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Journal of Central European Agriculture, Vol. 21 No. 1, 2020.

Short communication, Note

https://doi.org/10.5513/JCEA01/21.1.2748

Changes in seed yield and quality resulting from lodging in Italian ryegrass crop

Zlatko Svečanjak orcid id orcid.org/0000-0001-5110-3921 ; Department of Field Crops, Forage and Grassland, University of Zagreb, Faculty of Agriculture, Svetošimunska cesta 25, 10000 Zagreb, Croatia
Dario Jareš ; Department of Field Crops, Forage and Grassland, University of Zagreb, Faculty of Agriculture, Svetošimunska cesta 25, 10000 Zagreb, Croatia
Martina Kovačević ; Department of Field Crops, Forage and Grassland, University of Zagreb, Faculty of Agriculture, Svetošimunska cesta 25, 10000 Zagreb, Croatia
Klara Barić ; Department of Herbology, University of Zagreb, Faculty of Agriculture, Svetošimunska cesta 25, 10000 Zagreb, Croatia
Tomislav Ivanušić ; Bc Institute for breeding and production of field crops, Dugoselska 7, 10370 Rugvica, Dugo Selo, Croatia
Dubravko Maćešić ; Department of Field Crops, Forage and Grassland, University of Zagreb, Faculty of Agriculture, Svetošimunska cesta 25, 10000 Zagreb, Croatia
Dubravka Dujmović Purgar ; Department of Agricultural Botany, University of Zagreb, Faculty of Agriculture, Svetošimunska 25, 10000 Zagreb, Croatia

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Abstract

Rainfall accompanied with winds favour lodging of Italian ryegrass (Lolium multiflorum Lam.). Thus, the main objective was to determine the changes in seed yield and quality resulting from lodging of Italian ryegrass crop grown under various nitrogen (N) fertilization rates. Nitrogen fertilization consistently increased lodging score and seed moisture content at harvest. The onset of considerable lodging (>50%) was observed before crop heading at the highest N fertilization, while delayed lodging occurred at lower N fertilization rates. Seed yield decreased at the highest N rate. In spite of increased lodging score, the 1000-seed weight tended to increase with higher N fertilization rates, which was not found for seed germination.

Keywords

1000-seed weight; moisture content; nitrogen; seed germination

Hrčak ID:

236476

URI

https://hrcak.srce.hr/236476

Publication date:

30.3.2020.

Article data in other languages: croatian

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