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New Post 5/7/2009 7:06 AM
  Olefogey
1 posts
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Issues with vegetable garden  (United States)

  This is my first year with trying to grow a vegatable garden here in Florida. I am orginally from New Hampshire, where the growing season, soil, etc. are completely different then down here. Now, mind you, I do love it down here, but am having some issues with my garden.

 A little information on what I have an am working with.

  1. I have a raised bed with a mixture of store bought soil, mixed with some cow manure, and off course, a lot of sandy soil.
  2. Located in Holly Hill
  3. I have several pots with vegi's in also
  4. I am currently using a drip irrigation set for about 20 min.

I have enclosed two pictures of what I am concerned with. The summer squash leaves are washed out, is this a problem that can be corrected? The tomato plant is in a container and has black fungus like stuff on leaves, should I be concerned with this also. If so, how to correct.

 I will stop there, but am very impressed with your site, and plan on being a frequent vistor.

http://i658.photobucket.com/albums/uu307/Olefogey/PICT0011-2.jpg

http://i658.photobucket.com/albums/uu307/Olefogey/PICT0010-1.jpg

Thanks: Olefogey

 
New Post 6/28/2009 9:35 PM
  host
28 posts
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Re: Issues with vegetable garden  (United States)

Dear Olefogey, from the pix of the tomato leaves it looks like you have airborne fungal diseases that require dew or rain to infect the plants. These diseases build up rapidly in wet and humid weather and cause dark leaf spots followed by yellowing and defoliation (leaf drop). They may also produce spots on the fruit.

Cut off the affected foliage and put in the trash can, not the compost pile. Unfortunately these fungal infections are difficult to control once established. This fall, pull up and destroy any remaining vines. Because this fungus can over winter in the soil, rotate your tomato plantings every year (plant in the same place only once every 4 years). Mulch the base of the plants with 1-2 inches of straw, newspaper or other organic materials and water the plants from the bottom. Consider spacing the plants farther apart to increase air circulation and use a fungicide as needed.

You have the same issue with your squash plants -- fungusamongus! Same recs apply.

You may be fighting a losing battle if the plants are in an area with little air movement to help the leaves dry after they get wet. I had the same problem with a potted standard rose in a western exposure located left of my front door next the the wall of my house. There was very little air movement there and I got the white fungus on the leaves which caused them to drop. First I moved the plant to a breezier location then I sprayed with a fungicide.

I found the fungicide in my refrigerator and it worked very well. I used 1 cup of skim milk mixed in a gallon of water and throughly sprayed the tops and bottoms of the leaves with it for 3 days. You can drop it to 1/2 cup of milk and still get the same results. Apparently milk has anti-fungal properties. Whole milk can be used too, but the fat in it will go rancid and cause your garden to smell like sour milk. I did not notice this issue with skim milk. Milk also has calcium that the plants will use.

If you are unsure, Google milk fungicide and you will see it discussed on a few web sites. I can't put my finger on the scientific study that was done in regards to this use of milk in the garden, but it has been proven to be effective. Give it a try, it will not hurt anything and you might be satisfied with the results.

 
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