Those two terms describe the complex tissues that transport food and water in a plant, providing it with sufficient food, ...

The pest feeds just under the ash trees’ barks, eating away in the vascular tissue called phloem, Fike said. The phloem is ...

A citrus quarantine has been declared in Fallbrook after officials detected the presence of the deadly citrus tree disease ...

At the age of 70, I can remember too many epidemics of tree-killing pests sweeping through the Northeastern landscape.

Oak trees sent to the University of Connecticut that originated in a Maryland nursery appeared to have been infected with oak wilt, but the trees were destroyed before the disease could be positively ...

A: The news is really not good. I am so sorry, but the top is almost assuredly going to die away. The tissue just inside the bark is called the phloem, and it’s a cylinder that conducts manufactured ...

Emerald ash borer was found Sept. 4 in North Dakota for the first time. EAB is an invasive, destructive insect that eats the ...

An Asian wasp is the hero in the battle against the ash borer. Wasp releases have ensured that ash borer populations no ...

The Harrisonburg Public Works Department said despite the lanternflies’ prominence right now, there is reason to be ...

红豆杉又称紫杉，国家一级珍稀保护树种，也是世界上公认的濒临灭绝的第四纪冰川遗留下来的古老树种。科学家利用红豆杉提取物制成了抗癌药物紫杉醇，是治疗多种癌症的有效药物之一。内生真菌是指在其生活史的一定阶段或全部阶段生活在植物的各种组织，对植物组织不会引起 ...

This summer, after spending the last 17 years underground, millions of periodical cicadas emerged in southern Wisconsin. WUWM ...