black rot – ONfruit

by Kristy Grigg-McGuffin June 5, 2026 0

What the Crop?! Apple Update: June 5, 2026

Bugging out over first covers for pest activity including scale, plum curculio and mullein bug.

leaf frost damage cupping dead tissue apple

by Erika DeBrouwer May 16, 2026 0

Apples Diseases Insects Pest Management

What the Crop?! Apple Update: May 15, 2026

Ontario apple leaves are causing some discourse regarding identification – frost or foe?

by Erika DeBrouwer August 23, 2025 0

Apples Diseases Insects Pest Management

What the Crop?! Apple Update: August 22, 2025

Harvest is officially underway, and this is when the science meets the sweat.

by Kristy Grigg-McGuffin May 16, 2025 0

Apples Diseases Insects Pest Management

What the Crop?! Apple Update: May 16, 2025

Petal to the metal! Orchards are racing through bloom with the warm weather.

by Kristy Grigg-McGuffin August 22, 2024 0

Apples Diseases Featured Insects Pest Management Weeds

Summer 2024 ONcore Newsletter Now Online

The Summer 2024 (Vol 28, Issue 3) ONcore Newsletter (formerly Orchard Network Newsletter) is now posted online. Visit the newsletterContinue Reading

by wendymcfaddensmith July 26, 2024 0

Diseases Fresh Grapes Grapes Uncategorized Wine Grapes

Why is black rot so bad in some Ontario vineyards in 2024?

The frequent windy rains, high humidity and warm temperatures of the growing season have been optimal for the development ofContinue Reading

by Erika DeBrouwer June 15, 2024 0

Apples Diseases Insects Pest Management

What the Crop?! Apple Update: June 15, 2024

Apple season is coming in hot!

by Kristy Grigg-McGuffin July 7, 2023 0

Apples Diseases Insects Pest Management

What the Crop?! Apple Update: July 7, 2023

Heavy rains and unsettled weather give rise to concerns over residue wash-off, summer disease and trauma blight.

by Kristy Grigg-McGuffin June 22, 2023 0

Apples Diseases Events Insects

What the Crop?! Apple Update: June 22, 2023

Aftermath of frost events continues as fruitlets size, hand thinning begins and return to warmer weather may bring conditions conducive to summer pest development.

by Kristy Grigg-McGuffin May 18, 2023 0

Apples Diseases Insects Pest Management

What the Crop?! Apple Update: May 18, 2023

Cool temperatures this week bring concerns for frost/freeze damage across the province while dry weather encourages powdery mildew development.