% of Crop Treated

Pro

Con

metam-sodium (Vapam HL)     

25% NJ

40% DE/MD

 -additional nematode suppression, weed suppression

 

 -expensive: special application

-timing

-non-selective

Clorox seed treatment.

 90%

 -cost effective

-effective

 

 

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%

 

 

 

maneb plus Tanos

 10-15% DE MD

50% NJ

 

 

 

maneb

<1% 

 

 

 

azoxystrobin (Quadris)

 75% NJ

20% DE MD

 

 

 -resistance management

Oxidate

25% DE MD

75% NJ

 

 

 

pyraclostrobin (Cabrio)

 5%

 

 

 -resistance management

trifloxystrobin (Flint)

 1%

 

 

 -resistance management

famoxodone + cymoxanil (Tanos)

<1%

 

 

 

mefenoxam  (Ridomil Gold 4E) and Ultra Flourish 2E

 50% DE MD

90% NJ

 

 

 -resistance management

Hot Water Seed Treatment

 5%

 

 

 

mefenoxam + copper hydroxide (Ridomil Gold Copper 65WP)

 15%

 

 

 -resistance management

dimethomorph (Forum 4.18SC)

 <1%

 

 

 -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:

 

 

 

 

disease-free planting mix

 100%

 

 

 

SoilGard

 5%

 

 

 

Resistant varieties

 75%

 

 

 -fruit quality

 

 

 

 

 

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)

 

 

 

 

 

 

 

 

maintain high fertility
100%

 -helps the plant grow out of bacterial leaf spot

 

 -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%

 

 

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

 

 

 

 

 

 

 

polyethylene mulch

 75%

 -fruit quality

-improved soil moisture

-weed control

-water conservation

 

 -disposal

maintain proper soil calcium & nutrient balance

 100%

 -blossom end rot management

 

 

Do not grow any ornamental bedding plants in same greenhouse as pepper transplants

 90%

 

 

 

rogue out infected plant material

 5-10%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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