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Why have my red fruit bushes yielded a crop of green fruits this year? No signs of colour change as they ripened. ll harvested now because of the awful weather.
Red bushes are next to two green bushes.
Alfred Bent wrote (see)
How does one control gooseberry sawfly?
You have to start a spraying regime or purchase nematodes at the first sign
My bushes were all stipped of their leaves this early Autumn by the sawfly.
I do net to prevent bird damage to the buds, but dont use nematodes nor spray re the sawfly. I'm a bit half-hearted about checking the bushes regularly too, especially this year.
Some yrs mine get virtually no sawfly problem, then others..... I take the chance. J.
If sawfly have been a problem this year, you may find eggs and chrysalises have dropped into the surrounding soil ready to hatch next year. Carefully clear away any fallen leaves and gently dig over the soil surrounding your bush, this should destroy most eggs and chrysalises, you don't need to dig too deep they'll be near the surface.
If you decide to spray next year it's more effective to spray before the first sign, in about April.