Influence of bio- inoculents in combination with organic manures on fresh on seed germination and seedling growth of fresh and aged seeds of guava
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Date
2022-09
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Chaudhary Charan Singh Haryana Agricultural University hisar
Abstract
The present investigation was carried out to study the effect of pre-sowing treatments on seed germination and seedling growth of guava (Psidium guajava L.) in the Department of Horticulture, CCS Haryana Agricultural University, Hisar during 2021-22. The experiments comprised of 15 different pre-sowing treatments viz, T1 (control), T2 (Sand + FYM), T3 (Sand + FYM + PSB), T4 (Sand + FYM + Azotobacter), T5 (Sand + FYM + VAM), T6 (Sand + FYM + PSB+ Azotobacter), T7 (Sand + FYM + PSB + VAM), T8 (Sand + Vermicompost), T9 (Sand + Vermicompost), T10 (Sand + Vermicompost + PSB), T11 (Sand + Vermicompost + Azotobacter), T12 (Sand + Vermicompost + VAM), T13 (Sand + Vermicompost + PSB + Azotobacter), T14 (Sand + Vermicompost + PSB + VAM), T15 (Sand + FYM + PSB + Azotobacter + VAM) with three replications in fresh and aged seeds of guava laid out in open field condition.
Pre-sowing treatments significantly influenced seed germination and seedling growth of guava. Among different pre-sowing treatments, T15 (Sand + FYM + PSB + Azotobacter + VAM) performed best in terms of germination percentage, minimum no. of days taken for germination, maximum vigour indexes (vigour index- I and vigour index- II), maximum height of seedlings, Girth of seedling, maximum no. of leaves per seedling, maximum leaf area, maximum chlorophyll content, maximum fresh and dry weight of leaves, maximum fresh and dry weight of shoots, maximum number of roots, maximum root length, maximum fresh and dry weight of roots, maximum nitrogen, phosphorus and potassium content in leaf and soil in case of fresh and aged seeds of guava.