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Post by Moonlight on Aug 28, 2014 17:17:35 GMT
sorry to intrude on your conversation but I was wondering what is meant by damping off, you hear it alot and I'm just not sure what it means? Mark 
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Post by Deleted on Aug 28, 2014 18:29:06 GMT
sorry to intrude on your conversation but I was wondering what is meant by damping off, you hear it alot and I'm just not sure what it means? Mark
Yes, some of the threads have gone A'wall over the last week. With a perfect bloom it should be prestine in colour, appearance and petal lay from its center right through to its rear end. Damping off is when a bloom mainly at its rear end shows signs of limpness caused mainly from damp conditions or temperature. This can also be caused by fungal decay associated with again wet damp conditions. If you recall we use this term a lot when striking cuttings, they become limp and the stems turn black due to excessive water. Again damping off in cuttings can be fungal related or growing conditions or both. My understanding is it can be both, but a wetter climate promotes both fungal, pathogen and normal deterioration of a dahlia bloom. A typical variety that suffers this is the Dianes which are used in the early shows as they do not wear up well later in the season when our climate is not as still and dry as what it is in August. |
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Post by MarkE on Aug 28, 2014 19:50:33 GMT
Hiya Mark, good question, this thread is 'Dahlia growing for beginners' and is exactly the right place to ask questions. ]You certainly aren't intruding on the conversation because all posts here are open to all. Going to leave the answer to someone who knows what they are talking about where as I mainly don't.
Yes, some of the threads have gone A'wall over the last week. With a perfect bloom it should be prestine in colour, appearance and petal lay from its center right through to its rear end. Damping off is when a bloom mainly at its rear end shows signs of limpness caused mainly from damp conditions or temperature. This can also be caused by fungal decay associated with again wet damp conditions. If you recall we use this term a lot when striking cuttings, they become limp and the stems turn black due to excessive water. Again damping off in cuttings can be fungal related or growing conditions or both. My understanding is it can be both, but a wetter climate promotes both fungal, pathogen and normal deterioration of a dahlia bloom. A typical variety that suffers this is the Dianes which are used in the early shows as they do not wear up well later in the season when our climate is not as still and dry as what it is in August. That's great Thankyou Woodford and moonlight! |
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Post by Moonlight on Aug 28, 2014 22:13:11 GMT
Hi Mark I like collarettes one of my fav is pooh. I don't like them in the spot they are in mostly. One is impression fabula and the other harteenas. Harteenas was lovely but the spot they are in is a small corner bed that just does not get enough water as partly covered. My fault they are looking bad really. Neglected them and also did not tie them in properly at all. I love seeing the bees on the collarettes and singles. Rain does wash the petals off easily but happens with the med and large decs as well if heavy. Falling in love with the darker foliage varieties I have 2 Lolo love and mignon sunshine love the leaf colour. Getting englehardts matador as dark foliage decorative my friend grows it and I liked it very much. Never harvested seed before. I must try that. How do you do it ? I have a lot of Bedding dahlias so would be good to take seed from them also. Would like in the future to try lots of seedlings. One bedding keeps sporting which is fun. Even my Jean Marie bicolour lilac Dec one flower all white and lilac with one petal red and white. Weird but interesting. Mine don't get any attention either, other than cutting off dead blooms. To save seed you need to NOT take the dead flowers off and leave the seed head on the plant until late September/early October. I then cut the seed head of with about 12in of stem attached and take them to the shed or greenhouse to continue to dry out. Once dry they can be kept in a paper bag until spring when they can be sown in trays indoors. Single-flowered types - such as collerettes - set seed easier than double types but just because you sow seed saved from a collerette does not mean you will get any collerette seedlings. Dahlias cross with each other readily so you could get a cactus, single or anything else. I've even had a fimbriated single in the past which when I showed it to experts at the time I was told it is not possible to get a fimbriated single. The only person who believed it was Dave Bates, and that was because he'd had one the same year  Growing your own dahlias from seed is fun and whatever you get will be YOUR seedling even if sometimes they look like existing varieties. It also adds an extra interest to growing the flower. I used to grow about 100 seedlings a year but stopped because I was giving all my attention to the seedlings and neglecting the show blooms. This is especially true once the seedlings start to bloom and you start to feel like a kid on Christmas morning wondering what presents they've got, and every day you go to the seedlings and wonder what new surprises there will be. |
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Post by Raymond on Aug 31, 2014 8:55:06 GMT
Why I must keep some singles and collarettes for next year just love seeing this.
