Archive for May, 2008
Saturday, May 31st, 2008
by Fiona Shells
The part which is picked and which is misleadingly called mushroom, is in fact only the fruit-body of a larger fungus. The scientific term used to describe the main body or thallus of a fungus is nycelim. This is a mass of delicate filaments hyphae which arc often invisible to the human eye.
Fruit-bodies also contain the reproductive organs. The range of their common features, covering shape, coloring and size, is a constant factor in every systematic group (order, family and genus), but individual characteristics often vary considerably. In this respect the microscopic features of fungi are the most reliable.’
Therefore they absorb their organic nourishment in an already digested form from other living or dead organisms. This type of nutritional feeding is called heterotrophic and it resembles the animal method of nourishment.
The fruit-bodies of higher fungi, which are the main subject of this book, consist usually of a stipe and a cap. The stipe is cylindrical and its apex is crowned by the characteristically widened cap. Its underside (4ymenophore) assumes different forms according to the particular species.
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Friday, May 30th, 2008
by Gaurav Mountains
Perhaps their most distinctive feature, however, is the blue-staining of the spore and hyphal walls, which can be highlighted by a chemical reaction using Mazer’s reagent. This feature is a permanent characteristic of some species and even of larger groups of fungi belonging to the Basidiomyeetes.
It should include materials needed for microscopic research and the preparations of microscopic specimens – such chemicals as Melzer’s reagent and green vitriol. Because the fruit-bodies of fleshy fungi do not last long, it is essential to prepare detailed specimen descriptions from fresh material.
Another distinguishing feature Is the character of the hymenium, or fertile layer of the fungus fruit-body. In the tnicrostudy of fungi an important role is also played by the structure of the cuticle of the cap, which consists of long filaments or globular cells. The anatomical structure of the gills (tram) is also important. Basically it can be one of the four following types: irregular, regular, bilateral and inverse. The nature of the gill flesh can be accurately established by taking thin, transverse slices with it razor blade.
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Thursday, May 29th, 2008
by John Mores
A number of cuttings, which may or may not have been rooted in nurseries or baskets, are planted at the base of the tree and are tied and ;lined up the supports, the trees having been planted ahead of the upper. Semicircular pits, about 45 cm deep, are dug around the supports and are filled with jungle soil or topsoil, in which the cuttings are planted. Under this system of cultivation the pepper may receive little pruning.
When propagation by seed is necessary, the selected fruits should be well ripened. They may be soaked in water for two or three days, the pericarp is removed and the seeds are dried in the shade. They are sown in nursery beds or boxes. The seeds germinate in five to six weeks and can be pricked out into baskets when they are big enough to handle.
P. colubrinum, a native species of the Amazon region of Brazil, is resistant to foot rot (Phytophthora pahnivoa) and Fusarium solani var. piper; and was used in Brazil as a rootstock for susceptible P. nigrum. However, grafts on disease-resistant P. colubrinum deteriorated after the fourth year.
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Wednesday, May 28th, 2008
by Rick Shawn
Polypore is one of the most damaging but also prevalent members of this extensive family and lives on old trunks of fruit trees. Its fruit-bodies are juicy, meaty, heavy and very watery.
There also exist other species of this genus, the most frequently found being Helvella crispa, H. lacunosa and the minute H. macropus. Some of their common features are wide, ellipsoid and colourless spores which contain large drops of oil.
Some species with larger fruit-bodies are picked for food, such as H. acetabulum, but their flesh is thin and quite tough. They grow in masses among fallen leaves and needles.
The stumps of various tree species provide a habitat for this very extensive group of fungi. Many.of them are minute, even microscopic, and so easily escape human attention, while others are striking in size, shape and colouring. One of the most abundant species is Calocera viscosa.
Inonotus hispidus is an annual fungus which attacks orchards with apple and occasionally pear trees, causing great damage. It prefers older trees as their central wooden column rots quickly.
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Tuesday, May 27th, 2008
by Harold Hartford
Clitocybe nebularis is one of the sturdiest representatives of its genus. It is readily identified by its loudy whitish cap, whose surface has a slight ashp:ey bloom, and by its sharp aromatic distinctive men, reminiscent of soap. It grows gregariously in different types of woods and even outside them.
The flesh also later becomes whitish or greyish and has a pleasant scent. This characteristic purple colour, however, lasts for a long time on the stipe. Wood Blewits arc excellent edible mushrooms, appropriate for a variety of dishes. They are especially delicious when pickled in vinegar. They can be easily found by mushroom-pickers because they usually grow gregariously and also in the season when other edible mushrooms are scarce.
The reddish-brown Amanita umbrinolutea can also he frequently seen. It has a dirty-whitish volva, and its stipe has also transverse irregular stripes. All the above-mentioned Amanita species are edible; some mushroom-pickers even consider them tasty. Their disadvantage lies in their fragility and therelbre they do not transport very well. Finally it is worth noting once again that, when such Amanita species are being gathered, constant vigilance must be exercised to avoid confusing them with the Death Cap (Amanita phatloides), which has a similarly tall volva at the stipe’s base; however, the Grisette is always without the characteristic ring.
