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Sudha, A.
- Effect of Different Additives for the Production of Lignocellulolytic Enzymes (Liquid Medium) in Volvariella volvacea
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Authors
Affiliations
1 Department of Plant Pathology, Tamil Nadu Agricultural University, Coimbatore (T.N.), IN
2 Centre of Excellence for Millets, Athiyandal (T.N.), IN
1 Department of Plant Pathology, Tamil Nadu Agricultural University, Coimbatore (T.N.), IN
2 Centre of Excellence for Millets, Athiyandal (T.N.), IN
Source
International Journal of Plant Sciences, Vol 14, No 2 (2019), Pagination: 69-73Abstract
Among the additives liquid culture amended with calcium carbonate was found to be superior for the production of exo β-1,4 glucanase (17.51 μ mol of glucose/ml), endo β-1,4 glucanase (18.39 μ mol of glucose/ml), β-glucosidase (23.21μ mol of p-nitrophenol/ml), xylanase (0.26 μ mol of xylose/ml), laccase (0.17 OD change/min/ml) and polyphenol oxidase (0.24 OD change/min/ml). This was followed by horse gram powder (16.83; 17.54; 20.95; 0.21; 0.14 and 0.21), calcium carbonate + gypsum (16.28; 17.07; 20.66; 0.20; 0.13 and 0.20) as against 13.33; 15.48; 19.05; 0.17; 0.10 and 0.17 in non-amended medium (control).Keywords
Volvariella volvacea, Organic, Inorganic Additives, Enzyme Production, Liquid Medium.
References
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- A New Symptom Report in Mundu Chilli (Rainfed Chilli) (Capsicum Spp. L.) Caused by Colletotrichum capsici in Ramanathapuram District, Tamil Nadu
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Authors
A. Sudha
1
Affiliations
1 Department of Millets, Tamil Nadu Agricultural University, Coimbatore (T.N.), IN
1 Department of Millets, Tamil Nadu Agricultural University, Coimbatore (T.N.), IN
Source
International Journal of Plant Sciences, Vol 14, No 2 (2019), Pagination: 99-100Abstract
Colletotrichum is one of the most important plant pathogens worldwide causing the economically important disease anthracnose in a wide range of hosts including cereals, legumes, vegetables, perennial crops and tree fruits. Among these hosts, chilli (Capsicum spp.), an important economic crop worldwide, is severely infected by anthracnose which may cause yield losses of upto 50 per cent. Typical anthracnose symptoms on chilli fruit include sunken necrotic tissues, with concentric rings of acervuli (Manandhar et al., 1995). Fruits showing blemishes have reduced marketability. During March-April, 2012 very high disease incidence (upto 100% of plants) was observed in farmer’s fields in KannamangalamSaveriyarpuram village in Illayankudi block in Ramnad district.Keywords
Chilli Anthracnose, New Symptoms,white Fruit, Fruit Borer.References
- Chitkara, S., Singh, T. and Singh, D. (1990). Histopathology of Colletotrichum dematium infected chilli seeds. Acta. Botanica. Indica, 18 : 226.
- Manandhar, J.B., Hartman, G.L. and Wang, T.C. (1995). Anthracnose development on pepper fruits inoculated with Colletotrichum gloeosporioides. Plant Disease., 79 : 380.