Author(s): Raut Astha, Haldar A, Gawali K, Nagmote V Amol, Sarda A and Wankhede Anjali K

Abstract: The present investigation entitled “Effect of plant growth hormone on root growth and survival percentage of guava (Psidium guajava L.) layerings ” Was carried out The experiment was conducted at the student instructional field and guava orchard, Department of Horticulture, School of Agricultural Sciences, GH Raisoni University Saikheda, Dist - Chhindwara (M.P.) during Rainy Season of Year 2022. The experiment was laid down in Randomized Block Design with three replication and seven treatment including control. The seven treatment of plant growth regulators and control (T₁- Control, T₂- IBA 2000 ppm, T₃- IBA 3000 ppm, T₄- IBA 4000 ppm, T₅- NAA 2000 ppm, T₆- NAA 3000 ppm and T₇- NAA 4000 ppm). Observations of root characters such as callus formation (mm), days to root appearance, no of secondary roots (cm), length of primary roots (cm), length of secondary roots (cm), no of primary roots. The result revealed that the maximum callus formation (15.13 mm) and no of secondary roots (24.5), length of primary and secondary roots (7.10 cm and 2.40 cm) was observed under T₄, minimum days to root appearance (15.77 days) and maximum no of primary roots (15.67) was observed under T₃, while the minimum was found under T₁- Control.

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