Hippeastrum fertility

Tim Eck via pbs pbs@lists.pacificbulbsociety.net
Sat, 23 Jan 2021 12:40:51 PST
Does anybody have any idea if there are growing conditions that affect
fertility in hippeastrums?  I am aware that many perennials initiate
blooming better under stress than when well nourished so I don't fertilize
or water them much before buds appear.  But does a similar effect affect
capsule abortion?
I often see the capsules begin to enlarge and then shrivel up and I wonder
if I didn't fertilize them if the same thing would happen.  Right now I'm
seeing about 85% of hand pollinated ovaries begin to enlarge but only about
10% continue to maturity,  Any ideas?
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