| Abstract | Cilj rada je bio proučiti utjecaj metode navodnjavanja i gustoće sadnje na prinos i komponente prinosa luka (zelena nadzemna masa, broj listova, visina listova, masa glavice, promjer glavice, visina glavice, masa korijenčića i duljina korijenčića). Istraživanje je provedeno u plasteniku, u Matinoj (Žepče, Bosna i Hercegovina), u razdoblju od 02. listopada 2020. godine do 01. travnja 2021. godine, kao dvočimbenični pokus, metodom slučajnog blok rasporeda, u tri ponavljanja. Čimbenik a je bila metoda navodnjavanja: ručno navodnjavanje (a1) te navodnjavanje sustavom „kap po kap“ (a2). Norma navodnjavanja na oba tretmana bila je 120 l/m2. Čimbenik b u istraživanju je bila gustoću sadnje luka: 25 cm na b1 i 20 cm na b2 tretmanu. Razmak između redova je bio 30 cm na svim tretmanima. Na tretmanu b1 ukupno je posađeno 15 biljaka/m2, dok je na tretmanu b2 posađeno 18 biljaka/m2. Prinos luka na a2 tretmanu je bio za 0,8 % manji u odnosu na a1 tretman. Što se tiče razmaka sadnje, na b2 tretmanu je prinos luka bio za 4,3 % viši u odnosu na b1 tretman. U prosjeku je najviši prinos ostvaren na a2b2 tretmanu, 1,24 kg m2. Tretman navodnjavanja je značajno (p<0,01) utjecao na zelenu nadzemnu masu (a1 = 330,1 g, a2 = 294,2 g), visinu glavice luka (a1 = 8,9 cm, a2 = 9,6 cm, p<0,05) te masu korijenčića luka (a1 = 8,8 g, a2 = 11 g, p<0,05). Zabilježene su statistički značajne (p<0,05) razlike u odnosu na razmak sadnje luka. Veći broj listova (b1 = 13,7, b2 = 11,6), masa glavice (b1 = 226,3 g, b2 = 200,6 g), masa korijenčića (b1 = 11,4 g, b2 = 8,4 g) te promjer glavice (b1 = 7,3 cm, b2 = 6,8 cm) je izmjeren na b1 tretmanu (25 cm razmak sadnje). Vrlo značajno (p<0,01) veća duljina korijena je izmjerena na b1 tretmanu (b1 = 18,8 cm, b2 = 16,1 cm). |
| Abstract (english) | The goal was to study the impact of irrigation method and planting space on yield and yield components of onion (aboveground weight, leaf number, leaf height, bulb weight, bulb diameter, bulb height, root length and root weight). Study was conducted in greenhouse (Matina, Žepče, Bosnia and Herzegovina) in period from 2nd October 2020 to 1st April 2021 as two factor study in three replicates. Study factor a was irrigation method: a1 = irrigation by hand, a2 = dripping system. Net irrigation was 120 L/m2 on both irrigation treatments. Study factor b was planting space: b1 = 25 cm, b2 = 20 cm. Inter-row spacing was 30 cm. Onion yield on a2 irrigation treatment was for 0.8% lower compared to a1 treatment. As for planting space, the onion yield on b2 treatment was for 4.3% higher compared to b1. In average, the highest yield was obtained on a2b2 treatment, 1.24 k m2. Significant (p<0.01) impact of irrigation treatment was recorded for aboveground mass (a1=330.1 g, a2=294.2 g), bulb height (a1=8.9 cm, a2=9.6 cm, p<0.05) and root weight (a1=8.8 g, a2 = 11 g, p<0.05). Significant differences among plating space was recorded for leaf number (b1=13.7, b2=11.6), bulb weight (b1=226.3 g, b2=200.6 g), root weight (b1=11.4 g, b2=8.4 g) and bulb diameter (b1=7.3 cm, b2=6.8 cm), and root length (b1=18.8 cm, b2=16.1 cm), whereby the maximum values are recorded on b1 (25 cm) treatment. |
