Seed priming with Gibberellic acid (GA₃) alleviates salinity induced inhibition of germination and seedling growth of Zea mays L., Pisum sativum Var. abyssinicum A. braun and Lathyrus sativus L.
Seed priming with Gibberellic acid (GA₃) alleviates salinity induced inhibition of germination and seedling growth of Zea mays L., Pisum sativum Var. abyssinicum A. braun and Lathyrus sativus L. / Berhanu Abraha Tsegay, Melkamu Andargie
p. 261-267 ; 29cm
수록자료: Journal of crop science and biotechnology. Korean Society of Crop Science. vol.21 no.3(2018 September), p. 261-267 21:3<261 ISSN 1975-9479 저자: Berhanu Abraha Tsegay, Bahir Dar University 저자: Melkamu Andargie, Debre Tabor University
Low seed germination, poor seedling establishment, and less crop productivity are commonly observed problems in salt-affected soils. Genetic modification of plants for creating good varieties and selection of crop plants that have best performance on saline soils are the major accomplishments done to minimize the problem. In addition, application of Gibberellic Acid (GA₃) has been reported to increase germination percentage and seedling growth performance of crop plants under salt stress. The objective of the present study was therefore to investigate the effect of GA₃ on germination and early seedling growth of three important crops under saline conditions. To this effect an experiment was conducted as factorial with completely randomized design with three replicates. The factors of the experiment were salinity with four levels (0, 4, 6, 8, and 12 dS/m), hormone (GA₃ at 0.2 g/L versus no GA₃) and the three crops (Zea mays L., Pisums sativum Var. abyssinicum A. Braun, and Lathyrus sativus L). Consequently, priming seeds of these crops with 0.2 g/L GA₃ significantly improved germination percentage, reduced mean germination time, increased shoot and root length, and total weight of the crops (P < 0.05) when the salinity level is less than 8 dS/m. However, shoots of all crops performed better than the roots.