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Continuation of Spider Mite Biocontrols
Release rates Persimilis
| Release Rates for Persimilis — Legend | Menu |
| Classification |
Release information |
| Prevent |
Not suitable for use in this rate class. |
| Low |
7-11/yd, tri-wkly, 2-3 times. |
| Med |
10-18/yd, bi-wkly, 2-4 times. |
| High |
17-29/yd, weekly, 3-4 times. |
| Maint |
4-9/yd, mnthly, indef. |
| Garden |
45-65% of rates listed. |
| Acre + |
25-40% of rates listed. |
| Comments |
Adequate food supplies must be present else this predator can easily starve. |
Release rates Stethorus
| Release Rates for Stethorus — Legend | Menu |
| Classification |
Release information |
| Prevent |
1-2/yd, mnthly, as needed. |
| Low |
2-3/yd, tri-wkly, 2-3 times. |
| Med |
4-5/yd, bi-wkly, 2-4 times. |
| High |
5-6/yd, bi-wkly, 2-4 times. |
| Maint |
1-3/yd, qrtly, indef. |
| Garden |
45-65% of rates listed. |
| Acre + |
25-45% of rates listed. |
| Comments |
More might be needed on tomato crops, though it is possible to use less in hydroponic cultures. |
Thrips Biocontrols
Release rates Cucumeris
| Release Rates for Cucumeris — Legend | Menu |
| Classification |
Release information |
| Prevent |
30-90/yd, bi-wkly, as needed (see comments). |
| Low |
90-150/yd, weekly, 3-5 times. |
| Med |
150-210/yd, weekly, 3-5 times. |
| High |
210-270/yd, weekly, 4-6 times. |
| Maint |
60-120/yd, tri-wkly, indef. |
| Garden |
60-80% of rates listed. |
| Acre + |
50-75% of rates listed. |
| Comments |
When using “slow-release packets” for prevention, repeated releases need to be made roughly bi-mnthly instead of bi-wkly. |
Release rates Hypoaspis
| Release Rates for Hypoaspis — Legend | Menu |
| Classification |
Release information |
| Prevent |
70-90/yd, mnthly, as needed. |
| Low |
90-130/yd, tri-wkly, 2-3 times. |
| Med |
130-190/yd, bi-wkly, 2-4 times. |
| High |
190-270/yd, bi-wkly, 3-5 times. |
| Maint |
80-100/yd, mnthly, indef. |
| Garden |
40-70% of rates listed. |
| Acre + |
30-60% of rates listed. |
| Comments |
Friable floor, potting mix, and other locations should be treated as well, not just the planting media. |
Release rates Degenerans
| Release Rates for Degenerans — Legend | Menu |
| Classification |
Release information |
| Prevent |
2-4/yd, mnthly, as needed. |
| Low |
5-9/yd, tri-wkly, 2-4 times. |
| Med |
10-14/yd, bi-wkly, 2-5 times. |
| High |
Not suitable for use in this rate class. |
| Maint |
2-3/yd, mnthly, indef. |
| Garden |
50-60% of rates listed. |
| Acre + |
30-40% of rates listed. |
| Comments |
Pollen must be made available to these predatory mites, but too much may prove too big a distraction. |
Release rates Orius
| Release Rates for Orius — Legend | Menu |
| Classification |
Release information |
| Prevent |
Not suitable for use in this rate class. |
| Low |
2-3/yd, tri-wkly, 2-3 times. |
| Med |
4-5/yd, bi-wkly, 2-4 times. |
| High |
6-7/yd, weekly, 3-4 times. |
| Maint |
1-2/yd, mnthly, indef. |
| Garden |
30-45% of rates listed. |
| Acre + |
5-20% of rates listed. |
| Comments |
May be useful for other pests in the summer, but try it experimentally. |
Whitefly Biocontrols
Release rates Delphastus
| Release Rates for Delphastus — Legend | Menu |
| Classification |
Release information |
| Prevent |
Not suitable for use in this rate class. |
| Low |
1-2/yd, tri-wkly, 2-3 times. |
| Med |
2-3/yd, bi-wkly, 2-4 times. |
| High |
3-4/yd, weekly, 3-5 times. |
| Maint |
1-2/yd, mnthly, indef. |
| Garden |
40-55% of rates listed. |
| Acre + |
10-20% of rates listed. |
| Comments |
For tomatoes and other hairy crops, the release rates shown may need to be increased, even doubled. |
Release rates for Whitefly Biocontrols continued on Next Page »
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