Water stress is one of the main constraints which could limits crop productivity, especially in arid and semi-arid regions characterized limited water resources. This study was conducted to investigate the seed yield, oil and mineral contents of 44 lines and 4 commercial pumpkin varieties (2 local and 2 hybrids) in irrigated and drought stress conditions. The study was conceived as a randomized block design with three replications and carried out during the 2017 growing season. On average, the irrigated plots produced 161.27 kg da–1 seed yield whereas it was 33.67 kg da–1 in non-irrigated plots. The highest yield among the commercial pumpkin varieties was obtained from the G2 hybrid variety in the irrigated conditions. On the other hand, in the non-irrigated plots, higher seed yields were obtained from G9, G34, and G36 pure lines. Drought resulted in a remarkable decrease in the total oil content and significant increase in the amount of Ca and Zn in pumpkin seeds. These results clearly indicated that G9 line, which has the highest seed yield in both irrigated and drought conditions, can be utilized as a recommendable parental pumpkin line in future hybrid breeding efforts.


breeding; open field condition; water stress; pumpkin

Ahmad, P., Alyemeni, M.N., Ahanger, M.A., Wijaya, L., Alam, P., Kumar, A., Ashraf, M. (2018). Upregulation of antioxidant and glyoxalase systems mitigates NaCl stress in Brassica juncea by supplementation of zinc and calcium. J. Plant Interact., 13(1), 151–162. DOI: 10.1080/17429145.2018.1441452
Alam, S.M. (1999). Nutrient uptake by plants under stress conditions. In: Handbook of Plant and Crop Stress, Pessarakli, M. (ed.). Marcel Dekker, New York, 285–314.
Alfawaz, M.A. (2004). Chemical composition and oil characteristics of pumpkin (Cucurbita maxima) seed kernels. Food Sci. Agric., 2(1), 5–18.
Çakır, R. (2000). The effect of irrigation programs applied in changing climatic conditions on fruit and seed yield of pumpkin. III Vegetable Growing Symposium, Isparta, September 11–13, 448–455.
Chew, B.P., Park, J.S. (2004). Carotenoid action on the immune response. J. Nutr., 134, 257S–261S.
Cosgrove, W.J., Loucks, D.P. (2015). Water management: Current and future challenges and research directions. Water Resour. Res., 51(6), 4823–4839. DOI: 10.1002/2014WR016869
Darrudi, R., Nazeri, V., Soltani, F., Shokrpour, M., Ercolano, M.R. (2018). Evaluation of combining ability in Cucurbita pepo L. and Cucurbita moschata Duchesne accessions for fruit and seed quantitative traits. J. Appl. Res. Med. Arom. Plants, 9, 70–77. DOI: 10.1016/j.jarmap.2018.02.006
Elinge, C., Muhammad, A., Atiku, F., Itodo, A., Peni, I., Sanni, O., Mbongo, A. (2012). Proximate, mineral and anti-nutrient composition of pumpkin (Cucurbita
pepo L.) seed extract. Int. J. Plant Res. 2, 146–150.
DOI: 10.5923/j.plant.20120205.02
Erdinç, Ç., Seymen, M., Türkmen, Ö., Fidan, S., Paksoy, M. (2018). Mineral Composition of Inbred Confectionary Pumpkin Candidates from Turkey Originated Populations. Iğdır Univ. J. Inst. Sci. Tech., 8(1), 11–17.
Ergen, Y., Sağlam, C. (2005). Yield and yield components of some confectionery sunflower (Helianthus annuus L.) varieties in Tekirdag conditions. JOTAF – J. Tekirdağ Agric. Fac., 2(3), 221–227.
Glew, R.H., Glew, R.S., Chuang, L.T., Huang, Y.S., Millson, M., Constans, D., Vanderjagt, D.J. (2006). The amino acid, mineral and fatty acid content of pumpkin seeds (Cucurbita spp.) and Cyperus esculentus nuts in the Republic of Niger. Plant Foods Hum. Nutr., 61(2), 49–54. DOI: 10.1007/s11130-006-0010-z
Günay A., 2005. Sebze Yetiştiriciliği, Cilt 2. Meta Publisher, İzmir.
Hong, H., Kim, C.S., Maeng, S. (2009). Effects of pumpkin seed oil and saw palmetto oil in Korean men with symptomatic benign prostatic hyperplasia. Nutr. Res. Pract., 3(4), 323–327. DOI: 10.4162/nrp.2009.3.4.323
Hong‐Bo, S., Li‐Ye, C., Ming‐An, S. (2008). Calcium as
a versatile plant signal transducer under soil water stress. BioEssays, 30(7), 634–641. DOI: 10.1002/bies.20770
Jeshni, M.G., Mousavinik, M., Khammari, I., Rahimi, M. (2017). The changes in yield and essential oil components of German chamomile (Matricaria recutita L.) under application of phosphorus and zinc fertilizers and drought stress conditions. J. Saudi Soc. Agric. Sci., 16(1), 60–65. DOI: 10.1016/j.jssas.2015.02.003
Karipçin, M.Z., Sari, N., Kirnak, H. (2009). Determination of tolerance to drought in domestic and wild watermelon genotypes. TÜBİTAK TBAG 107T613 Final report.
Kreft, S., Strukelj, B, Gaberscik, A., Kreft, I. (2002). Rutin in buckwheat herbs grown at different UV-B radiation levels: comparison of two UV spectrophotometric and an HPLC method. J. Exp. Bot., 53(375), 1801–1804. DOI: 10.1093/jxb/erf032
Ma, D., Sun, D., Wang, C., Ding, H., Qin, H., Hou, J., Huang, X., Xie, Y., Guo, T. (2017). Physiological responses and yield of wheat plants in the zinc-mediated alleviation of drought stress. Front. Plant Sci., 8, 860. DOI: 10.3389/fpls.2017.00860
McLaughlin, S.B., Wimmer, R. (1999). Tansley Review No. 104 – Calcium physiology terrestrial ecosystem processes. New Phytol. 142, 373–417.
Meru, G., Fu, Y., Leyva, D., Sarnoski, P., Yagiz, Y. (2018). Phenotypic relationships among oil, protein, fatty acid composition and seed size traits in Cucurbita pepo. Sci. Hortic., 233, 47–53. DOI: 10.1016/j.scienta.2018.01.030
Mir-Marqures, A.A., Domingo, A., Cervera, M.L., Guardia, M. (2015). Mineral profile of khaki fruits (Diospyros khaki L.). Food Chem., 172, 291–297. DOI: 10.1016/j.foodchem.2014.09.076
Murkovic, M., Hillebrand, A., Winkler, J., Leitner, E., Pfannhauser, W. (1996). Variability of fatty acid content in pumpkin seeds (Cucurbita pepo L.). Z. Lebensm.-Unters. Forsch., 203(3), 216–219.
Nayyar, H., Kaushal, S.K. (2002). Chilling-induced oxidative stress in germinating wheat grains as affected by water stress and calcium. Biol. Plant., 45(4), 601–604.
Paris, H.S. (1996). Summer squash: history, diversity, and distribution. HortTechnology, 6(1), 6–13.
Ramadan, M.F., Moersel, J.T. (2006). Screening of antiradical action of vegetable oils. J. Food Comp. Anal., 19, 838–842. DOI: 10.1016/j.jfca.2006.02.013
Rezaei, M., Abbasi, H. (2014). Foliar application of nano chelate and non-nanochelate of zinc on plant resistance physiological processes in cotton (Gossypium hirsutum L.). Iran J. Plant Physiol., 4, 1137–1144. DOI: 10.22034/ijpp.2014.540658
Seymen, M., Uslu, N., Türkmen, Ö., Juhaimi, F.A., Özcan M.M. (2016). Chemical Compositions and Mineral Contents of Some Hull-Less Pumpkin Seed and Oils. J. Am. Oil Chem., 93,1095–1099. DOI: 10.1007/s11746-016-2850-5
Seymen, M., Yavuz, D., Dursun, A., Kurtar, E.S., Türkmen, Ö. (2019). Identification of drought-tolerant pumpkin (Cucurbita pepo L.) genotypes associated with certain fruit characteristics, seed yield, and quality. Agric. Water Manag., 221, 150–159. DOI: 10.1016/j.agwat.2019.05.009
Skujins, S. (1998). Handbook for ICP-AES (Varıan-Vista). A short guide to vista series ICP-AES Operation. Varian Int.AGs¸Zug. Version 1.0. pp. 29. Switzerland
Stevenson, D.G., Eller, F.J., Wang, L., Jane, J.L., Wang, T., Inglett, G.E. (2007). Oil and tocopherol content and composition of pumpkin seed oil in 12 cultivars. J. Agric. Food Chem., 55, 4005–4013. DOI: 10.1021/jf0706979
Türkmen, Ö., Seymen, M., Fidan, S., Paksoy, M. (2016). Morphological Parameters and Selection of Turkish Edible Seed Pumpkins (Cucurbita pepo L.) Germplasm. Int. J. Biol. Biomol. Agric. Food Biotechnol. Eng., 10(5), 232–239.
Yavuz, D., Seymen, M., Yavuz, N., Türkmen, Ö. (2015). Effects of irrigation interval and quantity on the yield and quality of confectionary pumpkin grown under field conditions. Agric. Water Manag., 159, 290–298. DOI: 10.1016/j.agwat.2015.06.025

