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% of Crop Treated |
Pro |
Con |
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metam-sodium (Vapam HL) |
25% NJ 40% DE/MD |
-additional nematode suppression, weed suppression |
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-expensive: special application -timing -non-selective |
Clorox seed treatment. |
90% |
-cost effective -effective |
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streptomycin (Agri-Mycin 17, Agri-Strep) |
90% |
-only product labeled for the greenhouse |
|
-resistance management |
fixed coppers |
100% |
-inexpensive -effective -other targets -short PHI |
|
-resistance management |
fixed coppers plus maneb |
100% |
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maneb plus Tanos |
10-15% DE MD 50% NJ |
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maneb |
<1% |
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azoxystrobin (Quadris) |
75% NJ 20% DE MD |
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-resistance management |
| Oxidate | 25% DE MD 75% NJ |
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pyraclostrobin (Cabrio) |
5% |
|
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-resistance management |
trifloxystrobin (Flint) |
1% |
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-resistance management |
famoxodone + cymoxanil (Tanos) |
<1% |
|
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mefenoxam (Ridomil Gold 4E) and Ultra Flourish 2E |
50% DE MD 90% NJ |
|
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-resistance management |
Hot Water Seed Treatment |
5% |
|
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mefenoxam + copper hydroxide (Ridomil Gold Copper 65WP) |
15% |
|
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-resistance management |
dimethomorph (Forum 4.18SC) |
<1% |
|
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-poor performance |
PCNB (Terraclor 75WP) |
1% |
-very effective |
|
-requires special equiptment and application (only the stem and not foliage) -cultivation can nullify the efficacy for bare ground production |
Cultural Control: |
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disease-free planting mix |
100% |
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SoilGard |
5% |
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Resistant varieties |
75% |
|
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-fruit quality |
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Rotation |
75% NJ
85% DE MD 20% NJ 5% NJ 15% DE MD |
3-year rotation with non-solanaceous crops
4 year rotation
5+ year(s) rotation (with corn and small grains)
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| maintain high fertility | 100% |
-helps the plant grow out of bacterial leaf spot |
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-elevated level of anthracnose fruit rot |
do not work in fields when plant surfaces are wet |
50% 90% Mechanical Harvest |
- helps reduce spread of leaf spot and anthracnose |
|
-not always efficient: reduces harvest window |
Disk field ASAP after growing season |
90% bare ground 30% plastic |
-helps break down plant material |
|
-dependant on when the plastic mulch is removed |
Pack peppers dry |
70% |
|
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Avoid washing peppers with water cooler than fruit |
40% |
-improve fruit quality |
|
-potential increase for soft rot |
Plant on ridge or raised, dome-shaped bed |
50% DE MD 100% NJ |
-improved drainage |
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polyethylene mulch |
75% |
-fruit quality -improved soil moisture -weed control -water conservation |
|
-disposal |
maintain proper soil calcium & nutrient balance |
100% |
-blossom end rot management |
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| Do not grow any ornamental bedding plants in same greenhouse as pepper transplants | 90% |
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| rogue out infected plant material | 5-10% |
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