Comparative Evaluation of Common Savannah Grass on a Range of Soils Subjected to Different Stresses II: Root Zone Physical Condition

Springer, Raymond; Eudoxie, Gaius; Gouveia, Gregory A.

doi:10.3390/agronomy4010124

Cited by 2 publications

(1 citation statement)

References 41 publications

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“…By germination, bermudagrass shifts from and roots also play an essential role in response to submersion. Results obtained are in agreement with previous researches on bermudagrass, indicating that bermudagrass seedlings have a high tolerance to water submersion (Ashraf and Yasmin, 1991;Springer et al, 2014;Tan et al, 2010).…”

Section: Greenhouse Experimentssupporting

confidence: 92%

Germination and seedlings response of bermudagrasses under water submersion

Giolo¹,

Masin²,

Macolino³

et al. 2021

Europ.J.Hortic.Sci

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De Luca et al., 2008) including species choice. Due to climate changes, warm-season species, and especially bermudagrass, are becoming popular in the transition zones of Europe (Macolino et al., 2016). However, only a few studies have investigated the effect of increased rainfall intensity on early-stage growth of warm-season turf species. Heavy or total plant submersion, or waterlogging when plants are not submerged but soil pores are saturated (Bailey-Serres et al., 2012; Striker, 2012). Waterlogging and, to a greater extent, submersion, can cause several visible symptoms on plants, especially when they are prolonged, such as reduced photosynthetic activity, abscission of leaves, chlorosis, lower growth of roots and stems (Batzli and Dawson, 1997). Flooding events can be extremely harmful to plants (Bailey-Serres et al., 2012), a decrease in oxygen diffusion rate (ODR), pH, and soil redox potential, and an accumulation of toxic com-uration (Parent et al., 2008; Voesenek et al., 2006). The oxyof oxygen to plant roots that can restrict seedling emergence (Chesworth, 2008; Neira et al., 2015). Studies by Letey et al. (1966) found that at ODR of 0.15-2 cm-1 roots growth of bermudagrass (Cynodon spp.) drastically reduced, even if

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Section: Greenhouse Experimentssupporting

confidence: 92%

Germination and seedlings response of bermudagrasses under water submersion

Giolo¹,

Masin²,

Macolino³

et al. 2021

Europ.J.Hortic.Sci

View full text Add to dashboard Cite

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Comparative Evaluation of Common Savannahgrass on a Range of Soils Subjected to Different Stresses I: Productivity and Quality

2014

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Turfgrass growth, performance and quality are affected by abiotic stress factors and are of primary concern for persons managing turfgrass areas under seasonal tropical climates. Under these conditions, common Savannahgrass (SG) may have a performance advantage over imported hybrid turfgrasses. A greenhouse study was conducted to comparatively evaluate the performance of tropical turfgrasses exposed to water and compaction related stresses across a range of soils, with or without the addition of a surface sand layer. Turfgrass productivity and quality was monitored over a four-month growth period. Clipping yield (CY) was lower at the higher compaction effort for all turfgrasses, but across all stresses, drought (D) and waterlogging (WL) resulted in lower CY. Values were significantly lower under D. SG had the highest clipping yield across all soils. The chlorophyll index (CI) was lower for all turfgrasses under water-induced stress compared to compaction stresses. SG had a significantly higher CI across all stress treatments. Correlation analysis showed a positive (r² = 0.420) and significant (p < 0.05) relationship between CY and CI. Similar to CI, stress type influenced turfgrass visual quality (VQ), with D stress, resulting in the lowest VQ rating among turfgrasses. Bermudagrass (BG) had the lowest VQ across all stress treatments, whilst, comparatively, Zoysiagrass (ZG) had significantly higher VQ under high compaction (HC), low compaction (LC) and WL stress. Overall, SG showed a higher level of tolerance to applied stresses and warrants greater attention as a potential turfgrass under tropical conditions. OPEN ACCESSAgronomy 2014, 4 203

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Comparative Evaluation of Common Savannah Grass on a Range of Soils Subjected to Different Stresses II: Root Zone Physical Condition

Cited by 2 publications

References 41 publications

Germination and seedlings response of bermudagrasses under water submersion

Germination and seedlings response of bermudagrasses under water submersion

Comparative Evaluation of Common Savannahgrass on a Range of Soils Subjected to Different Stresses I: Productivity and Quality

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