Walnut tree disease spreads to northeastern Colorado

Thousand cankers disease, a relatively new disease to Colorado that is lethal to infested black walnut trees, has now arrived in the northeast plains. The disease was confirmed in Fort Morgan through cooperative efforts of ...

Transporting firewood may spread tree-killing insects

(Phys.org) —Stocking up on firewood is on the minds of many Coloradans, with some seeking full cords for winter fuel while others are in need of only a few armloads for fall hunting trips. But because of the immense impact ...

Research team cracks the walnut genome

Scientists at UC Davis have for the first time sequenced the genome of a commercial walnut variety. The information should accelerate the rate of breeding and variety improvement in walnuts and help breeders select for desired ...

Deciphering the walnut genome

California produces 99 percent of the walnuts grown in the United States. New research could provide a major boost to the state's growing $1.6 billion walnut industry by making it easier to breed walnut trees better equipped ...

Stenospermocarpic fruit linked to unmarketable black walnuts

Black walnut (Juglans nigra L.) is native to much of the eastern United States and is highly valued for its nuts and timber. Black walnut fruit generally reach most of their size by mid-August and mature by late September ...

A nutty idea—a little stress could be good for walnuts

When it comes to watering walnuts, most California growers believe you need to start early to keep trees healthy and productive throughout the long, hot summer. But according to striking results from a long-term experiment ...

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