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Sharma, Sushil
- Root Rot of Jatropha curcas Incited by Rhizoctonia bataticola in India
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Indian Forester, Vol 135, No 3 (2009), Pagination: 433-434Abstract
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- Studies on the Factors Affecting Pathogenicity of Root Rot Caused by Rhizoctonia bataticola in Jatropha curcas
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Indian Forester, Vol 136, No 6 (2010), Pagination: 736-741Abstract
The epidemiological factors viz. inoculum density, inoculum age, inoculum depth and soil moisture affected the ischolar_main rot development in Jatropha. The inoculum density of 20 g kg-1 soil resulted in 42.22 per cent pre emergence mortality (PEM) and 23.15 per cent post emergence mortality (POEM). The highest PEM (37.78 %) and POEM (21.48 %) were recorded in five days old culture. Inoculum depth at 5 cm induced 42.22 per cent and 30.55 per cent PEM and POEM, respectively. Irrigation schedule at 20 days interval showed maximum PEM (41.66 %) and POEM (34.92 %).Keywords
Root Rot, Jatropha curcas, Rhizoctonia bataticola, Inoculum, Soil Moisture- Management of Root Rot of Jatropha Caused by Rhizoctonia bataticola with Plant Growth Promoting Rhizobacteria
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Indian Forester, Vol 138, No 9 (2012), Pagination: 850-852Abstract
The ischolar_main rot of Jatropha caused by Rhizoctonia bataticola is an important disease. An experiment was conducted invitroand in vivoto evaluate the effect of plant growth promoting bacteria against R. bataticola. The study revealed that Pseudomonas fluorescens caused the maximum growth inhibition (48.9%) followed by Pseudomonas maltophilia (46.7%) and Bacillus subtilis (38.9%). The seed germination percentage improved substantially in all the treatments involving PGPRs. Among different co-inoculations of PGPRs and pathogen, minimum pre-emergence mortality (31.1%) and post-emergence mortality (9.7%) and maximum seedling survival (40.78%)was observed with P. fluorescens.Keywords
Root Rot, Rhizoctonia Bataticola, Growth Inhibition, Germination Percentage- Occurrence of Root Rot in Aegle marmelos - A New Host Record
Abstract Views :212 |
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Affiliations
1 Haryana Agricultural University, Regional Research Station, Bawal – 123 501, Rewari, Haryana, IN
1 Haryana Agricultural University, Regional Research Station, Bawal – 123 501, Rewari, Haryana, IN
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Indian Forester, Vol 140, No 2 (2014), Pagination: 203-204Abstract
no abstractReferences
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- First Record of Acanthophorus rugiceps (Colepotera: Cerambycidas) in the Root of Aegle marmelos in South West Haryana
Abstract Views :244 |
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Authors
Affiliations
1 Chaudhary Charan Singh Haryana Agricultural University, Regional Research Station, Bawal, Rewari, Haryana, IN
1 Chaudhary Charan Singh Haryana Agricultural University, Regional Research Station, Bawal, Rewari, Haryana, IN
Source
Indian Forester, Vol 141, No 8 (2015), Pagination: 866-868Abstract
Bael (Aegle marmelos Correa) is an important indigenous fruit tree of India. This medicinally important underutilized fruit is adequately rich in antioxidants and phytochemicals besides some essential nutritional components like vitamins, minerals and dietary fibres. The ischolar_main borer Acanthophorus rugiceps Gahan (Coleoptera : Cerambycidae) was found associated with the ischolar_mains of dried and dead bael trees. The infested ischolar_mains were found packed with sawdust formed as a result of feeding by the grubs and ischolar_mains were black in colour indicating association of some fungal pathogens. The mortality of bael trees was recorded to the tune of 6.6 per cent during 2012 and 5.3 per cent during 2013 in the orchard of CCS HAU Regional Research Station Bawal. The association of the soft grubs of A. rugiceps with almost all the ailing trees affirmed a definite role of the insects in the drying phenomenon.Keywords
Aegle marmelos, Drying, Mortality, Acanthophorus rugiceps.- Relationship of Edaphic Factors on the Pathogenicity of Root Rot of Bael Caused by Fusarium solani
Abstract Views :214 |
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Authors
Affiliations
1 Chaudhary Charan Singh Haryana Agricultural University, Regional Research Station, Bawal – 123501 (Rewari), Haryana, IN
1 Chaudhary Charan Singh Haryana Agricultural University, Regional Research Station, Bawal – 123501 (Rewari), Haryana, IN
Source
Indian Forester, Vol 142, No 5 (2016), Pagination: 502-506Abstract
An investigation to study the influence of edaphic factors on the pathogenicity of ischolar_main rot of bael caused by Fusarium solani showed that the seedling mortality increased with the increase in inoculum levels of either of the media i.e. PDB and wheat grains. The maximum mortality (26.25% pre-emergence and 38.50% post-emergence) in case of mycelial mat was observed in soil inoculated with 4 kg soil whereas in case of wheat grain culture, maximum mortality (28.00% pre-emergence and 40.25% post-emergence) was observed in soil inoculated with 40g kg-1 soil. The disease incidence was observed more on young seedlings and there was significant decrease in disease incidence with the increase in seedling age. Mortality of seedlings were maximum (46.25%) when 5 days old seedlings transplanted in wheat grain inoculated soil, whereas 40 days old seedlings showed 22.50 per cent disease incidence. The maximum pre (40.25%) and post (38.50%) emergence seedling mortality was observed when soil was inoculated at 5 cm depth. The highest incidence of seedling mortality (37.25% pre-emergence and 28.25% post-emergence) was recorded in treatments where soil was inoculated 48 hour before sowing of Bael seeds. The seedling mortality increased with the increase in moisture content. The incidence was highest (28.25% pre-emergence and 40.25% post-emergence) when the seedlings were irrigated twice a day and was least (19.00% pre-emergence and 30.00% post-emergence) when irrigation was applied at two days gap.Keywords
Edaphic Factor, Pathogenicity, Root Rot, Bael, Fusarium solani, Seedling.References
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- Kumar S. and Sharma S. (2010). Studies on factors affecting pathogenicity of ischolar_main rot caused by Rhizoctonia bataticola in Jatropha curcas. Indian Forester, 136: 736-741.
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- Sharma S., Pal R. and Kaushik J.C. (2003). Effect of potting mixtures, irrigation regimes and depth of sowing on seedling mortality of Prosopis cineraria caused by Fusarium solani. J. Mycol. Pl. Pathol., 33: 274-276.
- Sharma S. and Gaur R.K. (2014). Occurrence of ischolar_main rot in Aegle marmelos – a new host record. Indian Forester, 140: 203-204.
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