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'White Maman Cochet' rose Reviews & Comments
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I hope this illustrates that those roses that don't usually set hips can do so under certain conditions. In February this year I noticed a bloom of 'White Maman Cochet' that had been half-eaten away by some pest, partly exposing a group of normal looking pistils. I removed the rest of the petals and I took the opportunity to pollinate it using 'Papa Gontier' because it was fresh on hand. Of course I had no idea if it had already been pollinated by an insect before I got to it. The hip readily swelled and then actually split but continued to develop on the bush. Today (20th May 2018) I noticed that the hip had been nibbled by some pest so, even though it didn't appear ripe, I cut it off to avoid losing it all together. There were many seeds inside, some very small but I'll plant them all to see what comes up. This is the only hip I've ever seen on my 'White Maman Cochet'.
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Divide them into three, and
1. put one third in a paper towel with a few drops of water, and then into a plastic-wrap bundle in the crisper for four weeks.
2. plant one third now in a tray of seed raising mix
3. I don't know. Any suggestions from anybody?
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#2 of 10 posted
21 MAY 18 by
 HubertG
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I've just put them in a snap-lock bag in the fridge for now. I don't really know if tea rose seeds benefit from cold treatment. Does anyone else know? Does this only benefit European roses? I figure it can't hurt anyway. I'll plant half of them next weekend in any case.
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#3 of 10 posted
1 JUN 18 by
HubertG
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I didn't know where to put this, so I thought I'd just add it on here. It's a reference to a yellow sport of 'White Maman Cochet' but I don't know if it was ever introduced into commerce.
From 'Rosen-Zeitung' 1910, page 13
"Gelber Maman Cochet - Sport
Herr Pfarrexpositus Kromer besitzt seit 2-3 Jahren einen schön gelben Sport der weissen Maman Cochet. Die mir Ende November gesandten Blumen waren scwefelgelb. P.L."
My translation: (and not exactly sure how 'Pfarrexpositus' should translate, but it's a Church position).
Yellow Maman Cochet - Sport
Pastor Kromer has in his possession for the last 2-3 years a beautiful yellow sport of 'White Maman Cochet'. Those flowers sent to me at the end of November were sulphur-yellow.
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I will respond further in 'Pastor Kromer's Yellow Sport of White Maman Cochet'.
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#5 of 10 posted
12 DEC 18 by
HubertG
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Just a follow-up on the hip from my 'White Maman Cochet' - today I noticed the first seedling had germinated from the seeds I'd planted. At least it shows that the seeds are viable, especially since they were all rather small. I hope it survives and I get something worthwhile keeping.
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#7 of 10 posted
12 DEC 18 by
HubertG
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Thanks, I'm hoping it might be somewhat mildew-resistant especially if the pollen parent is 'Papa Gontier', so it might have a good chance to survive its first few weeks.
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#8 of 10 posted
26 JAN 19 by
HubertG
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It died :-(
It never really took off and just languished. Hopefully more from this hip will come up.
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#9 of 10 posted
25 NOV 21 by
pminor
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Did you ever get a viable plant from any of these seeds?
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#10 of 10 posted
26 NOV 21 by
HubertG
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Pminor, I did get a handful of seeds germinating but unfortunately none of them survived. It can get quite humid where I am in Sydney, and I found that the seedlings grow along OK but then suddenly succumb to mildew and perhaps other fungal disease when the weather warms up. I have managed to get more hips from various crosses of my 'White Maman Cochet' and have some seedlings that germinated this year, and hopefully with a better fungicidal regime they will survive (fingers crossed). These were by various pollen parents, but already two seedlings using 'Papa Gontier' as the father did not thrive and died after being affected badly with mildew. I suspect too that 'Papa Gontier' as we grow it has an odd ploidy (doesn't set hips) and so perhaps as a pollen parent doesn't make for vigorous seedlings.
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The form in the Australian Tea-Noisette-China Collection at Ruston's Roses is the Australian sport introduced by Marshall in 1896.
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