This experiment (genetic variability for irrigated and water stress rice) was conducted at the new experimental Farm, The University of Agriculture Peshawar Pakistan during 2020 rice growing season. the experiment consisted of thirty genotypes and was laid out in randomized complete block design Row length was 5mwith row to row distance of 30cm and plant to plant distance of 10 cm. The objective of this experiment was to study the genetic variability. Analysis of variance showed highly significant differences (P≤ 0.01) among genotypes for all the studied traits. Genotype PK-386/ DR-82 took minimum (177.33) days to 50% flowering, Minimum days to 50% maturity (174.33 days) were observed for genotype Basmati 385/ PK-386. Among all the genotypes the lowest (80.67 cm) plant height was recorded for Basmati 385/ PK-386 while maximum plant height was recorded for DR-82/ PK-386 (117.80 cm). Minimum flag leaf area (17.28 cm²) was measured for genotype JP-5/ KS-282 while maximum flag leaf area (38.34 cm²) was observed for KS-282/ Swat-2. Minimum panicle length (19.27 cm) was noticed for genotype KS-282/ JP-5 while maximum panicle length (29.07 cm) was measured for DR-82/ PK-386. Minimum tillers per plant (9.23) was counted for genotype JP-5/ Basmati 385 while maximum (16.90) were recorded for Basmati 385/ PK-386. Minimum biological yield (6082.73g) was recorded for genotype JP-5/ Basmati 385while the maximum biological yield (19708.03 g) was weighed for genotype KS-282/ Basmati 385. Minimum grain yield (734.79 g) was weighed for genotype KS-282/ PK-386 while maximum grain yield (4542.58 g) was recorded for genotype KS-282/ Basmati 385. Genotypes DR-82/ PK-386, KS-282/ PK-386, PK-386/ DR-82, Basmati 385/ PK-386 performed well and showed early flowering, Early maturity, maximum tillers plant^-1, high biological yield and higher grain yield hence, these genotypes can be recommended for future breeding programs.

Key points.        Rice   genotypes.  water stress conditions. Correlation.