Effect of strong wind on laminas and petioles of Farfugium japonicum (L.) Kitam. var. japonicum (Asteraceae)

Shiba, Masayuki; Mizuno, Tomoyuki; Fukuda, Tatsuya

doi:10.3389/fpls.2023.1182266

Cited by 4 publications

(2 citation statements)

References 84 publications

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“…var. japonicum (Asteraceae) has a decreased lamina size to reduce the movement of the petiole so that the petiole does not break against strong winds in coastal areas 5 . Sudden flooding and rising water levels after heavy rainfall, are also environmental stressors that affect plants that grow alongside rivers 6 .…”

Section: Introductionmentioning

confidence: 99%

Rheophytic Osmunda lancea (Osmundaceae) exhibits large flexibility in the petiole

Shiba,

Fukuda

2024

Sci Rep

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The riparian zone, found alongside rivers and streams, is a unique habitat characterized by its vulnerability to sudden floods following intense rainfall. To cope with these challenging conditions, a specific group of plants with linear and lanceolate lamina have adapted to thrive in these environments. Despite their unique ability to withstand the forceful water flow, the specific adaptive characteristics of the petioles, which support the lamina remain unknown. Our morphological, anatomical, and mechanical analyses on the petioles of Osmunda lancea (Osmundaceae) along the river and an inland sister species of O. japonica revealed that the petioles of O. lancea had a larger cell volume in subepidermal cortex and were more flexible than those of O. japonica.

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Section: Introductionmentioning

confidence: 99%

Rheophytic Osmunda lancea (Osmundaceae) exhibits large flexibility in the petiole

Shiba,

Fukuda

2024

Sci Rep

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“…Additionally, the first example of such responses is the reduction in plant height that usually occurs in plants exposed to wind or other MIS (Biddington, 1986). In this context, it has been shown that trees exposed to wind are shorter and more pointed, but have lower overall stiffness, although their mechanical properties are less affected by their morphology (Paul-Victor and Rowe, 2011;Shiba et al, 2023). In contrast, wheat plants are stronger and less flexible, but do not show a significant change in stem height under the influence of wind sway (Crook and Ennos, 1996).…”

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confidence: 99%

How growing conditions are influential on the agronomic attributes and fiber-related quality parameters of flax (Linum usitatissimum L.) fibers: A seismomorphogenesis approach

Koçak

2024

International Journal of Agriculture Environment and Food Sciences

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Among industrial crops, flax (Linum usitatissimum L.) is a multi-purpose crop grown for production of stem fiber and seed oil. Through longterm domestication for these purposes, cultivated flax has diversified into two main types, namely fiber and oil or linseed types, as well as an intermediate type. This study was designed to investigate the effect of flax fibers of flax varieties (Antares, Dakota and Mures) in field and greenhouse cultivation on fiber mechanical performances, morphological properties and fatty acid composition in flaxseed was investigated. Additionally, plants can change their morphology and mechanical properties when exposed to stress, as is particularly the case when plants respond to wind, a phenomenon known as seismomorphogenesis. Greenhouse plants were found to be significantly lower than field grown plants, with an increase of 16.79cm in technical stem length and 56.02cm in technical stem height. In addition, the total plant height of flax grown in the field was 59.33 cm compared to 17.32 cm in the greenhouse. The Mures variety was found to be the highest both in the field (79.50-76.10cm) and in the greenhouse (18.36-17.47cm). Considering the fatty acid percentages, the highest α-linolenic acid was found in Dakota (29.23%) and the lowest in Antares (20.53%) in the field, while the highest was found in Dakota (19.25%) and the lowest in Mures (16.13%) in the greenhouse. In addition, the highest tensile strength was found in Dakota (704.6 Mpa) and the closest Antares (692.2 Mpa) under field conditions, while the lowest was found in Dakota (198.5 Mpa) and Mures varieties (288.8 Mpa) under greenhouse conditions. In order to reduce the dimension, correlate and visualize the measured parameters, the relevant data of the study were subjected to principal component analysis and heat-map clustering.

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Impact on the scape of Farfugium japonicum var. japonicum (Asteraceae) under strong wind conditions based on morphological and mechanical analyses

Shiba,

Arihara,

Harada

et al. 2024

Front. Plant Sci.

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Adaptation of Farfugium japonicum (L.) Kitam. var. japonicum (Asteraceae) to the strong wind environment of coastal areas has been shown to reduce lamina size and shorten petioles; however, their effects on other traits of this species remain unknown. Our morphological analyses showed that shortening of the scape of this species is correlated with shortening of the petiole in coastal areas. The results suggested that when the height of the scapes became higher than that of the petioles, the wind stress on the scapes became stronger and their growth was suppressed. Therefore, the populations in coastal areas with strong winds had significantly shorter scapes than inland populations, and the height of petioles and scapes in the coastal populations were correlated. Further mechanical analysis by three-point bending tests revealed that the scapes had higher strength than the petioles. This species is evergreen and can produce new leaves regardless of the season, even if it loses its leaves by strong winds; however, because scapes only develop above ground for a limited period of the year, the loss of the scapes by strong winds has a significant impact on reproduction in that year. Therefore, even though the scapes were stronger than the petiole, shortening the scapes plays an important role in reducing strong wind stress in coastal areas.

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Effect of strong wind on laminas and petioles of Farfugium japonicum (L.) Kitam. var. japonicum (Asteraceae)

Cited by 4 publications

References 84 publications

Rheophytic Osmunda lancea (Osmundaceae) exhibits large flexibility in the petiole

Rheophytic Osmunda lancea (Osmundaceae) exhibits large flexibility in the petiole

How growing conditions are influential on the agronomic attributes and fiber-related quality parameters of flax (Linum usitatissimum L.) fibers: A seismomorphogenesis approach

Impact on the scape of Farfugium japonicum var. japonicum (Asteraceae) under strong wind conditions based on morphological and mechanical analyses

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