Published : 2020-06-29

Seymen, M., Dursun, A., Yavuz, D., Kurtar, E., Özbahçe, A., & Türkmen, Önder. (2020). EVALUATION OF SEED YIELD, OIL AND MINERAL CONTENTS INBRED PUMPKIN LINES (Cucurbita pepo L.) UNDER WATER STRESS. Acta Scientiarum Polonorum Hortorum Cultus, 19(3), 89-99. https://doi.org/10.24326/asphc.2020.3.8

Musa Seymen  mseymen@selcuk.edu.tr
Selcuk University, Horticulture Department of Agriculture Faculty, Konya, Turkey  Turkey
Atilla Dursun 
Atatürk University, Horticulture Department of Agriculture Faculty, Erzurum, Turkey  Turkey
Duran Yavuz 
Selcuk University, Irrigation Department of Agriculture Faculty, Konya, Turkey  Turkey
Ertan Sait Kurtar 
Selcuk University, Horticulture Department of Agriculture Faculty, Konya, Turkey  Turkey
Aynur Özbahçe 
Soil Fertilizer and Water Resources Central Research Institute, Ankara, Turkey  Turkey
Önder Türkmen 
Selcuk University, Horticulture Department of Agriculture Faculty, Konya, Turkey  Turkey

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.


Articles are made available under the CC BY-NC-ND 4.0 International (recognition by authorship, non-commercial use, no dependent works).
Submission of the paper implies that it has not been published previously, that it is not under consideration for publication elsewhere.

The author signs a statement of the originality of the work, the contribution of individuals, and source of funding.