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Brown stems and tarnished buds

8 years ago

The first flush of roses, everything is perfect. The 2nd or the lingering flush some of my roses stems turn brownish, and curvy. And the buds become small and sort of tarnished/ blemished.

At closer inspection, I noticed then, greenish/ reddish insects (aphids?), sort of tap dancing on the new growth and bud area. Which at first I sprayed with neem oil.

Unfortunately, the sun burned/deformed all that healthy growth, so I just sprayed with the hose or squashed by hand.

1) I was wondering why the lower stems browns and sort of curves, is it because of aphids?

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