Agriculture

UC Master Gardeners of the Lake Tahoe Basin: Article

Central Sierra: Potato Growing Instructions

April 28, 2026
Potato Seed PreparationPotato 'seeds' are actually bits of potatoes with at least a couple eyes, from which the plants develop. Larger seed potatoes can be cut if they include at least 2 eyes each, just be sure to allow 24 hours to dry or become callused before planting. Potatoes will tolerate light…
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Citrus IPM News: Article

Citrus thrips season has begun

April 1, 2026
By Sandipa Gautam
Citrus Bloom Has Ended in the San Joaquin Valley, Citrus bloom has now been called by the counties across much of the southern San Joaquin Valley, including Kern County, Tulare County, and Fresno County. With petal fall behind us, orchards are entering one of the most critical windows for pest management,…
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UC Master Gardeners of the Lake Tahoe Basin: Article

Vegetable Planting Schedule for the Lake Tahoe Basin

March 23, 2026
Below is a crop-by-crop summary of the best time to plant vegetables here in the Lake Tahoe Basin.  Keep in mind these are estimates of ideal planting windows, each season can bring very different conditions so also take into account potential freezes in the weather forecast and your individual planting…
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The green foliage of a small sycamore tree coated with fluffly, white patches of powdery mildew fungus.
Pests in the Urban Landscape: Article

What's That Powdery Stuff on My Plants?

March 5, 2026
By Belinda Messenger-Sikes
Have you seen white powdery-looking patches appearing on the leaves of your roses or sycamore trees? While home gardeners may be familiar with this sign of the plant disease powdery mildew on their veggies, ornamental plants and landscape trees can also be infected. In addition to those powdery spots, the…
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2025 Biological Evaluation Trial
Salinas Valley Agriculture: Article

2025 Biological Product Evaluation Trial in Romaine Lettuce: What Did We Learn?

February 25, 2026
By Paramveer Singh
A late-summer test on a farm near Soledad, CA, looked at eight biological product programs for romaine lettuce compared to a standard method used by growers, with normal irrigation and nutrients in the Salinas Valley. The marketable stand was the same in all treatments, and the amounts of fresh and dry…
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Ground-level view of a grape harvest scene with scissors and bags of harvested grapes
Food Blog: Article

Can a simple spray protect grapes from wildfire smoke?

February 23, 2026
By Emily C. Dooley
Smoke from wildfires can alter grapes and affect the taste and sensory experience of wine. Researchers are applying a calcium spray to grapes to see if the treatment can protect the fruit from smoke exposure.
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