Volume: 7 Issue: 1 Date: June 19, 2015 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 Inside this Issue: Crop Water Use: 1 Soil Degree Data: 2 Insect Trap Report 3 inch / day 0.30 0.25 0.20 0.15 '99‐'14 Avg 0.10 2015 0.05 0.00 5/15 6/15 7/15 8/15 Historical P‐day Accumulation June 1 ‐September 15 9/15 Potato Crop Water Use Late Planting 0.3 inch / day 0.25 0.2 2015 0.15 0.1 1999‐2014 Average 0.05 710 700 690 680 670 660 650 640 630 620 610 600 0 6/5 7/5 8/5 9/5 Total P‐Day Accumulation Estimated Emergence ‐ June 18th KBREC Actual Water Use: Inches 250 200 Early Late Last 3 days: 0.71 0.53 Last 7 days: 1.75 1.28 Last 14 days: 3.15 2.24 50 0 Es mated Water Use: Next 7 days 1.61 1.19 p‐days Plan ng Date: 150 May 15 June 1 100 June 15 2011 2012 2013 2014 2015 Volume: 7 Issue: 1 Date: June 19, 2015 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 2015 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). Volume: 7 Issue: 1 Date: June 19, 2015 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 June 8 – June 15 Klamath County TRAP 1 2 3 4 5 6 7 8 9 LOCATION Old Hwy. R. Clark Micka NW 1/4 Pivot Sutty S of RxR Hwy. 39 E of Merrill Spring Lake S of X-Rd Homedale S of Diversion S SideBy-Pass A-B Line A-11 Hwy. 140 PTW 0 0 0 0 0 0 0 0 0 BLH 0 0 0 0 0 0 1 0 0 OLH 95 4 3 5 10 15 8 0 0 OP 0 2 5 7 4 18 12 11 6 PP 0 0 0 0 0 0 0 0 0 0 0 N/A N/A 0 0 N/A 0 0 0 0 N/A N/A 0 0 N/A 0 0 4 25 N/A N/A 1 2 N/A 19 1 0 4 N/A N/A 2 1 N/A 3 4 0 0 N/A N/A 0 0 N/A 0 0 PA N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A GPA N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A OA N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A OP N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A PP N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Modoc and Siskiyou 1 2 3 4 5 6 7 8 9 Copic Bay Panhaldle South West Sump Frog Pond Wright Rd. 101 E. of Rd 111 101 W of Rd. 113 Stateline E of Drain 10 Stateline W of Walsh Rd. Aphid Traps 1 2 3 4 5 6 7 8 9 10 Keno/Warden Rd. Lower Lake Malin County Rd. 112 Malin Harpold Rd. Schauppe Rd. Teare Bly Mountain Yonna Drive Mitchell Rd. PTW: Potato Tuberworm BLH: Beet Leafhoppers OLH: Other Leafhoppers OP: Other Psyllids PP: Potato Psyllids PA: Potato Aphid GPA: Green Peach Aphid OA: Other Aphids OP: Other Psyllids PP: Potato Psyllids
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