Morphological Responses of Pea (Pisum sativum L. Var. Kashi Nandni) to Exogenous Application of Salicylic Acid under Water Deficit Stress condition

Author: Pallavi Soni*, Reena Nair, Surabhi Jain and R.K. Sahu

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Abstract

Sustainable agriculture is greatly threatened by the abiotic stress such as drought. The experiment was conducted with a split plot arrangement and replicated thrice. Water stress condition signifies irrigated and water deficit stress conditions. Water stress conditions were assigned to main plots and five doses of SA (0, 0.25, 0.50, 0.75 and 1 mM) were designed to sub plots. Results state that the foliar application of SA (especially 0.5 mM) was effectively improved all morphological parameters under both irrigated and water deficit stress conditions except Leaf area index in which superior result was obtained with 0.75 mM SA. Analysis of variance showed that the effect of salicylic acid on all characteristic was significant except on no. of leaves. Interaction effect was also found significant in the case of total dry weight and LAI. Water deficit stress is one of the crucial factors which create challenges to plant growth and development by altering in its physiological pathways. S

Keywords

Salicylic acid, Pea, Water deficit Stress, Morphological, Growth analytical

Conclusion

Drought stress causes severe physiological and biochemical malfunctions in plants, which leads to a drastic reduction in plant performance. Environmental stress, such as water stress, adversely influences the morphological along with growth analytical parameters of pea. Plants alone would not be able to alleviate the negative consequences of water stress in this circumstance therefore; there is a need of exogenous support to pea plant to cope drought stress which is facilitated by the application of SA to carry out various processes which enhance the physiological and biochemical phenomenon of plant body. Salicylic acid is a phytohormone that helps plants copes with abiotic and biotic stresses. Recent study state that water deficit stress reduced plant height, no. of branches, leaf fresh weight, leaf dry weight and leaf area index of pea. SA application improved all measured traits not only under irrigated but also under water deficit stressed plants. The effect of 0.50 mM SA was more

References

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How to cite this article

Pallavi Soni, Reena Nair, Surabhi Jain and R.K. Sahu (2022). Morphological Responses of Pea (Pisum sativum L. Var. Kashi Nandni) to Exogenous Application of Salicylic Acid under Water Deficit Stress condition. Biological Forum – An International Journa