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Article

The Effect of Monochromatic LED Light Wavelengths and Photoperiods on Botrytis cinerea

1
Laboratory of Plant Protection, Institute of Horticulture, Lithuanian Research Centre for Agriculture and Forestry, Kauno St. 30, LT-54333 Babtai, Kaunas Dist., Lithuania
2
Laboratory of Plant Physiology, Institute of Horticulture, Lithuanian Research Centre for Agriculture and Forestry, Kauno St. 30, LT-54333 Babtai, Kaunas Dist., Lithuania
*
Author to whom correspondence should be addressed.
Academic Editors: Ofir Degani and Leire Molinero-Ruiz
J. Fungi 2021, 7(11), 970; https://doi.org/10.3390/jof7110970
Received: 29 October 2021 / Revised: 14 November 2021 / Accepted: 15 November 2021 / Published: 16 November 2021
Botrytis cinerea is a ubiquitous necrotrophic pathogen causing grey mould in economically important crops. Light effect in horticulture is undeniable and fungi also react to light. Selected specific light-emitting diodes (LEDs) and photoperiods can be used for fungal pathogen inhibition. This study aimed to evaluate how LED light wavelengths and photoperiods affect the growth parameters of B. cinerea. The morphological (mycelium appearance, sclerotia distribution) and phenotypic (conidia presence and size, mycelium growth rate, recovery) characteristics of the fungal pathogen B. cinerea were evaluated under royal blue 455 nm, blue 470 nm, cyan 505 nm, yellow 590 nm, and red 627 nm LED lights at various photoperiods (4, 8, 12, 16, 20, 24 h). The results revealed that the light conditions and photoperiods influenced the B. cinerea morphological and phenotypic characteristics. Overall, the highest B. cinerea inhibition was under yellow (590 nm) LED light at 4 and 8 h photoperiods. Conidia did not form under blue 455 nm at 8, 16, 20, and 24 h photoperiods. Therefore, it can be assumed that the phenotypic and morphological features of B. cinerea depend on the specific photoperiod and LED light wavelength. The results allowed an exploration of original research approaches, raised new scientific questions for further investigation, and suggested new green plant protection solutions. View Full-Text
Keywords: inhibition; light-emitting diode; mycelium; pathogen; recovery inhibition; light-emitting diode; mycelium; pathogen; recovery
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MDPI and ACS Style

Rasiukevičiūtė, N.; Brazaitytė, A.; Vaštakaitė-Kairienė, V.; Kupčinskienė, A.; Duchovskis, P.; Samuolienė, G.; Valiuškaitė, A. The Effect of Monochromatic LED Light Wavelengths and Photoperiods on Botrytis cinerea. J. Fungi 2021, 7, 970. https://doi.org/10.3390/jof7110970

AMA Style

Rasiukevičiūtė N, Brazaitytė A, Vaštakaitė-Kairienė V, Kupčinskienė A, Duchovskis P, Samuolienė G, Valiuškaitė A. The Effect of Monochromatic LED Light Wavelengths and Photoperiods on Botrytis cinerea. Journal of Fungi. 2021; 7(11):970. https://doi.org/10.3390/jof7110970

Chicago/Turabian Style

Rasiukevičiūtė, Neringa, Aušra Brazaitytė, Viktorija Vaštakaitė-Kairienė, Asta Kupčinskienė, Pavelas Duchovskis, Giedrė Samuolienė, and Alma Valiuškaitė. 2021. "The Effect of Monochromatic LED Light Wavelengths and Photoperiods on Botrytis cinerea" Journal of Fungi 7, no. 11: 970. https://doi.org/10.3390/jof7110970

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