Effect of irrigation deficit on water relations, growth and physicochemical changes in Petunia (Petunia garandiflora) cultivars

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KAMALI MARYAM; SHOOR MAHMOUD; Nemati Seyyed Hossein; LAKZIAN AMIR; Khazaei Hamid Reza

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Journal: JOURNAL OF PLANT PROCESS AND FUNCTION Year:2018 | Volume:7 | Issue:23 Page(s): 283-295

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Title

Effect of irrigation deficit on water relations, growth and physicochemical changes in Petunia (Petunia garandiflora) cultivars

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Keywords

Antioxidant ActivityQ1

DroughtQ1

SpadQ1

Stomatal conductanceQ1

Abstract

Drought stress is one of the most important and most common environmental stresses limiting agricultural production. To evaluate the effect of different levels of irrigation deficit on some properties of three varieties of petunia, a factorial experiment based on completely randomized design with four replications was conducted in research greenhouse of Ferdowsi University of Mashhad. Treatments were irrigation deficit in four levels (100, 80, 60 and 40% of field capacity) and three varieties of petunia (Supercascade, Tango blue and Tango white). Traits included fresh weight of plant components, total dry weight, stem diameter, Spad, Antioxidant Activity, leaf weight ratio (LWR), leaf area ratio (LAR), Relative Water Loss (RWL), Water Saturation Defficient (WSD) and Leaf Water Content per unit leaf Area (LWCA). The results showed that with increasing Drought from control to severe stress (40% FC) Spad increased from 35. 4 to 42. 6. Percentage of Antioxidant Activity in Tango White and Tango Blue was more than Supercascade. the most leaf fresh weight was in Tango White and in control stress levels (6. 08 g) and 80% of field capacity (5. 9 g) and the maximum stems fresh weight (9. 7g/plant) and flower fresh weight (15. 1 g/plant) were observed in Tango White varity and control stress. the highest dry weight was observed in Tango White and 100% FC. LWR value in Supercascad, Tango Blue and Tango White were 0. 283, 0. 538 and 0. 496 respectively. WSD (72) and RWL (65%) in Supercascade varity and under severe stress (40% FC) with a significant effect was higher than other treatments. Generally, the results showed Tango White and Tango Blue varities, in control and also under water stress conditions had more fresh weight, dry weight and Antioxidant Activity and had WSD and RWL less than Supercascad and therefore, they are more resistant.

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APA: Copy

KAMALI, MARYAM, SHOOR, MAHMOUD, Nemati, Seyyed Hossein, LAKZIAN, AMIR, & Khazaei, Hamid Reza. (2018). Effect of irrigation deficit on water relations, growth and physicochemical changes in Petunia (Petunia garandiflora) cultivars. JOURNAL OF PLANT PROCESS AND FUNCTION, 7(23 ), 283-295. SID. https://sid.ir/paper/364105/en

Vancouver: Copy

KAMALI MARYAM, SHOOR MAHMOUD, Nemati Seyyed Hossein, LAKZIAN AMIR, Khazaei Hamid Reza. Effect of irrigation deficit on water relations, growth and physicochemical changes in Petunia (Petunia garandiflora) cultivars. JOURNAL OF PLANT PROCESS AND FUNCTION[Internet]. 2018;7(23 ):283-295. Available from: https://sid.ir/paper/364105/en

IEEE: Copy

MARYAM KAMALI, MAHMOUD SHOOR, Seyyed Hossein Nemati, AMIR LAKZIAN, and Hamid Reza Khazaei, “Effect of irrigation deficit on water relations, growth and physicochemical changes in Petunia (Petunia garandiflora) cultivars,” JOURNAL OF PLANT PROCESS AND FUNCTION, vol. 7, no. 23 , pp. 283–295, 2018, [Online]. Available: https://sid.ir/paper/364105/en

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