Different Plant Density by Transplanting Square Pattern With Wide Spacing and Its Influence on Yield and Yield Components
2015
Khidhir Abbas Hameed
A field experiment has been conducted in Al-Mishkhab Rice Research Station at Najaf governorate during rice season 2010. The aim of this study is to know the effect of different planting density in the form of transplanting on the grain yield and its components of rice Jasmine variety. Five planting densities are used ] 7plant per m² equal (38×38)cm, 9 plant per m² equal (32×32)cm, 11plant per m² equal (30×30)cm, 13plant per m² equal (28×28)cm, 15 plant per m² equal (25×25)cm [. The experiment uses RCBD in three replications. Variance analysis results has revealed that the 15 plant per m² density is significantly increases the grain yield, active tiller number per m², sterile percentage per panicle, biological yield are in average (54.3%), (61.4%), (48.7%) and (50.2%) respectively, and decreased the filled grain number per panicle, and plant high are in average (29.2%), and (8.1%) respectively. Ultimately it can be concluded that the planting density is one of the important key factors to obtain higher yield. Accordingly, it can be recommended that the 15 plant per m² density of Jasmine rice variety planting by transplanting method is the most appropriate density in Iraq rice growing areas as it causes the maximum grain yield, and will contribute to cut down the need cost by reducing the seed rate.
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