Fusarium and Verticillium are two wilt diseases that affect the vascular system of plants.  Both are soil borne and the best defense is to plant varieties that have some resistance to these pathogens.  On a tomato label, you will see letters behind the plant variety, “Celebrity VFNT”.  The V & F stand for resistance to fusarium and verticillium wilt.  For more information on ways to deal with these wilts, here are links from K-State Research and Extension and University of Maryland Extension. 

https://hnr.k-state.edu/extension/info-center/common-pest-problems/common-pest-problem-new/Fusarium%20and%20Verticillium%20Wilt%20of%20Tomato.pdf
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https://extension.umd.edu/hgic/topics/fusarium-wilt-tomato-vegetables
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These 3-4” caterpillars like to eat tomato leaves and other solanaceous crops.  It is the larval stage of the five spotted hawk moth or sphinx moth.  These are the large 4-5” moths you see flying around from time to time.  Often you can just handpick the caterpillars off or plant an extra tomato plant and move to it. If you see the caterpillar with white projections from its body, leave it on the plant or move it to the tomatoes in the Rows for the Hungry.  The caterpillar has been parasitized by beneficial insects called braconid wasps.  They use the caterpillar as a food source and then hatch to parasitize other hornworms.  Hornworms can do damage, especially when there are many of them.  One or two will not significantly hurt your tomato plant.  Allow those that are parasitized to stay on the plant as the wasps hatch and will attack the very small hornworms that are not noticeable.  To read all about it, here’s a link. ​

https://hnr.k-state.edu/extension/info-center/common-pest-problems/common-pest-problem-new/Tomato%20Hornworm.pdf

Growing tomatoes, peppers, squash or melon is sometimes frustrating when all the new fruit you are anxiously anticipating rots. Blossom end rot is not a disease, rather a physiological disorder in the plant.  It is most often seen when conditions in temperature and soil moisture change rapidly, drought stress, root injury and excessive Nitrogen fertilization.  The plant gets confused and cannot move calcium in the plant to the right places.  This sometimes occurs even when growing conditions are favorable.  However, the condition corrects itself in a week or two and further fruit development is unaffected.  For more information about Blossom End Rot, here’s a link from K-State Research and Extension.
https://hnr.k-state.edu/extension/info-center/common-pest-problems/common-pest-problem-new/Blossom-end%20Rot.pdf
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Japanese beetles have quickly become one of the most detested insects of all time.  They are indiscriminate and feed on a multitude of vegetables, ornamentals, trees, and plants.  A lot of research is being conducted to combat these gregarious feeding insects.  There are options for control that depend on the plant being attacked, the amount of infestation and your level of time.   Note there are many websites that have the answer/product/cure/trap for Japanese beetles.  When researching online, find a trusted source, such as .edu or .gov or .org, that has actual research and not just anecdotal evidence.   Here are a couple of sources I have found to be updated on a timely basis and filled with fact-based information.

https://hnr.k-state.edu/extension/info-center/common-pest-problems/common-pest-problem-new/Japanese%20Beetles.pdf

https://extension.colostate.edu/topic-areas/insects/japanese-beetle-5-601/

​http://www.missouribotanicalgarden.org/gardens-gardening/your-garden/help-for-the-home-gardener/advice-tips-resources/pests-and-problems/insects/beetles/japanese-beetle.aspx