Systemic Resistance in Chickpea (Cicer arietinum L.) Elicited by Some Biotic Inducers Against Root Diseases | ||||
| Journal of Scientific Research in Science | ||||
| Article 5, Volume 38, part 2 (Biological Sciences), January 2021, Page 83-115 PDF (653.95 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jsrs.2021.210679 | ||||
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| Authors | ||||
Ahmed K.A Mawad   1; Ehab A. D. Sarhan2; Hoda H. Abo-Ghalia3; Zeinab M. H. kheirallaa3
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| 1Botany Department., Faculty of Women for Arts, Science and Education., Ain Shams University, Egypt | ||||
| 2Plant Pathology Research Institute, Agricultural Research Center, 12619, Giza, Egypt. | ||||
| 3Botany Department, Faculty of Women for Arts, Science and Education, Ain Shams University, Egypt. | ||||
| Abstract | ||||
| The effect of seed treatment of chickpea (Cicer arietinum L.) with biotic inducers such as Trichoderma viride, Trichoderma harzianum, Pseudomonas fluorescens and Bacillus subtilis in contrast to the fungicide Rizolex-T, were evaluated in the greenhouse and under field conditions during the 2017/2018 season to control the plant disease caused by Fusarium oxysporum, Rhizoctonia solani, or Sclerotinia sclerotiorum, at Giza Agriculture Research Station, Agricultural Research Center, Giza Governorate, Egypt. The tested strains significantly inhibit the mycelial growth of the three tested fungi for pathogenic growth. Compared to the untreated control under greenhouse and field conditions, all the biotic inducer treatments tested significantly decreased the percentages of damping-off, root rot, stem rot and/or wilt diseases. It was noticed that Rizolex-T and (Trichoderma viride + Trichoderma harzianum) have reached the highest percentage of surviving plants followed by (Pseudomonas fluorescens + Bacillus subtilis), Trichoderma viride, Trichoderma harzianum, Bacillus subtilis, Pseudomonas fluorescens and Serratia marcescens, respectively. As well as all the treatments of the checked biocontrol agents increased the growth and yield parameters of chickpea significantly, i.e., plant hight, branches number per plant, pods number per plant, seeds number per plant, seeds weight per plant, 100 seeds weight, and chickpea yield ton/fed. In the presence of the three studied pathogens, defense-related enzyme activities (β-1,3 glucanase, peroxidase, and polyphenoloxidase) have also been determined in all chickpea plants treated with tested biotic inducers compared to untreated infested and non-infested control. The treatment of (Trichoderma harzianum + Trichoderma viride) showed the highest increase in phenol content and the activities of defense-related enzymes. | ||||
| Keywords | ||||
| Biotic inducers; chickpea; pathogenic fungi; plant diseases | ||||
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