APAC Vinca webinar 2: Successful finish

Catharanthus disease management

Most common Catharanthus seedling diseases.

Disease

Active ingredients (rate in chemical)

Active Ingredient concentration in solution g/l*

Use as prophylactic

iprodione (50%)

1.25 g/l

tetrachloroisophthalonitrile (82.5%)

0.83–1.2 g/l 0.5–0,75 g/l 0.75–1,25 g/l

Thielaviopsis

fenhexamid (50%)

pentachloronitrobenzene (75%)

azoxystrobin (50%) fludioxonil (125 g/l)

0.15 g/l

+

0.05–0.07 g/l

Rhizoctonia

chlorothalonil (72%) + thiophanate-methyl (18%)

0.75–1,25 g/l chlorothalonil or/and 0.18–0,27 g/l

pentachloronitrobenzene (75%) polyoxin D zinc salt (11.3%)

0.75–1,25 g/l

0.07 g/l 0.15 g/l

azoxystrobin (50%)

pyraclostrobin (12.8%) + boscalid (25.2%)

0.03–0.07 g/l pyraclostrobin or/and 0.05–0.15 g/l boscalid

Plant protection

Phytophthora

+

propamocarb (600 g/l)

1.8 g/l

mankozeb (640 g/kg) + mefenoxam (40 g/kg)

* Rotate active ingredients (AI). Don’t apply the same AI more than 3 times at row. Check phytotoxicity!

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