Jisha2 1school of biosciences, mahatma gandhi university, kottayam, kerala, india. Chemical management of anthracnose of chilli capsicum. Ecofriendly management of anthracnose of chilli capsicum. Pcrbased detection and characterization of the fungal pathogens colletotrichum gloeosporioides and colletotrichum capsici causing anthracnose in papaya carica papaya l. Research paper antagonistic activities of trichoderma. Little information is known concerning the interactions of the species associated with the chilli anthracnose although several colletotrichum species have been reported as causal agents of chilli anthracnose disease worldwide. In the colletotrichum pathosystem, different colletotrichum species can be associated with anthracnose of the same host. Pembentukan aservulus dimulakan di bawah kulit biji bentkdan juga. A neighborjoining tree with a combined data set its, gapdh and tub2 were. For molecular identification random amplified polymorphic dna rapd primers.
The effect of six fungicides and five plant extracts was tested against anthracnose disease of chilli during winter season 20062007 at the laboratory and at the farm of sherebangla agricultural university, dhaka. Microscopic observations of detached leaves and fruit inoculated with a virulent pathotype f83b, revealed direct cuticle penetration and, intramural, endophytic and necrotrophic phases of. Integrated disease management of chilli slideshare. Untuk mengendalikan penyakit antraknosa colletotrichum capsici pada tanaman cabai besar. Management of fruit rot of chilli caused by colletotrichum. Discussion temperatures as well as other environmental factors influence the development of anthracnose of pepper. Large colletotruchum capsici rot on pacific pests and pathogens fact sheets capsicum chilli anthracnose 177. Introduction capsicum annuum chili is an important economic crop and widely consumed by the people in the worldwide. Colletotrichum gloeosporioides is the causal fungus not only in cashew, but many other fruit trees, such as mango, papaya, avocado, citrus, and so on.
There is varied range of chemical fungicides available in the market for controlling this pathogen, viz. Colletotrichum capsici can survive in and on seed as acervuli and. This paper reports the causal organism, its pathogenicityand mode ofinfection ofchilli by cercospom capsid, materials and methods an isolate of c. Sawant i s, narkar s p, shetty d s, upadhyay a, sawant s d, 2012.
Specifically, colletotrichum is an asexual genus belonging to phylum ascomycete and coeleomycetes class of fungi imperfectii dean et al. Field management of anthracnose of chilli capsicum annuum. Starting seven days after transplanting, plants in each plot were monitored for diseases. Pdf defence responses of chilli fruits to colletotrichum capsici and. Seedborneinfection and development of colletotrichum. All the treatments could effectively reduce the incidence, intensity and coefficient of disease index codex of anthracnose. Characterization and pathogenicity of colletotrichum. New crosses were made to combine superior sources of disease. Pdf pcrbased detection and characterization of the.
Turmeric is one of the major species cultivated for its underground. Effect of propiconazole and difenoconazole on the control. Colletotrichum mempunyai stroma yang terdiri dari massa miselium yang berbentuk aservulus, bersepta, panjang antara 3090. Chitosan is an antifungi from crab or shrimp shells. Effect of chitosan to control colletotrichum capsici on chili fruits in post harvest period was investigated. Effect of different ph levels, temperature, light intensity and media were tested against the growth of c. Glomerella is a genus of fungi that are symbionts to plants as endophytes living within the plant or phytopathogens. Note that on the fruit, second from left, the spot has turned black as the dark hairs of the fungus develop pacific pests and pathogens fact sheet capsicum anthracnose 177 common name capsicum anthracnose scientific name colletotrichum species, most often colletotrichum acutatum, colletotrichum capsici possibly the same as. Colletotrichum species cause anthracnose in diverse host plants such as fruitplants, vegetables and ornamentals. Anthracnose of chilli is one of most important disease causing great economic loss. Colletotrichum capsici, the asexual stage, consists of hooked shaped conidia produced from acervuli, a subepidermal fruiting body than et al.
Seed borne fungi of chilli pepper capsicum frutescens from pepper producing areas of benue state, nigeria ekhuemelo chigoziri and ebenezer jonathan ekefan. When grown on plates its colony morphology was observed to have white to grey, a dark green center, and dense, filamentous mycelium than et al. Anthracnose may cause yield losses up to 50 per cent. Chitosan is a polycation polyglucosamine the one component of fungi cell wall. Molecular and phenotypic characterization of colletotrichum species associated with anthracnose disease in peppers from sichuan province, china. Breeding for anthracnose disease resistance in chili. Potensi jamur endofit dalam mengendalikan penyakit. It occurs commonly on the stem and leaves of sugarcane plants in every sugarcane growing region, and. Colletotrichum capsici with the highest frequency of 54.
They consisted of 7 filamentous fungi and 7 yeast isolates. A severe disease was observed on pumpkin cucurbita moschata in beijing, china during 20092011. It has versatile uses in flavoring, dye making, drug preparation, cosmetics and medicine 2,3. First report of colletotrichum capsici causing anthracnose on grapes in maharashtra, india. Chilli anthracnose disease caused by colletotrichum species. Indonesian abstract tanaman cabai besar capsicum annum l. Pdf morphological and physiological characterization of. Colletotrichum capsici yang jelas di dalam dan di permukaan luar biji benih cili. The mycelial discs of 5 mm diameter, taken from the periphery of 10 days. Pdf invitro evaluation of chemical fungicides against. The pathogen continues to grow on the dead parts of the host tissues and perpetuates itself even in unfavorable conditions. Spores masses of colletotrichum acutatum on avocado. Hirisan microtome menunjukkan miselium didapati dalam lapisan luar dan dalam kulit dan dalam endosperma. Original assessment of colletotrichum capsici and c.
