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Effects of disease and environment on competitive interactions among wheat genotypes were investigated. Wheat genotypes (5) were grown in up to 6 diff...

A mathematical model of the dynamics of a virus disease in a perennial plant population was developed. The population was divided into healthy, latent...

Plants from 4 seed lines, developed on the basis of high or low seed wt and whether the seed came from wheat that was healthy or infected by mildew (E...

Reinfection of healthy replanted cocoa by cacao swollen shoot badnavirus, was modelled. Much of the spread of disease in pandemically diseased areas s...

Both the number of rice hills (clumps of tillering stalks from planted seedlings) and the density of vectors were divided into 3 categories: healthy, ...

The testing procedure currently used for assessing Ustilago scitaminea resistance in sugarcane varieties is empirical and leads to anomalies. Models f...

In greenhouse and field plot experiments, 15 oat lines selected from a natural population in Canberra were compared. Genotypes susceptible to P. coron...

In pot experiments, the growth of barley seedlings was significantly retarded by the presence of live rhizomes of Agropyron repens near their roots. D...

A comparison of stands of immature (15 yr old) Avicennia marina growing near a fluoride chemical installation and a relatively unpolluted area showed ...

Adults of Altica (Haltica) carduorum Guer. from France were released in 1969 and 1970 on Cirsium arvense (creeping thistle) at Silwood Park, Berkshire...