Elements of IPM for
Alfalfa and Field Corn in NY State
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| Practices | Points |
|---|---|
| GENERAL | |
| Test soil for fertilizer and pH recommendations. Every year Every 2 years Every 3 years More than 3 years |
10 7 5 1 |
| Keep written field records Pest levels Pesticide Applications Cultural pest management practices (planting date, rotation, harvest, etc.) Crop variety or hybrid Crop yields |
2 2 2 2 2 |
| Calibrate pesticide and fertilizer application equipment, sprayers
and granular boxes:
Pesticide sprayer (once a season) Pesticide planter box (once a season) |
10 10 |
| FIELD CORN | |
| Monitor corn fields for pests:
Once a week Two or three times during growing season Four or more times during growing season During specific pest outbreaks |
10 3 5 1 |
| Make spring or fall weed inventories, or written map of fields used in weed management decisions | 10 |
| Review weed maps (of each field) before planting for the purpose
of:
Timing cultivation and/or rotary hoeing Refining herbicide choice and selection Evaluating pre-emergence herbicide program Making post emergent treatment decisions Identifying potential herbicide resistant weeds Adjusting crop rotation sequence |
1 1 1 1 1 1 |
| Rotate corn fields, i.e., plant only in fields where sweet or field corn was not planted the previous year | 10 |
| Conduct Pre-sidedress nitrogen testing (PSNT) to decide if additional sidedress nitrogen is needed | 3 |
| Take plant population counts to evaluate stand establishment | 3 |
| ALFALFA | |
| Monitor alfalfa fields for pests:
Once a week Two or three times during the growing season Four or more times during the growing season During specific pest outbreaks |
10 3 5 1 |
| Make written maps of fields to use in evaluating crop condition, and pest (insect, weed and disease) status. | 10 |
| Take alfalfa crown counts to assess potential productivity of stands | 3 |
| Harvest field earlier than planned to avoid further damage by:
alfalfa weevil potato leafhopper |
3 2 |
| Total Maximum Points for both crops Total Maximum Points for Corn Total Maximum Points for Alfalfa |
110 82 68 |
revision date: 2000
TO LEARN MORE...
Specific information about the use of these IPM elements can be found in the following publications:
A Method to Measure the Environmental Impact of Pesticides. 1992. New York Food and Life Sciences Bulletin Number 139.
The above reference material can be obtained from county Cornell Cooperative Extension offices or Contact the Frank A. Lee Library to view these publications.