Cyto-agronomical variations were studied in M4 generation of peas and the seeds were irradiated and passed to M4 generation. The doses were 10, 15, 20, 25, 30, 35 40, 45,50,55,60 Krads. The variation were significant both in agronomic and cytological traits. Maximum pollen fertility (94.00%) was noted in 40 and minimum (75.67%) in control plots. High germination percentage (96.50%), tallest plants (103.00 cm), minimum grain per pod (4.351), maximum days to edible maturity (134.7 days), were noted in control. High fresh yield, (17.50 t ha-1), maximum grains per pod (6.55), maximum pod length (10.33 cm), were noted in 40 Krads. Dwarf plants (66.67 cm), and early flowering (81.33 days), were found in generation of 5 Krads.
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Derawadan, Muhammad Hanif, Abdul Majeed Khan and M.H. Bhatti, 2001. Cyto Agronomical Variation in Yield and Yield Components in M4 Generation of Pea (Pisum sativum). Journal of Biological Sciences, 1: 744-746.