


Orchard fruits and their culture
A very disappointing crop of both Pixie and Rosemary Russet, our late apple cultivars. Rosemary was probably having a slightly 'biennial' year after cropping well last year, but Pixie was very badly affected by codling moth for the first time, leaving us with only one medium-sized box to see us through into Spring.






Just found one that didn't manage to escape! Spotted a Glou Morceau that had a large amount of frass emerging from the eye and cut it open to find a large grub devouring the core. Very large in comparison to other fruit-mining grubs, even cut in half it was nearly 1cm long and 2-3mm wide, a greyish colour with a dark brown head.
The first pears to fall were all infested with some kind of fruit-mining larvae. This time I'm inclined to think the culprit is codling moth, rather than fruit mining moth which was a problem last year. The latter tends to make multiple tunnels nearer the surface, whereas the damage here is mostly to the core with one escape tunnel.

This has been an awful year for squirrel damage, with significant losses on some varieties. All the apples on the Worcester Pearmain were removed or damaged, the blighter then moved further up the garden to the pear cordons. Worst affected was Winter Nellis, where 2/3rds of the crop were nibbled and subsequently lost to brown rot. Nearly as bad was Devoe, where very few of the fruits escaped being bitten. Some bite marks will heal and go corky as with scab damage, but I doubt they will keep well.
Not an orchard fruit, but the first fruit of the year of any kind deserves some sort of celebrations! To my shame, I have no memory of the variety, probably Honeyoe; Marshmello seems to be virtually the only variety that is long-lived and productive in my soil. The bed had Florence but this has more or less failed completely.
We've been concerned for some time about the rising numbers of Harlequin Ladybirds (Harmonia axyridis) and the effect they will have on native ladybird ecology, including the predation of native ladybird larvae. However, I hadn't realised until now that they can also be pest of fruit. In addition to feeding on aphids, they will also suck ripe and soft fruit in late summer, and even damage the skin of pears. I haven't noticed any damage here, but the numbers continue to rise inexorably, so it may well become an issue in the future.
I'm surprised by how late Rogue Red has blossomed, and by the length of flowering span. It's virtually the last pear left in blossom, and there are buds yet to open beside large fruitlets. I suspect this might be quite a good strategy to avoid the worst effects of pear midge, as I can't remember ever picking a distorted fruitlet of this variety. It will be interesting to see if any of the later buds set fruit without any other pollinators.
Morettini is the most precocious pear, so it is hardly surprising that it is the earliest to show signs of pear midge damage, despite my spraying experiment. This variety actually blooms over a long period relatively, and the very first ones to set ('king' fruitlets) are now clearly affected. I didn't spray until 100 % petal loss, so these first fruits would not have been protected anyway. I suspect the exercise will prove ineffective anway. Picking off distorted fruitlets will be another daily task from now on.
Moth picking will be a tedious task for now on. The various kinds of fruit-boring moths have not been a problem to date, but last year there was a sudden increase which resulted in a small degree of fruit loss.
The fruit shown here was supplied on maiden whips labelled as Spartan (left) and Tydeman's Late Orange (right). Both took a very long time to come into fruit, but clearly neither bears any resemblance to the varieties ordered. The red is quite an early September cultivar; the green one is still hard, acid and barely edible even in January, never develops any colour or flush and fruit in full summer sun often develop scorch marks from which brown rot sets in quickly.
This is a variety that was supplied to me labelled as Tydeman's Late Orange, but which when it eventually produced fruit over 5 years after planting proved to be an early, red-skinned variety that I've cautiously identified as Devonshire Quarrenden based on the season, appearance and flavour of the fruit. Whatever the actual variety, it is strongly biennial and this year every single flowerering cluster is on a tip, with no sign of any spurs. I've checked the literature on DQ and nowhere does anyone suggest it is a tip-bearer, so I'm back to square one. I have headed it back to about half it's original length. Although it's not a great idea to try to grow tip bearers as cordons (for the obvious reason that it is difficult to keep the growth compact without pruning the fruiting tips away) it is possible, particularly with biennial bearers, which can be pruned back hard in barren years, then the tips headed back in early summer to make a more compact set of tip growth for the following fruiting year. I follow the same routine with St Edmund's which, although it is only supposed to be a tip and spur bearer, has only produced tips for me.