Symptoms mainly affected the leaves. The leaves were scattered with gray and irregular spots. After expansion, the size was 2-5mm, the middle was light brown, and the surrounding was dark brown. The boundaries between the disease and the health department were obvious, and the latter lesions were dry and black spots appeared. The pathogenic ascus capsule.
The pathogen Mycosphaerella sojae Hori is called Soybean sphere-like fungus, belonging to the genus Ascomycete. Ascosi capsules dark brown, spherical to nearly spherical, near surface, shell wall membranous, with orifice, size 70-130μm, ascendant bundle in ascaria shell, cylindrical to clavate, size 35-738-13 (μm ), No side filaments, 8 ascospores contained in the ascus, arranged in double rows, ascospores colorless, spindle to spindle, with a diaphragm, slightly contracted at the diaphragm, size 13-234-9 (μm) . Foreign reports of M.cruenta (Sacc.) Lath and M.phaseo10rum Siemszko.
Transmission Pathways and Pathogenic Conditions The pathogenic bacteria in the diseased tissue of the ascus shell became the source of infestation early in the year. The disease mostly occurred in the later period of childbirth, leading to early defoliation and severe disease in individual years.
Prevention and control methods (1) Dispose of the diseased body promptly after harvest, and concentrate deeply or burn it. (2) More than 3 years of rotation. (3) Selection of fine varieties such as Cen Nong No. 8 and Xiao Han Wang and other excellent soybean varieties. In addition, Zhonghuang No.2, No.3, No.4 and Jiufeng No.3 can also be popularized and applied.
Our company mainly processes and exports Ginger, which is processed and sold throughout the year. The specifications are: 50g, 150g, 200g, 250g, 300g, 350g.The packages are calcium plastic boxes, cartons and mesh bags.Products are exported to Europe, the United States, South Korea, Malaysia, the Middle East and other countries and regions.The company relies on the good prestige and the excellent product quality has won the general customer the high praise, hoped has the export order the customer please to relate with us.In order to establish long-term business relations, mutual benefit and common development.
Fresh Ginger,Fresh Young Ginger,Fresh Mature Ginger,Bulk Fresh Ginger
Jining Sunagro Trade Co., Ltd. , http://www.sunagro-food.com