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| About the Author Darren Blackbutt nsw 19th March 2017 1:23pm #UserID: 14186 Posts: 25 View All Darren's Edible Fruit Trees |
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| About the Author SueBee SW Vic. 29th March 2017 9:26am #UserID: 15056 Posts: 93 View All SueBee's Edible Fruit Trees |
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People who Like this Answer: Darren | |
| About the Author Darren Blackbutt nsw 1st February 2018 6:30pm #UserID: 14186 Posts: 25 View All Darren's Edible Fruit Trees |
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| About the Author Darren Blackbutt nsw 1st February 2018 6:52pm #UserID: 14186 Posts: 25 View All Darren's Edible Fruit Trees |
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| About the Author Darren Blackbutt nsw 1st February 2018 6:55pm #UserID: 14186 Posts: 25 View All Darren's Edible Fruit Trees |
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chookie2 says... This may help.Hope I am wrong. https://doubleavineyards.com/news/2013/11/23/grapevine-red-blotch-disease/ This may be more help in ID https://doubleavineyards.com/news/category/disease-and-pest-management/ | About the Author SueBee S.W. Vic 3rd February 2018 9:04am #UserID: 15056 Posts: 93 View All SueBee's Edible Fruit Trees |
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People who Like this Answer: Darren Original Post was last edited: 3rd February 2018 9:08am | |
Fruitylicious1 says... Hi Darren According to viticulture experts there are a few reasons why grapes fail to produce flowers and fruits: 1. Sunlight - Proper sunlight is needed to initiate the development of flower clusters inside the buds. Lack of sunlight due to canopy or nearby building or structures which is the case in most built up suburban areas is always the issue. Selecting the planting site well before planting will greatly help production later on. 2. Improper pruning - different grape cultivars requires either of the two pruning technique (cane pruned and spur pruned). Some inexperience growers unwittingly prune the fruiting buds leading to less or no fruits at all. 3. Over fertilization - like any other flowering plants they don't feel the need to produce flowers and the subsequent fruit because there is an over abundance of food. Vigorous growth also compounds the problem of sunlight penetration due to abundant foliage. 4. Diseases - If the vine is constantly being attacked by diseases like powdery mildew, botryris and anthracnose the vine will abort flowers in order to survive. There are also mites that feed on the buds: rust mites feed on the outside of the bud and bud mites will decimate the inside of the bud. If you are able to address all of those issues you might have a fighting chance to coax your vines to produce their goods. I think the hardest issue to resolve in your case is the adequate sunlight penetration especially if you are dealing with solid structures. Anyway, goodluck. As Always....Happy Gardening :-) | About the Author Fruitylicious1 TAMWORTH,2340,NSW 3rd February 2018 4:10pm #UserID: 16885 Posts: 709 View All Fruitylicious1's Edible Fruit Trees |
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People who Like this Answer: Darren Original Post was last edited: 3rd February 2018 4:26pm | |
Darren says... my vines have never been fed..I noticed that the young leaf clusters seem to be dying back as though windburned.brown tips and no vigour.The vines are north facing and get reasonable sunlight but the same red blotches happen every year.I cut them right back last year and sprayed with copper etc.It may just be time to replace with passionfruit, as if it is bacterial then I am fighting a losing battle.Bought at Masters..it would be horrid if they had sold diseased stock around the country.Thanks yet again! | About the Author Darren BLACKBUTT,2529,NSW 5th February 2018 8:31pm #UserID: 14186 Posts: 25 View All Darren's Edible Fruit Trees |
| About the Author Darren BLACKBUTT,2529,NSW 5th February 2018 8:33pm #UserID: 14186 Posts: 25 View All Darren's Edible Fruit Trees |
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