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Jenny's REESources

Extension News


Jenny's REESources, by Jenny Rees, UNL Extension
Fair week tends to be time for tasseling in corn and considerations for watering and fungicide application are being made. We've been blessed with rain this year and for those of you with irrigation scheduling equipment, you're seeing that there is still a great deal of moisture in the second and third feet. Consider allowing your crops to keep rooting down to that moisture and uptaking the nitrogen that has moved into those lower levels.
Regarding diseases in corn, we do have some gray leaf spot in the lower canopies and also have some common rust in fields. There has been confusion about a few diseases though. I've received samples and questions about a disease called physoderma brown spot which some have questioned if it's southern rust. The fungus causing physoderma brown spot feeds on pollen and debris on leaves and does not cause harm to the corn plants themselves. I will have photos on my blog at to better explain the differences for you. I haven't seen much northern corn leaf blight in the fields but we do have a bacterial leaf streak that is affecting quite a bit of leaf tissue on some hybrids. There's been concern about this but there's nothing you can do about the bacterial disease. Photos will be on my blog so please don't mistake this bacterial disease as a fungal one and trigger a fungicide application too early. We tend to see southern rust in our part of the state each year; it's a matter of time. Triggering a fungicide application too early may result in no residual for when you need it if or when southern rust occurs; consider good fungal resistance management and your bottom line for proper fungicide application timing.
Do you have a silver maple or pin oak that is yellowing or looking sickly in your backyard? In the past, holes were often drilled in trees and injected with an iron sulfate solution but we wondered if drilling holes was causing more damage to the trees in the long run. A group of master gardeners in Omaha experimented with a less invasive way of treating trees and it was tried last year at the Sutton cemetery with good results!
Double aerate the area under the dripline of the tree (it's the area from the tree trunk out to the leaf edges of the tree). Apply 3-5 pounds of sulfur and 3-5 pounds of iron sulfate under the dripline. The master gardeners were saying three pounds of each for a small tree, four pounds for a medium sized tree, and five pounds for a large tree. Then water. You may notice your leaves turn black and drop but a new flush of growth normally occurs. The aeration method will be a slower change in improving color than the injection method, but is less invasive to the tree and benefits the lawn as well. You should notice the trees greening up by fall and especially next spring.
If your trees are very yellow, you may need to repeat this next year (June-October is the best time for treating trees for iron chlorosis). Iron chlorosis is caused by higher pH soils (more basic) which doesn't allow the plants to uptake the iron from the soil. The sulfur and iron sulfate lowers the pH making the iron more available to the plant. Iron chlorosis is diagnosed by dark green leaf veins with yellowing leaf tissue between the veins. Please let me know how this works for you if you give this method a try!

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Extension News

By Phyllis Schoenholz,
Extension educator
When was the last time you were engaged in a conversation with somebody only to find yourself daydreaming and not paying attention? Or perhaps you were in a hurry and the person just couldn't get to the point.
Or maybe you were caught in a meeting and thought "This is a complete waste of my time." Typically those boring, waste of time situations are one directional and you are not vested. Don't give up; you may not control the pace of the meeting, but you are in control of your thoughts and actions. It may be that only you can change the course of those conversations. How can you do that? Ask powerful questions!
The usefulness of the meetings or conversations you have can depend on the effective use of your own "curiosity." Curiosity is what fuels a powerful question and a powerful question is what fuels a meaningful dialogue.
According to UNL Keith Neiman, Powerful questions are short, simple, sincere and "open ended." They often begin with the words "how," "what," "when" and "who." Often times you know that the question is "powerful" by the silence after the question is asked. The other person is thinking, processing, looking inside themselves etc. If there is silence, don't fill the quiet time with more questions or your comments.
Powerful questions knock others off auto pilot causing them to pause and reflect before they answer. When people speak from this perspective, they are much more engaging and compelling.
Less powerful questions begin with "would, could, did, do, don't, and have." Those words lead to short yes or no responses. Questions that begin with "why" lead to explanations and focus on the problem, not solutions or what can be done in the future. "Why" questions also may make the other person defensive.
Examples of Powerful Questions are:
· What do you want?
· What is important to you?
· How will you know (you have what you wanted)?
· What or who can assist you?
· What are some options?
· What can you learn from this?
· What will you do? By when?
So the next time you find yourself in a boring conversation or meeting, try asking a powerful question and watch what happens.

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