Author(s):

Sujata Kumari and Narender K Bharat

Abstract: An investigation was carried out during (2015-16) at laboratory and experimental farm of Department of Seed Science and Technology, Dr. Y. S. Parmar University of Horticulture and Forestry, Nauni, Solan-273230 (H. P.). In vitro screening of plant growth promoting rhizobacteria (PGPR) and biocontrol agents was done with three bacterial (Kt₆, Kl₅ and A₃) and three fungal (Trichoderma viride, T. harzianum and T. hamatum) strains. Among all, one best from both bacterial and fungal strains were evaluated for their effect on seed germination and seedling growth of bell pepper under field conditions. The studies revealed that all the seed quality parameters viz. speed of germination (49.60), germination percentage (9.79), seedling length (13.58), seedling dry weight (2.66), seedling vigour index-length (12.86.66) and seedling vigour index-mass (252.14) were found maximum with treatment T₃ (PGPR-3) under in vitro conditions. However under nursery conditions, speed of germination (38.23), germination percentage (9.26), seedling length (10.77), seedling dry weight (3.91), seedling vigour index-length (912.17) and seedling vigour index-mass (331.32) were recorded maximum with treatment T₅ PGPR (seed treatment) + Trichoderma (soil application).

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