Effects of timing and methods of production on onion yield
2005
Milanovic, L. | Ilic, Z. (Poljoprivredni fakultet, Lesak (Serbia and Montenegro). Institut za prehrambenu tehnologiju i biohemiju), E-mail: [email protected]
Onion is a type of vegetable that is biologically and chemically rich and heighly nutritious and therefore is should be continuously present in the market. There are two methods of the onion production - using onion sets and by direct seed sowing. Hybrids shooting up and developing simultaneously were used in this study. The cultivar Kupusinski Jabucar was used for planting bulb seedlings on different dates - in autumn on October 10 and 25, and November 10, and in spring on March 10, April 10 and May 10. Then, the hybrid Aldobo F1 and the cultivar Kupusinski Jabucar were directly sown on August 25, and September 5 and 15 (in autumn), and on March 10, April 10 and May 10 (in spring). The cultivar Kupusinski Jabucar yield obtain by planting onion set on October 10 and 25, and November 10, amounted to 40.8, 26.1 and 36.6 t/ha, respectively. The corresponding yield for the spring planting (March 10, April 10 and May 10) amounted to 39.2, 39.0 and 11.0 t/ha. The following yields were obtained by direct sowing: 23.6, 24.2 and 22.2 t/ha performed on August 25 and September 5 and 25, respectively. The yields obtained in the spring sowing (March 10 and April 10) were: 18.1 and 16.7 t/ha, while onion sown on May 10 had no yield. The average yield of the hybrid Aldobo F1 amounted to 25.7, 25.9 and 13.6 t/ha for autumn sowing dates (August 25 and September 5 and 17, respectively). The following yields were obtained in spring sowing dates: 12.9 t/ha (March 15) and 10.6 t/ha (April 10), while there was no yield in both years from onion sown in May. This study offers the time management procedure and different types of production, as well as, the right time for picking up and recommends the different use of onion.
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