Re: [Apple-Crop] spray damage?

Have you looked at the spray program to see if there was an overdose of a chemical.. It looks like lenticels burn.. Possibly an overdose of calcium chloride or another element.. Mosbah Kushad, U of Illinois From: apple-crop On Behalf Of Brian Alan

Re: [Apple-Crop] Problem with pear trees

, or adult). The honeydew "seems" to come out of the buds but we could be wrong. Regards, Mo On Sep 18, 2017 10:48 PM, "Kushad, Mosbah M" <kus...@illinois.edu<mailto:kus...@illinois.edu>> wrote: Do you see a lot of russeted fruits with dark spots? PP nymphs pro

Re: [Apple-Crop] Problem with pear trees

Do you see a lot of russeted fruits with dark spots? PP nymphs produce the honeydew that drips on the fruit surface causing the russet.. Washington State University has a very nice factsheet.. Here is the link.. http://jenny.tfrec.wsu.edu/opm/displaySpecies.php?pn=120.. Mosbah Kushad,

Re: [Apple-Crop] Shopping list: Looking for insight on flyspeck, fire blight, pheromone trap thresholds

Hi Vince: Regulaid and LI700 have different formulations that can each have different effects on different chemicals.. For example, Kasumin is more soluble in water than strep. and strep is insoluble in organic solvents like ether, ethanol, etc. (LI700 has PE-ether see blow), not sure about

Re: [Apple-Crop] Thining D'Anjou pears

Art: Be careful when thinning d’anjou. They tend to set less fruits compared to Bartlett and so it is better to make sure they have high set before applying any thinners. I suggest using mild thinners. Amid Thin, Abscisic acid, Retain, and Pro-Tone have been used to thin pears. The problem

Re: [Apple-Crop] Newbie Orchardist questions Herbicide on First Year Plantings

Doug: Here is a good list of herbicides and when to apply them. (http://www.aces.edu/pubs/docs/I/IPM-0011/IPM-0011.pdf). there are a few that you may be able to use.. (for example Gromaxone, Rely, Fusilade, Post) read the label, but a hooded sprayer and protection of the tree trunk are highly

Re: [Apple-Crop] When to Head or Tie Down Tall Tall Spindle to promote lateral growth?

My suggestion is not to head the leader unless it has reached its maximum height, then head it back to a weak lateral in winter. As you mentioned, tie-down the leader in early spring, but don’t forget to bring it back up after bud break and before it stiffens in mid-summer (early July in

[Apple-Crop] looking for Baxter Black Winesap

Any of you know of a source of trees or budwood for Baxter Black Winesap. The grandfather of one of our Illinois residents had patented this cultivar in the late 1940's. Happy holiday and new year to all Mosbah, University of Illinois

Re: [Apple-Crop] Jonagold

I agree that a fruit needs adequate number of leaves to produce sugars that it uses to produce the coloring substance (anthyocyanin), among other things... However, fruit color will not be any better in an off year when the tree may have only a handful of fruits and a large number of leaves.

Re: [Apple-Crop] Jonagold

Art: Many factors contribute to poor color in “Jonagold” and other varieties of apples. 1. “Joangold” is not a high coloring cultivar, except in excellent sites where it can get adequate cool nights and warm (but not hot) days at least one month before harvest. 2. “Jonagold” is a