Heba M. Hewait

ORCID: 0000-0002-7865-785X
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About
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Research Areas
  • Plant-Microbe Interactions and Immunity
  • Legume Nitrogen Fixing Symbiosis
  • Nematode management and characterization studies
  • Plant Growth Enhancement Techniques
  • Plant Genetic and Mutation Studies
  • Enzyme Production and Characterization
  • Agronomic Practices and Intercropping Systems
  • Mycorrhizal Fungi and Plant Interactions
  • Plant Disease Management Techniques
  • Agricultural Science and Fertilization
  • Soybean genetics and cultivation
  • Banana Cultivation and Research
  • Plant Pathogens and Fungal Diseases
  • Mycotoxins in Agriculture and Food

Agricultural Research Center
2016-2023

Formation of biofilm under varying stress conditions is a significant strategy adopted by bacterial strains for their successful survival in plant rhizosphere. In this study, the activity formation 20 isolates and growth promoting rhizobacteria (PGPR) was determined different salt concentrations. The results indicated that all PGPRs have 0.0, 250, 500 or 1000 mM NaCl which increased with increasing concentration. PGPR highest were selected used to coat barley grains. coated grains sown...

10.1016/j.aoas.2016.07.003 article EN cc-by-nc-nd Annals of Agricultural Sciences 2016-09-10

Tomatoes are an important agricultural product because they contain high concentrations of bioactive substances, such as folate, ascorbate, polyphenols, and carotenoids, well many other essential elements. As a result, tomatoes thought to be extremely beneficial human health. Chemical fertilizers insecticides routinely utilized maximize tomato production. In this context, microbial inoculations, particularly those containing PGPR, may in place chemical pesticides. study, we investigated the...

10.3390/plants11202732 article EN cc-by Plants 2022-10-15

Integrated biofertilizers such as Plant Growth-Promoting Rhizobacteria (PGPRs), cyanobacteria, and yeast can considerably improve the growth, integrity, overall health of crops, including cowpea. In this study, we assess benefits applying microbial fertilizers an eco-friendly approach to partially substitute chemical while maintaining growth yield characteristics in cowpea plants. We investigated role three microorganisms, Bacillus amyloliquefacien (B), Nostoc mucorum (C), Saccharomyces...

10.3390/su15097599 article EN Sustainability 2023-05-05

Brown stem rot (BSR) [Phialophora gregata (Allington & Chamberlain) Gams.] is a widespread and significant disease in all over world's soybean-growing regions.In isolation trials, eight isolates associated to soybean symptoms were collected from various governorates Egypt.All the tested could attack plants of cv.Giza 22 variety cause brown rot.The results pathogenicity tests showed that isolate Mallawi Minia governorate was most virulent isolate.The identified as Phialophora...

10.21608/ejp.2023.196335.1087 article EN Egyptian Journal of Phytopathology 2023-06-23

Gamma rays are known to induce random mutations, which used enhance the production of biofilms in bacteria. Therefore, improve activity biofilm formation wild Bacillus amyloliquefaciens (HM6), this bacterial strain was mutated using five doses gamma irradiation. Sixteen mutants and their B. (HM6) were tested for under two different (250 350 mM) NaCl concentrations. Only six exhibited a significant increase mM NaCl. Inoculation salt-stressed Giza123 barley seedlings with (M1 M7), showed...

10.3906/bot-1711-29 article EN TURKISH JOURNAL OF BOTANY 2018-11-22

Two factorial experiments in split plot design were carried out during the two successive growing seasons of 2018/2019 and 2019/2020 at Soils, Water, Environ. Res. Inst. Farm Sahl El-Tina Agric. Station, Port Saied Governorate, Agric., Center, Egypt to investigate effects some plant growth promoters (PGPs) (Azospirillum lipoferum, Azotobacter chroococcum, Bacillus subtilis, polymyxa) alone or with different organic substances (compost (Com) 4 ton/fed, ascorbic acid (AsA), compound amino...

10.21608/sjhr.2024.257562.1002 article EN Deleted Journal 2023-10-01
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