Elements of IPM for Cucumber, Melon, and Summer Squash in NY State
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| MAJOR PESTS | |||
|---|---|---|---|
| Insects | Diseases | Rotation | Weeds |
Major Insects |
angular leaf spot | 1 year | annual broadleaves |
| striped cucumber beetle | bacterial leaf spot | 1 year | annual grasses |
| spotted cucumber beetle | bacterial wilt | NA | perennial broadleaves |
| aphids | Alternaria | 2 years | perennial grasses |
| anthracnose | 2 years | ||
Minor/Sporadic Insects |
Fusarium crown and fruit rot | 5 years | |
| squash bug | Fusarium wilt (melons) | 7 years | |
| western corn rootworm | downy mildew | NA | |
| seed maggot | gummy stem blight (black rot) | 2-3 years | |
| cutworms | Phytophthora | >3 years* | |
| spider mites | powdery mildew | NA | |
| Septoria leaf spot | 2 years | ||
| sudden wilt (melons) | NA | ||
| Ulocladium | 2 years | ||
| Viruses | NA | ||
| damping off | NA | ||
| white mold | 3 years | ||
| * - duration of rotation uncertain NA - not applicable |
|||
| A. Site Preparation and Selection | Acreage Goal | Points |
|---|---|---|
| 1) Review previous season’s weed map/list of fields to choose appropriate weed control strategies. See the Weed Assessment List available for use in satisfying this element. | 50% | 10 |
| 2) Crop rotation: 2-3 years away from cucurbits, more if needed for diseases indicated in table above. | 75% | 10 |
| 3) Avoid peppers, tomatoes, and eggplant in rotation with cucurbits to minimize disease problems | 25% | 3 |
| 4) Nutrient management: soil test at least every third year. Fertilize according to test recommendations. | 100% | 10 |
| 5) Do not apply all nitrogen at planting: sidedress or topdress part of the total N application during the growing season. | 75% | 10 |
| 6) Bonus: use trickle irrigation and fertigation | 10% 25% 50% |
3 5 10 |
| 7) Choose sites with good air drainage; not surrounded by woods | 25% | 3 |
| 9) If manure is applied to field, apply only before planting and incorporate | 100% | 10 |
| B. Planting | ||
| 1) Resistant varieties: Choose disease resistant varieties and varieties less-preferred by beetle pests when available and feasible | 50% | 10 |
| 2) Use fungicide treated seed. Use seeder box treatment for seedcorn maggot only if conditions dictate | 100% | 10 |
| 3) Turn under any cover crop residue 3 weeks before planting to avoid seedcorn maggot | 50% | 5 |
| C. Pest Management | ||
| 1) Calibrate sprayer at least once per season or every time nozzles are changed | 100% | 10 |
| 2) Scout for insects and diseases as recommended in IPM procedures | 25% 50% 100% |
3 5 10 |
| 3) Follow thresholds for pests that have established thresholds | 25% 50% 100% |
3 5 10 |
| 4) Follow management guidelines in the Cornell IPM recommendations or scouting guidelines for pests that do not have thresholds | 75% | 10 |
| 5) Select fungicides based on a resistance management strategy | 50% | 10 |
| 6) Choose labeled pesticides with the lowest environmental impact | 10% | 3 |
| 7) Keep records of pest populations, pesticide applications, and cultural practices | 100% | 10 |
| D. Post Harvest | ||
| 1) If washing crop, chlorinate wash water and maintain proper chlorine levels. | 100% | 10 |
| 2) Make late season weed map/list for use the following season. See the Weed Assessment List available for use in satisfying this element. | 50% | 5 |
| 3) Disk down fields after harvest | 50% | 10 |
| 4) Establish a cover crop to scavenge nutrients and control weeds or use spot applications of translocatable herbicide for control of perennial weeds | 50% | 10 |
revision date: 2001
Total points available (excluding bonus points): 179
Points needed to qualify: 143
10 bonus points available
TO LEARN MORE...
Specific information on how to apply and use these IPM elements can be found in the following publications:
2000 Cucurbit IPM Scouting Procedures, IPM Bulletin 113
Integrated Crop and Pest Management Guidelines for Commercial Vegetable Production.
A Method to Measure the Environmental Impact of Pesticides. 1992. New York Food and Life Sciences Bulletin Number 139.
Contact the Frank A. Lee Library to view these publications.