Seed Yield and Lodging Assessment in Red Fescue (Festuca rubra L.) Sprayed with Trinexapac-Ethyl

Research output: Contribution to journal › Journal article › Research › peer-review

Standard

Seed Yield and Lodging Assessment in Red Fescue (Festuca rubra L.) Sprayed with Trinexapac-Ethyl. / Bitarafan, Zahra; Rasmussen, Jesper; Westergaard, Jesper Cairo; Andreasen, Christian.

In: Agronomy, Vol. 9, No. 10, 617, 07.10.2019, p. 1-9.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Bitarafan, Z, Rasmussen, J, Westergaard, JC & Andreasen, C 2019, 'Seed Yield and Lodging Assessment in Red Fescue (Festuca rubra L.) Sprayed with Trinexapac-Ethyl', Agronomy, vol. 9, no. 10, 617, pp. 1-9. https://doi.org/10.3390/agronomy9100617

APA

Bitarafan, Z., Rasmussen, J., Westergaard, J. C., & Andreasen, C. (2019). Seed Yield and Lodging Assessment in Red Fescue (Festuca rubra L.) Sprayed with Trinexapac-Ethyl. Agronomy, 9(10), 1-9. [617]. https://doi.org/10.3390/agronomy9100617

Vancouver

Bitarafan Z, Rasmussen J, Westergaard JC, Andreasen C. Seed Yield and Lodging Assessment in Red Fescue (Festuca rubra L.) Sprayed with Trinexapac-Ethyl. Agronomy. 2019 Oct 7;9(10):1-9. 617. https://doi.org/10.3390/agronomy9100617

Author

Bitarafan, Zahra ; Rasmussen, Jesper ; Westergaard, Jesper Cairo ; Andreasen, Christian. / Seed Yield and Lodging Assessment in Red Fescue (Festuca rubra L.) Sprayed with Trinexapac-Ethyl. In: Agronomy. 2019 ; Vol. 9, No. 10. pp. 1-9.

Bibtex

@article{7ec52337fccc4bb994df7d4c0cd27a04,
title = "Seed Yield and Lodging Assessment in Red Fescue (Festuca rubra L.) Sprayed with Trinexapac-Ethyl",
abstract = "Red fescue (Festuca rubra) is used in seed mixtures for lawns and pastures. It is prone to lodge at flowering, and plant growth regulators (PGRs) are used to prevent lodging, ensuring sufficient pollination. Seed yield and lodging were studied over three years in a red fescue field established with four seeding rates (2, 4, 6 and 8 kg ha−1) and sprayed each year with three doses of the PGR trinexapac-ethyl (250 g L−1) (0, 0.3, 0.6 and 1.2 L ha−1). Half of each plot was sprayed with the PGR and the other half was left unsprayed as control. The degree of lodging was assessed by analysing drone images in the second year of the experiment and using a 10-point scale for scoring lodging at the ground. Generally, application of PGR increased the seed yield but the effect varied between years. There was no interaction between the PGR dosage and seeding rate. We found a positive correlation between the blue intensity of the images and lodging. PGR dosage significantly affected lodging evaluated by visual ranking and the blue intensity of the images, while the seeding rates did not affect lodging. Lodging affected seed yield negatively.",
author = "Zahra Bitarafan and Jesper Rasmussen and Westergaard, {Jesper Cairo} and Christian Andreasen",
year = "2019",
month = oct,
day = "7",
doi = "10.3390/agronomy9100617",
language = "English",
volume = "9",
pages = "1--9",
journal = "Agronomy",
issn = "2073-4395",
publisher = "M D P I AG",
number = "10",

}

RIS

TY - JOUR

T1 - Seed Yield and Lodging Assessment in Red Fescue (Festuca rubra L.) Sprayed with Trinexapac-Ethyl

AU - Bitarafan, Zahra

AU - Rasmussen, Jesper

AU - Westergaard, Jesper Cairo

AU - Andreasen, Christian

PY - 2019/10/7

Y1 - 2019/10/7

N2 - Red fescue (Festuca rubra) is used in seed mixtures for lawns and pastures. It is prone to lodge at flowering, and plant growth regulators (PGRs) are used to prevent lodging, ensuring sufficient pollination. Seed yield and lodging were studied over three years in a red fescue field established with four seeding rates (2, 4, 6 and 8 kg ha−1) and sprayed each year with three doses of the PGR trinexapac-ethyl (250 g L−1) (0, 0.3, 0.6 and 1.2 L ha−1). Half of each plot was sprayed with the PGR and the other half was left unsprayed as control. The degree of lodging was assessed by analysing drone images in the second year of the experiment and using a 10-point scale for scoring lodging at the ground. Generally, application of PGR increased the seed yield but the effect varied between years. There was no interaction between the PGR dosage and seeding rate. We found a positive correlation between the blue intensity of the images and lodging. PGR dosage significantly affected lodging evaluated by visual ranking and the blue intensity of the images, while the seeding rates did not affect lodging. Lodging affected seed yield negatively.

AB - Red fescue (Festuca rubra) is used in seed mixtures for lawns and pastures. It is prone to lodge at flowering, and plant growth regulators (PGRs) are used to prevent lodging, ensuring sufficient pollination. Seed yield and lodging were studied over three years in a red fescue field established with four seeding rates (2, 4, 6 and 8 kg ha−1) and sprayed each year with three doses of the PGR trinexapac-ethyl (250 g L−1) (0, 0.3, 0.6 and 1.2 L ha−1). Half of each plot was sprayed with the PGR and the other half was left unsprayed as control. The degree of lodging was assessed by analysing drone images in the second year of the experiment and using a 10-point scale for scoring lodging at the ground. Generally, application of PGR increased the seed yield but the effect varied between years. There was no interaction between the PGR dosage and seeding rate. We found a positive correlation between the blue intensity of the images and lodging. PGR dosage significantly affected lodging evaluated by visual ranking and the blue intensity of the images, while the seeding rates did not affect lodging. Lodging affected seed yield negatively.

U2 - 10.3390/agronomy9100617

DO - 10.3390/agronomy9100617

M3 - Journal article

VL - 9

SP - 1

EP - 9

JO - Agronomy

JF - Agronomy

SN - 2073-4395

IS - 10

M1 - 617

ER -

ID: 228414220