Guide to Pest Management in Rhubarb 2013 - Perennia
Guide to Pest Management in Rhubarb 2013 - Perennia
Guide to Pest Management in Rhubarb 2013 - Perennia
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
Tarnished<br />
Plant Bug<br />
DISEASES:<br />
4 thiamethoxam<br />
NEW 2012<br />
f<strong>in</strong>ished spray volume of<br />
100L/ha.<br />
Actara 25 WP 210 g/ha 12 hours 7 Apply before aphids reach<br />
damag<strong>in</strong>g levels. Maximum<br />
one application per year. This<br />
product is highly <strong>to</strong>xic <strong>to</strong><br />
bees, do not apply <strong>to</strong><br />
bloom<strong>in</strong>g crops and wait at<br />
least 5 days before plac<strong>in</strong>g<br />
beehives <strong>in</strong> a treated field.<br />
Botrytis leaf<br />
rot<br />
(<strong>in</strong> forc<strong>in</strong>g<br />
sheds)<br />
M captan Captan 80 WDG<br />
Maestro 80 DF<br />
1.4-2.0<br />
kg/ha<br />
1.25-2.0<br />
kg/ha<br />
Gray Mold 7 penthiopyrad Fontelis 1.25-1.75<br />
L/ha<br />
NEW 2012<br />
Sclerot<strong>in</strong>ia<br />
White Mold<br />
(Sclerot<strong>in</strong>ia<br />
spp.)<br />
7-11 boscalid,<br />
pyraclostrob<strong>in</strong><br />
Prist<strong>in</strong>e WG 1.0 – 1.3<br />
Kg/ha<br />
48 hours 2 Spray at weekly <strong>in</strong>tervals <strong>in</strong><br />
1000L of water. 48 hr reentry.<br />
48 hours 2<br />
12 hours 3 Beg<strong>in</strong> applications prior <strong>to</strong><br />
disease development,<br />
cont<strong>in</strong>ue on a 7-10 day<br />
<strong>in</strong>terval. Use higher rate and<br />
shorter <strong>in</strong>terval when disease<br />
pressure is high. Max<br />
seasonal rate is 5.25 L/ha. Do<br />
not make more than 2<br />
sequential applications before<br />
switch<strong>in</strong>g <strong>to</strong> another mode of<br />
action.<br />
- 0 For suppression of white<br />
mold. Apply once per season<br />
before disease develops. REI<br />
= 24hrs. For hand harvest<strong>in</strong>g<br />
and th<strong>in</strong>n<strong>in</strong>g <strong>in</strong> leafy<br />
vegetables do not enter for 9<br />
<strong>Rhubarb</strong><br />
7
Change language