Phoma herbarumCausing Leaf Spot of LargeheadAtractylodesin Central China

political economy of china in central asia

this research is about the political economy of china in central asia. in this research the political & economic interactions affected on chinas political economy in central asia are examined. chinas goal of presence in central asia including political-security, economic and energy goals is described in one part. in another part, the trade relations between china and central asian countries ar...

A leaf spot of figwort ( Scrophularia ningpoensis ) caused by Phoma sp

A leaf spot of figwort (Scrophularia ningpoensis) caused by Phoma sp. Abstract: Since 2006, a new disease caused by Phoma sp. has been identified on figwort (Scrophularia ningpoensis) in Hubei province, China. The pathogen was isolated from diseased S. ningpoensis leaves growing under field conditions, and attempts were made to identify it by cultural and morphological characteristics as well a...

Analysis of leaf appearance , leaf death and phoma leaf spot , 1 caused by Leptosphaeria maculans , on oilseed rape ( Brassica 2 napus ) cultivars

Mycosphaerella leaf spot diseases

By the end of the 1980s, black leaf streak disease caused by Mycosphaerella fijiensis was present in all continents where bananas or plantains were grown, although distribution in some regions was limited to a few countries. In this presentation, the spread of the disease during the 1990s in several countries and regions, and the important socio-economic consequences are discussed. From 1990 to...

Bacterial Leaf Spot of Alfalfa '

The bacterial leaf spot described here was first recognized on Turkestan and Grimm alfalfa (Medicago sativa L.) in two locations at Madison, Wis., in August 1930. The alfalfa in both instances was in cultivated experimental rows and had been repeatedly splashed bywatering with a garden hose. In October 1931 the disease recurred under similar circumstances at one of these locations, but with the...