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Can't Say It Often Enough Advice from Index Fresh POST HEAT TREE MANAGEMENT September 2020 HEAT STRESS Why are avocado trees so heat sensitive?

Just When You Thought You Could Take the Week Off from Webinars Here's a two-day conference on Dragon Fruit September 22 and 23, 2020 (you have an option of viewing it live or later recorded). Note Taiwan is 15 hours ahead of California. https://sites.google.com/fftc.org.

CRB Announces its 2020 Citrus Webinar Series The Citrus Research Board (CRB) in coordination with the University of California Statewide Integrated Pest Management Program (UC IPM) is rolling out a new CRB Webinar Series, geared toward citrus growers and industry professionals.

Fruit drop happens soon after, or slowly, depressingly over several weeks after a heat wave. The stem turns brown, cutting off moisture to the fruit, and they drop.

So Sphaeropsis tumefaciens causes galls, but it's also been noted to cause witches broom in citrus, as well. Thjs type of broom formation is a wild, though compact growth. It's a dense mass of shoot growth from a single point a messy mass that even a witch would have a problem using to sweep up.