Plants infected with biotrophic fungal pathogens exhibit reduced photosynthetic rates, nutrient
mobilization towards infection sites and, in interactions where discrete pustules are formed…

… McRoberts & Franke (68) developed a more general approach that allows for incomplete …
population of N potential adopters, complete mixing models assume that all [N(N−1)]/2 ≈ N 2 /…

Crop pathogens and pests reduce the yield and quality of agricultural production. They cause
substantial economic losses and reduce food security at household, national and global …

… As the lesion expands, the amount of dpm reaching the point x +n is the sum of dpm produced
at points x, x +1 , x +2 ,…x +m (m≤n) and diffusing for distances s n =n, n−1, n−2,…n−m. If …

It is an ongoing challenge to develop and demonstrate management practices that increase
the sustainability of agricultural systems. Soil carbon and nitrogen dynamics directly affect …

The literature concerning relationships among different measures of plant disease intensity
is reviewed. Some previous confusion over the definition of the terms “incidence” and “…

The literature on the importance of plant pathogens sometimes emphasizes their possible
role in historical food shortages and even in famines. Aside from such major crises, plant …

Studies were conducted to investigate seed longevity, seedling emergence and seed production
of the weed Phalaris minor in wheat in northern India. The longevity of P. minor seeds …

Progress towards sustainability is hampered by differing perceptions of how to advance
goals in systems characterized by massive interdependency. Systems thinking has been …

… model which involves them handling n new pieces of information (eg, n new parameters or
new … We thank N. Grunwald and two anonymous reviewers for editorial input and many useful …