National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
A field experiment was conducted in 2020 at farmer’s field in varagoorpatai village, Cuddalore, Tamil Nadu to study the influence of plant growth regulators on growth characters of Dolichos bean (Lablab purpureus (L) Sweet). The experiment was laid out in Randomized Block Design with three replications and eleven treatments. The treatment combination consisted of inorganic fertilizer (DAP) and Plant bio regulators (Panchagavya, Vermiwash, Effective Micro organism and Seaweed extract). The treatment details viz., T1 - RDF (control), T2 - INM (Without foliar application), T3 - INM + DAP @ 2%, T4 - INM + Panchagavya @ 3%, T5 - INM + Panchagavya @ 4%, T6 - INM + Vermiwash @ 1:5 dilution, T7 - INM + Vermiwash @ 1:7.5 dilution, T8 - INM + Effective Micro organism @ 1:1000 dilution, T9 - INM + Effective Micro organism @ 2.5:1000 dilution. T10 - INM + Seaweed extract @ 2.5% foliar spray, T11 - INM + Seaweed extract @ 5%. The foliar sprays were applied at 30, 60 and 75 DAS. Studies revealed that the growth characters of dolichos bean differed significantly due to foliar spray treatments of different organic nutrients. Among the different foliar treatments, seaweed extract spray @ 5% recorded significant highest plant height (96.13 cm), total chlorophyll in fresh leaf tissue (2.57 mg g-1), Leaf area (20.00 cm2), leaf area index (8.02) and Days to first flowering (27.01 das), followed by T7- INM + Vermiwash @ 1:7.5 dilution and T10. - INM + Seaweed extract @ 2.5% foliar spray.
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