Cinnamon yam yield as affected by growing system (CROSBI ID 186802)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Novak, Bruno ; Benko, Božidar ; Fabek, Sanja ; Toth, Nina ; Žutić, Ivanka ; Borošić, Josip
engleski
Cinnamon yam yield as affected by growing system
Global climate changes have enabled the expansion of tropical and subtropical crop cultivation in areas with a moderate climate. The aim of the study was to determine the possibility of cinnamon yam (Dioscorea oppositifolia L.) production, using three growing systems. Seedlings were grown in a heated greenhouse and planted to the open field in the first week of May. Conventional technology, which involves free development of tubers in the soil, was used as a control. The other treatments were planting in channels buried in the soil at the angle of 25° and in vertical peat-filled basins placed at the soil surface. Depending on the applied growing system, plant density was between 5.5 plants per m2 in conventional technology and 9 plants per m2 in vertical basins. Developed tubers were significantly different in length, which ranged from 0.36 m in conventional technology to 0.95 m in vertical basins. The greatest diameter of basal part (8.6 mm) was observed with the tubers grown in the channels and was significantly greater than the others. Tubers with the lowest weight (149.7 g) were produced by the conventional method, while the highest tuber weight (225.1 g) was achieved in vertical basins. Tubers grown in the vertical basins had similar weight, with less variability as shown by standard deviation value (19.5 compared to 41.5 and 58.6 for the control and channels). The highest yield (2.03 kg•m-2) was achieved in the vertical basins and was significantly higher than yields gained by other technologies. Beside plant density, which is higher than at the other growing systems, the higher tuber mass and length contributed to achieving the highest yield in vertical basins.
Dioscorea oppositifolia L.; growing technology; agronomic traits
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