Growth and Yield of Lentil (Lens Esculenta L.) Influenced by Zn Application with PGPR Inoculation under Rain-Fed Conditions
Growth and Yield of Lentil (Lens Esculenta L.) Influenced by Zn Application with PGPR Inoculation under Rain-Fed Conditions
Imdad Ali Mahmood1, Muhammad Imran2, Muhammad Sarwar1, Matiullah Khan1, Muhammad Aqeel Sarwar2, Shoaib Ahmed1 and Shahid Riaz Malik2
ABSTRACT
A field experiment on lentil was conducted to see the effect of Zn application alongwith PGPR on growth and yield under rain-fed conditions at National Agricultural Research Centre (NARC), Islamabad during 2016-17. Split plot design (main plots with and without inoculation and Zn application in sub-plots) with three replications was followed. Agronomic data i.e., plant height, pods per peduncle, seeds per pod, 100-seed weight, total biomass and grain yield were recorded. Plant samples were collected at maturity to determine Zn concentration in plant tissues and grains. A significant increase in pods per peduncle, seeds per pod, grain yield and total biomass of lentil was observed with Zn application even at lower rate (5 kg ha-1) under PGPR inoculation. Maximum 100-seed weight (2.56 g) was recorded with PGPR inoculation which was 21 % higher than that of without PGPR inoculation. Overall, a significant increase (31 %) in grain yield and total biomass was observed due to Zn application as well as PGPR inoculation. Similarly, maximum Zn concentration in plant tissues and its uptake (kg ha-1) was determined from the treatments where Zn was applied under PGPR inoculation.
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