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Response of Fine Rice (Oryza sativa L.) to various Planting Dates and Seedling Densities under Arid Environment of Dera Ismail Khan

Response of Fine Rice (Oryza sativa L.) to various Planting Dates and Seedling Densities under Arid Environment of Dera Ismail Khan

M. Azam, Iqtidar Hussaian*, Ghazanfar ullah, A.A. Khakwani, M.S. Baloch, K. Waseem, M. Amjed Nadeem and M.K. Javaid 

Department of Agronomy, Gomal University, Pakistan.

Iqtidar Hussaian, Department of Agronomy, Gomal University, Pakistan; Email: 


Climate change has emerged as the most prominent global environmental issues and there is a need to evaluate its impact on agriculture. It is need of the hour to determine suitable transplanting time for rice in this changing climate scenario to have better yield. The experiment was conducted to study the response of transplanting dates and seedlings densities on fine rice variety “Super Basmati” at Agronomic Research Farm, Faculty of Agriculture, Gomal University, Dera Ismail Khan during 2017. The experiment was laid out in a Randomized complete block design with three replications, because of two factors and four levels of each; split plot design was carried out. Main plots were assigned seedlings hill-1 viz. 1, 2, 3 and 4 seedlings, while sub-plots were of four different transplanting dates i.e. 18th July, 25th July, 1st August and 8th August. Data was recorded on flag leaf area (cm2), chlorophyll content (μ g cm-2), plant height (cm), number of fertile tillers hill-1, number of unfertile tillers hill-1, panicle length (cm), spikelet fertility (%), number of grains panicle-1, 1000-grain weight(g), biological yield (kg ha-1), grain yield (kg ha-1), benefit cost ratio (BCR) and Harvest index (%). Seedling density showed significant differences for traits such as unfertile tiller hill-1, while transplanting dates also indicated significant differences for biological yield, grain yield, plant height, spikelet fertility (%), 1000-grain yield and number of unfertile tiller per plant. Seedling densities and transplanting dates interaction also showed significant differences for various parameters under study. Data revealed that 3 seedlings hill-1 transplanted on 18th July gave maximum grain yield (4700 kg ha-1) and benefit cost ratio (2.70). Therefore, fine rice variety “Super Basmati” is recommended for transplanting on 18th July by using 3 seedling hill-1 under the environmental conditions of Dera Ismail khan.


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Pakistan Journal of Zoology


Vol. 53, Iss. 6, Pages 2001-2521


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