Phenotypic data of shoot fly introgression lines in sorghum for the year 2014 post-rainy season uri icon

abstract

  • Sorghum is a major cereal crop cultivated mainly for food, feed and fodder purpose. But the major constraint in its production is shoot fly, which effects the plant at very early stage resulting in lower yield. Hence, this study was focused to develop shoot fly resistant varieties using host plant resistance mechanism. In this study, three QTLs associated with shoot fly resistance were introgressed into elite cultivars Parbhani Moti (SPV1411) and ICSB29004 using marker assisted backcrossing (MABC) and IS 18551 and 296B are used as resistant and susceptible check respectively. This database includes the phenotypic data generated in the shoot fly screening field for the development of shoot fly resistance elite varieties using marker assisted back crossing at ICRISAT Center, Patancheru ((17°30'39.8'N 78°16'11.7'E). The data on five component traits contributing to shoot fly resistance were recorded in shoot fly screening block using interlard fish meal techniquethe data was recorded for season viz., 2014 post- rainy, at ICRISAT-Patancheru, Hyderabad, India. The component traits recorded in the field trial were leaf surface glossiness (GS), trichome density on adaxial (upper; TDU) and abaxial (lower; TDL) leaf surfaces, seedling vigor (SV), oviposition at 28 DAE (EG28) and dead hearts percentage (DH%). Leaf glossiness was visually scored on a scale of 1–5 scores with 1 being glossy (light green, shiny, narrow, and erect leaves), and 5 -non-glossy (dark green, dull, broad, and drooping leaves). Seedling vigor was recorded on a 1–5 scale, where 1 stands for low vigor and 5 for high vigor. Oviposition non-preference is the number of eggs laid on each seedling from each plot at 14, 21, and 28 DAE. The overall shoot fly damage was calculated by taking the percentage of dead hearts (DH%) on 14, 21, and 28 DAE. To record the trichome density both trichomes on the adaxial leaf surface (TDU) and abaxial surface (TDL) were recorded at 14 DAE. Finally the few best progenies among them are being evaluated in on-farm trials (OFTs)

publication date

  • 2018