RESPONSE OF DIFFERENT CONCENTRATION OF HORMONES AND ROOTING MEDIA ON GROWTH AND SURVIVABILITY OF AIR LAYERS IN GUAVA (PSIDIUM GUAJAVA L.) CV. GWALIOR 27"Pratibha Jatav, A.K. Barholia, Arjun Kashyap, Kalyan Singh Raghuwanshi and Ankit Bauskar
Field trials conducted during 2014-15 at research orchard of Horticulture, College of Agriculture, Gwalior in sandy clay loam to evaluate the response of different concentration of indole butyric acid and rooting media on rooting, growth and survivability of air layers in guava (Psidium guajava L.) cv. Gwalior 27". The experiment comprising seven sources of rooting media viz., soil, soil + vermicompost, soil + cocopeat, soil + leaf mould, soil + vermicompost + cocopeat, soil + vermicompost + leaf mould and soil + cocopeat + leaf mould and five concentrations of hormones viz., IBA 10000 ppm, IBA 15000 ppm and IAA 10000 ppm , IAA 15000 ppm and 0 ppm that is control were laid out in randomized block design with three replications. Results revealed that maximum values of callus formation(5.14), rooting percentage(71.47), dry weight of root(0.88), growth parameter viz., number of leaves(13.43), number of new sprout /layer(4.90), length of shoot(28.14) and survival percentage(63.47) was obtained in soil + cocopeat +leaf mould rooting media. In case of different concentrations of hormone, the highest values of all these parameters were recorded with 15,000 ppm of IBA.
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