Partial root zone drying irrigation in papaya (Carica papaya L.) for enhanced water use efficiency under limited water situations

Manjunath B L; Laxman R H; Upreti K K; Raghupati H B

doi:10.24154/jhs.v12i2.19

Authors

Manjunath B L ICAR-Indian Institute of Horticultural Research Author
Laxman R H Author
Upreti K K Author
Raghupati H B Author

DOI:

https://doi.org/10.24154/jhs.v12i2.19

Keywords:

Evaporation replenishment, partial root zone drying irrigation, shifting of laterals, water use efficiency

Abstract

Field experiments were conducted during 2015-17 at ICAR-Indian Institute of Horticultural Research, Hessaraghatta, Bengaluru, to standardize the partial root zone drying irrigation in papaya with 12 treatments in RBD design. The results indicated that better soil moisture in the root zone could be maintained under drip irrigation by shifting laterals on either side at fortnightly intervals as compared to fixed laterals with thesame amount of water. Significantly more primary roots (16.5/plant) were observed when irrigation was scheduled on one side with single emitter meeting 60% of the evaporative demand. PRD irrigation through shifting of laterals recorded significantly higher transpiration rate especially at 50% of ER (8.05 m mol m-2 s-1) as compared to the control (3.95m mol m-2 s-1). Further, the same treatment recorded significantly lower fruit cavity index (0.26) with relatively higher fruit volume (1388 cm3). Irrigating papaya only on one side with single emitter resulted in significantly higher T.S.S (13.0%). Higher water productivity (23.7 kg/m3) could be obtained by scheduling the irrigation at 40% evaporation replenishment through shifting of laterals with saving of substantial water (1285m3/ha) resulting in higher water use efficiency (237.4 kg/ha.mm).

Downloads

Download data is not yet available.

References

Barr, H.D. and Weatherley, P.E. 1962. A re- examination of the relative turgidity technique for estimating water deficit in leaves, Australian Journalof Biological Sciences, 15:413-428.

Davies, W.J., Wilkinson, S. and Loveys, B.R. 2001. Stomatal control by chemical signaling and the exploitation of this mechanism to increase water use efficiency in agriculture. New Phytologist,153: 449-460.

De la Hera, M.L., Romero, P., Gomez-Plaza, E., Martinez, A. 2007. Is partial root-zone drying an effective irrigation technique to improve water use efficiency and fruit quality in field- grown wine grapes under semiarid conditions?

Agricultural Water Management, 87: 261-274.

Dodd Ian C., Jaime Puértolas, Katrin Huber, Juan Gabriel Pérez-Pérez,Hannah R. Wright and Martin S. A. Black. 2015. The importance of soil drying and re-wetting in crop phyto-hormonal and nutritional responses to deficit irrigation,

Journal of Experimental Botany,66 (8) : 2239–2252.

Dry, P. R., Loveys, B. R., Stoll, M., Stewart, D. and McCarthy, M. G. 2000. Partial root-zone drying- an update.Australia Grape grower and Winemaker, 438: 35–39.

Du, T., Kang, S., Zhang, J., Li, F. 2008. Water use and yield responses of cotton to alternate partial root- zone drip irrigation in the arid area of north-west China. Irrigation Science, 26: 147-159.

Fang, Y.L, Sun, W., Wan, L., Xi, Z.M., Liu X. and Zhang, Z.W. 2013. Effects of regulated deficit irrigation (RDI) on wine grape growth and fruit quality. Scientia AgriculturaSinica, 46: 2730–2738.

Han, Y.L. and Kang, S.Z. 2002. Effects of the controlled partial rootzone irrigation on root nutrition uptake of maize (Zea mays), Transactions of Chinese Society of Agricultural Engineers,18(1): 57–59.

Jones, H.G. 1992. Plants and microclimate: a quantitative approach to environmental plant physiology, 2nd edition. Cambridge: Cambridge University Press.

Kelen, M., Demiralay, E.C., Sen, S. and Ozkan,G., 2004. Separation of abscisic acid, indole acetic acid and gibberellic acid in 99R and rose oil by reverse phase liquid chromatography, Turkish Journal of Chemistry, 28: 603-610.

Kriedmann, P.E. and I. Goodwin, 2003. Regulated deficit irrigation and partial rootzone drying. Irrigation insights No.4, Land and Water Australia, Canberra, 102p.

LimasRoberta Samara Nunes de, Fábio Afonso Mazzei Moura de Assis Figueiredo, Amanda Oliveira Martins, Bruna Corrêa da Silva de Deus, Tiago Massi Ferraz, Mara de Menezes de Assis Gomes, Elias Fernandes de Sousa, David

Michael Glenn, Eliemar Campostrini. 2015.Partial rootzone drying (PRD) and regulated deficit irrigation (RDI)effects on stomatal conductance, growth, photosynthetic capacity and water-use efficiency of papaya, Scientia Horticulturae,183 : 13–22.

Panse, V.G. and Sukhatme, P.V. 1985. Statistical Methods for Agricultural Workers. Indian Council of Agricultural Research Publication, 87-89.

Saeed, H., Grove, I.G., Kettlewell, P.S. and Hall. N.W. 2008. Potential of partial root zone drying as an alternative irrigation technique for potatoes (Solanum tuberosum). Annals of Applied Botany, 152: 71-80.

Skinner, R.H, Hanson, J.D. and Benjamin, J.G. 1998. Root distribution following spatial separation of water and nitrogen supply in furrow irrigated corn. Plant and Soil, 199: 187–194.

StollManfred, Brian Loveys and Peter Dry. 2000. Hormonal changes induced by partial rootzone drying of irrigated grapevine. Journal of Experimental Botany,51 (350): 1627-1634.