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Bacterial Pustule

Xanthomonas Campestris Pv. Glycines

Pathogen:

Bacterium

Type:

Risk:

INTERMEDIATE

DESCRIPTION

Pathogen description

Bacterial pustule, caused by the bacteria Xanthomonas campestris pv. glycines, is an important disease that affects soybean crops in many regions of the world. This bacteria is capable of causing significant damage to soybean plants, which can result in economic losses for farmers.

Disease description

In soybeans, bacterial pustule produces symptoms that include the appearance of necrotic lesions on the leaves, stems and pods of the plant. These lesions usually have a sunken appearance and may be surrounded by a yellowish halo. Over time, the lesions can expand and cause premature defoliation, which can reduce crop yield.

TEMPERATURE AND HUMIDITY

25°C - 30°C

70% - 90%

VOIES DE TRANSMISSION

Infected seeds, plant remains, irrigation water, agricultural tools, insects.

Chemical treatments

CONTROL

• COPPER OXYCHLORIDE 35% (exp. in Cu) [WG] P/P
• COPPER OXYCHLORIDE 38% (EXPR. IN CU) [SC] P/V
• COPPER OXYCHLORIDE 50% (EXPR. IN CU) [WP] P/P

Treatments authorized in organic farming

• COPPER OXYCHLORIDE 35% (exp. in Cu) [WG] P/P
• COPPER OXYCHLORIDE 38% (EXPR. IN CU) [SC] P/V
• COPPER OXYCHLORIDE 50% (EXPR. IN CU) [WP] P/P

Biological control

• BACILLUS SUBTILIS (STRAIN QST 713) 1.34% [SC] P/V

Preventive treatments

• BACILLUS SUBTILIS (STRAIN QST 713) 1.34% [SC] P/V
• COPPER OXYCHLORIDE 35% (exp. in Cu) [WG] P/P
• COPPER OXYCHLORIDE 38% (EXPR. IN CU) [SC] P/V
• COPPER OXYCHLORIDE 50% (EXPR. IN CU) [WP] P/P

To prevent and control bacterial pustule in soybean crops, it is important to implement integrated pest management practices. This includes the use of pathogen-free seeds, crop rotation, weed control and the application of specific bactericides at critical moments in the crop cycle.

Recommendations

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*The recommended treatments are recommendations based on the authorities' databases and do not replace in any way the guidelines established by the legislation of each country.