Gelbmostler is an old perry pear, known since the 18th century in Austria and northern Switzerland. The fruit is medium to large, globular; greenish-yellow changing to light yellow, often slightly blushed, speckled with russet dots. Its flesh is yellowish-white, coarse-grained, juicy, astringent, and over-ripens quickly.Arose probably in area around Lake Constance, which has shorelines in southern Germany, Switzerland and Austria, where it is still grown. Recorded in 1854 by German pomologist Lucas. Its name means 'yellow möst pear, that is, for makinginto perry. Fruit: small/medium (43-64mm high x 51-67mm wide). Shape: short-round-conical tending to flat-round. Colour: yellow/light gold, sometimes slt. pink flush; some russet mainly around eye, stalk. bold fine russet lenticels. Eye: open; sepals linked, reflexed. Basin: shallow, slt. ribbed/beaded. Stalk: short/med. length; med. thick; inserted erect. may be curved. Cavity: slt. Flesh: sharp, astringent, yet plenty of sweetness. -- Morgan, 2015, The Book of Pears.
Google Translated from - http://www.arche-noah.at/etomite/assets/downloads/Bibliothek/Obstsortenblaetter/Mostbirne/Gelbmostler.pdf ORIGIN: The Gelbmostler is in northern Switzerland at home. Around the turn of the century the species was widespread around the lake. In Austria, it was introduced in 1885 and since then prevalent (Amstetten and Scheibbser District). The fruit shown are from an orchard stock in Zeillern, Misc Amstetten. SYNONYMS: Galmostler (Switzerland), Welsche mountain pear (Vorarlberg, German Lake Constance), Helleger Mostbirne (Vorarlberg) FRUIT DESCRIPTION: The fruit is medium to fairly large and round to slightly dull top-shaped;2 fruits weigh 130 g CUP: Rough, green-yellow, later pale yellow, sometimes slightly reddened light, rust spots on distributed whole fruit CHALICE: Strong russeting around the calyx, sepals formed completely, like a horn. STEM: Russeting around the stem, stem medium length, slightly curved. PULP: The flesh is yellowish white, coarse-grained, very very juicy, but very herb and will soon be doughy. CORE BODY: Hohlachsig, medium ever, a few black-brown nuclei containing TREE FEATURES: The tree is very vigorous and healthy, fairly big and tall as possible. The Branches are slender and straight, densely covered with short fruit wood. Summer shoots light brown, with many white spots. Strong and protruding eyes. LEAF: Medium in size, roundish, 52:74 mm in size SUITABLE TREE SHAPE: Standard tree SOIL AND CLIMATE CLAIM: No special requirements Flowering: medium early POLLEN: Poor pollinator IDENTIFYING SPECIFIC: On the long, light-related branches, the fruit densely covered with short wooden are easily recognizable. GOOD FEATURES: The healthy, vigorous growth, early onset of middle income and the extremely rich portability of the tree. BAD FEATURES: The short shelf life of the fruit. Irregular income. MATURITY: Mid to late September DURABILITY: Does not last long, must be processed quickly, is no transport pear RESULTS AND FITNESS: The variety is almost a year. The Gelbmostler are many very clear and must, the pressed varietal wine, is something too tart. For mixing with sweeter cider from However, it is eminently suitable varieties. Sugar content: 10-11% by weight, acid: 6-7 wt ?, tannin: 0.8-0.9 wt ? DISEASE SUSCEPTIBILITY: Very resistant LITERATURE: Loschnig, Josef (1913): The cider pears. Petzold, Herbert (1989): pears, 3 Edition, Melsungen Schleicher, William (1888): Description of the Weierhof tentatively planted Most pear varieties, unpublished. Manuscript