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Post by Raymond on Sept 1, 2014 9:58:28 GMT
Question on taking seed from dahlias.
How many flowers should I let go to seed ? I am only going to try seed from the bedding ones and the ones I particularly like. Should I just leave one or 2 blooms to go to seed ?
Mark said cut bloom with about 12inches of stem. Let the seed head develop but do you squeeze out the moisture from the head. I tried one today with a bedding bloom and it had 2 seeds did not keep the seed as I will wait a little bit.
Any more pointers would be great. Don't plan to do loads just a few for fun.
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Post by Moonlight on Sept 1, 2014 11:23:38 GMT
The thing with the seeds it is all nature - totally random. You could have 5,000 seeds and not have any germinate. I pluck out old petals, depending on the type. Some seem to release all their petals in one big drop others, I take a few from the back and do more another day. What works for one doesn't necessarily work from someone else. Always be open to trying different ways. I randomly squeeze seed heads but not police them.
Leave it up to nature no matter how eager you are to seed the seeds, the longer you can leave them the better. You'll know when other people are collecting seed heads, I know I'll post about it in my Diary - I did last year.
'Relax' (?) enjoy the colour in your garden. Let Mother Nature work on the seeds.
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Post by Raymond on Sept 1, 2014 11:43:43 GMT
The thing with the seeds it is all nature - totally random. You could have 5,000 seeds and not have any germinate. I pluck out old petals, depending on the type. Some seem to release all their petals in one big drop others, I take a few from the back and do more another day. What works for one doesn't necessarily work from someone else. Always be open to trying different ways. I randomly squeeze seed heads but not police them.
Leave it up to nature no matter how eager you are to seed the seeds, the longer you can leave them the better. You'll know when other people are collecting seed heads, I know I'll post about it in my Diary - I did last year.
'Relax' (?) enjoy the colour in your garden. Let Mother Nature work on the seeds. I will chill out and enjoy the display. Not much left in flower now bar the begonias, gazania, gaillardia and coeropsis and loads of dahlias. Question have you tried nematode slug control. Want to try something else bar pellets and liquid killer next year will also do the grapefruit and beer trap thing. |
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Post by Deleted on Sept 1, 2014 15:43:22 GMT
I use nemetodes Raymond. I order 3 packets, dispatched over the season, first one arrives in March, then the next 6 weeks later, and so on... They certainly do a good job keeping slug numbers down, but only kill the slugs that live in the soil you've covered, not the buggars that travel to the restaurant in the border  . But the best thing they do is kill the eggs and young slugs, keeping the numbers considerably down. You'll find after a couple of years, the slugs you get are coming from elsewhere, which can be dealt with, using pellets.
Mark |
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Post by Raymond on Sept 1, 2014 15:54:35 GMT
I use nemetodes Raymond. I order 3 packets, dispatched over the season, first one arrives in March, then the next 6 weeks later, and so on... They certainly do a good job keeping slug numbers down, but only kill the slugs that live in the soil you've covered, not the buggars that travel to the restaurant in the border . But the best thing they do is kill the eggs and young slugs, keeping the numbers considerably down. You'll find after a couple of years, the slugs you get are coming from elsewhere, which can be dealt with, using pellets.
