Population structure and mixed reproductive strategies in from single and multiple corn cultivars in Fujian Province, China.

is the pathogenic microorganism of southern corn leaf blight, a persistent biotic constraint responsible for substantial yield losses of corn worldwide. In the present study, 96 isolates from six representative fields growing single and multiple sweet corn cultivars in Pingnan, Fuqing, and Jian'ou in Fujian Province, which are characterized by different geographical characteristics and cropping patterns, were genetically analyzed using inter-simple sequence repeat (ISSR) markers to assess the impact of geographical origins and corn cultivars on population differentiation. isolates originated from diverse regions possessed higher genetic variety than those from single and multiple sweet corn cultivars.

First Report of Sanqi (Panax notoginseng) Root Rot Caused by Pythium vexans in China.

Sanqi (Panax notoginseng (Burk.) F. H.

Genetic Differentiation and Mixed Reproductive Strategies in the Northern Corn Leaf Blight Pathogen From Sweet Corn in Fujian Province, China.

The northern corn leaf blight (NCLB) pathogen (Luttrell) Leonard and Suggs is one of the main biotic constraints on sweet corn ( L.) yield and quality in Fujian Province, China. Currently, however, there is comparatively little information available regarding the distribution of mating types, population genetics, and reproductive strategies of this pathogen in Fujian.

[Biological effects of root exudates from resistant and susceptible banana varieties on f. sp. and ].

Root exudates of banana resistant variety ('Nantianhuang') and susceptible variety ('Guijiao No. 6') to Fusarium wilt were collected by bathing root system to examine the biological effects of root exudates from banana varieties on f. sp.

Characterization of Natural Isolates of Associated with Mating Types, Genetic Diversity, and Pathogenicity in Fujian Province, China.

Due to the natural destructiveness and persistence of the southern corn leaf blight (SCLB) fungus (Nisikado et Miyake) Shoem, the characterization of field isolates is essential to guide the rational distribution of resistant materials in corn-growing regions. In the present study, 102 field isolates collected from seven locations covering the entire region of Fujian Province, China, were assessed for mating type distribution, genetic diversity, and pathogenicity toward local sweet corn cultivars. Mating type detection via polymerase chain reaction indicated that 36.

Evaluating the Sensitivities and Efficacies of Fungicides with Different Modes of Action Against .

Asparagus stem blight caused by is a major hindrance to asparagus production worldwide. Currently, fungicides are used to manage the disease in commercial production, but resistance to common fungicides has emerged in the wild population. In the present study, 132 isolates of collected from different provinces in China were tested for sensitivities to pyraclostrobin, tebuconazole, and fluazinam.