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Agriculture
Volume 14
Issue 7
10.3390/agriculture14071116
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Article

The Effect of Drought on Agronomic and Plant Physiological Characteristics of Cocksfoot (Dactylis glomerata L.) Cultivars

by
Lukas Gaier
*,
Erich M. Poetsch
,
Wilhelm Graiss
,
Andreas Klingler
,
Markus Herndl
and
Bernhard Krautzer
Agricultural Research and Education Centre (AREC) Raumberg-Gumpenstein, 8952 Irdning-Donnersbachtal, Austria
*
Author to whom correspondence should be addressed.
Agriculture 2024, 14(7), 1116; https://doi.org/10.3390/agriculture14071116
Submission received: 11 June 2024 / Revised: 2 July 2024 / Accepted: 8 July 2024 / Published: 10 July 2024
(This article belongs to the Special Issue Responses and Tolerance to Abiotic Stress in Forage and Turf Grasses)
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Abstract

Cocksfoot (Dactylis glomerata L.) is becoming increasingly important for grassland farming due to climate change, which alters precipitation and increases droughts. Although it is generally considered to be drought-tolerant, little is known about the differences between cultivars. This study aimed to investigate the effects of four different field capacity (FC) levels (80%, 60%, 40%, and rewetting to 80% after a period of 40% FC) on the yield, crude protein content, water consumption, water use efficiency (WUE), and drought susceptibility index of five European cocksfoot cultivars (cv). A pot experiment was conducted in a greenhouse subjected to the specified irrigation treatments over three growth periods. The results revealed significant differences in the cultivars’ responses to the irrigation treatments. Dry matter yield decreased under simulated drought conditions, while crude protein content and WUE increased. Prolana cv achieved the highest yield under drought conditions, Tandem cv had the highest WUE, and Laban cv exhibited the highest crude protein content. Rewetting to 80% FC in the last growth period resulted in similar dry matter and crude protein yields for all cultivars compared to full irrigation. These findings highlight the importance of selecting and breeding drought-tolerant cocksfoot cultivars to maintain high yields and quality in perennial grassland farming under future climate conditions.
Keywords: climate change; cultivar effects; grassland farming; forage yield; forage quality; water use efficiency climate change; cultivar effects; grassland farming; forage yield; forage quality; water use efficiency

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MDPI and ACS Style

Gaier, L.; Poetsch, E.M.; Graiss, W.; Klingler, A.; Herndl, M.; Krautzer, B. The Effect of Drought on Agronomic and Plant Physiological Characteristics of Cocksfoot (Dactylis glomerata L.) Cultivars. Agriculture 2024, 14, 1116. https://doi.org/10.3390/agriculture14071116

AMA Style

Gaier L, Poetsch EM, Graiss W, Klingler A, Herndl M, Krautzer B. The Effect of Drought on Agronomic and Plant Physiological Characteristics of Cocksfoot (Dactylis glomerata L.) Cultivars. Agriculture. 2024; 14(7):1116. https://doi.org/10.3390/agriculture14071116

Chicago/Turabian Style

Gaier, Lukas, Erich M. Poetsch, Wilhelm Graiss, Andreas Klingler, Markus Herndl, and Bernhard Krautzer. 2024. "The Effect of Drought on Agronomic and Plant Physiological Characteristics of Cocksfoot (Dactylis glomerata L.) Cultivars" Agriculture 14, no. 7: 1116. https://doi.org/10.3390/agriculture14071116

APA Style

Gaier, L., Poetsch, E. M., Graiss, W., Klingler, A., Herndl, M., & Krautzer, B. (2024). The Effect of Drought on Agronomic and Plant Physiological Characteristics of Cocksfoot (Dactylis glomerata L.) Cultivars. Agriculture, 14(7), 1116. https://doi.org/10.3390/agriculture14071116

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