Q. We are growing the most beautiful strawberries, the
problem is that the rollie pollies are eating them before we get a chance to
pick them. We have applied dicotomes earth but it has barely slowed them down.
What else can we try.
A. I feel your pain. This is a tough problem. The roly pollies,
sometimes we call them pillbugs or sowbugs, can be a very common pest of soft
fruits and vegetables. These crustaceans (they are not insects but are more
closely classified closer to lobsters) usually feed and abound in rotting or
decaying plant matter which we usually call organic matter. Stuff from plants
which collects on the surface of the soil where it is wet will begin to decay.
Technical information on sowbugs in the Southwest
This decaying organic matter is a usual source of food for these common pests. They can be good guys since they feed on decaying plant matter and convert it to something that can be recycled and benefit the plants. Once they get established they can get a little overzealous and start to consume other plants or plant parts which are soft and succulent.
If strawberries come in contact with the soil surface where these creatures are feeding they don't distinguish between soft decaying organic matter or soft succulent strawberries. So the control measures usually focus on keeping the strawberries from touching surface of the soil or decaying plant matter and picking when they are ripe and not letting them get soft.
This would require that the fruit be kept elevated off of the soil surface. I wish that I had a good answer for you on how to do this. I don't. Other people may recommend using diatomaceous earth but I am not convinced that this will work with your roly pollies. It is better suited for very soft bodied pests which crawl along the surface of the soil. These very sharp diatoms, at least this is the thought process, cuts or lacerates the pest and they succumb to the lacerations.
You can also use traps in the beds and remove them from the traps as they accumulate. This does not exterminate them but it does help to reduce their numbers and hopefully the damage from their numbers. These traps can be something that lies on top of the soil surface such as strips of carpet, cardboard or wood.
Removing these pests from these traps is simple. Since they like their social gatherings in darkness they tend to gather in these shady spots. Remove the shade and remove them by hand. You can also put out semi rotten tomatoes or other vegetables which will act like magnets and attract these varmints. Then you can scoop up these rotting fruits and vegetables along with the pillbugs and dispose of them. That won't get rid of them but it will take the numbers down.
Sluggo Plus contains iron phosphide and spinosad and is labeled for sowbugs, pillbugs, and cutworms and is registered as an organic pest control product for gardens and available at Home Depot. The original sluggo is for controlling slugs and snails.
Technical information on sowbugs in the Southwest
This decaying organic matter is a usual source of food for these common pests. They can be good guys since they feed on decaying plant matter and convert it to something that can be recycled and benefit the plants. Once they get established they can get a little overzealous and start to consume other plants or plant parts which are soft and succulent.
If strawberries come in contact with the soil surface where these creatures are feeding they don't distinguish between soft decaying organic matter or soft succulent strawberries. So the control measures usually focus on keeping the strawberries from touching surface of the soil or decaying plant matter and picking when they are ripe and not letting them get soft.
This would require that the fruit be kept elevated off of the soil surface. I wish that I had a good answer for you on how to do this. I don't. Other people may recommend using diatomaceous earth but I am not convinced that this will work with your roly pollies. It is better suited for very soft bodied pests which crawl along the surface of the soil. These very sharp diatoms, at least this is the thought process, cuts or lacerates the pest and they succumb to the lacerations.
You can also use traps in the beds and remove them from the traps as they accumulate. This does not exterminate them but it does help to reduce their numbers and hopefully the damage from their numbers. These traps can be something that lies on top of the soil surface such as strips of carpet, cardboard or wood.
Removing these pests from these traps is simple. Since they like their social gatherings in darkness they tend to gather in these shady spots. Remove the shade and remove them by hand. You can also put out semi rotten tomatoes or other vegetables which will act like magnets and attract these varmints. Then you can scoop up these rotting fruits and vegetables along with the pillbugs and dispose of them. That won't get rid of them but it will take the numbers down.
Sluggo Plus contains iron phosphide and spinosad and is labeled for sowbugs, pillbugs, and cutworms and is registered as an organic pest control product for gardens and available at Home Depot. The original sluggo is for controlling slugs and snails.
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