Effects of a 3-year reduced tillage on the yield and quality of grain and weed infestation of spring triticale (Triticosecale Wittmack)

Document Type : Research Paper

Authors

1 Department of Herbology and Plant Cultivation Techniques, University of Life Sciences in Lublin, Poland.

2 Department of Botany, Ukrainian National Forestry University, 79057 Lviv, Ukraine.

Abstract

This study was aimed at analyzing the yield, grain quality and weed infestation of
spring triticale sown in 3 tillage systems: a) conventional tillage (CT)-shallow
ploughing and harrowing after harvest of the previous crop, ploughing in the autumn;
b) reduced tillage (RT)-only cultivator after harvest of the previous crop, and c)
no-tillage (NT)-only glyphosate (360 g L-1) after harvest of the previous crop. Depth
of tillage varied according to intended purpose with shallow ploughing at a depth of
10-12 cm, autumn ploughing at a depth of 25-30 cm and cultivator tillage at a depth
of 10-15 cm. The yield of spring triticale of ‘Legalo’ cultivar sown in the CT was
higher than grain yields from RT and NT systems. The lower productivity of triticale
in the NT and RT systems, compared to the CT system, resulted from a reduced
number of spikes as well as a lower weight and number of grains from spike. Grain
of triticale harvested from CT plots was characterized by a higher content of starch
and by lower contents of protein and crude fiber than the grain from the RT and NT
systems. The RT and NT systems significantly increased the number and air-dry
weight of weeds in triticale crop, compared to the CT system.
Keywords: Spring triticale; Grain quality; Grain yield; Weeds; Tillage systems.
International Journal of Plant Production
Volume 8, Issue 2 - Serial Number 2
February 2014
Pages 231-242

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