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Post by mayz on Aug 28, 2012 6:31:56 GMT -5
Many double red ears have a staminate tip. Is it typical of this cultivar? Or induce by long daylenght ? Does anybody already observe this in double red?
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Post by Deleted on Aug 28, 2012 7:11:21 GMT -5
If memory serves, Double Red is part American sweet corn and part South American Morado. I grew 3 strains of Morado this year and there were many plants with staminate tips in each. The trait likely got transferred into Double Red.
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Post by mayz on Aug 28, 2012 7:37:19 GMT -5
I know a lot of folks have had an interest in Alan Kapulers work with Martian Double Red Sweet Corn, Martian Jewels, and so forth. I was particularly interested about the lines that were bred from these experiments and what the parents of the crosses and resultant OP and segregates were so I asked him, the answer was pretty interesting. For those interested in the high Anthocyanin lines, here is Alan Kapuler's Response: Martian Red=Purple Martian=Martian Purple came from the observation that the purple trait was all or none ie maternally inherited and it arose from Hopi germplasm in combination of one of the sweet corns we have been growing for decades, likely our selection of Platinum Lady to give True Platinum now from this original line we crossed it to Ruby Queen and derived Double Red. then we crossed it to Silver Choice and that gave rise to Martian Jewels then we crossed it to Breeder's Bicolor and maybe one more. From Double Red we have recently been working with the cross with seF1Miracle and have several generations beyond the very nice crop of F1 seeds. When I ran out of Double Red, I filled orders with F3 Red Miracle so folks wouldn't be disappointed. Seems to have worked. So that is the origin of the high anthocyanin sweet corns; public domain plant breeding. AMK According to Mushroom the germplasm constituting DR comes from Platinum Lady, Ruby Queen and Hopi corn (which one?) but not from Morado race.
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Post by Deleted on Aug 30, 2012 18:49:28 GMT -5
I noticed on your blog that you had a problem with smut on the Double Red also. My French is poor, so I couldn't tell how bad. How severe was your infection? I planted both Double Red and several Mexican strains in the same field, and though the Mexican corns had both smut and eyespot, the Double Red had neither.
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Post by mayz on Aug 31, 2012 2:52:32 GMT -5
Only one ear infected in a patch of 100 plants. So the damage is very limited.
I must say that sweet corn growing is really easy here. You put a seed in the soil if it sprouts you are sure to have a nice ear in autumn. No animal's damage, no bug, no worm, no need to irrigate and limited fungal diseases. One limitation: long season corn because we have a long (180 days) fresh (1300GDD) season.
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Post by keen101 (Biolumo / Andrew B.) on Aug 31, 2012 20:18:00 GMT -5
Last year i planted a few rows of double red. Almost all had smut, but they were planted in a bad spot with no irrigation, and had stubby cobs because of stress. So its not surprising.
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