[Status quo of and challenges for research on rust disease in medicinal plants].

Medicinal plants are beneficial to human health. However,most of the major producing regions of medicinal plants suffer from rust disease,which threatens the yield and quality of Chinese medicinal materials,thus causes huge economic loss,and hinders the sustainable development of the Chinese medicine industry. By the end of 2020,rust disease had been reported in medicinal plants of 76 species and 33 families.

[Species, Damage and Community Structure of Weeds in Scrophularia ningpoensis Fields in Nanchuan, Chongqing].

Objective: To investigate the damage and community structure of weeds in Scrophularia ningpoensis fields in Nanchuan, Chongqing.

Methods: From 2013 to 2014, an investigation was carried out by inverted W-9 point sampling method to study the weed species.

Results: 96 weed species belonged to 75 genera of 30 families were observed, including 18 species of Asteraceae weeds (accounted for 18.