| inhibition of conidial germination in colletotrichum falcatum went. | | 1965 | 4961071 |
| amylase and polyphenol oxidase production by germinating conidia of colletotrichum falcatum went. | | 1968 | 5643790 |
| effect of colchicine on colletotrichum falcatum went. | | 1966 | 5966473 |
| antifungal activity of chitinases produced by some fluorescent pseudomonads against colletotrichum falcatum went causing red rot disease in sugarcane. | chitinase production and growth of certain fluorescent pseudomonads isolated from sugarcane rhizosphere on different subtrates were studied. when chitin was substituted for glycerol in king's b medium, 3 of the 4 strains showed enhanced bacterial multiplication. bacterial cells grown on chitin-containing medium showed enhanced antifungal activity against colletotrichum falcatum went causing red rot disease in sugarcane. chitinase production was significantly higher when chitin was amended to kin ... | 2001 | 11297362 |
| organophosphorus derivatives containing piperazine dithiosemicarbazones as chemotherapeutants against fungal pathogens of sugarcane. | five novel organophosphorus derivatives have been synthesized by the reactions of o,o-diethylchlorophosphate with piperazine dithiosemicarbazones. the derivatives have been characterized on the basis of analyses and spectral (ir, 1h nmr) data. fungicidal activities of these derivatives against colletotrichum falcatum, fusarium oxysporum, and curvularia pallescence have been evaluated. the screening results have been correlated with the structural features of the tested compounds. organophosphoru ... | 2005 | 15769154 |
| potential of plant extracts in combination with bacterial antagonist treatment as biocontrol agent of red rot of sugarcane. | plant extracts and antifungal microorganisms were tested singly and in combination for biocontrol of sugarcane red rot disease (colletotrichum falcatum) using two sugarcane (saccharum officinarum l.) cultivars, coc671 and coc92061, in pot and field experiments. leaf extracts of abrus precatorius and bassia latifolia and the rhizome extract of curcuma longa reduced colletotrichum falcatum mycelial growth by 80%, 58%, and 57%, respectively. although sugarcane- planting materials (setts) treated in ... | 2007 | 17496967 |
| heterologous expression of new antifungal chitinase from wheat. | chitinases (ec 3.2.1.14) have been grouped into seven classes (class i-vii) on the basis of their structural properties. chitinases expressed during plant-microbe interaction are involved in defense responses of host plant against pathogens. in the present investigation, chitinase gene from wheat has been subcloned and overexpressed in escherichia coli bl-21 (de3). molecular phylogeny analyses of wheat chitinase indicated that it belongs to an acidic form of class vii chitinase (glycosyl hydrola ... | 2007 | 17697785 |
| agrobacterium tumefaciens-mediated transformation in colletotrichum falcatum and c. acutatum. | agrobacterium tumefaciens-mediated transformation (atmt) is becoming an effective system as an insertional mutagenesis tool in filamentous fungi. we developed and optimized atmt for two colletotrichum species, c. falcatum and c. acutatum, which are the causal agents of sugarcane red rot and pepper anthracnose, respectively. a. tumefaciens strain sk1044, carrying a hygromycin phosphotransferase gene (hph) and a green fluorescent protein (gfp) gene, was used to transform the conidia of these two c ... | 2008 | 18309266 |
| efficacy of organophosphorus derivatives containing chalcones/chalcone semicarbazones against fungal pathogens of sugarcane. | ten newly synthesized organophosphorus derivatives containing substituted chalcones and substituted chalcone semicarbazones were tested for their antifungal efficacy against colletotrichum falcatum, fusarium oxysporum, curvularia pallescens (all sugarcane pathogens). the o,o-diethylphosphate derivatives containing 2-chlorochalcone and 2-chlorochalcone semicarbazone exhibited 70-85% mycelial inhibition against all the test fungi at 1000 ppm. the screening results were correlated with structural f ... | 2002 | 18476009 |
| organophosphorus derivatives containing isatin-3-hydrazones as chemotherapeutants against fungal pathogens of sugarcane. | a total of 20 novel organophosphorus derivatives have been synthesized by the reactions of o,o-diethylchlorophosphate/thiophosphate with isatin-3-(substituted benzoic acid/phenoxy acetic acid hydrazones). the derivatives have been characterized on the basis of analysis and spectral (ir and (1)h and (13)c nmr) data. fungicidal activities of the derivatives against colletotrichum falcatum , fusarium oxysporum , and curvularia pallescence have been evaluated. the screening results have been correla ... | 2008 | 18954075 |
| the water-deficit stress- and red-rot-related genes in sugarcane. | sugarcane is an important international commodity as a valuable agricultural crop especially in developing countries. sequencing was carried out to generate >35,000 expressed sequence tags (ests) from healthy as well as red-rot-infected tissue of indian subtropical variety of sugarcane. subsequent clustering with existing sugarcane ests in public databases identified 4,087 clusters, including 85 clusters that preferentially express upon colletotrichum falcatum (red-rot) infection, which were pre ... | 2010 | 19809842 |
| isolation, characterization, and effect of fluorescent pseudomonads on micropropagated sugarcane. | in this study, we report on the isolation, identification, and characterization of seven fluorescent pseudomonads isolated from the roots, shoots, and rhizosphere soil of sugarcane and their impacts on the growth of sugarcane plantlets. 16s rrna gene sequence of five isolates showed close homology with pseudomonas putida, one with pseudomonas graminis, and one with pseudomonas fluorescens. physiological and biochemical characterizations were determined using api50ch and qts24 identification kits ... | 2009 | 19898541 |
| characterization of a phenazine and hexanoyl homoserine lactone producing pseudomonas aurantiaca strain pb-st2, isolated from sugarcane stem. | a novel strain of fluorescent pseudomonad (pb-st2) was isolated from surface-sterilized stems of sugarcane grown in pakistan. the bacterium was identified as pseudomonas aurantiaca on the basis of 16s rrna gene sequence analysis and results from physiological and biochemical characteristics carried out with api50 ch and qts 24 bacterial identification kits. assays using substrate specific media for enzymes revealed lipase and protease activities but cellulase, chitinase, or pectinase were not de ... | 2009 | 20075638 |
| antagonism of some aquatic hyphomycetes against plant pathogenic fungi. | the antagonistic activity of five aquatic hyphomycetes, viz., heliscus lugdunensis, tetrachaetum elegans, tetracladium breve, t. marchalianum, and t. nainitalense, against seven plant pathogenic fungi was studied using a dual culture technique. inhibitory activity of tested aquatic hyphomycetes was determined by measuring the radial growth of plant pathogenic fungi on dual culture plates. tetrachaetum elegans showed antagonistic activity against colletotrichum falcatum, fusarium oxysporum, pyric ... | 2010 | 20454756 |
| synthesis, spectral characterization and biological activity of zinc(ii) complexes with 3-substituted phenyl-4-amino-5-hydrazino-1, 2, 4-triazole schiff bases. | new zn(ii) complexes have been synthesized by the reactions of zinc(ii) acetate with schiff bases derived from 3-substituted phenyl-4-amino-5-hydrazino-1, 2, 4-triazole and benzaldehyde, 2-hydroxyacetophenone or indoline-2,3-dione. all these complexes are soluble in dmf and dmso; low molar conductance values indicate that they are non-electrolytes. elemental analyses suggest that the complexes have 1:1 stoichiometry of the type [znl(h(2)o)(2)], [znl'(oac)(2)(h(2)o)(2)] (l=dianionic schiff bases ... | 2012 | 22029966 |