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Solanki, B. G.
- Survey and Occurrence of Different Diseases of Cotton in Cultivators' and Farmers Field under South Gujarat Condition
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Authors
Affiliations
1 Main Cotton Research Station (N.A.U.), Surat (Gujarat), IN
1 Main Cotton Research Station (N.A.U.), Surat (Gujarat), IN
Source
International Journal of Plant Sciences, Vol 11, No 2 (2016), Pagination: 278-281Abstract
Cotton (Gossypium hirsutum L.) is the world's leading food and fibre crop. Cotton recognized as "white gold" plays a pivotal role in the economy. In this experiment, different districts of South Gujarat were closely examined for various diseases in different cultivars. The cultivars susceptible to bacterial blight viz., Surat dwarf, LRA 5166 showed bacterial blight intensity to the tune of 15 and 30 per cent, respectively. Whereas, on other cultivars like G. Cot. Hy. 6 BG II and G. Cot. Hy. 8 BG II intensity was 0.2 per cent only. Alternaria incidence was also noticed in G. Cot. 100 in good proportion (10 to 12 %) while on other cultivars, it was negligible. Roving survey was conducted at Olpad, Bhadol, Takarma and Hansot, the bacterial leaf blight (BLB) was in the range 1 to 5 per cent whereas, Alternaria leaf blight (ALB) was in the range of 3 to 10 per cent.Keywords
Cotton, Intensity, Pest, Disease.References
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- Studies on Bacterial Blight of Cotton with Different Weather Parameters Under South Gujarat Condition
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Authors
Prashant B. Sandipan
1,
P. V. Patil
1,
R. D. Patel
1,
G. R. Bhanderi
1,
H. R. Desai
1,
B. G. Solanki
1
Affiliations
1 Main Cotton Research Station (N.A.U.), Surat (Gujarat), IN
1 Main Cotton Research Station (N.A.U.), Surat (Gujarat), IN
Source
International Journal of Plant Protection, Vol 9, No 2 (2016), Pagination: 547-550Abstract
Main objective of present study is to study the progress of the bacterial blight disease of cotton (BLB), caused by Xanthomonas campestris pv. malvacearum (Smith) dye, with relation to the environmental parameters. This is a common disease affecting the growth, development and yield of cotton. A field trial was conducted to determine the influence of environmental factors viz., rainfall periods, temperature and humidity on development of disease. Bacterial blight disease was recorded with its appearance and subsequently at weekly interval till it prevailed on G. Cot. Hy. 12. The result presented and indicates that the disease was first appeared in 36th Met. week (First week of September) with 1.37 per cent intensity and prevailed upto 48th Met. week i.e. last week of November (1.75 %) with its peak during 42nd week i.e. 2nd week of October (24.50 %).Keywords
Bacterial Blight, Epidemiological, Xanthomonas, campestris pv. malvacearum, Environmental Parameters, Correlation.References
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- Sandipan, B., Prashant, Desai, H.R. and Solanki, B.G. (2015). Role of environmental factors on the bacterial blight (BLB) disease of cotton caused by Xanthomonas campestris pv. malvacearum under South Gujarat condition. Bioscan, 10 (4): 1641-1644.
- Sharma, B.K. and Chauhan, M.S. (1985). Studies on the chemical control of foliar diseases of cotton in Haryana state. Agric. Sci. Digest., 5: 153-156.
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- Screening of Cotton Genotypes Against Salinity Stress Based on its Physiological and Biochemical Responses
Abstract Views :316 |
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Authors
Affiliations
1 Main Cotton Research Station (N.A.U.), Athwafarm, Surat (Gujarat), IN
1 Main Cotton Research Station (N.A.U.), Athwafarm, Surat (Gujarat), IN
Source
Agriculture Update, Vol 13, No 2 (2018), Pagination: 128-138Abstract
The experiment was carried to screened cotton genotypes for salinity tolerance in the kharif season of 2016-17. Eleven cotton genotypes were selected and grown upto squaring stage in different soil ratio of normal soil and saline soil after that leaf samples were collected and all the biochemical parameters were recorded for screening of cotton genotypes for salinity tolerance. Genotypes GISV-218 and G. Cot-16 showed highest relative water content in all the treatment. Genotypes G.Cot-16, GISV-218 and BC-68-2 showed highest membrane stability in normal soil condition where genotypes G. Cot -16, GISV-218 and 76-1H-20 were showed highest membrane stability (78.79%, 78.29% and 74.70%, respectively) in saline soil. Range of proline content was (0.23 to 0.56 mg/g of tissue) in normal soil condition and it was (0.75 to 1.35 mg/g of tissue) in saline soil condition. Highest glycine betaine content was found in G. Cot-16, GISV-218 and BC-68-2 in saline soil while lowest glycine betaine was found in GSHV-01/1338 and G.COT-10 in saline soil. Highest lipid peroxidation were showed by cotton genotypes Surat Dwarf and G. Cot-100 followed by G. Cot-10 and 76-1H-20. Highest surface wax was found in genotypes GISV-218, G.Cot-16 and BC-68-2. Highest total phenol content was found in GISV-218, G. Cot-16 and BC-68-2. Lowest total phenol content was found in G.Cot-10 and G.Cot-100. In all genotypes, total phenol content was increased as salinity increased. Highest peroxidise activity was found in GISV-218, G.Cot-16 and American nectriless while highest catalase activity was found in GISV-218 and Surat Dwarf in ratio of 1:2 (Normal soil: Saline soil). Lowest activity was found in LRA- 5166 and BC-68-2. Highest Superoxide dismutase activity was found in GISV-218 and Surat Dwarf in ratio of 1:2 (Normal soil: Saline soil). Lowest Na/K ratio was found in GISV-218 and G. Cot-16 in ischolar_main while lowest Na/K ratio was found in GISV-218, G. Cot-16 and American nectriless in shoot. Cotton genotypes GISV-218 and G.Cot-16 showed better performance in all the treatments so it might be salinity tolerance while G. Cot-100 and G. Cot-10 might be susceptible to salinity and rest of the genotypes might be moderately tolerant to salinity.Keywords
Salinity Tolerance, Cotton, Relative Water Content, Membrane Stability.References
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