The morphophysiological responses of Physalis alkekengi to foliar applications of amino acids under drought stress conditions

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Saremi Sirous; Gholipoor Manouchehr; ABBASDOKHT HAMID; NAGHDIBADI HASSANALI; Mehrafrin Ali; Asghari Hamidreza

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Journal: HORTICULTURAL PLANT NUTRITION Year:2020 | Volume:3 | Issue:2 Page(s): 71-86

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Title

The morphophysiological responses of Physalis alkekengi to foliar applications of amino acids under drought stress conditions

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Keywords

Physalis alkekengi L.

Drought stress

Foliar application

Amino acids

The morphophysiological responses

Abstract

Introduction: Currently, global Drought stress has led to a decline in performance more than any other living or non-living factor. Weather forecasts are expected to intensify drought and increase droughts shortly (Heffernan, 2013). Drought is one of the most important non-biological stresses and a limiting factor in the successful production of plant products around the world and has adverse effects on plant growth and other metabolic processes (Yordanov and Tsoev, 2000) and time in The plant occurs to have a higher transpiration rate than the amount of water absorption (Wou and Zhou, 2009). Biological stimuli originate from natural and biological resources and in small amounts can improve plant growth and development. These compounds improve the efficiency of nutrients or structural and functional characteristics of the soil and thus increase plant growth. Biological stimuli are classified into eight groups: humic substances, organic matter complexes, useful chemical elements, inorganic salts such as phosphite, marine algae extracts, chitin and chitosan derivatives, antiperspirants and Amino acids or nitrogenous compounds (Calvo et al., 2014). There is considerable evidence that the use of many protein and non-protein Amino acids such as glutamate, histidine, proline, and glycine betaine can protect plants from environmental stresses or activate metabolic signaling. Also, many non-protein Amino acids are involved in plant defense activity (Liang et al., 2013). Material and methods: These experiments were performed in a three replicated-split plot factorial arranged in randomized complete block design with three Drought stress levels ((I0) (no-stress) I1 (moderate stress) I2 (severe stress)) in the main plots and Foliar application of different Amino acids (Tyrosin, Argenin, Tryptophan, Glycine and without Foliar application as control treatments) in subplots. This study was carried out during 2017-2018. During the sampling, three replications were taken from each treatment and three samples were taken from each iteration. This study stimulated plant height, number of fruit, total dry matter, SPAD, chlorophyll a (CHLa), chlorophyll b (CHLb), total chlorophyll (CHLt), and carotenoids. To determine the content of chlorophyll and carotenoids before the end of the growing season, sampling of plant leaves was performed. Analysis of variance and mean comparisons of data (at a 5% probability level based on LSD test) were performed using SAS software (Ver. 9. 4). MS Excel was also used to plot the diagrams. Results and discussion: The results indicated that Drought stress had significantly affect (p ≤ 0. 01) on all traits except SPAD, and also Foliar application of Amino acids was significant in all traits. Interaction effects CHLb, CHLt, and carotenoids was significant. The highest amount of plant height, number of fruits, fruit dry weight, total dry matter, and SPAD obtained from control (no Drought stress) and the highest amount of CHLa, CHLb, and CHLt, shown in moderate stress and finally, Severe drought had the Lowest amount of all treatments. Besides, the most number of fruit, fruit dry matter, and CHLa, CHLb, CHLt was in the Foliar application of Arginine, and plant height and carotenoids and total dry matter and SPAD were in glycerin and Tyrosin respectively. Fruit dry matter is the main index of assessment and increased by argenin application by 39. 8 percent than control. Furthermore, nonFoliar application (control) had the lowest amount in all traits. Conclusions: in general, Biostimulants application improved the vegetative and morphophysiological characteristics and caused a reduction in chemical fertilizer consumption and sustainable agriculture progress.

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APA: Copy

Saremi, Sirous, Gholipoor, Manouchehr, ABBASDOKHT, HAMID, NAGHDIBADI, HASSANALI, Mehrafrin, Ali, & Asghari, Hamidreza. (2020). The morphophysiological responses of Physalis alkekengi to foliar applications of amino acids under drought stress conditions. HORTICULTURAL PLANT NUTRITION, 3(2 ), 71-86. SID. https://sid.ir/paper/401592/en

Vancouver: Copy

Saremi Sirous, Gholipoor Manouchehr, ABBASDOKHT HAMID, NAGHDIBADI HASSANALI, Mehrafrin Ali, Asghari Hamidreza. The morphophysiological responses of Physalis alkekengi to foliar applications of amino acids under drought stress conditions. HORTICULTURAL PLANT NUTRITION[Internet]. 2020;3(2 ):71-86. Available from: https://sid.ir/paper/401592/en

IEEE: Copy

Sirous Saremi, Manouchehr Gholipoor, HAMID ABBASDOKHT, HASSANALI NAGHDIBADI, Ali Mehrafrin, and Hamidreza Asghari, “The morphophysiological responses of Physalis alkekengi to foliar applications of amino acids under drought stress conditions,” HORTICULTURAL PLANT NUTRITION, vol. 3, no. 2 , pp. 71–86, 2020, [Online]. Available: https://sid.ir/paper/401592/en

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