Late blight ( Phytophthora infestans ) and early blight ( Alternaria solani ) are the most important diseases in potato cultivation. The control of these diseases depends largely on fungicide sprays during the growing season. Fungicides differ in their efficacy to control any pathogen. The use of effective fungicides is necessary for both the control of the disease and to avoid unnecessary sprays. Each active ingredient has it...

The world has become urban; cities increasingly shape our worldviews, relation to other species, and the large-scale, long-term decisions we make. Cities are nature, but they need to align better with other ecosystems to avoid accelerating climate change and loss of biodiversity. We need a science to guide urban development across the diverse realities of global cities. This need can be met, in part, by shifts in urban ecology...

Rationale Delta -9-tetrahydrocannabinol (THC), an active component of cannabis, can cause anxiety in some users during intoxication. Cannabidiol (CBD), another constituent of cannabis, has anxiolytic properties suggesting that cannabis products containing CBD in addition to THC may produce less anxiety than THC-only products. Findings to date around this issue have been inconclusive and could conceivably depend on moderating f...