instructions for beta-testers using excel pollen tube growth model
Post on 26-Dec-2015
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INSTRUCTIONS FOR
BETA-TESTERS USING EXCEL POLLEN TUBE
GROWTH MODEL
FACTORS GOVERNING START
OF TEMPERATURE
DATA ENTRY
1) SUFFICIENT AMOUNT OF KING BLOOM OPEN TO GIVE PROPER CROPLOAD
2) WARM TEMPERATURES (BEES PROBABLY WON’T BE STIRRING
MUCH BELOW 50°F)
3) POLLINATION OF FLOWERS BY BEES
4) SUFFICIENT AMOUNT OF KING BLOOM (%) FERTILIZED FOR
DESIRED CROPLOAD (CAN BE BY VISUAL EVALUATION OR BY NUMBER OF FLOWERS /
BRANCH)
5) REMEMBER: ITS NOT THE FIRST KING BLOOM
FERTILIZED THAT STARTS THE MODEL BUT THE LAST ONE
THAT YOU WANT TO BE PART OF THE CROP
6) FIRST THINNING SPRAY DETERMINES THE CROPLOAD.
APPLY WHEN MODEL SHOWS POLLEN TUBE GROWTH HAS
REACHED THE AVERAGE LENGTH OF STYLES FOR THAT
VARIETY
7) AFTER EACH SPRAY RESET MODEL TO START CALCULATING
POLLEN TUBE GROWTH FOR FLOWERS NOT OPEN WHEN
FIRST SPRAY APPLIED
8) SUBSEQUENT THINNING SPRAYS SHOULD BE APPLIED AS NEEDED
BEFORE MODEL PREDICTED POLLEN TUBE GROWTH REACHES AVERAGE
STYLE LENGTH
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