In the 2013/14 season, stunted opium poppy (Papaver somniferum) plants with chlorotic distorted leaves, little or no necrosis and profuse abaxial sporulation were observed within commercial crops in Tasmania, Australia, for the first time. Affected plants also had strongly distorted stems. In the...

In April 2016, a new leaf spot disease was observed in a Chinese herb planting base of A. carmichaelii in Jiangyou, Sichuan, China. Thirty field-grown plants were surveyed, and 7% of the total number of leaves of 30 plants had lesions. Gray mycelium and conidia were visible on both leaf surfaces...

The paper presents the results of floristic and vegetation analyses of the landfill Supíkovice. Ruderal, segetal and meadow vegetation units were recorded in June 2015. The most interesting findings were threatened weed species growing in decontamination patches on loamy and nutrient-poor soils in...

We presented the results of study of the adventive tree species in urban flora of Rostov-on-Don (Russia). The taxonomic and typological structure of these species was determined and their ecological properties were investigated. We identified 147 species of woody adventive plants in urban flora of...

Opium poppy (Papaver somniferum) is cultivated for its pharmaceutically important alkaloids and seeds for culinary purposes. During mid to late January 2015 (mean temperature ∼15°C), typical downy mildew symptoms were observed on 2-month-old plants at CSIR-CIMAP research farm, Lucknow, Uttar...

Land use and land cover (LULC) patterns play an important role in the establishment and spread of invasive plants. Understanding LULC changes is useful for early detection and management of land-use change to reduce the spread of invasive species. The primary objective of this study is to analyze...

Pseudomonas syringae pv. phaseolicola, the causative agent of halo blight in common bean (Phaseolus vulgaris L.), was isolated from weeds associated with bean crops in Spain. The bacterium was recovered from Fumaria sp, Mercurialis annua, Solanum nigrum and Sonchus oleraceus. Ps. s. pv. ...

The compositions of neutral lipids (NL) and fatty acids (FA) from subterranean parts of the introduced plants Helleborus abchasicus and H. caucasicus (Ranunculaceae) were established and compared with those of the wild species. The FA from diacyl- and triacylglycerides and free FA from these...

Two newly naturalized herb species are reported in this paper. Fumaria parviflora Lam. (Papaveraceae) was found in an agriculture area of central Taiwan. Nelsonia canescens (Lam.) Spreng. (Acanthaceae) now well established and naturalized in central and southern Taiwan is an alien plant and a newly ...

The discovery of a perennial plant from the western coast of the USA in a small forest reserve on Malmøya in Oslo, Norway led to a closer scrutiny of the history of the forested area. Northern inside-out flower Vancouveria hexandra is a myrmecochorous plant belonging to the barberry family...