scholarly journals Effect of Zinc and Bio Fertilizers on Antioxidant Enzymes Activity, Chlorophyll Content, Soluble Sugars and Proline in Triticale Under Salinity Condition

2016 ◽  
Vol 44 (1) ◽  
Author(s):  
Younes KHEIRIZADEH AROUGH ◽  
Raouf SEYED SHARIFI ◽  
Mohammad SEDGHI ◽  
Morteza BARMAKI
Keyword(s):  
Antioxidant Enzymes ◽  
Chlorophyll Content ◽  
Soluble Sugars ◽  
Enzymes Activity ◽  
Salinity Condition

scholarly journals Effect of Zinc and Bio Fertilizers on Antioxidant Enzymes Activity, Chlorophyll Content, Soluble Sugars and Proline in Triticale Under Salinity Condition

2016 ◽  
Vol 44 (1) ◽  
pp. 116-124 ◽  
Author(s):  
Younes KHEIRIZADEH AROUGH ◽  
Raouf SEYED SHARIFI ◽  
Mohammad SEDGHI ◽  
Morteza BARMAKI
Keyword(s):  
Zinc Oxide ◽  
Antioxidant Enzymes ◽  
Grain Yield ◽  
Chlorophyll Content ◽  
Block Design ◽  
Soluble Sugars ◽  
Enzymes Activity ◽  
Nano Zinc Oxide ◽  
Salinity Condition ◽  
Nano Zinc

In order to study the effects of bio fertilizers and zinc fertilizer on antioxidant enzymes activity, chlorophyll content, soluble sugars and proline in triticale under salinity condition, a factorial experiment was conducted based on randomized complete block design with three replications under greenhouse condition. Experiment factors were included salinity in four levels [no-salt (control or S0), salinity 20 (S1), 40 (S2) and 60 (S3) mM NaCl) equivalent of 1.85, 3.7 and 5.55 dS m−1 respectively], four bio fertilizers levels (no bio fertilizer (F0), application of mycorrhiza (F1), PGPR (F2), both application PGPR and mycorrhiza (F3) and three nano zinc oxide levels (without nano zinc oxide as control (Zn0), application of  0.4 (Zn1) and 0.8 (Zn2) g lit-1). Results showed that salinity severe stress (60 mM) decreased chlorophyll a, chlorophyll b, total chlorophyll, carotenoid and grain yield of triticale, whereas soluble sugars and proline content, the activities of Catalase (CAT), Peroxidase (POD) Polyphenol Oxidase (PPO) enzymes increased. Results showed that both application of bio fertilizer and 0.8 g lit-1 nano zinc oxide (F3Zn2) increased about 39% from grain yield in comparison with F0Zn0 under the highest salinity level. Based on the results, it was concluded that bio fertilizers and nano zinc oxide application can be recommended for profitable triticale production under salinity condition.

scholarly journals Response of Roses (Rosa hybrida L. ‘Herbert Stevens’) to Foliar Application of Polyamines on Root Development, Flowering, Photosynthetic Pigments, Antioxidant Enzymes Activity and NPK

2019 ◽  
Vol 9 (1) ◽  
Author(s):  
Fereshteh Yousefi ◽  
Zohreh Jabbarzadeh ◽  
Jafar Amiri ◽  
Mir Hassan Rasouli-Sadaghiani
Keyword(s):  
Antioxidant Enzymes ◽  
Chlorophyll Content ◽  
Root Length ◽  
Foliar Application ◽  
Dry Weight ◽  
Rosa Hybrida ◽  
Guaiacol Peroxidase ◽  
Flower Longevity ◽  
Nitrogen And Phosphorus ◽  
Enzymes Activity

Abstract The effect of foliar application of polyamines on roses (Rosa hybrida cv. ‘Herbert Stevens’) was investigated in a factorial experiment based on a completely randomized design with three replications in a greenhouse. Two factors were applied including polyamine type (putrescine, spermidine, and spermine) and polyamine concentration (0, 1, 2 and 4 mM). The recorded traits included root fresh and dry weight, root length, number of flowers, flower longevity, chlorophyll content, carotenoids, antioxidant enzymes activity (catalase, ascorbate peroxidase and guaiacol peroxidase) and some macronutrients such as nitrogen, phosphorus and potassium. The results showed that among polyamines, putrescine had the greatest effect on root dry weight; spermidine showed the greatest effect on root length, chlorophyll content, plant phosphorus and spermine affected root fresh weight and flower longevity most strongly. Polyamine concentration of 1 mM had the strongest effect on flower longevity, carotenoids, nitrogen and phosphorus content. The highest potassium rate was observed in treatments with the concentration of 4 mM. Polyamine treatments had no significant effect on the number of flowers per plant and antioxidant enzymes.

scholarly journals Action of ethylene on postharvest of summer squash ‘Menina Brasileira’

Revista CERES ◽  
2017 ◽  
Vol 64 (4) ◽  
pp. 360-367
Author(s):  
Fernanda Ferreira de Araújo ◽  
Lucas Cavalcante da Costa ◽  
Tania Pires da Silva ◽  
Mário Puiatti ◽  
Fernando Luiz Finger
Keyword(s):  
Weight Loss ◽  
Chlorophyll Content ◽  
Electrolyte Leakage ◽  
Soluble Sugars ◽  
Control Treatment ◽  
Ethylene Concentration ◽  
Malondialdehyde Content ◽  
Summer Squash ◽  
No Weight Loss ◽  
Exogenous Ethylene

