Research Paper
Increase of growth parameters, pigmentation and some primary compounds in Lepidium sativum L. seedlings under salinity stress using β-carotene and Gallic acid

Marziyeh Babaei; leila shabani; SHahla Hashemi Shahraki

Volume 34, Issue 4 , January 2022, Pages 6-23

https://doi.org/10.22051/jab.2021.35235.1410

Abstract
  Plants pre-treatment with various chemicals has often been used to diminish salinity stress impact on plants. In the present study, we used foliar spray of two antioxidant compounds (β -carotene and gallic acid) before the stress, to study interactive effect of antioxidants and salinity stress in ...  Read More

Research Paper
The effect of fertile biofertilizer 2 and potassium phosphate on the development of vegetative and reproductive organs of Arabidopsis thaliana L

Elham Basiri; Sayeh Jafari Marandi; Sedighe Arbabian; Ahmad Majd; Mohammad Ali Malboobi

Volume 34, Issue 4 , January 2022, Pages 24-49

https://doi.org/10.22051/jab.2021.35853.1417

Abstract
  Phosphate fixation by chemical fertilizers, in addition to being costly, carries environmental risks. Today, fertile phosphate biofertilizer 2 contains two types of phosphate-solubilizing bacteria, decomposes insoluble phosphorus compounds and thus absorbable for the plant. The aim of this study was ...  Read More

Research Paper
Application of humic acid on improving the vegetative and reproductive growth of pistachio cultivar Akbari

zahra pakkish; hadi asghari; soheila mohammadrezakhani

Volume 34, Issue 4 , January 2022, Pages 50-67

https://doi.org/10.22051/jab.2021.33511.1385

Abstract
  The use of chemical compounds to increase and maintain vegetative and reproductive growth in horticultural products has become common. Humic acid is an organic substance that stimulates growth due to the release of nutrients. In this study, the effect of humic acid with concentrations of 50 and 100 mg/L ...  Read More

Research Paper Biotechnology
Investigation of effective factors on optimization of biopolymer production of polyhydroxybutyrate-co-valerate (PHBV) by Plackett–Burman method and optimization of productivity by high cell density technique

Neda Sinaei; Davood Zare; Mehrdad Azin

Volume 34, Issue 4 , January 2022, Pages 68-93

https://doi.org/10.22051/jab.2021.36286.1423

Abstract
  Polyhydroxy alkanoates are biodegradable and biocompatible polymers produced by a wide range of bacterial strains. In the present study, the natural strain of Bacillus cereus producing polyhydroxybutyrate-co-valerate (PHBV) copolymer with high productivity isolated from starch effluent was used. In order ...  Read More

Research Paper
Study of allelopathic effect of aqueous extract of various organs of Fumaria parviflora on morphological, physiological and biochemical charateractics of Lolium rigidum

abdollah Ataei; Ebrahim Gholamalipour Alamdari; Zeinab Avarseji; Ali Rahemi Karizaki

Volume 34, Issue 4 , January 2022, Pages 94-112

https://doi.org/10.22051/jab.2020.25876.1296

Abstract
  The purpose of this study, allelopathic potential assessment of aqueous extract of root, stem, leaf and flower organ of Fumaria parviflora weed on morpho-physiological and biochemical characteractics of Lolium rigidum seedling in hydroponic culture. First, 5% suspension was prepared separately from the ...  Read More

Research Paper
Evaluation of heritability for oil and protein contents of sesame (Sesamum indicum L.) lines under different irrigation regimes and mycorrhizal fungi

Esmaeil Gholinezhad; Reza Darvishzadeh; abbas abhari

Volume 34, Issue 4 , January 2022, Pages 113-132

https://doi.org/10.22051/jab.2021.36288.1422

Abstract
  In order to investigate the genetic diversity and the heritability of oil and protein content of seed in lines of sesame under different irrigation regimes and mycorrhizal fungi, 8 lines of sesame were studied in three separate experiments as factorial split plot layout based on a randomized block complete ...  Read More

Research Paper
Study of effective factors on biological removal of uranium by live microalgae Chlorella vulgaris

Parisa Mohammadi; Nora javanmardy; Parisa Tajer Mohammad Ghazvini

Volume 34, Issue 4 , January 2022, Pages 133-147

https://doi.org/10.22051/jab.2021.36140.1420

Abstract
  Today bioremediation by microalga is an effective method to remove radionuclides and heavy metals from wastewater. Bioremediation of radionuclides and heavy metals is an efficient method of treating heavy metal contaminated effluents. In this study, the bioremediation of uranium from aqueous solutions ...  Read More

Research Paper
Effect of Bacillus thuringiensis var. kurstaki in combination with neemarin and silica nanoparticles in the control of second instar larvae of sugar beet, Spodoptera exigua Hb. (Lep.: Noctuidae) in laboratory condition

Majid Alimohamadian; Shahram Aramideh; Shahram Mirfakhraie; Maryam Frozan

Volume 34, Issue 4 , January 2022, Pages 148-163

https://doi.org/10.22051/jab.2021.36005.1418

Abstract
  Bacillus thuringiensis var. kurstaki (Btk)is used for control of sugar beet army worm larvae, Spodoptera exigua Hb. in large-scale. Using high doses for more effective control increases the likelihood of developing resistance. The use of plant and physical compounds with this bacterium as an effective ...  Read More

Research Paper
Effect of seed pretreatment with carbon nanotubes on growth performance of two wild pistachio species (P .khinjuk Stocks & Pistacia atlantica Desf)

Fahimeh Mohammadpour; Farhad Ghasemi Aghbash; Mehrdad Zarafshar; Ehsan Ghanbary

Volume 34, Issue 4 , January 2022, Pages 164-179

https://doi.org/10.22051/jab.2021.34549.1399

Abstract
  The purpose of the current study was to investigate the effect of carbon nanotubes on morphological traits of two wild pistachio species and compare them with common treatments including cold and acid sulfuric 65% in a completely randomized design with eight treatments and 10 replicates. The results ...  Read More

Research Paper
Isolation and identification of L-asparaginase-producing endophytic fungi from Salvia nemorosa L.

Samaneh Narimani; Mostafa Ebadi; Mohammad Pazhang; Saeid Mollaei

Volume 34, Issue 4 , January 2022, Pages 180-194

https://doi.org/10.22051/jab.2021.36847.1433

Abstract
  L-asparaginase is an enzyme that catalyzes the hydrolysis of asparagine into aspartic acid and ammonia and is one of the most important enzymes in the pharmaceutical and food industries. The goal of this study was the isolation and identification of asparaginase producing endophytic fungi from Salvia ...  Read More