noun
definition
The process of germinating; the beginning of vegetation or growth from a seed or spore; the first development of germs, either animal or vegetable.
Examples of germination in a Sentence
The conditions for germination are much the same as for growth in general.
Further, the older the seed the more slow as a general rule will germination be in starting, but there are notable exceptions.
A spirit has been distilled from acorns in process of germination, when the saccharine principle is most abundant.
The mesodermic portion becomes charged with a yolk-like material (y), and, on the germination of the statoblast, gives rise to the outer layer (mes) of the bud.
The viscid pulp soon hardens, affording a protection to the seed; in germination the sucker-root penetrates the bark, and a connexion is established with the vascular tissue of the first plant.
The time required for germination in the most favourable circumstances varies very greatly, even in the same species, and in seeds taken from one pod.
While the spore of Bryophyta on germination gives rise to the sexual plant, the carpospore of the alga may give rise on germination to a plant bearing a second sort of asexual cells, viz.
This peculiar product of germination, which intervenes between the oospore and the adult form, is the proembryo.
On germination of the seed the radicle first grows out, increasing in size as a whole, and soon adding to its tissues by cell division at its apical growing-point.
On germination, however, the fungus behaves in the same way as one which has entered in the seedling stage.
Miss Nichols fi -ids that it occurs very soon after the germination of the spore in Cc sinus, but no fusion of cells or migration of nuclei was to be observed.
The germination of the spores has now been observed in several forms with care.
The aim of germination is the fixing of the embryo in the soil, effected usually by means of the root, which is the first part of the embryo to appear, in preparation for the elongation of the epicotyledonary portion of the shoot, and there is infinite variety in the details of the process.
In Zygnemaceae and Mesocarpaceae the zygospore, after a period of rest, germinates, to form a new filamentous colony; in Desmidiaceae its contents divide on germination, and thus give rise to two or more Desmids.
On germination it gives rise to a row of cells in which short (nodal) and long (internodal) cells alternate.
This pause, often of so long duration, in the growth of the embryo between the time of its perfect development within the seed and the moment of germination, is one of the remarkable and distinctive features of the life of Spermatophytes.
You will have to experiment with seed germination.
Birds eat the haws on the hawthorn bushes and deposit the remains across the common, surface planting them for germination in the summer.
When the foliage dries more quickly, infections are reduced since, like almost all fungal spores, rust spores require water for germination.
Seed germination should normally begin about six weeks before the last spring frost.
Unchewed oats pass out in the faeces uninjured, so that they are capable of germination, and are of less than no value to a horse.
Linnaeus's copy of the book evinces the great assiduity with which he studied it; he laboured throughout to remedy the defect of the want of synonyms, sub-joined his own generic names to nearly every species, and particularly indicated the two remarkable passages where the germination of plants and their sexual distinctions are explained.
It is a curious fact that in no case has an embryo been found in any of these seeds; probably fertilization took place after they were shed, and was followed immediately by germination.
During germination the barley secretes the enzyme diastase which makes the starch in the barley soluble, thus preparing it for conversion into sugar.
In orchid seeds, the nutrients required for germination are provided by a mycorrhizal fungus with which it forms an association.
Warm compost promotes the rapid germination of most herb seeds and is particularly useful for gardeners who raise their plants in an unheated greenhouse.
Seed predation and germination, fruiting phenology and forest microclimate were also examined.
Effect of passage through duck gut on germination of fennel pondweed seeds.
Early harrowing of fields being prepared for root crops will induce charlock germination allowing the mechanical destruction of seedlings during subsequent seedbed preparations.
Light, alternating temperatures, chilling, nitrate and seed scarification can all help to promote germination.
Older seeds may have a slow germination rate and cool temperatures or lack of moisture can also prevent germination.
A little cover over the seeds made from a plastic soda bottle bottom can protect them until germination.
Rye suppressed weed germination but doesn't harm vegetable crops.
Plants and seeds that aren't artificially protected sometimes have lower germination or higher failure rates.
Because your organic okra crop may have a lower germination rate, hedge your bets by planting a few more seeds.
Tomato seeds can stay viable for years, but it is best to use them as soon as possible for maximum germination.
Sprouting is the process of soaking seeds in order to bring about germination.
The rows of cells from which the laticiferous vessels are formed can be distinguished in many cases in the young embryo while still in the dry seed (Scott), but the latex vessels in process of formation are more easily seen when germination has begun.
In germination the cotyledons come above ground and form the first green leaves of the plant.
The tuft of hairs at the base facilitates rapid dispersion of the seed, early germination of which is rendered desirable owing to its tenuity.
All seeds require a certain degree of heat to induce germination.
The half-hardy series are best sown in pots or pans under glass in mild,heat, in order to accelerate germination.
In some cases resting spores are formed inside the host (Chytridium), and give rise to zoosporangia on germination.
In the leaf of the Victoria regia the transformation may be traced during germination.
Their function is the twofold one of protecting the embryo and of aiding in dissemination; they may also directly promote germination.
Exalbuminous Monocotyledons are either hydrophytes or strongly hygrophilous plants and have often peculiar features in germination.
When zoospores come to rest, a new cell is formed and germination ensues at once.
The germination of a zygospore or oospore is effected by the rupture of an outer cuticularized exosporium; then the cell may protrude an inner wall, the endosporium, and grow out into the new plant (Vaucheria), or the contents may break up into a first brood of zoospores.
To take an example, Lemanea and Batrachospermum are Florideae which bear densely-whorled branches, but which, on the germination of the carpospore, give rise to a laxly-filamentous, somewhat irregularly-branched plant, from which the ordinary sexual plants arise at a later stage.
A The spores are capable of germination at once, or they may be kept for months and even years, and are very resistant against desiccation, heat and cold, &c. In a suitable medium and at a proper temperature the germination is completed in a few hours.