Hi I was wondering how can I keep my grape vine green? And my grapes are rotten before they even get all the way ripe. I 've heard that if I put amonia nitrate on it then it may help it, but I don't want to do anything to harm my vine. Any comments would be very appreciated.
Ammonium nitrate is basically just nitrogen, the food that is credited with green growth. Forcing too much green growth will probably stunt yield, also read up on how long it actually takes for fertilizer to penetrate to grape roots, years. Maybe you could foliage feed for quicker results? Your early rot may be lack of ventilation/too much moisture, try pruning a few leaves to let some sun and wind into the fruit.
