PJB-2017-735
EFFECT OF PRE-SOWING SEED TREATMENT WITH PROLINE ON MAIZE (Zea mays L. cv. Safaid Afgoi) UNDER SALT STRESS
Shagufta Perveen
Abstract
A pot experiment was conducted to explore the role of proline as seed treatment on maize (Zea mays L.) under salt stress. Seeds of maize cultivar (Safaid Afgoi) were soaked in different proline solutions (0.0, 0.5, 1.0, 1.5, and 2.0 mM) for 12 hours and sown in plastic pots containing thoroughly washed sand. Salt treatment (0 and 75 mM NaCl) was applied to one week old maize seedlings. Data of 3-week-old maize plants was collected for various growth and physiochemical attributes. Salt stress significantly decreased most of the growth attributes, while increased ratio of chlorophyll a to chl. b, chl. b and total soluble proteins and malondialdehyde (MDA) contents in maize plants. Seed treatment with proline significantly increased shoot length of maize plants under salt stress.
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