What the expert knows about the building bogies, termites and rot.

Phototyped.

A brief essay on the causes of dry-rot in public and private ships and its remedy.

Mode of access: Internet.

Comparative biochemistry of the decay of sweetgum sapwood by white-rot and brown-rot fungi /

Literature cited: p. 75-79.

Poria incrassata rot: prevention and control in buildings,

Bibliography: p. 24-27.

Die mundarten des Rot-tales (oa. Gaildorf) ...

"Literaturverzeichnis": p. viii.

I. Untersuchungen uber die Anderung der Quell- u. Keimfahigkeit harter Rot- und Weisskleesamen ; II. Berechnung von Qualitatskoeffizienten aus der mittleren chemischen Zusammensetzung und den mittleren Marktpreisen landwirtschaftlich wichtiger Futtermittel.

Thesis (doctoral)--Konigl. Christian-Albrechts-Universitat zu Kiel.

Utility of cotyledon and detached leaf assays for assessing root reactions of lucerne to Phytophthora root rot caused by Phytophthora medicaginis

Phytophthora root rot, caused by Phytophthora medicaginis, is a major limitation to lucerne production but it can be managed through the use of resistant cultivars. Current resistance screening methods, using mature plants or post-emergence seedling assays, are costly and time consuming. The use of zoospore inoculum on detached leaves and intact cotyledons as an assay for plant resistance was assessed using genetically defined segregating populations. The detached leaf assay was a reproducible test, but this test could not be used for accurately predicting root ratings. The cotyledon tests using zoospores gave results at the population level that were indicative of the root responses of 19 cultivars and lines tested. The cotyledon reaction of individual plants also showed a strong association with root response. The cotyledon test, while not completely predictive of mature root responses, allowed the selection of Phytophthora resistant plants at a higher frequency than could be achieved by random selection.

Rhizoctonia crown and root rot of the pasture legume, sulla (Hedysarum coronarium)

Rhizoctonia solani AG-2-2 was isolated from wilting and dying plants of sulla ( Hedysarum coronarium), which is currently being assessed in eastern and southern Australia for its potential as a pasture and forage legume. Infected plants in the field had extensive rotting of the taproot, lateral roots and crown. Koch's postulates were fulfilled using three inoculation methods. The disease may pose a considerable threat to the potential use of H. coronarium in the dryland, grazing farming systems of Australia, with resistance offering the most viable option for minimising its impact.

Methyl jasmonate induced gene expression in wheat delays symptom development by the crown rot pathogen Fusarium pseudograminearum

The necrotrophic fungal pathogen Fusarium pseudograminearum (F. pseudograminearum) causes crown rot disease (CR) in wheat. This host-pathogen interaction has not been studied previously at the molecular level. In this study. using real-time quantitative PCR, the expression of 26 selected wheat genes was examined 1, 2 and 4 days after inoculation of wheat seedlings of the CR susceptible cultivar Kennedy and the partially field-resistant cultivar Sunco. Reproducible induction of eight defence genes consisting of PR1.1, PR2 (beta,1-3 glucanase), PR3 (chitinase), PR4 (wheativin), PR5 (thaumatin-like protein). TaPERO (peroxidase), PR10 and TaGLP2a (germin-like) was observed. These genes were induced in both cultivars, however. some genes were induced more rapidly in Sunco than in Kennedy. MJ treatment also induced the above pathogen responsive defence genes in both cultivars while benzo(1,2,3)thiadiazole-7-carbothionic acid S-methyl ester (BTH) treatment weakly induced them in Kennedy only. Similarly. treatment with MJ before inoculation significantly delayed the development of necrotic symptoms for 2 weeks in both wheat cultivars, while BTH pre-treatments delayed symptom development in Kennedy only. The chemically induced protection, therefore, correlated with induction of the F. pseudograminearum-responsive genes. These results support the emerging role of jasmonate signalling in defence against necrotrophic fungal pathogens in monocots and future manipulation of this pathway may improve CR resistance in wheat. (c) 2006 Elsevier Ltd. All rights reserved.

Sysselsättningseffekter i svenska aktiebolag genererade av återinförandet av ROT-avdraget 2008 : En utvärdering med hjälp av syntetisk kontrollmetod

Målet med detta arbete är att utvärdera effekterna av ROT-avdraget som återinfördes i Sverige december 2008. ROT-avdragets syfte var att stimulera byggbranschen och öka byggandet i Sverige. Jag vill i detta arbeta undersöka vilka effekter återinförandet av ROT-avdraget hade på sysselsättningen inom byggbranschen i Sverige. De data som används kommer att behandla aktiebolag i Sverige och är insamlade från företagens bokföringar. En syntetisk kontrollmetod kommer att användas för analysen. Denna metod går ut på att skapa en syntetisk kontrollenhet som jämförs med den behandlade enheten, d.v.s. byggbranschen. I detta fall är det byggbranschen före och efter införandet av ROT-avdraget som kommer studeras. Resultaten tyder på att det skapats cirka 21 000 jobb genom återinförandet av ROT-avdraget.

Chemical control of tomato basal rot caused by Pythiuma phanidermatum

p.73-78

Rice-Infecting Pseudomonas Genomes Are Highly Accessorized and Harbor Multiple Putative Virulence Mechanisms to Cause Sheath Brown Rot

Sheath rot complex and seed discoloration in rice involve a number of pathogenic bacteria that cannot be associated with distinctive symptoms. These pathogens can easily travel on asymptomatic seeds and therefore represent a threat to rice cropping systems. Among the rice-infecting Pseudomonas, P. fuscovaginae has been associated with sheath brown rot disease in several rice growing areas around the world. The appearance of a similar Pseudomonas population, which here we named P. fuscovaginae-like, represents a perfect opportunity to understand common genomic features that can explain the infection mechanism in rice. We showed that the novel population is indeed closely related to P. fuscovaginae. A comparative genomics approach on eight rice-infecting Pseudomonas revealed heterogeneous genomes and a high number of strain-specific genes. The genomes of P. fuscovaginae-like harbor four secretion systems (Type I, II, III, and VI) and other important pathogenicity machinery that could probably facilitate rice colonization. We identified 123 core secreted proteins, most of which have strong signatures of positive selection suggesting functional adaptation. Transcript accumulation of putative pathogenicity-related genes during rice colonization revealed a concerted virulence mechanism. The study suggests that rice-infecting Pseudomonas causing sheath brown rot are intrinsically diverse and maintain a variable set of metabolic capabilities as a potential strategy to occupy a range of environments.