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Monday, May 26th, 2008
by Richard Harrison
The three main climbing stems, which have been tied to the post, are pruned regularly to encourage the development of lateral fruiting branches; these latter are not tied to the post as this would discourage the bushy side growth that is required.
The leaves are removed from the nodes of the climbing stems, which are pruned back to within 15-22.5 cm from the ground when they have developed 8 to 9 nodes. (These cuttings may be used for new planting material as they root easier than those from older shoots.) When a further 9 to 10 nodes have been produced, the stems are cut back to within 3 to 4 nodes of the previous cut.
Rootstocks of P. colubrinum, which is highly resistant to foot rot, have been used, and two-node cuttings of this species strike roots easily to provide rootstocks. Other rootstocks tried include P. cubeba, which is not fully resistant to foot rot, and P. hispidutn and P. scabrurn, with which there was little success.
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Sunday, May 25th, 2008
by Kent Higgins
Any plant that must be replaced every year and only has flowers one time, is an annual. Annuals are grown from seeds and the major advantage of an annual is the lower cost. Thousands of plants may be grown from just one seed packet.
Being decorative, annuals provide some very wonderful flowers for cutting.
The season for their bloom can be long, as well. The chief advantage is that the late day the bloom. If they are used alone or along a border, for a good part of the season will pass and you will still have color.
Annuals can also be used as a filler in between shrubbery and set some distance apart. This is so the shrubs can grow and not appear to stark.
To grow annuals, of course will be dependant upon which class they are a member of. The heartier flowers such as a larkspur or cornflower, can be planted in the late fall. The ground must be prepped just the same way it is in the spring time. Fall planting is advantageous because it gives you a leg up on spring planting. Certain other types of hearty annuals can also be sown in the spring time as soon as the ground thaws and warms up enough.
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Saturday, May 24th, 2008
by Keith Markensen
If you want to have a beautiful garden, you should consider all of the design elements. Dont just look at shrubs, flowers, and trees. Consider garden structures like trellises and gazebos, and of course landscape lighting. Outdoor lighting, including garden path lighting, has become very popular with gardeners. It enhances the natural beauty of your garden, allowing you to enjoy your hard work long after dusk. Plus, garden path lighting is a useful safety feature for your yard.
Many people choose solar garden lights to use as garden path lighting. While electrical lighting can also be used, it required digging into your yard, making it a much more permanent addition to the landscape. To use solar lighting, just place a AA battery into your landscape lights. Natural sunlight will keep the lights charged, and they will automatically turn on at dusk and off at dawn. OF course, make sure they are placed where they will receive some sunlight during the day.
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Friday, May 23rd, 2008
by James Howard
The Death Cap is the most poisonous mushroom known to man. It groWs in deciduous forests, especially under oak and hornbeam trees. Its cap is coloured in various shades of green and usually has additional grey or yellowish-brown patches, although in exceptional circumstances it can also be whitish or pure white. Its cuticle is streaked with radiating fibrils. It is either completely bare or occasionally has dried traces of its whitish veil.
When the fresh fruit-bodies are cut, the milk pours out in quantity: although this is less of a feature in dry, old fruit-bodies, which sometimes lack milk altogether. The conspicuous pickled herring smell grows stronger as the fruit-bodies die away.
Its closest relative is Amanita regalis, whose distinctive feature is a liver-like, yellowish-brown cap; it grows in mountainous spruce forests and is as poisonous as the Fly Agaric, containing the same muscarine alkaloid.
Lactwins decipiens is one of the lesser known representatives of the Laclarius genus. It cars be found in damp places in deciduous and coniferous forests and in some regions grows in large numbers. It can be distinguished from similar Lactarius species by its light-coloured cap and scarce white milk, which slowly turns yellow in the air. It has a bitter, resinous taste and is inedible.
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Thursday, May 22nd, 2008
by Mary Fairfax
Clitocybe inversa is distinguished in colour from other related species by its orange-yellow, yellowish-red to leathery yellow cap. Its gills and stipe arc similarly coloured and the flesh has a faint mushroom odour. The huge mycelium at the base of the stipe is white and grows deep down through the soil especially if this is composed of rotting pine needles. This mushroom grows gregariously in the humus of spruce forests, where it is sometimes distributed in large colonies or clusters or sometimes circles.
Care must be taken to avoid confusing it with the Death Cap. Both Tricholoma species grow late into theme autumn in large numbers in coniferous, especially pine, forests on a sandy soil. They have a multitude of uses, being good for sauces and soups, for pickling in vinegar and salt and also for drying. Tricholoma portentosum fried in breadcrumbs has a sweet taste and is a particularly attractive dish.
Tricholoma portentosum is sometimes confused with Tricholoma argyracewn, which is also edible but of an inferior quality. It can he distinguished by its fibrous cap and the yellowing tendency of its gills and stipe. It is, however, similar in smell and also grows prolifically in late autumn in coniferous forests, especially at the edges of spruce forests.
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