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Research Article Open access CC BY 4.0

Effect of Time Interval, IBA and Rooting Media on Air Layering in Guava (Psidium guajava L.) cv. L-49

Pooja Kakarwal Meena, Annjoe V. Joseph, Vijay Bahadur, Shubham

Journal of Advances in Biology & Biotechnology · pp. 524–531 · Published 18 May 2024

10.9734/jabb/2024/v27i6912

Abstract

The experiment was conducted at Department of Horticulture, Naini Agricultural Institute, Sam Higginbottom University of Agriculture, Technology and Sciences, Prayagraj during the year 2023–2024. The experiment was laid out in randomized block design with three replications, and the study consists of Twelve treatment combinations by using two different concentrations of IBA viz., 4000 and 5000 ppm and four time of layering viz., 15th July, 30th July, 15th August, 30th August. The result indicated that treatment T9, i.e. Air layering done on 15th July using IBA 5000 ppm  was found to be the most effective for better rooting and growth parameters, and gave the best results with respect to number of days of root formation (32days), number of roots per layering (12.75), root length (7.82cm), root thickness (9.61mm), 83.33% success in rooting, number of new leaves (25.23), number of new sprouts (11.83), length of new shoot (6.67 cm) and survival percentage after transplant into polybags (94.44%), that was significantly higher as compared to other treatment combination. On the basis of result obtained in the present investigation, it can be concluded that air-layering performed during 15th July, treated with 5000 ppm IBA concentration with cocopeat and sphagnum moss have been found better compared to all other treatment under subtropical condition of prayagraj, Uttar Pradesh.

Air layering guava cocopeat Sphagnum moss IBA

References (12)

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