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News Update on Plant Pathology Research: June – 2019

June 27, 2019August 21, 2019 by Editor NetKumar

Principles of plant pathology.

This vital and well-produced book deals with general aspects of plant diseases, particularly those caused by fungi. The eighteen chapters embrace accounts of the importance, classification, and causes of plant diseases; the character, classification, growth, replica, genetics, and dissemination of plant pathogens; the impact of surroundings and nutrition on sickness development; plant quarantine; and also the management of plant diseases by cultural practices, chemical strategies, and also the use of resistant varieties. every section concludes with an inventory of hand-picked references, largely in English, whereas a 4-page appendix lists vital general books on plant pathology. There are author and subject indexes, associated an alphabetical list of the principal plant and microorganism pathogens mentioned within the text. [1]

Methods in plant pathology with special reference to breeding for disease resistance.

Most of the strategies delineate during this comprehensive book are utilized in the Res. Inst. Pl. Prot., Budapest. the first sect, on plant viruses. (19-113) deals with morphology and structure, biological activity, transmission, host-virus relations, genetics, language, taxonomy and management. The sect, on bacterium (117-233) discusses general characteristics and classification of plant unhealthful bacteria, sorts of symptoms, isolation and identification of the microorganism, vaccination tests to see the host vary, maintenance and preservation of cultures, serology, bacterio-phages, the fate of the microorganism within the plant, defence mechanisms against microorganism infection, unfold of the microorganism within the field and its management, arid associate appendix on some samples of microorganism diseases. within the phytology sect. (237-288) details are given of general characteristics of fungi, systematic phytology, isolation of phytopathogenic fungi, maintenance and different laboratory investigation strategies, media and equipment for grouping and sampling spores. half IV (291-320) deals with principles for breeding plants proof against fungi, as well as variability and specialization of pathogens, detection and identification of biotypes and races, infection processes, host resistance, strategies of artificial vaccination and determinant resistance. Typical plant diseases are delineate partially V (323-442). There are an intensive list (35pp.) and author and subject indexes. [2]

Epidemiology and plant disease management.

This book is meant for college kids UN agency have already taken a course in plant pathology and need to grasp a lot of concerning the behaviour of fungous plant diseases in sensible agriculture. half I deals with monocyclic processes, their relations in medical specialty processes, the surroundings of medical specialty processes and ecological ideas in plant pathology. partially II polycyclic processes ar mentioned, as well as host and infectious agent populations, pathosystems, malady and crop loss assessment, and matters of scale. The management of pathosystems is handled partially III and is taken into account as an area of crop management among the framework of existing agro-ecosystems. every section concludes with exercises for college kids. there’s a gloss, answers to the exercises, references, and author, subject, and infectious agent and malady indexes. [3]

Plant Pathology at the Rothamsted Experimental Station

A helpful report by C. Bawden from the Department of Plant Pathology and Section of organic chemistry (Rothamsted Experimental Station, Harpenden, 1947. Is. net) covering the years 1939— forty five provides associate degree informative outline of bound aspects of analysis in botany, virus diseases and connected organic chemistry issues. Before 1939, virus analysis during this Department addressed insect vectors, the microscopic anatomy of infected plants, purification of the virus, and also the chemical, physical and medical science properties of viruses. This work has been continued  ; however, additionally, a lot of field work on factors moving the speed of unfold of virus diseases in potato and sugar beet has been undertaken. Mycological work has been targeted mostly on the study of soil-borne fungi, the management of that constitutes a serious challenge to plant pathology. Ophiobolus graminis, Fusarium spp., fungus genus brassicce, Cercosporella herpotrichoides and Helicobasidium purpureum ar the disease-producing fungi that have received most attention. The Section of organic chemistry was established in 1940, beneath the direction of N. W. Pirie. it had been originally associate degree consequence of the Plant Pathology Department, however has currently become separate because the work has extended. Work on purification of virus extracts raised some issues with plant enzymes and different systems, that currently kind a vital theme of labor within the Section. Most of the revealed work of the Department and Section has been reviewed in these columns from time to time ; the collected accounts during this report are valuable to academics, informative  officers et al. World Health Organization need a outline of revealed literature, with associate degree overall digest of its significance. [4]

Characterization of Bacterial Isolates Associated with Postharvest Decay of Potato in Bangladesh

A study was conducted so as to assess the microorganism related to postharvest decay of cold storage potato. Rotten potatoes were collected from cold storage of Homna upazilla beneath Comilla district of Asian nation. The experiment was conducted within the MS Laboratory of Department of Plant Pathology, college of Agriculture, Sher-e-Bangla Agricultural University, Bangladesh. Four different microorganism (species) were isolated from the various rotten potato tubers exploitation normal bacteriologic analysis or normal dilution technique. The isolated microorganism were Pectobacterium carotovorum, Ralstonia solanacearum, genus Pseudomonas spp. and eubacterium spp. Among the microorganism isolated and known from rotten potatoes the very best frequency was found in Pectobacterium (46%) followed by Ralstonia (26%) and genus Pseudomonas (13.3%) and eubacterium (13.3%). microorganism were known supported morphological and organic chemistry tests. All the isolated microorganism showed positive results except eubacterium spp in potato soft putrefaction check. Pectobacterium, Ralstonia solanacearum and genus Pseudomonas spp. were unhealthful for storage potato whereas eubacterium spp. was probably a secondary small flora or organism that manifested as contaminants. [5]

Reference

[1] Stakman, E.C. and Harrar, J.G., 1957. Principles of plant pathology. Principles of plant pathology. (Web Link)

[2] Király, Z., Klement, Z., Solymosy, F. and Voros, J., 1970. Methods in plant pathology with special reference to breeding for disease resistance. Methods in plant pathology with special reference to breeding for disease resistance. (Web Link)

[3] Zadoks, J.C. and Schein, R.D., 1979. Epidemiology and plant disease management. Epidemiology and plant disease management. (Web Link)

[4] Plant Pathology at the Rothamsted Experimental Station

Naturevolume 161, page676 (1948) (Web Link)

[5] Tanni, S., Jahan, I., Roy, N., Modak, S., & Begum, S. (2019). Characterization of Bacterial Isolates Associated with Postharvest Decay of Potato in Bangladesh. Journal of Advances in Microbiology, 14(1), 1-9. (Web Link)

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