Organic pest control and pruning techniques behind award winning wines | Gardening Australia
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- čas přidán 22. 07. 2024
- Viticulturist Prue Henschke studied botany and zoology and applies this to her vineyards, using native plants to control pests. One of her vineyards, Hill of Grace, has some of the oldest vines in the world.
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Sophie visits one of oldest vineyards in the Barossa to learn the role native plants play in producing their premium wines.
Prue said it started with looking at mulching to retain moisture, regulate soil temperature and suppress weeds. They use triticale straw - a cross between wheat and rye - which takes longer to break down than other straw.
This sits on top of the compost, made from grape stalks layered with cow manure.
A major winter task is pruning. Prue demonstrates a traditional technique aimed at improving sap flow; each vine ends up with one new cane and one new spur on either side.
At the end of each cane, she cuts through the bud because the hard disk here prevents diseases entering the wound. Cuts on old wood are protected by painting the ends. It’s also important to prune when it’s dry, to reduce the chance of fungal spores being carried by damp air.
On a new vineyard near Hill of Grace, Prue is trialing companion planting using native plants. Sweet Bursaria is planted at the end of a row of vines. Because it flowers at the same time as the vine, Prue hoped it would attract predatory insects to control pests such as Light Brown Apple Moth (Epiphyas postvittana), which can ruin grapes by laying eggs in the centre of bunches.
This seems to be working, with the Trichogramma Wasp (Trichogramma pretiosum) controlling moth activity.
Another pest is the Australian Grapevine Moth (Phalaenoides glycinae), which can skeletonise a plant overnight. These are controlled by Shield Bugs (Family Pentatomidae), again attracted by the bursaria.
Prue also underplants with wallaby grass, which takes less moisture from the soil that other pasture grasses, suppresses weeds and attracts beneficial insects, as does Lomandra, which is grown under the vines.
By reducing the moisture and heat stress on the vines, Prue believes these native companion plants are helping maintain the flavour of Henschke’s famous wines.
Featured plants:
Sweet Bursaria (Bursaria spinosa)
Wallaby Grass (Rytidosperma sp.)
Lomandra (Lomandra multiflora)
Owner: Henschke family
Location: Ngadjuri Country in Moculta, SA
Climate Zone: Mediterranean - Cool Temperate
Vineyard established: 1860s
Style: Vineyard managed using many organic and biodynamic methods
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I can only say amazed, all farmers covet land like this
Hey that was a great watch, I love the idea of using Bursaria and Lomandras in the rows.
Amazing. I can't even prune our one grapevine in the backyard. I watched Prue in this video but could not follow her technique. This past summer we somehow managed to get two clusters of purple grapes with a total of around twelve edible grapes. They were delicious however I am hoping for a bigger crop next summer. If only I could follow the pruning method shown here.
Tip with any pruning. Fresh beez wax. Once you clip your plant put beez wax on open area. Antiseptic in the beezwax will protect the plant from disease in infections. Also you must sanatize your shears or knife your prunning or cutting with.
@@RB-ml7vm Thank you for the tip. 😊
this was so clearly presented, so interesting!
Fantastic!!!!!
Omg great show people 👀👀🤔🤔