Heritability of Waterlogging Tolerance in Wheat (Triticuma aestivum L.)

Authors : Aydın ÜNAY, Serap SİMSEK

Pages : 156-160

Doi:10.17557/tjfc.691634

View : 20 | Download : 8

Publication Date : 2020-12-07

Article Type : Research Paper

Abstract :One of the most important objectives of wheat breeding is tolerance to waterlogging stress in high rainfall during critical stages and poorly drained areas. This study was conducted to estimate heritability parameters of characters associated with waterlogging tolerance by 5 x 5 complete diallel analysis in wheat insert ignore into journalissuearticles values(Triticum aestivum L.);. The genetic material were evaluated for SPAD, CCI, MTS, Fe root and shoot contents, Mn root and shoot contents under waterlogging during Zadox Growing Stage 12 and 31 for 10 days and untreated conditions. The differences among genotypes for mostly studied characters were found to be significant under both treatments. The heritability of observed characters were controlled by both additive and dominance genes under two treatments. Also, significant reciprocals differences depends on items insert ignore into journalissuearticles values(c); and insert ignore into journalissuearticles values(d); showed the presence of maternal effects for observed characters. Consequently, the determination of maternal parents were very important for waterlogging tolerance. Moderately broad sense heritability insert ignore into journalissuearticles values(h2b); and low magnitude narrow sense heritability insert ignore into journalissuearticles values(h2n); values indicated that non-additive gene effects were more considerable on inheritance of studied characters. Therefore, the selection in later generations was recommended for waterlogging tolerant in wheat breeding programme.
Keywords : Diallel, heritability, maternal effect, waterlogging, wheat