If the erratic, hot then wet weather wasn’t enough, temperatures have fluctuated the past few days with night time temperatures becoming much cooler in some parts of the state and region. With this comes the potential for cold injury on spring planted crops. Cold injury can take may different shapes on affected plants and developing […]
Continue reading...June 1, 2021 Tim Waller
Nursery – Pest Scouting Guide for June, Boxwood blight advisory, survey requests
BOXWOOD BLIGHT There is an immediate potential for boxwood blight June 4/5th throughout NJ. Preventative / protective fungicide applications should be initiated and continued in high value crops Boxwood Blight risk-model information, considerations, and links: Boxwood Blight Risk Assessment as of 6/1/2021 Region Location CODE 1-Jun 2-Jun 3-Jun 4-Jun 5-Jun 6-Jun Southern Upper Deerfield NJ50 […]
Continue reading...June 1, 2021 Andy Wyenandt
Controlling basil downy mildew in the field
For over a decade, basil downy mildew (BDM) has caused significant losses in basil grown in organic and conventional field and greenhouse production across the United States. At the time of its introduction, there were very few fungicides labeled for its control making it nearly impossible to grow a successful crop in many areas of […]
Continue reading...May 31, 2021 Steven K. Rettke
Some Key Armored Scales & Crawler Emergence
A Large-Scale Dilemma: Undoubtedly many arborists, landscapers, nurserymen, and golf course superintendents would agree that effectively controlling scale insects is one of the more frustrating pest management challenges encountered. Of the half-dozen major families of scale insects common in the urban landscape, the armored scales are the most troublesome. With their protective waxy covering, […]
Continue reading...May 31, 2021 Andy Wyenandt
Cucurbit downy mildew forecasting website up and running for 2021
For cucurbit growers who have been using the CDMpipe website the past few years to track the progress of cucurbit downy mildew in the US, a new website was relaunched for the 2020 growing season. Anyone can visit the new website by clicking here. Please take the quick survey to help our colleagues out! To receive […]
Continue reading...May 30, 2021 Cesar Rodriguez-Saona
Sparganothis Fruitworm Degree-Day Update: as of May 30, 2021
Based on our degree-day model for Sparganothis fruitworm, flight initiation is expected at around 596 DD (see chart). As of May 30, Sparganothis has accumulated 607 DD (using March 1 as biofix) or 455 DD (using April 15 as biofix; a more realistic biofix based on the time when winter water was removed from most […]
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