Effect of Delayed Time of Planting on Grain Yield and Agro-morphological Traits of Elite Rice (Oryza sativa L.) Varieties
International Journal of Plant & Soil Science,
Aims: The present investigation entitled “Effect of delayed time of planting on Yield and Agro-morphological traits of different Rice (Oryza sativa L.) Varieties” was conducted to estimate the grain yield performance of different rice varieties under delayed planting conditions in Varanasi region of Uttar Pradesh, India.
Study Design: The experiment was laid in a Split plot design with three replications, consists of four elite rice varieties (HUR-3022, DRR-44, HUR-4-3, and HUR-105) as sub plot factor and three dates of planting (05/09/2018, 13/08/2018 and 20/08/2018) as main plot factor. Hence a total number of 12 treatments were allotted in the whole design.
Place and Duration of Study: The field trial was conducted during Kharif-2018 at Agricultural research farm under Institute of Agricultural Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh.
Methodology: Materials for the studies consist of four elite rice varieties (V1- HUR-3022, V2- DRR-44, V3- HUR-4-3, and V4- HUR-105) as sub plot factor and three dates of planting (D1- 05/09/2018, D2- 13/08/2018 and D3- 20/08/2018) as main plot factor. The biometric observations were taken from the field at a regular interval of 30, 60 and 90 days after planting (DAP) and during crop harvest. The yield attributes were recorded before, during and after harvest of the crop as per the need.
Results: The variety DRR-44 was found to be a best performer on planting date 06.08.2018 and recorded significantly higher yield of 3.8 t/ha followed by HUR-3022 (2.4 t/ha) and HUR-105 (1.64 t/ha).
Conclusion: Rice varieties sown in the field showed highest grain yield when sown on 6th August as compared to 13th and 20th August. As the dates of planting delayed crop yield subsequently decreased. Higher yield level in rice can be confirmed by adjusting the planting dates with the proper climatic conditions. So that the crop phenology can coincide with the suitable weather condition to boost the photosynthetic efficiency and ultimately increase the grain yield.
- delayed planting
- agro-morphological traits
- crop phenology
How to Cite
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