PMSP for Watermelon Production in Delaware, Maryland, New Jersey and North Carolina


StateDelaware, Maryland, North Carolina, New Jersey


Executive Summary



Category Rank Pest Type Pest Crop Stage Date Priority
Extension/Outreach 1 2008 specifics of herbicide use (dangers to crops): specifics related to transplants and direct seeded
Extension/Outreach 1 Insects 2008 Cultural controls for Fusarium Wilt: cover crop to reduce current populations
Extension/Outreach 1 Pathogens 2008 Improved management practices for bees; safe use of pesticides
Extension/Outreach 2 2008 spray technology: minimizing drift; hooded sprayers (pressure)
Extension/Outreach 2 Insects 2008 Bacterial Fruit Blotch- clean seed
Extension/Outreach 2 Pathogens 2008 Improved understanding of migratory/invasive pest species: whiteflies
Extension/Outreach 3 2008 components of weed control: interception of spray
Extension/Outreach 3 Insects 2008 Recognition and identification of Powdery Mildew
Extension/Outreach 4 2008 weed seed production (post season) and resulting impact on subsequent crops
Extension/Outreach 4 Insects 2008 Recognition and identification of Downy Mildew
Extension/Outreach 5 Insects 2008 Control measures for Phytophthora Blight
Extension/Outreach 6 Insects 2008 Air pollution
Extension/Outreach 7 Insects 2008 Vine decline (problem in FL, may be emerging problem in NE)
Regulatory 1 2008 get Dual registered on watermelon
Regulatory 1 Insects 2008 Labels for new products: mandipropamid (REVUS) - syngenta; fluopicolide - valent - research number; quintec- Dow Agrosciences - requesting economic data (NJ)
Regulatory 1 Pathogens 2008 Belief (flonicimid) registration for aphids -- currently pipeline
Regulatory 2 Pathogens 2008 Watermelon returned to actara label: product can be used early season without harm to bees
Regulatory 3 Pathogens 2008 Miticides: Fujimite (fenpyroximate), Zeal (etoxazole: currently submitted to EPA)
Regulatory 4 Pathogens 2008 Make sure reduced risk pesticides are registered
Research 1 2008 amaranth and nutsedge control in the row (under plastic)
Research 1 Insects 2008 Fusarium Wilt: chemical control ; cultural practices (soil solarization; grafting - quality and yield)
Research 1 Pathogens 2008 Seed treatments: seed corn maggot, cucumber beetles
Research 2 2008 Management of ALS resistant biotypes: effectiveness of Reflex and other herbicides for ALS-resistant Pigweed
Research 2 Insects 2008 Fungicide resistance: Gummy Stem Blight (regionally); Downy Mildew (regionally); Powdery Mildew; Phytophthora
Research 2 Pathogens 2008 Trickle irrigation for insect control
Research 3 2008 control of morning glory (regional differences)
Research 3 Insects 2008 Phytophthora -chemical control and alternatives
Research 3 Pathogens 2008 Honey bees and natives (conserve populations): management of pesticides for efficient pollination
Research 4 2008 removal of plastic and its result on weed control (as related to black nightshade's seed production): late season weed control
Research 4 Insects 2008 Disease management and epidemiology of Downy Mildew
Research 4 Pathogens 2008 Evaluate reduced risk pesticides, specifically biorationals
Research 5 2008 products for eastern black nightshade control
Research 5 Insects 2008 Need more fungicide efficacy data on Powdery Mildew on watermelon
Research 5 Pathogens 2008 Miticides needed- for improved control: different modes of action and resistance management
Research 6 2008 control weeds on the shoulders of the plastic
Research 6 Insects 2008 We need efficacy data on tanos for Bacterial Fruit Blotch
Research 6 Pathogens 2008 Look at attractant baits (bait & kill) for cucumber beetle adult
Research 7 2008 alternatives to synthetic products for organic growers
Research 7 Insects 2008 Topsin M -- more data needed on efficacy for Anthracnose when used by itself
Research 7 Pathogens 2008 Cooperation with plant pathologists on insects as vectors of plant diseases
Research 8 Pathogens 2008 IPM approach using improved thresholds
Research 9 Pathogens 2008 Cultivate soil prior to planting -- is it good or bad? Seed corn maggot
Research 10 Pathogens 2008 Lannate for aphids - inconsistent -- determine why

Production Facts

Production Year
US Rank
% US Acres
Acres Planted
Acres Harvested
Production Costs/Acre
Natl Avg/Acre
State Avg/Acre
Per Acre Value
Production Value

Worker Activities

Production Counties

Production Practices

IPM Practices

Pollinator Protection


No Data

No Data

No Data

No Data

No Data


Biological Controls

Cultural Controls

Physical Controls

Chemical Controls

Active Ingredient CAS PC Pests REI (hrs) PHI (days) Description IPM Resistance


Pest Active Ingredient PC Code CAS Efficacy Code Comments
Efficacy Codes
EExcellent, 90-100%
GGood, 80-90%
FFair, 60-80%
PPoor, 25-60%
NCNo Control, <25%
G-EGood to Excellent, 80-100%
F-EFair to Excellent, 50-100%
P-EPoor to Excellent, 25-100%
F-GFair to Good, 50-90%
P-GPoor to Good, 25-90%
P-FPoor to Fair, 25-80%
NUNot Used
RRarely Used

Resistance Management



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Pests JanFebMarAprMayJunJulAugSepOctNovDec Entered Comments

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Chemicals JanFebMarAprMayJunJulAugSepOctNovDec Entered Comments

Worker Activities JanFebMarAprMayJunJulAugSepOctNovDec Entered Comments