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Erschienen in:

01.09.2022 | Original Article / Originalbeitrag

Radiation Interception and Radiation Use Efficiency Response to Intraspecific Competition in Barley (Hordeum vulgare) Cultivars

verfasst von: Mohammad Saleh Ravan, Ali Rahemi Karizaki, Abbas Biabani, Ali Nakhzari Moghaddam, Ebrahim Gholamali Pour Alamdari

Erschienen in: Journal of Crop Health | Ausgabe 3/2023

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Abstract

Light extinction coefficient (KPAR) and radiation use efficiency (RUE) may be influenced by environmental and genetic conditions. In order to study the effect of seed density on the trend of changes in KPAR and RUE in barley cultivars, a factorial experiment was done in a randomized complete block design with four replications in the Gonbad Kavous University field during 2016–2017 and 2017–2018 in rainfed conditions, Gonbad Kavous, Iran. The first factor was seed density at four levels (200, 300, 400, and 500 seeds/m2) and the second factor was barley cultivar (Fardan, Khorram, Mahoor, and Sahra). KPAR decreased from 0.63 to 0.47 with increasing seeds per m2. RUE values for the first and the second growing seasons were in the range of 1.73 to 2.35 and 0.84 to 1.22 g/MJ, respectively. The results showed that that environmental conditions and crop management (sowing density) can affect RUE and KPAR.

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Metadaten
Titel
Radiation Interception and Radiation Use Efficiency Response to Intraspecific Competition in Barley (Hordeum vulgare) Cultivars
verfasst von
Mohammad Saleh Ravan
Ali Rahemi Karizaki
Abbas Biabani
Ali Nakhzari Moghaddam
Ebrahim Gholamali Pour Alamdari
Publikationsdatum
01.09.2022
Verlag
Springer Berlin Heidelberg
Erschienen in
Journal of Crop Health / Ausgabe 3/2023
Print ISSN: 2948-264X
Elektronische ISSN: 2948-2658
DOI
https://doi.org/10.1007/s10343-022-00708-0

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