Influence of Soil Amendment, Season and Environment on the Germination Potential of Okra
Abstract
Study on the influence of soil amendment, season and environment on the germination potential of Okra were carried out in the Department of Plant Science and Biotechnology and Rivers State Institute of Agriculture and Training Farm, Rivers State University. A total of 8 treatments were established based on the concentration of the amendments (ST1=6kg SMS+12kg soil, ST2=12kg SMS+12kg soil, ST3=18kg SMS+12kg soil and ST0=12kg soil) and the okra variety (P1=local variety and P2=improved variety) viz: P1ST1, P1ST2, P1ST3, P2ST1, P2ST2, P2ST3, P1ST0 and P2ST0. The established treatments were replicated three times and grown in the screen house and field. All experimental setups were evaluated for in the dry and wet seasons. Association of Official Analytical Chemists method was used to determine the physicochemical contents of utilized soil and SMS. Physicochemical assessment showed that SMS had highest contents of pH (6.62), total nitrogen (74.29mgkg-1), total organic carbon (36.07%) and total organic matter (72.28%) while highest values of available phosphorus (26.4mgkg-1) and electrical conductivity (250 μs/cm3) were record for utilized soil. Germination percentage screening revealed highest percentage germination 91.66 & 83.33% for screen house and fields sections relatively at the dry season and 100% in both screen house and field sections at wet season for P2ST0. Generally, the study has revealed the implication of SMS soil amendment on the germination potential of okra. Okra performed best in dry, field and lower concentration of amended soils. The germination data also confirmed P2 variety to be superior to P1.
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