Ultraviolet Radiation Effect on Seed Germination and Seedling Growth of Common Species from Northeastern Mexico

Light is the only key factor essential for plant growth, and ultraviolet (UV) rays, the harmful part of solar radiation, have the ability to decrease the metabolic rate in photosynthesis, causing deterioration in their growth. Accurate handling of the ultraviolet light that reaches the crops allows...

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Bibliographic Details
Published in:Agronomy (Basel) 2019-05, Vol.9 (6), p.269
Main Authors: Foroughbakhch Pournavab, Rahim, Bacópulos Mejía, Elly, Benavides Mendoza, Adalberto, Salas Cruz, Lidia, Ngangyo Heya, Maginot
Format: Article
Language:English
Subjects:
Accelerated aging tests
Aging
Crops
Germination
Helianthus annuus
Humidity
Metabolic rate
Pest control
Pests
Photosynthesis
Physiology
Plant growth
Plant species
Seed germination
seedling vigor
Seedlings
Seeds
Sensitivity
Solar radiation
Soybeans
Species
Ultraviolet radiation
Wheat
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Summary:Light is the only key factor essential for plant growth, and ultraviolet (UV) rays, the harmful part of solar radiation, have the ability to decrease the metabolic rate in photosynthesis, causing deterioration in their growth. Accurate handling of the ultraviolet light that reaches the crops allows the improvement of different aspects of production, such as the shape and color of the plants, the precocity of the crops, and an improvement in the control of pests and diseases. The present study was carried out with the purpose of studying the responses in terms of germination and growth of four plant species—Glycine max, Triticum aestivum, Helianthus annuus, and Pinus maximartinezii—exposed to different doses of UV-C and UV-B radiation, for evaluation through the standard germination and accelerated aging tests, registering the germination rate (GR) and vigor (V), the number of normal seedlings (NS), and the average lengths of radicle (ALR) and plumule (ALP). Seeds treated with UV-C radiation showed a significant difference (p
ISSN:2073-4395
2073-4395
DOI:10.3390/agronomy9060269