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Flower Power

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Back in the Languedoc and, the first morning, I went over to see the vines. Jeff had sent me a message that they were in real stress because of the lack of rainfall. Ironically we had driven south through France under leaden skies and through fairly steady rain, until we reached the Languedoc where the skies turned blue and the temperatures rose. It has been very hot here throughout the three weeks I was away and, following a very dry autumn last year and not much rainfall in 2016, the vines are definitely in need of a good drink.

Stressed vines

Clear signs of drought

I have written many times this year about the vine stress due to very unusual seasons, the warm winter, cool spring. Sadly, summer has also added to their difficulties. Sure enough the vines look dry. The apex of the vine is often a good way to tell their health and they look tired and bare, almost burned.

Photographié de Rec D’Oulette

To safeguard the health of the young, newly planted or grafted vines Jeff and Julien were busy watering them in the Flower Power vineyard, Font D’Oulette. This is allowed as they are not grape producing this year. Straw was then placed around them to keep the moisture inside. Julien showed his dedication by doing more of this work at night time.

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Even Icare was feeling the heat despite his haircut, he kept hold of the stick when it was thrown as if to say I’m not chasing after this anymore.

c/o agro.basf.fr

c/o gourgazaud.fr

Jeff also informed me of yet another problem, ver de la grappe. This is the larvae of a moth which feeds on the grape. I took a photo of an affected grape last year.

images

There are chemical treatments available to prevent and to treat the problem, no use to an organic producer of course and these chemicals are especially harmful, you can’t use the grapes until 21 days after spraying.

So, for Jeff the treatment involved spraying clay onto the vines to try to make the grape skins less attractive to the moth so it will lay the eggs elsewhere. This was only the second time in twenty years that he had sprayed against ver de la grappe. Also in the spray was fern and seaweed, the fern is a natural insecticide and the seaweed gives a health boost to the vine. However, having sprayed this morning (July 31st) Jeff was hoping that the much needed rain would hold off for a couple of days to allow the spray to work.

You can guess what happened next. A storm, heavy rain, much of the spray washed off the grapes. It is that sort of year, nothing seems to be going right. The rain which did fall was minimal and only undid the good work. The worst of all worlds. To spray or not to spray? To rain or not to rain? Caught between a rock and a hard place.

Colour and life remains

As I made my way around the vineyards there were plenty of good grapes to see, véraison (the changing colour of red grapes) has begun especially amongst the Syrah and Grenache of La Garrigue.

And I spent some time in Rome, a very parched looking vineyard but the ideal place to reflect upon its creator, Jean-Claude. There are some things to be thankful for even in this difficult year.

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(En français)

The Languedoc Roussillon region was struck by huge storms on November 28th. Lightning and thunder which lasted almost a whole day, torrential rain all day (over 210mm at Bédarieux), hail for half an hour, winds well over 100kph. Even local people were surprised by the storm. There are some scary pictures on Midi Libre.

Outside our door in Margon

Puimisson, the stream in the background reached the height of the tree branches

Jeff pointing to debris from the stream in the tree branches

A walk around Margon, our home village, 3 days later showed that many vineyards had been damaged. At this time of the year the vines themselves are not so vulnerable of course, there are no grapes left on there. However, the soils themselves were damaged in many places by erosion.

2. Water standing in the vines

1. Clay (argile) run off on the road

Much of our area has clay soils which are not the easiest to drain. However, many modern agricultural practices exacerbate this problem. Using heavy machinery such as tractors, harvesting machines and large sprayers means that the soils become compacted and, therefore, even more impermeable (photo 2). Inappropriate use of herbicides and weed killers to get rid of grass and other plants means that the soil has nothing to bind it together and, consequently, heavy rain will cause erosion as we see in photo 1. Overploughing will combine both problems.

I remember when I first visited French vineyards 30 years ago that most were like this. Times have changed though and more artisanal, more environmentally aware viticulturists have realised that the soil has to be treated with respect. In a previous post I mentioned that the soil experts Claude and Anne Bourguignon gave a talk recently which I attended. They explained that the soil is what gives a crucial 6% of the vine’s needs which can make all the difference in terms of flavour and quality. Vine roots need to reach down into the soil to extract the water and minerals which they require to grow and to fruit. They confirmed that the best practice is what many winemakers have been doing in recent years. Allowing grass and other plants to grow amongst the vines brings many benefits:

binding the soil, making it stronger and less prone to erosion
stronger soil makes it easier to withstand machinery
competition for nutrients drives the vine roots deeper where more of the species which benefit the plants live
retaining moisture in summer which can also be used by the vines
providing shelter to other wildlife which eat the insects that damage vines and grapes

Covered vineyard with no sign of erosion

Ruts developing between vines

The photos above show how two parcels of vines just metres apart responded to the storms. The difference is obvious.

Vines with shallow roots do not access the deeper minerals and ecosystem. The roots also overheat being nearer to the surface and this can mean that they shut down some of their work and grapes will not ripen so well or evenly.

Yet there are vignerons in the area who have installed or are installing irrigation. This can only compound the problem in a region where there are occasional droughts but not on the scale of Australia for example.

Jeff Coutelou reported to me that there had been no erosion in his vines unlike those of some of his neighbours, the reason may be seen in the photos below.

A stark contrast between the Mas Coutelou vineyard and that of his neighbour

Irrigation pipes run along the vines. Look closely at the channel which has been cut into the soil by the rain.

Water flowing off vineyards which have had the grass removed

The run off from the vines has caused a new stream and channels

Meanwhile Jeff’s vines have drained and there is no damage to soil below

Vine roots washed into the new stream next to the neighbours’ land

Biodiversity – analysis showed over 30 types of grass in one square metre of Jeff’s vineyard.

One sad casualty of the storms was the tree with a bat shelter installed by Jeff. Bats are good friend to vines as they eat many insects which might damage them or their grapes. Encouraging them and other friendly wildife, such as wagtails and hoopoes, helps to keep the grapes in good health. Unfortunately the tree, which was dead, was uprooted and so a new bat home will be established soon.

Bat shelter

And finally how to control that grass and plant life? Ploughing or working the soil is needed at times but there are some novel alternatives. At Mas Gabriel a local farmer brings his sheep into the vineyard at this time of year. And then, as I was driving to Cabrieres the other day I came across this.