Journal of Food, Agriculture and Environment




Vol 2, Issue 3&4,2004
Online ISSN: 1459-0263
Print ISSN: 1459-0255


Germinability, vigour and electrical conductivity changes in acceleratedly aged watermelon (Citrullus lanatus T.) seeds


Author(s):

A. Y. Al-Maskri 1, M. Mumtaz Khan 2, M. Javed Iqbal 3, Mazhar Abbas 4

Recieved Date: 2004-07-10, Accepted Date: 2004-10-15

Abstract:

Changes in viability and vigour in watermelon (Citrullus lanatus T.) seeds stored at high temperature (45°C) and high relative humidity (100%) for 0, 3, 5 and 7 days were observed. Storage at 45°C and high humidity caused severe damage to seed membranes as evidenced by loss of viability and an increase in electrical conductivity (EC) values. There was a positive correlation (r² = 0.89) between germination capacity and EC measured in seeds aged acceleratedly for 7 days. Germination percentage and radicle length decreased while germination speed, time to 50% germination and electrical conductivity increased with the passage of ageing time. These differences are indicative of an increase in the proportion of deteriorated seeds and with loss of membrane integrity.

Keywords:

Watermelon, Citrullus lanatus, seed, germination, vigour, accelerated ageing, electrolyte leakage


Journal: Journal of Food, Agriculture and Environment
Year: 2004
Volume: 2
Issue: 3&4
Category: Agriculture
Pages: 100-103


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