PLUM PETAL FALL SPRAY1
Effectiveness rating: E = excellent, G = good, F = fair
| Disease | Effectiveness | Suggested Chemicals | 100 Gal Dilute | Acre Concentrate |
| Black knot | E = 1
F = 2 |
1. Topsin-M 70W + Captan 50W | 4-6 oz + 1-2 lb | 10-12 oz + 3-6 lb |
| Brown rot | E = 1
G = 2 |
2. Captan 50W | 2 lb | 4.5 lb |
1 CAUTION: Captan may cause injury on Japanese-type and Stanley plums in early season.
PLUM PETAL FALL SPRAY1
Effectiveness rating: E = excellent, G = good, F = fair
| Insects/Mites | Effectiveness | SuggestedChemicals | 100 GalDilute | Acre Concentrate |
| Plum curculio | E = 2, 7 |
1. Apta |
-- | 21.0-27.0 fl oz |
| G = 1, 10 |
2. Imidan 70WSB | 12-16 oz | 2-3 lb | |
| Mites (ERM/TSM) | E = 4, 5, 6, 8, 9, 11 |
3. Vendex 50W | 6 oz | 1 lb |
| G = 3 |
4. Acramite 50WS | -- | 12-16 oz | |
| 5. 1Nexter 75WP |
-- |
4.4-10.7 oz |
||
| 6. Envidor 2SC |
-- |
16-18 fl oz |
||
| 7. Avaunt 30WDG |
-- |
5-6 oz |
||
| 8. Zeal 72WDG |
-- |
2-3 oz |
||
| 9. 2Agri-Mek,
Abba, Temprano 0.15EC, or Agri-Mek 0.7SC |
-- |
10-20 fl oz 2.25-4.25 fl oz |
||
| 10. Calypso 4F |
-- |
4-8 fl oz |
||
| 11. Portal 5EC |
-- |
2 pt |
1 Use higher rate for TSM.
2 Use with a horticultural oil.
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Web Site Author: Alan R. Biggs and Douglas G. Pfeiffer