Daffnetters, We in California have a very difficult time growing/keeping white cultivars. They are annuals and just disappear – be it basal rot or whatever. When I was a starting to exhibit in shows, white blooms were almost never seen.…
Category: Basal Rot
Fertilizer affects bulbs down multiple years
The subject came up about n. Obvalaris blooming GREAT the first year and then dwindling down to a few blooms. Last year I showed photos of some of our daffodils planted in soil with a PH of 4.5 and with…
Trichoderma
BASAL ROT n – folder 7.doc Hi all, For those interested in finding out more on trichoderma see John McLennan’s article in the NZ Daffodil Annual 2009. He outlines the experiments being carried out by some growers in his…
basal rot and tulips
Basal rot is caused by a fungus called fusarium oxysporum spp narcissus, which lives in the soil. (See Dr. Ted Snazelle’s book, “Daffodil Diseases and Pests”, available from ADS.) It might diminish in numbers if there are no host plants,…
Basal rot and tulips
I’ve got an area that has developed a basal rot problem. I removed all daffodils this year and plan to rest the area for a couple of years. Can I put tulips there would that perpetuate the problem and defeat…
Organic approach
The NYTimes article about Harvard’s organic approach is useful, although necessarily general for newspaper purposes. I have been doing a lot of internet research over the past few years, and it seems clear that science-based knowledge about the organic aspects…