Australia

Ring spot

Mycosphaerella brassicicola

Symptoms consist of circular leafspots (0.5 inch in diameter) that range in color from light brown to black. With time these spots develop concentric rings much like a target pattern. Small spherical fruiting structures may also be observed within the leafspots. If disease is severe, some defoliation may take place. This pathogen may also infect the sprouts, causing dark lesions on outer leaves.

Pesticides
Aprisco 900 WG
intensity: ★★★
Bravo
intensity: ★★★
Bravo Weather Stik
intensity: ★★★
Cavalry Weatherguard
intensity: ★★★
Cherokee 900
intensity: ★★★
Citadel
intensity: ★★★
Conan 500
intensity: ★★★
Conan 720 SC
intensity: ★★★
Cupro Isagro 375 WG
intensity: ★★★
Dithane Rainshield Neo Tec
intensity: ★★★
FMC Chlorothalonil 720
intensity: ★★★
FMC Chlorothalonil Bond 720
intensity: ★★★
Frenta 750 WG
intensity: ★★★
Isacop
intensity: ★★★
Kocide Blue Xtra
intensity: ★★★
Manzate DF
intensity: ★★★
Neoram 375 WG
intensity: ★★★
Ospray Copper Oxychloride-WP
intensity: ★★★
Penncozeb
intensity: ★★★
Penncozeb 750 DF
intensity: ★★★
Polyram DF
intensity: ★★★
Rotam Aprisco
intensity: ★★★
Rotam Winner Mancozeb WP
intensity: ★★★
Topas 100 EC
intensity: ★★★
tradewyns Blu-Cop 400DF
intensity: ★★★
Uniguard 500 WP
intensity: ★★★
Unizeb Disperss 750 DF
intensity: ★★★
Bayfidan 250 EC
intensity: ★
Arysta LifeScience Copper Oxychloride WP Fungicide/Bactericide
intensity: N/A
Arysta LifeScience Mancozeb 750 WG
intensity: N/A
Barmac Copper Oxychloride
intensity: N/A
Barrack 720
intensity: N/A
Barrack Betterstick
intensity: N/A
Blue Shield DF
intensity: N/A
Chlornil 720 SC
intensity: N/A
Chloronil Pro
intensity: N/A
Chlorothalonil
intensity: N/A
Clash Dry 900 WG
intensity: N/A
Clash Storm Guard 720 SC
intensity: N/A
Copper Oxychloride
intensity: N/A
Echo 720
intensity: N/A
Isagro Neoram 375 WG
intensity: N/A
Liquicop
intensity: N/A
Manco 750 WG
intensity: N/A
Mancoflo
intensity: N/A
Mankocide DF
intensity: N/A
Manzeb
intensity: N/A
Pacific Echo 500 SC
intensity: N/A
Triad
intensity: N/A