Performance of NS sunflower hybrids in Romania

Abstract

Performance of 25 new sunflower hybrids at three locations in Romania were estimated using AMMI model. Seed yield per plot were recorded on plants in middle rows to avoid edge effect. The most productive hybrid was NS-6 (4.31 t/ha), while the least productive was NS-13 (2.80 t/ha). The highest yield was obtained by hybrid NS-24 in location Valul lui Traian with seed yield of 5.03 t/ha, while the lowest seed yield was 1.43 t/ha obtained by hybrid NS-13 in location Dalga. AMMI analysis showed that variations in seed yield were mostly due to additive effects, genotype (32.45%) and environment (41.62%), but interaction effect (25.92%) was also not negligible. The most productive hybrids with high yields and low values of interaction were NS-1, NS-2, NS-4, NS-5, NS-6, NS-9, NS-10, NS-11 and NS-16. .

Proučavane su performanse 25 novih hibrida suncokreta u 3 lokaliteta u Rumuniji primenom AMMI modela. Prinos semena po parcelici je zabeležen na biljkama iz srednjih redova kako bi se izbegao rubni efekat. Najproduktivniji hibrid je bio NS-6 (4,31 t/ha), dok je najmanje produktivan bio hibrid NS-13 (2,80 t/ha). Najveći prinos je ostvario hibrid NS-24 u lokalitetu Valul lui Traian sa prinosom od 5,03 t/ha, dok je najniži prinos semena bio 1,43 t/ha ostvaren od strane hibrida NS-13 u lokalitetu Dalga. AMMI analiza je pokazala da je varijacija u prinosu semena najvećim delom bila uslovljena aditivnim efektima, genotipom (32,45%) i spoljašnjom sredinom (41,62%), ali i efekat interakcije (25,92%) takođe nije bio zanemarljiv. Kao najproduktivniji sa visokim prinosom i niskom vrednošću interakcije pokazali su se hibridi NS-1, NS-2, NS-4, NS-5, NS-6, NS-9, NS-10, NS-11 i NS-16. .