Low Temperature Tolerance of Zoysiagrasses

Dunn, J. H.; Bughrara, Suleiman S.; Warmund, Michele R.; Fresenburg, Brad F.

doi:10.21273/hortsci.34.1.96

Cited by 44 publications

(46 citation statements)

References 4 publications

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“…, 1993; Shashikumar and Nus, 1993). Results from laboratory‐based procedures correspond well with field experiments (Dunn et al. , 1999; Qian et al.…”

Section: Introductionsupporting

confidence: 73%

Freeze tolerance of forage bermudagrasses

Anderson¹,

2011

Grass and Forage Science

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The ability to survive harsh winters is one of the primary factors limiting bermudagrass (Cynodon spp.) distribution, especially those used for forage. Consequently, improved stress tolerance has been a goal of programmes for breeding bermudagrasses. While significant progress has been made in developing and evaluating freeze tolerance of turfgrasses, information on forage bermudagrasses is limited. Our objective was to evaluate freeze tolerance of recently released forage bermudagrasses compared with standard cultivars. Plants were established and acclimated in growth chambers and exposed to sub-freezing temperatures in a programmable freeze chamber. Plant responses to low-temperature exposures were quantified by regrowth mass. Freeze tolerance of Tifton 44 and Coastal was not significantly different from Midland, the reference cultivar. Coastcross, Tifton 85 and Tifton 68 were more susceptible to low-temperature injury than Midland, while Hardie, Goodwell, Midland 99 and Ozark were more freeze tolerant than Midland. Ozark, Midland 99, Goodwell and Hardie are less likely to sustain winterkill than Coastcross, Tifton 85 and Tifton 68 in areas that frequently experience low temperatures. Cultivars with one or more parents originating in Kenya had poor freeze tolerance, while germplasm from Yugoslavia and Afghanistan produced plants that were more freeze tolerant.

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“…, 1993; Shashikumar and Nus, 1993). Results from laboratory‐based procedures correspond well with field experiments (Dunn et al. , 1999; Qian et al.…”

Section: Introductionsupporting

confidence: 73%

Freeze tolerance of forage bermudagrasses

Anderson¹,

2011

Grass and Forage Science

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“…Thus 'Meyer' was the most cold-tolerant cultivar. This result was similar to those in several previous reports (Warmund et al, 1998;Dunn et al, 1999;Patton and Reicher, 2007). 'Meyer' was the only commercially-available cultivar showing ≤ 7% Winter injury in two consecutive years (Patton and Reicher, 2007).…”

Section: Screening Zoysiagrass Accessions For Cold Tolerancesupporting

confidence: 92%

Isolation and expression profiles of theZjDREB1gene encoding a DRE-binding transcription factor from zoysiagrass (Zoysia japonica)

Wang

Zhang

Xuan

et al. 2012

The Journal of Horticultural Science and Biotechnology

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“…Cold stress is the primary limiting factor for the distribution of zoysiagrass in transitional and temperate regions. However, zoysiagrass exhibits greater freezing tolerance than other warm-season turfgrasses [14], and the injuries incurred during the winter vary widely among zoysiagrass genotypes [15,16,17]. The physiological basis for these differences has only partially been explored [18,19].…”

Section: Introductionmentioning

confidence: 99%

Comparative Proteomic Analysis of the Stolon Cold Stress Response between the C4 Perennial Grass Species Zoysia japonica and Zoysia metrella

et al. 2013

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Zoysiagrass, the most cold-tolerant grass among the warm-season turfgrasses, is often used as a model species for isolating cellular components related to cold stress. To understand the proteomic responses to cold stress in zoysiagrass stolons, we extracted stolon proteins from Zoysia japonica , cv. Meyer (cold-tolerant) and Z . metrella , cv. Diamond (cold-sensitive), which were grown with or without cold treatment. Approximately 700 proteins were resolved on 2-DE gels, and 70 protein spots were differentially accumulated. We further observed that 45 of the identified proteins participate in 10 metabolic pathways and cellular processes. A significantly greater number of proteins accumulated in the Meyer than in the Diamond and 15 increased proteins were detected only in the Meyer cultivar under cold stress. Furthermore, we propose a cold stress-responsive protein network composed of several different functional components that exhibits a balance between reactive oxygen species (ROS) production and scavenging, accelerated protein biosynthesis and proteolysis, reduced protein folding, enhanced photosynthesis, abundant energy supply and enhanced biosynthesis of carbohydrates and nucleotides. Generally, the cold-tolerant Meyer cultivar showed a greater ROS scavenging ability, more abundant energy supply and increased photosynthesis and protein synthesis than did the cold-sensitive Diamond cultivar, which may partly explain why Meyer is more cold tolerant.

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Low Temperature Tolerance of Zoysiagrasses

Cited by 44 publications

References 4 publications

Freeze tolerance of forage bermudagrasses

Freeze tolerance of forage bermudagrasses

Isolation and expression profiles of theZjDREB1gene encoding a DRE-binding transcription factor from zoysiagrass (Zoysia japonica)

Comparative Proteomic Analysis of the Stolon Cold Stress Response between the C4 Perennial Grass Species Zoysia japonica and Zoysia metrella

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