Effect of irrigation scheduling at critical growth stages and fertility levels on growth, yield and quality of summer sesame (Sesamum indicum L.)

Journal of Oilseeds Research Pub Date : 2023-09-08 DOI:10.56739/jor.v31i1.142092

None R B THANKI, None R M SOLANKI, None J M MODHAVADIA, None B S GOHIL, None P J PRAJAPATI

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Abstract

A field experiment was conducted with sesame during summer season of 2007 and 2008 on clayey soil ofCotton Research Centre, Khapat farm, Junagadh Agricultural University, Porbandar, Gujarat to find out thecombined effect of irrigation at critical growth stages and fertility levels on growth, yield attributes, yields andquality of sesame. The treatments consisted 24 possible combinations of four levels of irrigation in main plot andsix levels of fertility in sub-plot. The results revealed that irrigating the crop at branching, flowering, capsule andseed development stages with the application of 75:50:50 kg NP2O5K2O/ha were found significant for number ofeffective branches/plant, length of capsule, number of capsules/plant, number of seed/capsule, seed yield/plant, seedyield and stover yields of sesame, harvest index, 1000-seed weight, protein and oil content in seed, oil yield andnitrogen, phosphorus and potassium uptake. Whereas water use efficiency was maximum when the crop wasirrigated at flowering and capsule development stages only.

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关键生育期和肥力水平灌水调度对夏芝麻生长、产量和品质的影响

本研究于2007年和2008年夏季在古吉拉特邦波尔班达尔Junagadh农业大学Khapat农场棉花研究中心粘土土壤上进行了芝麻田间试验，探讨了关键生育期灌溉和肥力水平对芝麻生长、产量属性、产量和品质的综合影响。处理包括24个可能的组合，主区灌溉4个水平，次区肥力6个水平。结果表明，在分枝期、开花期、蒴果期和种子发育期，施用75:50:50 kg NP2O5K2O/ha对芝麻的有效枝数、蒴果长度、蒴果数、籽粒数、籽粒产量、籽粒产量和秸秆产量、收获指数、千粒重、籽粒蛋白质和含油量、产量和氮、磷、钾吸收均有显著影响。而在开花期和蒴果发育期灌水，水分利用效率最高。

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Journal of Oilseeds Research

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