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Medium_screen_shot_2019-01-13_at_1 My 10 year old grapes are rotted away before ripening.

10 year old grapevine recently bore lots of fruits but turned rotten from green. Nothing in between. What could be happening. I have attached a photo. There is some new growth after I got rid of all fruits 3 weeks ago. How do I make sure it does not happen again?

Submitted: 02:11PM, 13 Jan 2019
Answer: Hi William,

Thank you for contacting Yates.

From the damage to the fruit and the mottling on the remaining fruit and leaves, it looks likely that you have downy mildew appearing on the vine.

This can be treated as the plant is in leaf with Yates Mancozeb Plus Garden Fungicide & Miticide. To further assist the plants growth and fruiting ability, remember to feed well with Yates Thrive Citrus & Fruit Natural Fish & Seaweed+ Concentrate.

Kind regards,

Stephanie
Yates Horticulturist

Answered: 02:02PM, 08 Feb 2019

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