Topic 3 - Problems.pdf - PBIO*3110 Crop Physiology Problem...

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PBIO*3110 Crop Physiology Problem Set 3 The Yield Equation 1. For each of the following, indicate which component of the "yield equation" (PAR, α C , RUE, HI, or the total integration time) would be most affected in the short term. Justify your answer in each case. a. A sudden drop in air temperature from 23°C one day to 12°C the next, during the grain-filling stage of corn. b. A hailstorm that partially defoliates the crop. c. Growth of tall weeds such that the crop is partially shaded. d. High temperatures during flowering, inhibiting pollination. e. Selection of a group 0 soybean cultivar to grow in the group III maturity zone.
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