UK Veg Gardeners

Somebody here recommended keeping rocket in the ground from year to year, so I did that this last winter and now have a flurishing bthick bed of Rocket to choose from at any time.

Problem is that a particular insect which eats nice round holes in the vegetation spoils my lunch,although taking the xtra meat ration approach, I have not found any ill effetcs from the orifice makers. I would prefer to eliminate the holes with  a vegetable isnecticide which I know will be washed off in th sink before eating.

Please can you suggest what insecticide I should for the purpose?

Thanking you in advance!

Gar

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Gareth, you'd really need to know exactly what pest you were dealing with before applying anything to plants you are going to eat. The little round holes sound like red spider mite but could be other things.

Colin thank .you.  I shall investigate further with optivisor and specs.

Colin Robinson said:

Gareth, you'd really need to know exactly what pest you were dealing with before applying anything to plants you are going to eat. The little round holes sound like red spider mite but could be other things.

Cabbage white. pyrethrum? and fleece or netting?

I think I will cut them right back for now, and see whether I can get anything undamaged later on. The plant is certainly keen on the soil, spreading vigoorusly, and it could provide me with much of my salad needs, favoured as it is.

I havent seen the caterpillars at any time, but I've seen the cabbage whites

Small White butterfly Pieris rapae  They might be the small species!

Colin Robinson said:

Gareth, you'd really need to know exactly what pest you were dealing with before applying anything to plants you are going to eat. The little round holes sound like red spider mite but could be other things.

Red spider mite might also explain eaten vine leaves nearby, although they do not leave holes in the leaf, just eat the whole thing so that only the veins are left?  Mor sprayed water would seem to help?

Gareth Howell said:

Colin thank .you.  I shall investigate further with optivisor and specs.

Colin Robinson said:

Gareth, you'd really need to know exactly what pest you were dealing with before applying anything to plants you are going to eat. The little round holes sound like red spider mite but could be other things.

I found the red spider while researching the soil. Nasty looking individual! So I've got to keep it well waterd which the spider does not like, but what else can i do?

Colin Robinson said:

Gareth, you'd really need to know exactly what pest you were dealing with before applying anything to plants you are going to eat. The little round holes sound like red spider mite but could be other things.

No they are not red spots on the leaf; they are merely holes. It is flea beetle and I have got plenty of lemon mint in the garden

so I shall do some interpersing with the rocket. I think i shall also use some derris pwder. I'll cut the crop back now to get rid of all the holey leaves at the same time. By now they are nearly all damaged and not that pleasant to eat at the thought of it.

It is spreading vigorously otherwise but holes in all of the leaves. 

Colin Robinson said:

Gareth, you'd really need to know exactly what pest you were dealing with before applying anything to plants you are going to eat. The little round holes sound like red spider mite but could be other things.

the holes are made by flee beetle, seasonal things.  I normally stop picking rocket once the holes appear.

I did that last year, but this year it seemed to have it even at the beginning of the spring. Cover above would  not stop flea beetle would it?  Thank you.

Jade Hwang said:

the holes are made by flee beetle, seasonal things.  I normally stop picking rocket once the holes appear.

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