Daylilies forum→Collecting Pollen

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Name: Robert R.
Wharton, TX (Zone 9a)
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adc1947
May 20, 2020 6:42 PM CST
Will pollen collected at the end of the day, in the afternoon when sun is no longer overhead... will the pollen still be fertile and useable ...?

Mid-day time temps are in low 90's
Name: Maurice
Grey County, Ontario (Zone 4b)
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admmad
May 20, 2020 7:23 PM CST
The research that was done on the effect of temperature on pollen by Arisumi indicates that temperatures above 85 F are detrimental to its fertility. Most pollen will be less fertile than that collected at lower temperatures in the early morning and kept cool, but the pollen of different cultivars will differ in how strongly their pollen loses fertility at high temperatures. Arisumi tested six cultivars and the pollen of two of them was about 70% as good at 95 F as at 75 F. The other four cultivars had poorer pollen.
Maurice
Name: Robert R.
Wharton, TX (Zone 9a)
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adc1947
May 20, 2020 7:26 PM CST
admmad said:The research that was done on the effect of temperature on pollen by Arisumi indicates that temperatures above 85 F are detrimental to its fertility. Most pollen will be less fertile than that collected at lower temperatures in the early morning and kept cool.....


Thanks.... I was afraid that might be the case... appreciate the info.

RR

Name: Roger & Karen
Birmingham, Al (Zone 7a)
Daylilies Plant and/or Seed Trader Region: Alabama Butterflies Enjoys or suffers hot summers Seed Starter
Hummingbirder Critters Allowed
Diggerofdirt
May 21, 2020 7:53 PM CST
So do i
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