PJB-2011-356
PRE-SOWING APPLICATION OF ASCORBIC ACID AND SALICYLIC ACID TO SEED OF PUMPKIN AND SEEDLING RESPONSE TO SALT
NOMAN RAFIQUE, SYED HAMMAD RAZA, MUHAMMAD QASIM AND NAEEM IQBAL
DOI:
Abstract
The effects of seed soaking with salicylic acid or ascorbic acid on pumpkin seedlings growth under saline (10 dS m-1) conditions were investigated. Seedlings fresh weight, protein contents, protease and nitrate reductase activities were significantly affected by 15 and 30 mg L-1 salicylic acid and 30 mg L-1 ascorbic acid priming treatments, under both normal and saline conditions. Priming reduced the severity of the salt stress, the amelioration was better due to 30 mg L-1 ascorbic acid or 30 mg L-1 salicylic acid treatments as these treatments showed best results on seedling growth, fresh and dry matter production under non-saline and saline environments. Application of seed priming with ascorbic acid and salicylic acid in pumpkin ameliorate the adverse effects of salt stress.
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