Mark Mark your so organised ! I hate you  do you order online the nemaslug ones. Noticing loads of the baby slugs and snails recently . Going to pellet again today used liquid slug clear last week was like napalm got loads of the suckers. Next door totally overgrown so keep coming through the swines ! Although they got my lupin seedlings  |
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Post by Deleted on Sept 1, 2014 16:48:54 GMT
It's taken a few years to get this organized, believe me. This is the website I order mine from, www.greengardener.co.uk/product.asp?id_pc=22&cat=35&id_product=47 . I order the 3 programme which gives 18 weeks of protection. I think either side, and the soil temp is to low, although you could probably do four, taking you into early winter. Hope that helps Raymond Mark |
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Post by Raymond on Sept 1, 2014 19:02:56 GMT
It's taken a few years to get this organized, believe me. This is the website I order mine from, www.greengardener.co.uk/product.asp?id_pc=22&cat=35&id_product=47 . I order the 3 programme which gives 18 weeks of protection. I think either side, and the soil temp is to low, although you could probably do four, taking you into early winter. Hope that helps Raymond Mark Cheers Mark I will look into it . Going with the mulcje you told me about and the manure. Mulch first in November on spring beds once they go then the manure for everything going to get 2 lots of bulk manure maybe more. I only gardened on a big scale at my late mother's. I did all the grunt work under her instructions and she was super organised. I am getting better. Will part the planning now. I think all my dahlias are going . Going to do less but better . Have a great time at wisley. |
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Post by markb on Sept 2, 2014 18:27:09 GMT
Question on taking seed from dahlias. How many flowers should I let go to seed ? I am only going to try seed from the bedding ones and the ones I particularly like. Should I just leave one or 2 blooms to go to seed ? Mark said cut bloom with about 12inches of stem. Let the seed head develop but do you squeeze out the moisture from the head. I tried one today with a bedding bloom and it had 2 seeds did not keep the seed as I will wait a little bit. Any more pointers would be great. Don't plan to do loads just a few for fun. You can leave as many or as few flowers go for seed as you want. Yes you do need to squeeze the seed head - daily if possible - to get moisture out of it, but we get so much rain here that I usually don't bother. In this week's issue of Garden News there is an article by Dave Bates or raising and saving seed well worth having for reference. |
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Post by Tel on Sept 2, 2014 18:30:38 GMT
Question on taking seed from dahlias. How many flowers should I let go to seed ? I am only going to try seed from the bedding ones and the ones I particularly like. Should I just leave one or 2 blooms to go to seed ? Mark said cut bloom with about 12inches of stem. Let the seed head develop but do you squeeze out the moisture from the head. I tried one today with a bedding bloom and it had 2 seeds did not keep the seed as I will wait a little bit. Any more pointers would be great. Don't plan to do loads just a few for fun. You can leave as many or as few flowers go for seed as you want. Yes you do need to squeeze the seed head - daily if possible - to get moisture out of it, but we get so much rain here that I usually don't bother. In this week's issue of Garden News there is an article by Dave Bates or raising and saving seed well worth having for reference. Will have to get that, just to see if Dave Bates misquoted me. lol |
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Post by Raymond on Sept 3, 2014 9:51:30 GMT
Been round garden this morning after another 12hour shift at work and think I am going to start digging up my dahlias and binning them. Something very wrong with many of them.
Dahlia smut,fungal possible virus. Have given them an extra feed and tonics etc... To help but nothing working just short lived remedies. Sad and disheartening as put a lot of work in but made to many errors ay the start but you live and learn.
Have sprayed every week for fungal and pests and rotated the sprays as well but whatever is causing the issues is spreading now to my asters so think time to sack the lot and start again.
Time to think to spring and start dealing with issues before they happen.
Will wait until after Kent show and hopefully someone there might know what is causing the problem will take photographs to show.
They are flowering well but looking like crap foliage wise.
The trials and tribulations of a dahlia newbie.
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. But the best thing they do is kill the eggs and young slugs, keeping the numbers considerably down. You'll find after a couple of years, the slugs you get are coming from elsewhere, which can be dealt with, using pellets.
do you order online the nemaslug ones. Noticing loads of the baby slugs and snails recently . Going to pellet again today used liquid slug clear last week was like napalm got loads of the suckers. Next door totally overgrown so keep coming through the swines ! Although they got my lupin seedlings 
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