it's harvest time for my berries, I don't want to cut out green berries or allow new infections to occur.When do I trim for blight?
This really depends on the type of blight, but usually, as soon as you notice it! Just be sure to dispose of all material away from the plant.
Treating with a fungicide can help some types of infection, but not always.
These articles will offer more information:
Hello, We have a few blueberry bushes and they don't look well. We tried to diagnose the problem ourselves but we're confused. One plant had red vein, another had green vein but red in-between veins and finally another one with brown edges that's drying up. This has been happening this entire year. We're wondering if there's a single kind of nutrients deficiency that could explain it all or is each blueberry plant having a different deficiency? Thanks for your help. Linda
I would, first, check the pH and soil nutrient levels. Blueberries like it a little on the acidic side. These articles will help:
If the soil remains moist, consistently, this could be an issue as well. There needs to be a little time to dry out between watering. You can check with your finger, down to a few inches, or a meter.
This collection of articles will help with the care of blueberries:
I have a pair of one year old "Duke-type" blueberry plants. How to prune in fall?
You don't need to prune for winter. The best time to prune is in late winter while the bush is dormant. However, you can remove dead, diseased, or broken wood at any time. Here is more:
I live in Reno NV and the temps are too high during the summer. So I'm thinking of using shade cloth 30% to protect them from the heat of the day. I read somewhere that different colors of shade cloth can effect the growth and health of the bush.
I couldn't find much research on colored shade cloths and blueberries, but this may help: