The effect of sowing rate on grain yield and malting quality in spring barley

Alicja Pecio

iung@iung.pulawy.pl
Instytut Uprawy Nawożenia i Gleboznawstwa, Puławy (Poland)

Andrzej Bichoński


Instytut Hodowli i Aklimatyzacji Roślin w Krakowie (Poland)

Abstract

A significant relationship between a sowing rate of spring barley and grain yield and protein content was found. The increase of grain yield with increasing a sowing rate up to 4.1 and 4 million seeds per 1 ha in barley line BKH 2794 and cv. Rudzik, respectively, was mainly due to the greater number of spikes. However, when a sowing rate for cv. Rudzik was increased to 5 million seeds per ha, grain yield declined. This effect was because of a comparatively smaller number of grains per spike as well as a lower weight of 1000 grains. The increase of canopy density resulted in the diminished plant productive tillering, followed by changes in canopy architecture, shown in the reduced number of short tillers, producing small grains of high protein content. The malting quality parameters depended on the weather conditions in the years of investigations, but the essential effects of sowing density were similar. High density resulted in the declined weight of 1000 grains and protein content of grain. In contrast, it caused the enhancement of wort viscosity and fermentability.


Keywords:

grain yield, malting quality, sowing rate, spring barley

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Published
2003-12-31

Cited by

Pecio, A. and Bichoński, A. (2003) “The effect of sowing rate on grain yield and malting quality in spring barley”, Bulletin of Plant Breeding and Acclimatization Institute, (230), pp. 295–303. doi: 10.37317/biul-2003-0031.

Authors

Alicja Pecio 
iung@iung.pulawy.pl
Instytut Uprawy Nawożenia i Gleboznawstwa, Puławy Poland

Authors

Andrzej Bichoński 

Instytut Hodowli i Aklimatyzacji Roślin w Krakowie Poland

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Copyright (c) 2003 Alicja Pecio, Andrzej Bichoński

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