Yield and yield components of alfalfa seed as affected by the sowing system employed
2008
Bekovic, D., Faculty of Agriculture, Zubin Potok (Serbia) | Stevovic, V., Faculty of Agronomy, Cacak (Serbia) | Stanisavljevic, R., Forage Research Institute, Krusevac (Serbia) | Stojkovic, S., Faculty of Agriculture, Zubin Potok (Serbia)
Investigations of the seed yield and yield components of alfalfa cv. NS Slavija were conducted under agroenvironmental conditions in the region of Nis (Serbia) on alluvial soil. An analysis was made of three year research results obtained by alfalfa cultivation at inter-row spacings of 20 cm, 40 cm, and 60 cm. Under changeable climatic conditions in the above region, an average seed yield of 287.4 kg/ha was obtained, the highest and the lowest yields being produced at inter-row spacings of 40 cm (311 kg/ha) and 60 cm (264.8 kg/ha), respectively. Seed yield was substantially affected by weather conditions. The sowing system employing the inter-row spacing of 60 cm gave the highest number of inflorescences/stem, pods/inflorescence, and seed/pod, the one using the 20 cm spacing producing the lowest numbers. Seed yield components were also greatly affected by weather conditions that induced considerable differences over the three-year research period. A significant positive correlation was found between the yield components and seed yield.
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