Information and discussion regarding garden diseases, insects and other unwelcome critters.
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December 19, 2014 | #16 | |
Tomatovillian™
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December 19, 2014 | #17 |
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What I've found over the years at many message sites is that lots of foks refer to blight as a generic way of indicating they have a sick plant. The don't distinguish between foliage diseases and systemic soilborne diseases such as Vert, Fusarium, RKN's, etc.
Yes, mulch can help prevent splashback infection when usually plants in a previous year have dropped fungal spores to the soil surface and the next year those spores can be bounced back to the foliage by rain or irrigation. All NEW foliage infections are acquired via wind and embedded in rain drops. But mulch cannot help when the soil is infested, if you will, by the soilborne pathogens, however they got there in the first place and can remain there forever. Carolyn
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Carolyn |
December 19, 2014 | #18 |
Tomatovillian™
Join Date: Feb 2006
Location: Den of Drunken Fools
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I have found that when you mow dont allow dust to settle on your plants.
I always wait till the wind is in the right direction or only mow on the leeward not the windward side of the garden. With all of the dust we have in the summer this helps tremendously. Worth |
December 19, 2014 | #19 |
Tomatovillian™
Join Date: Sep 2012
Location: Oklahoma
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I wouldn't go quite that far Carolyn. Soilborne pathogens can be removed by a process called competitive exclusion. Mulch actually helps one do this.
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Scott AKA The Redbaron "Permaculture is a philosophy of working with, rather than against nature; of protracted & thoughtful observation rather than protracted & thoughtless labour; & of looking at plants & animals in all their functions, rather than treating any area as a single-product system." Bill Mollison co-founder of permaculture |
December 22, 2014 | #20 |
Tomatovillian™
Join Date: Jul 2014
Location: Wes Newton,PA
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Bad Iron Lady Results 2014
I sent an email to a person at Cornell Univ with an excel sheet and photo showing my plants and my comments; no response back
I live in Western Pa and we did have a wet summer. I show that I sprayed all plants with daconil 4 times and may have done 1 additional spraying of daconil All my tomatoes were started from seed-early girl, best boy, better boy, ace, iron lady, goliath, rose de berne, oxheart, beefsteak. Some were planted in black plastic and others in new soil with mulch. Bottom line is I was not pleased with Iron lady and as with other plants had blight. I really didn't see a significant difference for blight with iron lady. My best results were with Best Boy |
December 30, 2014 | #21 |
Tomatovillian™
Join Date: Feb 2010
Location: Indiana
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Last summer in Indiana was relatively cool and wet, wet, wet. Septoria ate all my plants, but interestingly, Burpee's Orange Wellington fared the best and kept on producing new foliage and fruit. Mulch? Yes! I started growing my tomatoes in soil on plastic several years ago, and I could not believe the difference in reducing foliage diseases. But this year I'm going to use more resistant varieties, including Iron Lady and Mountain Spring Plus, and likely I'll spray Daconil a couple of times. The way this usually works, I'm "fighting last year's war," and this will be just a normal summer. :-) As for Crimson Crush, when seeds are available, it's probably worth a try.
-GG |
December 30, 2014 | #22 |
Tomatovillian™
Join Date: Oct 2014
Location: France
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Hi,
I'm not sure alternaria or septoria are as bad as late blight. It can destroy a whole crop in only a week. Late blight can be a terrible problem for tomato growers in some areas, and with the rain we had this summer in western Europe and the virulent new mutations of phytophtora I wish we could have some good tasting resistant varieties. I hope Crimson crush will prove as late blight resistant as they say, and that we will be able to get some seeds and test it in our gardens, if it isn't a hybrid. I had nearly given up growing potatoes when I discovered sarpo mira. It is amazing, I just hope it will prove resistant to new mutations of phytophtora. If only we could have an equivalent with tomatoes. I've heard of a few varieties but I've been told they're very bland in taste. So if Crimson crush has resistance AND flavour, wonderful! I know Tom Wagner is working on a few strains too. Maybe in a few years we'll have interesting varieties for cold damp climates, and we'll be able to grow tomatoes outdoors and not only in greenhouses. |
January 13, 2015 | #23 |
Tomatovillian™
Join Date: Sep 2014
Location: France
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It seems to me that Crimson Crush is an F1, look at the 'F1' icon on the right
http://www.suttons.co.uk/Gardening/V...971.htm#242971 |
January 13, 2015 | #24 |
Tomatovillian™
Join Date: Jun 2010
Location: England
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Hmm, that is new information. I hope this does not mean that Crimson Crush is not homozygous for both ph genes. I may skip on buying the very expensive plug plants this first year and work on my own segregating potentially LB resistant populations instead, while waiting for reports from the early adopters.
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January 14, 2015 | #25 |
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If someone needs some 100% late blight resistance seed to work with I have a few seeds of Magic Trick; and Skykomish from Tom Wagner. Probably only enough for one person. PM me if you would like some. One request has been filled. Offer fullfilled.
Last edited by WillysWoodPile; January 15, 2015 at 02:25 PM. |
January 15, 2015 | #26 | |
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From the website:
Quote:
This surely does not account for most blight strains you would see in the US. Last edited by snugglekitten; January 15, 2015 at 06:17 PM. |
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January 16, 2015 | #27 | |
Tomatovillian™
Join Date: Jun 2010
Location: England
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January 26, 2015 | #28 | |
Tomatovillian™
Join Date: May 2013
Location: Honey Brook, PA Zone 6b
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I would have to politely disagree. All my tomato beds were mulched. All my beds were devastated by late blight.
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January 26, 2015 | #29 | |
Tomatovillian™
Join Date: Jan 2011
Location: S.E. Wisconsin Zone 5b
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Quote:
Thanks again. Dutch
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January 26, 2015 | #30 |
Tomatovillian™
Join Date: Feb 2006
Location: Den of Drunken Fools
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All it takes is some infected dust in the air to land on your plants and your doomed.
Worth |
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