PJB-2022-420
Seed inoculation and fertigation of plant beneficial bacteria at tillering stage improve growth, physiology, nutrition and yield of wheat
Muhammad Junaid Asim
Abstract
Sustainability in agriculture and food security are the emerging issues of the world. Where plant growth promoting bacteria (PGPR) may contribute substantially to enhance nutrients availability to crops. The use of plant growth promoting rhizobacteria (PGPR) is considered one of the best ways to enhance the growth and productivity of cereal crops. The present study was conducted to monitor the impact of seed and soil inoculation of PGPR on growth, yield, physiology and grain nutrient contents at different growth stages. The treatments were T0 (control – No inoculation), T1 (PGPR application through seed inoculation), T2 (PGPR application through fertigation at tillering), T3 (PGPR application through fertigation at flowering), T4 (PGPR application through fertigation at grain filling), T5 (T1+T2), T6 (T1+T3), T7 (T1+T4). The results demonstrated a significant difference in growth, yield, physiology and nutritional parameters of wheat. However, T5 remained a significant treatment among all and showed increases about 10.3% in plant height, 6.75% in number of tillering, 36.25% in grain yield, 0.413% in grain K and 2.9% in grain P as compared to control (To). From these results, it can be concluded that the seed and soil inoculation of PGPR at different growth stages is a better strategy for improving growth, yield and nutritional quality of wheat (T7). However, extensive evaluation is suggested before recommending it to the farming community.
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