EFFECT OF ZINC AND VERMICOMPOST ON GROWTH AND DEVELOPMENT OF GUAVA (Psidium guajava L.) CV. SARDAR
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Date
2021-12-31
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College of Horticulture and Forestry, Jhalawar
Abstract
The present investigations entitled “Effect of Zinc and Vermicompost on growth and development of guava (Psidium guajava L.) cv. Sardar” was carried out at the Fruit Research Farm, Department of Fruit Science, college of horticulture and Forestry, Jhalawar during October 2020 to March 2021. The experiment was laid out in randomized block design with replicated thrice. The experiment consisted of sixteen treatment combinations having three levels each of Zinc (0.2%, 0.4% and 0.6%) and Vermicompost (4.5, 6 and 7.5kg/plant). From the experiment it appeared that among the different treatment combinations of Zinc and Vermicompost, the highest dose of T16 treatment ( ZnSO4 @ 0.6% + Vermicompost @ 7.5kg/plant) was found significantly superior over other treatments with respect to growth parameters such as maximum per cent increase in plant height(24.80%), E-W plant spread(23.94 %), north-south plant spread(24.32%), number of shoots per plant(53.10%), leaf length(85.94%), leaf width(53.94%), canopy volume(52.50%), rootstock girth(28.80%), scion girth(23.00%), number of nodes per plant (65.97%) and carboxylation parameters such as photosynthetic rate(6.58 μmolCO2m-2s-1), photosynthetic active radiation(1003.33mmolm-2 s-1), stomatal conductance(50.66 mmolm-2s-1), relative humidity of leaves (6.46%), leaf temperature (22.01˚C) and minimum vapour pressure deficit (21.14 mb). However, maximum increment in number of leaves per shoot was found in T6 (Vermicompost @ 6.0 kg/plant).
Description
EFFECT OF ZINC AND VERMICOMPOST ON GROWTH AND DEVELOPMENT OF GUAVA (Psidium guajava L.) CV. SARDAR