Re: SV: Leaf Spot: Gene, Culture, Location, Gardener
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- Subject: Re: SV: Leaf Spot: Gene, Culture, Location, Gardener
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- Date: Sun, 8 Feb 1998 22:15:28 -0700 (MST)
>gunnar andersson wrote:
>> Especially when it looks like 'flavescens' looks like it have some
>> natural resistens against leaf spots. it wont hurt so much to be doing >
>>some 'back crossing' again.
>I don't want to contradict your theory about Flavescens, but is your
>Flavescens "upwind" from your modern hybrids? The most common
>transmission of the leaf spot fungus is by the wind. Spores will be
>produced which can be blown by the wind.
Here in the moist east, the only thing flavescens gets is bigger. It does
not rot, even when planted deep and covered with weeds. It does not get
leaf spot. It simply blooms. I should probably try some crosses with it
myself. To my mind, it is all that an iris is supposed to be.
New York, USDA zone 5