Effects of applied water and superabsorbent polymer on the growth index and yield in saffron

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Safari Zarch M.; Khajoei Nezad Gh.R.; MAGHSOUDI A.A.; MOHAMMADI NEJAD GH.

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Journal: Environmental Stresses in Crop Sciences Year:2020 | Volume:13 | Issue:3 Page(s): 903-914

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Title

Effects of applied water and superabsorbent polymer on the growth index and yield in saffron

Author(s)

Safari Zarch M. | Khajoei Nezad Gh.R. | MAGHSOUDI A.A. | MOHAMMADI NEJAD GH. | Issue Writer Certificate

Keywords

Drought stressQ1

Ionic leakageQ2

SaffronQ2

Vegetative growthQ2

Water requirementQ2

Abstract

Although Saffron is a low-yielding plant in terms of food and water needs, but its commercial value on the one hand and limited water resources on the other hand has caused the study of the effects of Drought stress on various components of this plant to be of particular importance in our country. A two-year field test in Yazd province was conducted to investigate the effect of different levels of water consumption and superabsorbent polymer on the growth and functional characteristics of Saffron. This experiment was performed in the form of a randomized complete block design and as a split-plot in 3 replications. The main plots consisted of three irrigation levels (50, 75 and 100% evapotranspiration, ET) and the sub-plots included three different levels of superabsorbent polymer at 10, 30 and 50 g/m2, in two consecutive methods and uniform distribution in experimental plots. Were applied. Finally, the effect of the main and secondary treatments on the desired indicators was investigated and compared with the control treatment (without the use of superabsorbent). The results showed that with increasing irrigation volume, number of flowers, dry weight of stigmas and total weight of buds increased but the rate of Ionic leakage decreased. In most cases, consuming 30 to 50 grams of superabsorbent in a uniform distribution on the ground or consuming 10 grams of superabsorbent in a row under planting rows had a better result compared to control and other treatments. There was a significant interaction between irrigation and superabsorbent treatment levels. In the absence of Drought stress, superabsorbent consumption, especially at 50 g/m2, reduced yield, but in severe Drought stress, the best results were obtained with 30 g/m2 superabsorbent. The use of superabsorbent in dry stress conditions with the aim of increasing the Saffron leaf water content is useful and recommended, but in non-stress conditions, it will be recommended.

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APA: Copy

Safari Zarch, M., Khajoei Nezad, Gh.R., MAGHSOUDI, A.A., & MOHAMMADI NEJAD, GH.. (2020). Effects of applied water and superabsorbent polymer on the growth index and yield in saffron. ENVIRONMENTAL STRESSES IN CROP SCIENCES, 13(3 ), 903-914. SID. https://sid.ir/paper/387781/en

Vancouver: Copy

Safari Zarch M., Khajoei Nezad Gh.R., MAGHSOUDI A.A., MOHAMMADI NEJAD GH.. Effects of applied water and superabsorbent polymer on the growth index and yield in saffron. ENVIRONMENTAL STRESSES IN CROP SCIENCES[Internet]. 2020;13(3 ):903-914. Available from: https://sid.ir/paper/387781/en

IEEE: Copy

M. Safari Zarch, Gh.R. Khajoei Nezad, A.A. MAGHSOUDI, and GH. MOHAMMADI NEJAD, “Effects of applied water and superabsorbent polymer on the growth index and yield in saffron,” ENVIRONMENTAL STRESSES IN CROP SCIENCES, vol. 13, no. 3 , pp. 903–914, 2020, [Online]. Available: https://sid.ir/paper/387781/en

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