand Chenier sites and taller than ‘Vermilion’ at both Rayne sites (Table 4). ‘LA11-102’ also had higher seed set and seed germination than ‘Vermilion’ at both Rayne sites (Table 4).

[0044]

TABLE 4VarietyVigor†Rust‡Spread (m2)Height (cm)Cameron Parish, 2008§‘LA11-102’ 6.0 a———‘Vermilion’ 1.0 b———Cameron Parish, 2009§‘LA11-102’ 3.7 a———‘Vermilion’ 4.7 a———Grand Chenier, 2008‘LA11-102’ 9.0 a3.7 a1.8 a103.0 b‘Vermilion’10.0 a1.3 a2.6 a164.0 aGrand Chenier, 2009‘LA11-102’ 7.7 a2.3 a1.6a112.0 b‘Vermilion’ 9....

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PUM

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Abstract

A new variety of smooth cordgrass identified as ‘LA11-102’ is disclosed as being genetically different from ‘Vermilion’ and ‘LA11-101’ and as having rapid establishment and growth in natural brackish and saline marsh environments, and excellent seed set and germination.

Description

[0001]The development of this invention was partially funded with Hatch Act Formula Funds (Project number LAB93864) and through grants from the United States Department of Agriculture's National Institute of Food and Agriculture (Agreement numbers: 2010-34396-21191, 2009-34396-20051, 2008-34396-19316, 2006-34396-17624, 2005-34396-16498). The Government may have certain rights in this invention.[0002]This invention pertains to a new and distinct variety of smooth cordgrass.BACKGROUND OF THE INVENTION[0003]Smooth cordgrass (Spartina alterniflora Loisel.) is a perennial grass native to intertidal saline marshes along the Atlantic and Gulf of Mexico coasts in the United States. It is used in numerous restoration projects to decrease coastal erosion. In Louisiana, one smooth cordgrass variety, ‘Vermilion’(unpatented), is used extensively. The widespread use of a single variety reduces genetic variation, thus reducing the ability to adapt to environmental changes. ‘LA11-102’, along with ‘...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): A01H5/00A01H6/46A01H5/12
CPCA01H5/12A01H6/46
Inventor KNOTT, CARRIE ANNMATERNE, MICHAEL DAVIDUTOMO, HERRY SUTJAHJOSUBUDHI, PRASANTA KUMARBAISAKH, NIRANJANHARRISON, STEPHEN ALAN
Owner BOARD OF SUPERVISORS OF LOUISIANA STATE UNIV & AGRI & MECHANICAL COLLEGE