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The influence of row spacing on seed yield, yield components and seed quality of Alfalfa

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Research Paper 01/04/2016
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The influence of row spacing on seed yield, yield components and seed quality of Alfalfa

Dragoljub Beković, Milan Biberdžić, Rade Stanisavljević, Slaviša Stojković, Aleksandar Vuković
Int. J. Agron. Agri. Res.8( 4), 87-92, April 2016.
Certificate: IJAAR 2016 [Generate Certificate]
Key: AlfalfaRow spacingSeed qualitySeed yieldYield components

Abstract

In order to determine the influence row spacing has on yield, yield components and the quality of alfalfa in agro-ecological conditions of south Serbia, a three year long research has been conducted, testing the NS Novosadjanka H-11 cultivar of alfalfa. The average seed yield of alfalfa was highest at a row spacing of 40 cm (311.03 kg ha-1), followed by row spacings of 20 cm (286.48 kg ha-1) and 60 cm (264.83 kg ha-1). The highest and lowest number of inflorescences per stem were obtained in rows spaced 60 cm (14.39 inflorescences/stem) and 20 cm apart (9.94 inflorescences/stem), respectively. The widest row spacing of 60 cm (8.14 pods/inflorescence) resulted in the highest number of pods per inflorescence, whereas the lowest number was produced at 20 cm spacing (5.96 pods/inflorescence). Grain number per pod ranged from 3.64 (at 20 cm row spacing) to 4.18 (at 60 cm). The highest quality of alfalfa seed during the three years of research was obtained at the widest row spacing (60 cm). Thousand-seed weight was highest at 60 cm and lowest at 20 cm (2.05 g and 1.99 g, respectively). The highest average values for seed germination rate were reported for 60 cm row spacing (86.92%) and the lowest for 20 cm row spacing (83.83 %).

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