Influence of Bio-inoculants on Growth, Flowering and Corm Production in Gladiolus(Gladiolus grandiflorus L.)
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Date
2023-10-20
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Sher-e-Kashmir University of Agricultural Sciences & Technology of Jammu
Abstract
The present investigation entitled “Influence of Bio-inoculants on Growth, Flowering and Corm Production in Gladiolus(Gladiolus grandiflorus L.)” was conducted at the Experimental Farm, Division of Floriculture and Landscaping, Sher-e-Kashmir university of Agricultural Sciences and Technology, Chatha, during 2022-2023. The experiment was laid out in Randomized Complete Block Design consisting of 12 treatment combinations viz., T1 : Control (100 % RDF), T2 :RDF@75%, T3 :RDF @50%, T4 :RDF@100% + Pseudomonas fluorescens, T5 :RDF@100% +Actinomycetes, T6 :RDF@75% + Pseudomonas fluorescens, T7: RDF@75% +Actinomycetes, T8 :RDF@50% + Pseudomonas fluorescens, T9 :RDF@50% +Actinomycetes, T10 :RDF@100% + Consortia ( Pseudomonas fluorescens +Actinomycetes), T11 :RDF@75% + Consortia (Pseudomonas fluorescens +Actinomycetes) and T12 :RDF@50% + Consortia (Pseudomonas fluorescens +Actinomycetes). The results revealed that among the various treatments, T10i.e. RDF@100% + Consortia(Pseudomonas fluorescens +Actinomycetes) had the best results for floral characters like spike length (83.78cm), rachis length (61.41cm), number of florets per spike (18.85), as well as number of corms per plant (2.60), number of cormels per plant (22.58), weight of cormels per plant (8.76g) and the B:C ratio (3.88), while the parameters like plant height (121.16cm), leaf width (4.79cm), leaf area index (3.18) and diameter of floret (11.57cm) showed the best results in T11 (RDF@75% + Consortia). Number of leaves per plant (9.80), leaf length (64.19cm), days taken for spike emergence (60.93) and corm diameter (6.49) showed the best outcomes in the treatment T12 .The treatment T6 (RDF@75% + Pseudomonas fluorescens) comprising of recorded maximum corm weight per plant (80.07g), corm yield per plot (2.03kg) and corm yield per hectare (72.47 q). Thus, it can be concluded that usage of these bio-inoculants has helped to improve the quality and yield of the crop, thus increasing the profit of the produce considerably.
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Sen, V.2023.Influence of bio-inoculants on growth, flowering and corm production in gladiolus (Gladiolus grandiflorus L.), M.Sc. Thesis, SKUAST –Jammu , India.