Productivity of Italian Ryegrass grown for seed under competition with Galium aparine | Produktivnost semenskog useva italijanskog ljulja u uslovima kompeticije sa Galium aparine L.
2008
Simic, A., Poljoprivredni fakultet, Beograd - Zemun (Serbia) | Bozic, D., Poljoprivredni fakultet, Beograd - Zemun (Serbia) | Vrbnicanin, S., Poljoprivredni fakultet, Beograd - Zemun (Serbia) | Vuckovic, S., Poljoprivredni fakultet, Beograd - Zemun (Serbia) | Kresovic, M., Poljoprivredni fakultet, Beograd - Zemun (Serbia)
Italian ryegrass cv. Tetraflorum sown at different inter-row spacings and seeding rates was examined under agroecological conditions of Macva (Serbia). The study tested a hypothesis that Galium aparine growing in Italian ryegrass seed fields reduced the growth of established species and consequently decreases seed yield. Four established methods were tested: narrow and broad row spacings (20 and 60 cm) in combination with low and high seeding rates (5 and 20 kg/ha). Control treatments were sprayed with the herbicide Starane-250 (1 l/ha) to eradicate Galium aparine. Italian ryegrass was affected by G. aparine in three of the four cultivation methods. In this experiment, seed yield reached 973 kg/ha in control treatments and 956 kg/ha in the presence of Galium aparine. Italian ryegrass straw yield was in linear correlation with seed yield.
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