OPTIMIZING PLANTING TIME AND BIOINOCULANT USE FOR ENHANCED DEHYDROGENASE ACTIVITY IN RHIZOSPHERIC SOIL OF GLADIOLUS CV WHITE PROSPERITY

The present experiment was conducted at Agri-tourism Centre, CCSHAU, Hisar (Haryana) during 2020-21 for Optimizing planting time and bioinoculant use for enhanced Dehydrogenase activity in Gladiolus cv White prosperity rhizosphere soil.This experiment was done to explore the best planting time and best bio inoculant treatment.The experiment consists of growing white prosperity cultivar of gladiolus at four different planting times (1 st fortnight of October, 2 nd fortnight of October, 1 st fortnight of November and 2 nd fortnight of November) and with eight different treatments of bio inoculants T 1 : Recommended dose of fertilizers (RDF), T 2 : RDF + Azotobacter, T 3 : RDF + Phosphate solubilizing bacteria, T 4 : RDF + Mycorrhiza, T 5 : RDF + Azotobacter + PSB, T 6 : RDF + PSB + Mycorrhiza, T 7 : RDF + Azotobacter + Mycorrhiza and T 8 : RDF + Azotobacter + PSB + Mycorrhiza.The data recorded revealed that 1 st fortnight of October with T 8 treatment for gladiolus performed better results in terms of dehydrogenase enzyme activity.