New approaches to frost control

The height of the vines influences how they fare during cold weather.

ADVERTISEMENT

  • Effective fruit thinning

Effective fruit thinning

  • April 15th, 2010

To evaluate thinning effectiveness using the “fruitlet model,” individual apples must be labeled and measured two or three times to assess their rate of growth.

While chemical fruit thinners can work fairly well on apples, the thinning effect is variable year to year.

Growers are reluctant to make repeated thinner applications [...]

Micronutrients for juice grapes

  • April 15th, 2010

Though results are preliminary, representing only the first year of work, a research project studying micronutrient utilization by juice grapevines has found that timing and the combination of nutrients can make a difference in plant response.

Washington State University soil scientist Dr. Joan Davenport and her colleagues at WSU’s Irrigated [...]

  • Options for weed control

Options for weed control

  • April 15th, 2010

Good weed control is most important early in the season, but fall may be a better time to get the job done.

Good weed control is essential in modern orchards, where trees are planted at high densities on weak, shallow-rooted rootstocks and can’t handle much competition for water and nutrients.

Given [...]

  • Constructing a trellis

Constructing a trellis

  • April 15th, 2010

When planting an orchard, don’t forget to leave room for the anchor, which is the most critical component of a trellis. It should be as far away from the end post as the height of the post, and the end post should lean slightly towards the anchor.

Anchors are the [...]

  • Nutrition guidelines for grapes

Nutrition guidelines for grapes

  • April 15th, 2010

Dr. Joan Davenport, who has long championed the need for grape nutrition guidelines specific to the Pacific Northwest, is in the process of publishing an Extension bulletin with the new recommendations.

The long- awaited nutritional standards developed specifically for Pacific Northwest juice and wine grapes are in the process of [...]

  • Apples from the prairie

Apples from the prairie

  • April 1st, 2010

Autumn Delight (right photo) and Misty Rose.

Three apple cultivars released by the University of Saskatchewan fruit breeding program are being recommended for commercial production in that prairie province this year, according to fruit breeder Dr. Bob Bors. They are Autumn Delight, Prairie Sensation, and Misty Rose.

Autumn Delight (top photo [...]

  • The lowdown on drip

The lowdown on drip

  • April 1st, 2010

Drip irrigation systems are designed to deliver water precisely and uniformly to the crop roots and often results in water savings. Water is applied in low volumes at frequent intervals.

There are two types of drip systems: a rigid drip tube that can be used as a permanent system and [...]

  • Australia testing two new pears

Australia testing two new pears

  • April 1st, 2010

Garry Langford says testers will be licensed to grow trees for five years to produce enough pears for sampling.

Two new pear varieties from Australia are being propagated for testing in the United States.

One is an early-season blushed yellow pear that is ready to eat off the tree; the other [...]

  • Mechanical thinning works

Mechanical thinning works

  • April 1st, 2010

The mechanical string thinner knocked off 15 percent or more dormant buds in this Santina block. Right: The Darwin string thinner.

Soft fruit growers in the United States are catching on to what seems to have been a well-kept secret in Germany. With three years of data by U.S. researchers [...]

  • Fruit from the Prairie

Fruit from the Prairie

  • April 1st, 2010

The five members of the Romance series of sour cherries, released in 2003, surround Carmine Jewel, which was released in 1999. All are very dark and sweeter than the tart cherries produced in the United States.

Fruit production doesn’t get much attention at Canada’s 52° north latitude, but plant breeders [...]

  • Tree planter pays dividends

Tree planter pays dividends

  • April 1st, 2010

Yakima Valley Orchards designed and built its own three-row tree planting machine.

Yakima Valley Orchards used to plant trees by hand, with workers digging holes with shovels. Now, it has a three-row planting machine that has cut labor costs in half. But, Travis Allan, operations manager, said the real value [...]

  • It just got out of hand

It just got out of hand

  • April 1st, 2010

Phil Brown Welding officially started business in 1964, after some years as an unofficial provider of specialized fruit industry equipment.

“My dad was a fruit grower,” Phil said. “We started building machines for our use, and then began building stuff for the neighbors. It just got out of hand.”

His brother, [...]