Online Phenology Models and Degree-day Calculator
immaturedamageadult
pecan nut casebearer [pecan]
insect model of Jackman and Harris (1988)


Output from uspest.org/wea insect degree-day/phenology model program:
	Heat Units and predictions of key events from daily weather data
==============================MODEL INPUTS================================ Model species/general links: pecan nut casebearer [pecan] Type: insect Model source/other links: Jackman and Harris (1988) Calculation method: simp avg/grow Lower threshold: 38 degrees Fahrenheit Upper threshold: 120 degrees Fahrenheit Directions for starting/BIOFIX: 10 days before 50% bud break or see 1st reference link Starting/BIOFIX date: 3 1 No ending date, set to: default date 12 31 Model validation status: use with caution; requires local validation Region of known use: in current use in NM and TX; OK version slightly different ==============================EVENTS TABLE================================ 1. 956 DDs after biofix: 10% pupation 2. 1183 DDs after biofix: 50% pupation 3. 1413 DDs after biofix: 90% pupation 4. 1521 DDs after biofix: 10% adult emergence 5. 1740 DDs after biofix: 50% adult emerg; 1st inspection of nut clusters for eggs 6. 1823 DDs after biofix: 10% egg laying; 1st eggs hatch; 2nd inspection of nut clusters for eggs 7. 1936 DDs after biofix: 90% adult emerg; 50% egg laying; 16% egg hatch; 12% nut entry 8. 2100 DDs after biofix: 84% egg laying; 52% egg hatch; 25% nut entry 9. 2300 DDs after biofix: 80% egg hatch; 70% nut entry 10. 2610 DDs after biofix: 90% nut entry ==============================MODEL OUTPUT================================ Weather station: 1000 none selected mn day max min precip DD38 CUMDD38 event -- --- ----- ----- ------ ---- ------- -------