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Blog2019-06-26T14:12:07+00:00

Beware of the Cryptomeria Scale Hiding Beneath a Transparent Cover

June 19th, 2019|Landscape, Nursery, Turf|

Armored scales are generally regarded by green industry plant managers as being one of the more difficult insect pests to control. The Cryptomeria scale (Aspidiotus cryptomeriae ‘Kuwana’) is an armored scale that is notorious for being [...]

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Alfalfa and Pachysandra Together Again?

June 19th, 2019|insect-and-disease-control|

Among the boxwood blight scare come samples of pachysandra with small yellow leaf spots. And rightly so–landscape contractors and residential clients alike are worried that they have a disease in the lowly pachysandra that will move into [...]

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Correction of White Pine Weevil Injury

June 19th, 2019|insect-and-disease-control|

Damage from previously active White Pine Weevil larvae (Pissodes strobi) has been evident for the past several weeks on Eastern white pine, Norway spruce, Siberian spruce, Colorado blue spruce, & Douglas-fir. The larvae began feeding [...]

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Needles may fall…

June 19th, 2019|insect-and-disease-control|

Now is the time to monitor for two common diseases of Douglas fir:  Rhabdocline needlecast (caused by the fungus Rhabdocline pseudotsugae) and Swiss needlecast (caused by the fungus Phaeocryptopus gäumannii).  Rhabdocline needlecast is well established in New Jersey Christmas tree plantations, [...]

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Black Vine Weevil Best Treatment Window Nearing End in NJ

June 19th, 2019|insect-and-disease-control|

Many landscape & nursery managers consistently state that attempting to manage the black vine weevil insect (Otiorhynchus subcatus) as one of the most problematic pests they encounter. These leaf notching weevils feed on many kinds [...]

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