Effect of different soil tillage and organic fertilizers on winter triticale and spring barley stem base diseases |
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| Authors: | Dalia Janusauskaite Steponas Ciuberkis |
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| Institution: | 1. Institute of Agriculture, Lithuanian Research Centre of Agriculture and Forestry, Akademija Lt-58344, Kedainiai District, Lithuania;2. Vezaiciai Branch of the Lithuanian Research Centre of Agriculture and Forestry, Gargzdu 29, Vezaiciai LT-96216, Klaipeda District, Lithuania |
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| Abstract: | Multi-factor crop management field experiments were conducted in Vezaiciai, in southwestern Lithuania, from 2004 to 2006 to assess the influence of tillage and organic fertilizer management on stem base disease development. The treatments included 4-year crop rotations of continuous grass, winter triticale, winter oilseed rape and spring barley in combination with three tillage systems (shallow (8–10 cm) non-ploughing tillage, shallow (10–12 cm) tillage and deep (20–25 cm) ploughing). Eyespot prevailed both in winter triticale and spring barley crops. Winter triticale was more susceptible than spring barley. Shallow tillage decreased eyespot incidence and severity relative to deep tillage. Crop residue management exerted a weak but statistically significant effect on the disease development on triticale; in general, slightly higher numbers of affected stems were recorded in triticale plots where the straw from the previous crop had been removed prior to planting. However, complete straw removal from plots significantly decreased eyespot severity in comparison with crop residue or manure management treatments in spring barley. The highest number of affected triticale and barley plants was found in shallow (10–12 cm) tillage plots. The effects of residue management on minimising eyespot severity can be expected only after a delay of a few years. |
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| Keywords: | Triticale Barley Root diseases Tillage Plant residue Straw Manure |
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