An Investigation on The Effects of Salinity Stress in Wheat
2007
Arshad, Y ousef | Soltani, Ali | Alizadeh, Ali | Saghafi, Mohamadreza
In order to investigate salinity tolerance in wheat accessions of National Plant Gene Bank of IRAN, 4096 wheat accessions were evaluated under normal condition (Agricultural Research Station of SPII, Karaj) and stressed condition (Agricultural Research Station, Ardekan) during 1998 to 2004. Morphological, agronomical and phenologic characters including: days to heading, days to flowering, days to maturity, days from heading to maturity, days from flowering to maturity, number of flowers/spikelet, length of spike, plant height, tiller number, number of spikelets/spike, number of seeds/spike, weight of hundred seeds, weight of seeds on 5 spikes, spike density, awnletted of spike, glume colour, glume hairness, sprouting tendency and number of nodes were evaluated according to IPGRI wheat descriptors. Kernel wrinkles and number of seeds per spike were considered as selection criteria to identify salinity tolerant accessions. Among 4096 accessions 535 samples were tolerant, 789 samples moderate tolerant, 934 samples moderate susceptible, 1787 samples susceptible and 51 samples were very susceptible.
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