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Tewari, Rashmi
- Characterization of pseudomonas Savastanoi Pv. Glycinea, the Cause of Bacterial Blight in Soybean
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Authors
Affiliations
1 Department of Plant Pathology, G.B.Pant University of Agriculture and Technology, Pantnagar, Udham Singh nagar Uttarakhand, IN
2 Department of Plant Pathology, G.B.Pant University of Agriculture and Technology, Pantnagar, Udham Singh nagar Uttarakhand
1 Department of Plant Pathology, G.B.Pant University of Agriculture and Technology, Pantnagar, Udham Singh nagar Uttarakhand, IN
2 Department of Plant Pathology, G.B.Pant University of Agriculture and Technology, Pantnagar, Udham Singh nagar Uttarakhand
Source
International Journal of Plant Protection, Vol 6, No 1 (2013), Pagination: 27-31Abstract
Pseudomonas savastanoi pv. glycinea isolated from tan coloured spots on the cotyledons of soybean was gram negative, short rod , 0.6-0.8 ×1.2-30 μ, non spore former and motile by a single polar flagellum. King's B medium was best supporting for the growth of bacterium. Growth of the bacterium was maximum at temperature 25ºC and pH 6.8. The pathogen was unable to liquify gelatin and produced acid from glucose and sucrose but not from starch and was not able to produce gas from any of the carbon sources tested and also failed to hydrolyse starch and H2S production. Growth of the bacterial isolate was maximum in King's B medium supplemented with arabinose, ammonium sulphate and tryptophan.Keywords
Pseudomonas Savastanoi Pv. Glycinea, Bacterial Blight, Soybean- Bio-Intensive Management of Major Soil Borne Diseases of Tomato In Uttarakhand
Abstract Views :236 |
PDF Views:217
Authors
Affiliations
1 Department of Plant Pathology, College of Agriculture, G. B. Pant University of Agriculture & Technology, Pantnagar – 263145, IN
1 Department of Plant Pathology, College of Agriculture, G. B. Pant University of Agriculture & Technology, Pantnagar – 263145, IN
Source
Journal of Biological Control, Vol 33, No 4 (2019), Pagination: 353-359Abstract
A glasshouse and field experiments were conducted by using Trichoderma harzianum (Th 43), Pseudomonas spp. (Pf 173) and Jas Mycorrhizal (AMF) for plant growth promotion and management of ischolar_main rot and wilt disease of tomato. There were eight treatment combinations for glass house as well as field experiment. In glasshouse, maximum germination (91%), shoot and ischolar_main length (40.83 cm, 9.79 cm), fresh and dry shoot weight (152.00 g, 28.38 g), fresh and dry ischolar_main weight (9.33 g, 3.90 g), plant vigour index (4301.45) respectively was recorded in treatment combination of Th 43 + Pf 173 + AMF. In experimental field, maximum reduction of disease over control (72.16%) was found in treatment combination of T. harzianum (Th 43) + Pseudomonas spp. (Pf 173) + Jas Mycorrhiza (AMF). The maximum yield of tomato (486.70 q/ha) was also recorded in same treatment combination.Keywords
Growth Promotion, Jas Mycorrhizal, Pseudomonas spp., Trichoderma harzianumReferences
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