Segment 4 of S4E21 garden questions answered Mid July - The Wisconsin Vegetable Gardener radio show

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In segment four Joey and Holly answer gardeners questions
Q Is there an organic method to keep cabbage worms off my kale and cabbage other than plucking them off every day? .
A: Apply Diatomaceous Earth
Get some food-grade diatomaceous earth and sprinkle it on plants where cabbage worms are
spotted. The diatomaceous earth powder will kill cabbage worms by piercing their bodies.
Set up a Netting Barrier
Cabbage moths and butterflies may lay eggs a couple of times during the year. During these times, you should set up row barriers or netting barriers across your garden to prevent the adults from laying their eggs. No eggs, no cabbage worm problems.
Dust Leaves with Cornmeal
You could kill the cabbage worms by dusting the affected plants with cornmeal. The caterpillars with eat the cornmeal, swell up, and eventually die. Original all-purpose flour may also work.
Apply Companion Planting
Grow pest-repelling plants (e.g. thyme, mint) next to your susceptible plants. This could discourage the adult butterflies and moths from laying eggs on your valuable garden crop.
Make a Natural Repellent Spray
There are a number of natural ingredients, such as garlic and cayenne pepper, that may deter cabbage worms. Blend these ingredients with water to create the repellent then use a spray to apply it on the undersides of leaves.
Introduce Beneficial Insects
A sustainable approach to getting rid of cabbage worms is by introducing natural predators to the garden. This may include spiders, praying mantis, and ground beetles. In addition to these insects, you may also want to attract other natural predators such as birds and geckos.

Q: my cucumber plants do not look healthy. The leaves have yellow spots on them. I am not noticing any pest on the plant. Again, anything I should be looking for as a cause/cure?
A: You plants have a fungal and bacterial this can happen but in your pictures I do not see yellow or shrivel on the leaves that would be a fungal infection

On your cucumbers you have Anthracnose this is a fungus that is most prevalent in wet and warm conditions. It can overwinter in fallen vines, leaves, and other plant debris, releasing spores in the spring to infect new plants. The spores (conidia) need moisture and mild temperatures to germinate.
the first thing you can do is remove up to 25% of the leaves on the plant just remove the infected leaves and throw them in the trash this will mostly be the lower leaves on the plant

Chlorothalonil (Bravo) and benomyl (Benlate) are popular fungicides used to treat anthracnose these are the active (continued)