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Wednesday, June 27, 2012

Moslty Everything to Know About Determinate Type Tomatoes

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 There are basically two types of tomatoes. They are called determinate and indeterminate. Sometimes you will find a tomato billed as semi-determinate but don't worry about that one. A determinate tomato grows to a set or predetermined genetic height, produces all its tomatoes at once and then the plant dies. Sometimes the plant will start dieing out when the fruit is green. This is normal for a determinate type tomato.

Determinate Type Tomatoes:
  • Typically grow 3 to 4 feet tall and might carry the word 'bush' in the variety name.
  • Tomato seed packs are clearly marked as Determinate or Indeterminate varieties. Sometimes transplants aren't clearly marked. Searching the variety name on the internet will give you the type.
  • Produce all their fruit/tomatoes at once and the plant foliage will begin to yellow and die out.
  • Varying your determinate type tomatoes between early, mid and late producers will keep tomatoes in your garden over the season. Mix up the maturity dates of your determinate tomatoes.
  • Typically requires less staking and caging than indeterminate varieties and make a better choice for container gardening. Managing a 3-4 foot tomato in a container is easier than managing a 6-8 foot tomato.
  • Based on the determinate variety - they don't have to have 'suckers' pruned or only need light 'sucker' pruning. You typically want all of the tomato to grow and mature in your determinate varieties as to get the maximum number of tomatoes from the plant.
  • Are a good choice if you want to can or make sauces. You will get a mass of tomatoes all at once.
  • Often found as hybrids but come in long standing heirloom varieties too.

Monday, June 25, 2012

Tomato Leaf Burn: Baking Soda and Wettable Sulphur Sprays FYI

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This is an FYI entry with a video. I effectively attempted to defoliate my tomatoes by spraying them with baking soda spray. Hmmm...

My original preventative spray was 2 tablespoons of baking soda per 1 gallon of water. It worked well for April and May and the early part of June. I didn't have any signs of leaf spot which attacked many of plants last year beginning in May.

Last week I sprayed heavily on a Tuesday evening with the anticipation of high humidity on Wednesday and Thursday. Within 24 hours, tomato leaf burn started showing up on my tomatoes. Different varieties were effected differently. The culprit was the baking soda and a temperature over 90 degrees. Those day reached 100 degrees. High heat and 2 tablespoons of baking soda per gallon will burn plant leaves.

I recommend cutting the spray mixture to 1 tablespoon per gallon and as always test spray some leaves first. Burn will show up with 24-48 hours. DO NOT spray this mixture and most sprays in direct sun or high heat. I figured I would help save others my  mistake and I shot this video showing the tomato leaf burn.

Good news is... all the plants are recovering fine. I have also been reading that tomatoes prefer more acidity (thus tolerate a more acidic spray better) and because of that I think I am going to start spraying them with wettable sulfur at 1 tablespoon per gallon. Baking soda is alkaline. I might have an early season strategy and a mid season strategy for spraying. Anyway... I hope to not see leaf spot and early blight in my garden. So far so good.



The Rusted Garden's Name and Objects

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Between seed starting, planting,  and tending... I often leave out my shovels, clippers and tools. They rust. Along with this bench, discarded tools and a rusting chiminea... I created the garden's name.  Mixed within in that is the metaphor of age and what happens to us as all over time. We just can't do the things we used to do... well for now I can but just a bit slower.

Rust is Part of the Garden - The Rusted Garden Blog

Sunday, June 24, 2012

Tending Zucchini Grown in Tomato Cages and Squash Bugs

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The time has come for the dreaded squash bugs to start laying eggs on the underside  of your zucchini an squash leaves. I have found 3 sets so far on my zucchini leaves. 

A tip for space management is to grow your zucchini and squash up a tomato cage. It keeps them more contained and makes it easier to inspect them for squash bug eggs.

This video shows you what a cage grown zucchini looks like and it talks about some basic fertilizing needs of the plant. You will also see the dreaded squash bug and its eggs. Go inspect the leaves. They are there... sadly!


Thursday, June 21, 2012

Pruning Tomatoes to Single, Double and Triple Stems

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Tomatoes are vines that can be pruned and maintained. Pruning is often done for disease control and overall plant management. Pruning your plant by removing 'suckers' actually removes future additional stems that will produce flowers and fruit. The more stems you have, the more fruit you typically get. However the more fruit you have the more the tomato plant has to maintain. Often more fruit means smaller fruit. That is fine for cherry tomatoes or smaller tomatoes.

But if you want to grow large 1 pound or 2 pound or record setting tomatoes... you probably want fewer main stems. The 'fewer' fruit will get all the tomatoes energy and grow larger. I recommend experimenting with different numbers of tomato stems.