ABSTRACT The purpose of this study was to evaluate the sensitivity and the physiological responses of summer squash ‘Menina Brasileira’ to ethylene. Immature fruits were harvested and placed in 20 L sealed buckets, in which ethylene was applied at concentrations of 0.1, 1.0, 10, 100, and 1000 μL L-1 for 24 h. Fruits were placed in buckets with no ethylene as a control treatment. Thereafter, the fruits were taken out of the buckets and maintained on bench, wherein on days 0, 2, 4, 6, and 8, they were evaluated regarding the accumulated fresh weight loss, soluble sugars, reducing and non-reducing sugars, starch, total chlorophyll, content of malondialdehyde, and electrolyte leakage. Fruits of summer squash ‘Menina Brasileira’ showed sensitivity to exogenous ethylene with no weight loss stimulation. Additionally, the fruits exhibited small changes in nutritional quality attributes and changes in the external fruit appearance, including decreased chlorophyll content as well as damage to cell membrane characterized by increase in malondialdehyde content and electrolyte leakage. These changes were stimulated by increasing exogenous ethylene concentration.

scholarly journals Early Weaning Affects Liver Antioxidant Function in Piglets

Animals ◽  
2021 ◽  
Vol 11 (9) ◽  
pp. 2679
Author(s):  
Lihuai Yu ◽  
Hongmin Li ◽  
Zhong Peng ◽  
Yuzhu Ge ◽  
Jun Liu ◽  
...  
Keyword(s):  
Gene Expression ◽  
Body Weight ◽  
Antioxidant Enzymes ◽  
Liver Weight ◽  
The Body ◽  
Early Weaning ◽  
Large White ◽  
Enzymes Activity ◽  
Antioxidant Function ◽  
The Impact

This study examined the impact of early weaning on antioxidant function in piglets. A total of 40 Duroc × Landrace × Large White, 21-day-old piglets (half male and half female) were divided into suckling groups (SG) and weaning groups (WG). Piglets in WG were weaned at the 21st day, while the piglets in SG continued to get breastfed. Eight piglets from each group were randomly selected and slaughtered at 24th-day (SG3, WG3) and 28th-day old (SG7, WG7). The body weight, liver index, hepatocyte morphology, antioxidant enzymes activity, gene expression of antioxidant enzymes, and Nrf2 signaling in the liver of piglets were measured. The results showed that weaning caused decreased body weight (p < 0.01), lower liver weight (p < 0.01), and decreased the liver organ index (p < 0.05) of piglets. The area and size of hepatocytes in the WG group was smaller than that in the SG group (p < 0.05). We also observed that weaning reduced the activity of superoxide dismutase (SOD) and catalase (CAT) (p < 0.05) in the liver of piglets. Relative to the SG3 group, the gene expression of GSH-Px in liver of WG3 was significantly reduced (p < 0.05). The gene expression of Nrf2 in the SG3 group was higher than that in the WG3 group (p < 0.01). The gene expression of NQO1 in the SG7 group was higher than that in the WG7 group (p < 0.05). In conclusion, weaning resulted in lower weight, slowed liver development, and reduced antioxidant enzymes activity, thereby impairing liver antioxidant function and suppressing piglet growth.

scholarly journals Effect Of Priming Of Seeds Of Medicago Sativa ‘Bami’ With Gibberellic Acid On Germination, Seedlings Growth And Antioxidant Enzymes Activity Under Salinity Stress

2014 ◽  
Vol 22 (2) ◽  
pp. 167-174 ◽  
Author(s):  
Omid Younesi ◽  
Ali Moradi
Keyword(s):  
Antioxidant Enzymes ◽  
Gibberellic Acid ◽  
Salinity Stress ◽  
Reductase Activity ◽  
Membrane Damage ◽  
Dry Weight ◽  
Guaiacol Peroxidase ◽  
Enzymes Activity ◽  
Mda Content ◽  
Glutathione Reductase Activity

AbstractThe experiment was conducted in order to study effects of seeds priming with gibberellic acid (GA3) at 0, 3, 5 and 8 mM on germination, growth and antioxidant enzymes activity in alfalfa seedlings under salinity stress (200 mM NaCl). All control seeds germinated. The rate of germinated seeds was reduced to 48% in the presence of NaCl, and increased to 76% after seeds priming with 5 mM GA3. Priming with 5 mM GA3 was also correlated with an increase of dry weight of seedlings derived from both stressed and non-stressed seeds as well as with the reduction of electrolyte leakage (EL) and malondialdehyde (MDA) level in salt stressed seedlings. The activity of superoxide dismutase, catalase, guaiacol peroxidase and ascorbate peroxidase in primed and non-primed seeds increased in the presence of NaCl and after priming of seeds with 5 mM GA3, whereas only small effect on glutathione reductase activity in both primed and non-primed seeds was observed. The total ascorbate level was higher in both stressed and non-stressed seedlings from primed seeds. These results suggest that GA3 priming might increase the salt tolerance of alfalfa seedlings through enhancing the activities of antioxidant enzymes and reducing the membrane damage as estimated using biomarkers, EL index and MDA content.

RETRACTED: Insecticide exposure affects DNA and antioxidant enzymes activity in honey bee species Apis florea and A. dorsata: Evidence from Punjab, Pakistan

2018 ◽  
Vol 635 ◽  
pp. 1292-1301 ◽  
Author(s):  
Khizar Hayat ◽  
Muhammad Afzal ◽  
Muhammad Anjum Aqueel ◽  
Sajjad Ali ◽  
Muhammad Farhan Saeed ◽  
...  
Keyword(s):  
Antioxidant Enzymes ◽  
Honey Bee ◽  
Apis Florea ◽  
Enzymes Activity ◽  
Insecticide Exposure
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