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Gray Rot

Botrytis Cinerea

Pathogen:

Fungus

Type:

Risk:

HIGH

DESCRIPTION

Pathogen description

The pathogen Botrytis cinerea, also known as gray mold, is a fungus that affects a wide variety of plants, including tomatoes. It is characterized by its ability to infect dead or living plant tissues, causing serious diseases in crops.

Disease description

In tomatoes, Botrytis cinerea produces a disease known as gray rot. Symptoms include brown or gray Taches on fruits, leaves and stems, as well as a grayish mold that may cover affected parts of the plant.

TEMPERATURE AND HUMIDITY

15°C - 25°C

90% - 100%

VOIES DE TRANSMISSION

Air, direct contact with infected plant material and spread through contaminated growing tools.

Chemical treatments

CONTROL

• AZOXISTROBIN 25% [SC] P/V
• CAPTAN 47.5% [SC] P/V
• CAPTAIN 80% [WG] P/P
• CIPRODINIL 37.5% + FLUDIOXONIL 25% [WG] P/P
• DIFENOCONAZOLE 25% [EC] P/V
• EUGENOL 3.3% + GERANIOL 6.6% + THYMOL 6.6% [CS] P/V
• PHENHEXAMIDE 50% [SC] P/V
• FLUDIOXONIL 50% [WG] P/P
• FOLPET 50% [SC] P/V
• FOLPET 80% [WG] P/P
• POTASSIUM HYDROGEN CARBONATE 0.425% [AL] P/V
• POTASSIUM HYDROGEN CARBONATE 85% [SP] P/P
• IMAZALIL 2% [AE] P/P
• LAMINARIN 4.5% [SL] P/S
• MEPANIPIRIM 50% [WP] P/P
• COPPER OXYCHLORIDE 35% (EXPR. IN CU) [WG] P/P
• PENTIOPYRAD 20% [SC] P/V
• PIRACLOSTROBIN 6.7% + BOSCALIDE 26.7% ( ) [WG] P/P
• PYRIMETANIL 40% [SC] P/V
• TEBUCONAZOLE 20% [EW] P/V
• TEBUCONAZOLE 25% [EW] P/V

Treatments authorized in organic farming

• EUGENOL 3.3% + GERANIOL 6.6% + THYMOL 6.6% [CS] P/V
• POTASSIUM HYDROGEN CARBONATE 0.425% [AL] P/V
• POTASSIUM HYDROGEN CARBONATE 85% [SP] P/P
• LAMINARIN 4.5% [SL] P/S
• COPPER OXYCHLORIDE 35% (EXPR. IN CU) [WG] P/P

Biological control

• AUREOBASIDIUM PULLULANS (STRAIN DSM 14940) 50% (2.5
• BACILLUS AMYLOLIQUEFACIENS (strain FZB24) 13% [WP] P/P
• BACILLUS AMYLOLIQUEFACIENS (MBI 600 strain) 11% [WP] P/P
• BACILLUS AMYLOLIQUEFACIENS (subsp. plantarum, strain D747) 25% [WG] P/P
• BACILLUS SUBTILIS (strain IAB/BS03) (1 x 10E8 cfu/ml) 10 g/l [SL] P/V
• BACILLUS SUBTILIS (STRAIN QST 713) 1.34% [SC] P/V
• CLONOSTACHYS ROSEA CEPA J1446 (GLIOCLADIUM CATENULATUM (CEPA J1446)) (1 x 10E 9 cfu/g) 900 g/kg [WG] P/P
• GLIOCLADIUM CATENULATUM (STRAIN J1446) 32% (2 X 10E8 CFU/G) [WP] P/P
• SACCHAROMYCES CEREVISIAE (strain LAS02) 96.1% (1 x 10E13 cfu/Kg) [WG] P/P
• Trichoderma atroviride strain SC1 1(1 x 10E10 cfu)/g [WG] P/P

Preventive treatments

• AZOXISTROBIN 25% [SC] P/V
• BACILLUS AMYLOLIQUEFACIENS (strain FZB24) 13% [WP] P/P
• BACILLUS AMYLOLIQUEFACIENS (MBI 600 strain) 11% [WP] P/P
• BACILLUS AMYLOLIQUEFACIENS (subsp. plantarum, strain D747) 25% [WG] P/P
• BACILLUS SUBTILIS (strain IAB/BS03) (1 x 10E8 cfu/ml) 10 g/l [SL] P/V
• BACILLUS SUBTILIS (STRAIN QST 713) 1.34% [SC] P/V
• CAPTAN 47.5% [SC] P/V
• CAPTAIN 80% [WG] P/P
• CIPRODINIL 37.5% + FLUDIOXONIL 25% [WG] P/P
• CLONOSTACHYS ROSEA CEPA J1446 (GLIOCLADIUM CATENULATUM (CEPA J1446)) (1 x 10E 9 cfu/g) 900 g/kg [WG] P/P
• DIFENOCONAZOLE 25% [EC] P/V
• EUGENOL 3.3% + GERANIOL 6.6% + THYMOL 6.6% [CS] P/V
• PHENHEXAMIDE 50% [SC] P/V
• FOLPET 50% [SC] P/V
• FOLPET 80% [WG] P/P
• GLIOCLADIUM CATENULATUM (STRAIN J1446) 32% (2 X 10E8 CFU/G) [WP] P/P
• POTASSIUM HYDROGEN CARBONATE 0.425% [AL] P/V
• POTASSIUM HYDROGEN CARBONATE 85% [SP] P/P
• IMAZALIL 2% [AE] P/P
• LAMINARIN 4.5% [SL] P/S
• COPPER OXYCHLORIDE 35% (EXPR. IN CU) [WG] P/P
• PENTIOPYRAD 20% [SC] P/V
• PIRACLOSTROBIN 6.7% + BOSCALIDE 26.7% ( ) [WG] P/P
• PYRIMETANIL 40% [SC] P/V
• TEBUCONAZOLE 20% [EW] P/V
• TEBUCONAZOLE 25% [EW] P/V
• Trichoderma atroviride strain SC1 1(1 x 10E10 cfu)/g [WG] P/P

To prevent and control the disease caused by Botrytis cinerea in tomato crops, it is important to implement integrated pest management practices, such as the removal of infected plant remains, adequate ventilation in greenhouses, the use of preventive fungicides and the control of irrigation to avoid excess humidity.

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.