糖心视频

Skip to content

糖心视频 Hilo, Hawaiʻi CC and all 糖心视频 units on Hawaiʻi island will be closed Thursday (9/24) and Friday (9/25), due to Tropical Storm Nolo. 糖心视频 Maui College and all Maui county units will be closed Friday (9/25).
Students and employees should look for campus-specific messages with additional information on operations, employee reporting and any other exceptions. Please monitor your @hawaii.edu email and for updates. Stay safe.

hand with avocado plant
Reading time: 2 minutes
hand with avocado plant
McDonald’s YouTube series on avocado grafting.

University of Hawaiʻi at Mānoa Extension agent Ty McDonald has achieved a milestone with his educational video series on avocado grafting reaching elite educational content status on YouTube.

The two-part series on grafting avocado trees— and —has earned more than 251,000 and 221,000 views, respectively. Fewer than 0.5% of educational videos on YouTube reach more than 250,000 views.

hand with avocado tree
McDonald’s YouTube series on avocado grafting

McDonald, an associate extension agent at the College of Tropical Agriculture and Human Resilience (CTAHR), produced the series in 2012 in collaboration with the Hawaiʻi Tropical Fruit Growers.

‘What, why, when, and how’ of grafting

McDonald manages the West Hawaiʻi Master Gardener Program in Kona. He brings decades of experience to the series, having first learned grafting techniques at a major Kona avocado nursery in 1985.

In the videos, McDonald addresses the “what, why, when, and how” of grafting while sharing nuanced tips on knife skills and scion cuts that are often missing from other tutorials.

“Grafting is often described as a combination of art and science,” he said. “I explained all the scientific principles behind it, and then I’ve got a certain amount of skill now from having done it a long time to actually make the cuts, and that’s where the art comes in.”

The series steadily attracts more viewers every year. For McDonald, who has served as a 糖心视频 extension agent for over two decades, helping others is the true reward.

“It’s the combination of numerous positive comments regarding the quality and helpfulness of the information delivered that is most validating,” McDonald said. “It is also very gratifying when folks tell me they learned how to graft by watching these videos.”

Back To Top