Volume: 5 Issue: 12 Date: September 13 2013 Potato Bytes Klamath Basin Research and Extension Center 6941 Washburn Way Klamath Falls, Oregon 97603 (tel)541‐883‐4590 (fax) 541‐883‐4596 h p://oregonstate.edu/dept/kbrec Brian A. Charlton, Research and Extension Agent ‐541‐591‐1255 Nichole Baley, Faculty Research Assistant 530‐598‐8533 Potato Crop Water Use Early Planting inch / day 0.40 0.30 '99‐'12 Avg 0.20 Inside this Issue: Crop Water Use: 1 Soil Degree Data: 2,3 Insect Trap Report 4 2013 0.10 0.00 5/15 6/15 7/15 8/15 9/15 Potato Crop Water Use Late Planting 720 0.40 inch / day Historical P-day Accumulation June 1 -September 15 700 680 0.30 660 0.20 0.10 '99‐'12 Avg 640 2013 620 600 99 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 0.00 7/5 KBREC 8/5 9/5 Actual Water Use: Inches 800 Plan ng Date: Early Late Last 3 days: 0.55 0.57 Last 7 days: 1.47 1.53 Last 14 days: 2.88 3.03 Es mated Water Use: Next 7 days Total P-Day Accumulation Estimated Emergence - September 6 May 15 400 June 1 June 15 200 1.33 600 p‐days 6/5 1.40 0 2009 2010 2011 2012 2013 Volume: 5 Issue: 12 Date: September 13 2013 Potato Bytes Klamath Basin Research and Extension Center 6941 Washburn Way Klamath Falls, Oregon 97603 (tel)541‐883‐4590 (fax) 541‐883‐4596 h p://oregonstate.edu/dept/kbrec Brian A. Charlton, Research and Extension Agent ‐541‐591‐1255 Nichole Baley, Faculty Research Assistant 530‐598‐8533 Soil Degree‐Day Accumula on ‐‐ KBREC and IREC 2013 For Root‐knot nematode control, Vydate applica ons should begin at 800 degree‐days (DD5C). To es mate that date, add the number of Total degree‐days "Total" on the day you planted to 800. Where that value occurs in the "Total" column es mates the date on which 800 DD5C will occur in that field. It is recommended that applica ons con nue every 14 days un l harvest. For Stubby‐root nematode control, Vydate applica ons should begin at 0 degree‐days (at plan ng) and followed by an applica on at the first full irriga on following emergence. An addi onal applica on is recommended at 800 degree‐days (DD5C). Potato Bytes Klamath Basin Research and Extension Center 6941 Washburn Way Klamath Falls, Oregon 97603 (tel)541‐883‐4590 (fax) 541‐883‐4596 h p://oregonstate.edu/dept/kbrec Brian A. Charlton, Research and Extension Agent ‐541‐591‐1255 Nichole Baley, Faculty Research Assistant 530‐598‐8533 Volume: 5 Issue: 12 Date: September 13 2013 Volume: 5 Issue: 12 Date: September 13 2013 Potato Bytes Klamath Basin Research and Extension Center 6941 Washburn Way Klamath Falls, Oregon 97603 (tel)541‐883‐4590 (fax) 541‐883‐4596 h p://oregonstate.edu/dept/kbrec Brian A. Charlton, Research and Extension Agent ‐541‐591‐1255 Nichole Baley, Faculty Research Assistant 530‐598‐8533 Insect Trap Report August 19 - August 26 Klamath County TRAP 1 2 3 4 5 6 7 LOCATION State Line & Wilson Rd Highway 50 Pickett Road Merrill Pit Road Taylor Road Lower Lake Cross Road 8 9 10 11 12 13 14 15 BLH N/A N/A N/A N/A N/A OLH N/A N/A N/A N/A N/A PP N/A N/A N/A N/A N/A OP N/A N/A N/A N/A N/A Running Y Reeder Road Cheyne Road N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Road 112 Tulelake Road 103 Tulelake South Panhandle Copic Bay N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A East West Road N/A N/A N/A N/A N/A Potato GPA OA PP OP Aphid Traps Keno Lower Lake West Lower Lake East East Malin North Malin South Poe Valley East Bonanza North Bonanza East Yonna Valley North Hildabrand East Swan Lake PTW N/A N/A N/A N/A N/A 1 2 3 4 5 6 7 8 9 10 11 PTW: Potato Tuberworm BLH: Beet Leafhoppers OLH: Other Leafhoppers PP: Potato Psyllids OP: Other Psyllids GPA: Green Peach Aphid OA: Other Aphids
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