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Information Journal Paper

Title

Investigation of Agronomic Traits of New Spring Rapeseed (Brassica napus L. ) Cultivars in Response to the Winter Planting Dates by Zinc Application

Pages

  99-113

Abstract

 Background and Objective: In order to investigate the response of spring rapeseed (Brassica napus L. ) cultivars to winter planting dates under zinc application conditions, a two-year experiment (2016-2018) was conducted in Karaj. Materials and Methods: The experiment was performed as a factorial split-plot based on randomized complete block design with three replications was conducted during two experimental years (2016-2017) in Alborz province (Karaj). Experimental factors including winter planting date in three levels (11. 20, 11. 30 and 12. 10) and zinc factor in two levels, no application of zinc (spraying with pure water) and application of zinc (spraying in stem elongation stage) were considered as factorial in the main plots and factor cultivars were classified into four levels, Sarigol, Dalgan, Salsa and Solar in the subplot. Results: The results showed that planting date had a significant effect on the level of 1% probability on yield, yield components and oil of canola cultivars. Delayed planting reduced leaf chlorophyll content. Also, the yield components of canola were reduced due to delay in planting and non-application of zinc, which eventually reduced the yield of canola seed and oil. The tested genotypes had the highest yield on the date of normal cultivation (February 9). The highest oil yield was observed in Dalgan cultivar (2066 kg. ha-1) due to zinc application on February 9. Delay in planting caused an increase in glucosinolate. Conclusion: In general, foliar application of zinc, reduced the negative effects of delay in planting in most of the studied traits of different rapeseed cultivars. Due to the effect of zinc application and adaptation of Dalgan cultivar to a certain range of planting date for canola production in this area and areas with similar climates is recommended.

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    APA: Copy

    Jalili, Ehsanollah, SHIRANI RAD, AMIR HOSSEIN, MOZAFARI, HAMID, SANI, BEHZAD, & RAJABZADEH, FAEZEH. (2023). Investigation of Agronomic Traits of New Spring Rapeseed (Brassica napus L. ) Cultivars in Response to the Winter Planting Dates by Zinc Application. JOURNAL OF AGRICULTURAL SCIENCE AND SUSTAINABLE PRODUCTION (JOURNAL OF AGRICULTURAL SCIENCE), 32(4 ), 99-113. SID. https://sid.ir/paper/1048805/en

    Vancouver: Copy

    Jalili Ehsanollah, SHIRANI RAD AMIR HOSSEIN, MOZAFARI HAMID, SANI BEHZAD, RAJABZADEH FAEZEH. Investigation of Agronomic Traits of New Spring Rapeseed (Brassica napus L. ) Cultivars in Response to the Winter Planting Dates by Zinc Application. JOURNAL OF AGRICULTURAL SCIENCE AND SUSTAINABLE PRODUCTION (JOURNAL OF AGRICULTURAL SCIENCE)[Internet]. 2023;32(4 ):99-113. Available from: https://sid.ir/paper/1048805/en

    IEEE: Copy

    Ehsanollah Jalili, AMIR HOSSEIN SHIRANI RAD, HAMID MOZAFARI, BEHZAD SANI, and FAEZEH RAJABZADEH, “Investigation of Agronomic Traits of New Spring Rapeseed (Brassica napus L. ) Cultivars in Response to the Winter Planting Dates by Zinc Application,” JOURNAL OF AGRICULTURAL SCIENCE AND SUSTAINABLE PRODUCTION (JOURNAL OF AGRICULTURAL SCIENCE), vol. 32, no. 4 , pp. 99–113, 2023, [Online]. Available: https://sid.ir/paper/1048805/en

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