Molecular, phenotypic and pathogenic variability in. Colletotrichum capsici was initially described as vermicularia capsici syd. Colletotrichum truncatum pathosystem on capsicum spp. Colletotrichum capsici and management practices to reduce the fruit rot of chilli to achieve higher fruit yields. The investigation regarding variability and management of colletotrichum capsici the causal organism of chilli anthracnose was carried out during the year 2015. Materials and methods isolation of colletotrichum colletotrichum isolates were collected from anthracnose lesions on chilli fruits capsicum annuum in north. Seed borne fungi of chilli pepper capsicum frutescens. Colletotrichum species, showing light pink areas on the spots where spore masses have developed. Potensi jamur endofit dalam mengendalikan penyakit antraknosa colletotrichum capsici pada tanaman cabai capsicum annum dokumen yang terkait evaluasi kesesuaian lahan untuk tanaman cabai capsicum annum. Khoiri, imammul 2016 potensi daun mimba azadirachta indica a. Pdf a field screening under natural epiphytotics was conducted during september 2004 to march 2005 to identify the resistance sources to anthracnose. Colletotrichum capsici is an economically important anamorphic taxon that causes. Colletotrichum more than 40 fungal species known to affect the crop growth and fruit yield of chilli, more common species of colletotrichum those cause the anthracnose are c. Butler and bisby which is the most important disease of turmeric resulting corresponding author.
Fourteen isolates of test fungi were obtained from healthy red chilli fruits using serial dilution method, followed by pour plate method. Ripened chilli pods of twentyone chilli accessions were screened against both colletotrichum 5 spp. On the basis of morphological and cultural characteristics the pathogen was identified as c. Sydow, 19 in india and epitypified by shenoy et al. Pdf source of resistance to anthracnose colletotrichum capsici. Multiple colletotrichum species can infect a host plant genus. Anthracnose disease of chilli caused by colletotrichum capsici butl. Many of the species in this genus are plant pathogens, but some species may have a mutualistic relationship with hosts. However, based on multilocus analysis using five genes act, chs1, gapdh, his3, its. Characterization and pathogenicity of new record of anthracnose. In vitro control of colletotrichum capsici induced chilli anthracnose by fungicides and biocontrol agent linu m. The disease causes extensive loss to chilli crop by reducing its marketable yield from 10 to 80% in developing countries including india than et al. The causal agent was isolated from infected tissues, and its pathogenicity was confirmed. The anthracnose disease caused by colletotrichum species is wellknown.
Antagonist activities of different trichoderma strains were evaluated in vitro against colletotrichum capsici, a causal agent of anthracnose fruit rot of chili. Aloe vera, colletotrichum capsici, bacillus subtilis, antimicrobial, anthracnose disease. And capsicum frutescens family solanaceae india ranks first in export of chilies but is. Our studies have shown that temperature affects the growth rate of two species of colletotrichum somewhat differently, because the optimum growth rate was higher for c. Ten chili capsicum spp varieties were screened for resistance to anthracnose colletotrichum capsici in field experiments at two locations, alaba and maraqo. The pepper is original from america, mexico, guatemala. The anthracnose of chilli is one of the most devastating diseases. Pdf the induction of defence compounds and enzymes involved in the. The objective of this study was to identify and characterize colletotrichum species causing chilli anthracnose in thailand. Appropriate 20 ml quantity of each fungicide was separately dispensed in molten sterilized potato dextrose agar medium to make desired concentrations for each fungicide. Pepper treatments, most common diseases and pests of this vegetable the pepper capsicum annuum is a plant that occupies an important place amongthe worldwide vegetable crops. Upaya pengendalian jamur colletotrichum capsici s yd. Fungi colletotrichum capsici mempunyai konidiofor yang pendek dan konidia dibentuk dalam aservulus.
Antagonistic activities of trichoderma strains against chili anthracnose pathogen mohammad ahsanur rahman1, mohammad anowar razvy2. Colletotrichum capsici, by food poisoning technique. The disease cycle of the chili capsicum annuum anthracnose fungus colletotrichum truncatum formerly c. Assessing antimicrobial activity of aloe vera against. Colletotrichum capsici cii and ciii and one isolate of colletotrichum gloeosporoides civ from chilli. India is the largest grower, consumer and exporter of chilli, currently exporting dry chilli and chilli products to over 90 countries around the world singal, 1999. Chili anthracnose is one of the most devastating fungal diseases. In this situation, the quality and quantity of the chili must be maintained in order to fulfill the demand. Defence responses of chilli fruits to colletotrichum capsici and.
210 1498 1571 531 1515 1535 589 534 1364 1378 1088 406 1188 1496 1153 173 413 1503 1138 1378 1213 224 483 798 1114 251 1459 268 669 915 871 143 340 1111