气候变化领域集成服务门户(CCPortal): Fluctuations in Radiation Use Efficiency Throughout the Growth Cycle in Diploid Potato Crop

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DOI	10.1007/s12230-023-09938-y
	Fluctuations in Radiation Use Efficiency Throughout the Growth Cycle in Diploid Potato Crop
	Saldana-Villota, Tatiana M.; Cotes-Torres, Jose Miguel
发表日期	2024
ISSN	1099-209X
EISSN	1874-9380
起始页码	101
结束页码	2
卷号	101 期号:2
英文摘要	The capture of incoming solar radiation under unlimited light, water, and nutrient conditions by plant canopies and converting it into biomass has been described as radiation use efficiency (RUE). RUE has been computed as a function of biomass accumulation and intercepted photosynthetically active radiation without considering the loss of photoassimilates due to respiratory processes. This study evaluated the RUE in diploid potato crop (Solanum phureja Juz. et Buk.) across six experiments in Colombia. Total biomass was measured during the crop season from the early vegetative stage through maturity. However, this proposal involves not only the total biomass accumulated concerning the amount of photosynthetically active radiation intercepted but also took into account the losses by respiration, following Thornley respiration approach. This research demonstrates that the RUE is not a constant value as the respiration process leads to RUE values being variable in a non-linear way over time. The daily RUE simulation, conducted through an interpolation process, revealed significant variation from emergence to the end of the cycle. This indicates an error in assuming a constant RUE throughout the entire growth period, particularly in assessing its physiological impact across the entire growth and development crop cycle. La captura de la radiacion solar incidente por el follaje de las plantas y su conversion en biomasa en condiciones ilimitadas de luz, agua y nutrientes se ha descrito como eficiencia en el uso de la radiacion (RUE). El valor de RUE se ha calculado en funcion de la acumulacion de biomasa y de la radiacion fotosinteticamente activa interceptada sin considerar la perdida de fotoasimilados debido a procesos respiratorios. Este estudio evaluo el RUE en el cultivo de papa diploide (Solanum phureja Juz. et Buk.) a traves de seis experimentos en Colombia. La biomasa total se midio durante el ciclo de cultivo, desde la etapa vegetativa temprana hasta la madurez. Sin embargo, esta propuesta no solo involucra a la biomasa total acumulada en relacion con la cantidad de radiacion fotosinteticamente activa interceptada, sino que tambien tuvo en cuenta las perdidas por respiracion, siguiendo el modelo de respiracion de Thornley. Esta investigacion demuestra que el RUE no es un valor constante, ya que el proceso de respiracion hace que los valores de RUE sean variables de forma no lineal a lo largo del tiempo. La simulacion diaria de RUE, realizada a traves de un proceso de interpolacion, revelo una variacion significativa desde la emergencia hasta el final del ciclo. Esto sugiere un error al suponer un RUE constante a lo largo de todo el periodo de crecimiento, particularmente en la evaluacion de su impacto fisiologico a lo largo de todo el ciclo de cultivo.
英文关键词	RUE; Radiation interception; Respiration; Biomass accumulation
语种	英语
WOS研究方向	Agriculture
WOS类目	Agronomy
WOS记录号	WOS:001194809400002
来源期刊	AMERICAN JOURNAL OF POTATO RESEARCH
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/306471
作者单位	Universidad Nacional de Colombia
推荐引用方式 GB/T 7714	Saldana-Villota, Tatiana M.,Cotes-Torres, Jose Miguel. Fluctuations in Radiation Use Efficiency Throughout the Growth Cycle in Diploid Potato Crop[J],2024,101(2).
APA	Saldana-Villota, Tatiana M.,&Cotes-Torres, Jose Miguel.(2024).Fluctuations in Radiation Use Efficiency Throughout the Growth Cycle in Diploid Potato Crop.AMERICAN JOURNAL OF POTATO RESEARCH,101(2).
MLA	Saldana-Villota, Tatiana M.,et al."Fluctuations in Radiation Use Efficiency Throughout the Growth Cycle in Diploid Potato Crop".AMERICAN JOURNAL OF POTATO RESEARCH 101.2(2024).