| 单词 | plantlet |
| 例句 | The plant part often gives rise to an undifferentiated mass known as callus, from which individual plantlets begin to grow after a period of time. Fundamentals of Biology 2015-01-01T00:00:00Z Instead, the plants must be regenerated as a clonal organisms, such as potatoes, from plantlets growing in sterile test tubes. World’s largest bean and cassava collection gets a striking new home 2022-03-20T04:00:00Z Spider plants are easy to propagate because they produce plantlets at the ends of their stalks. 10 humidity-loving houseplants that will thrive in your bathroom 2020-10-28T04:00:00Z Tip: Propagate single plantlets by removing them from the stem and rooting them in water. The 10 best hanging plants for creating an indoor jungle 2020-09-15T04:00:00Z The researchers then transfer the plantlets outside for further experiments in the field. Genomic focus brings tea research to the boil 2019-02-05T05:00:00Z Banana propagation for large plantations involves the sterile culturing of plantlets grown from rhizomes, or stems, taken from healthy mother plants. Science’s search for a super banana 2018-08-05T04:00:00Z When spores are released and land in favorable conditions they grow into gametophytes, tiny thumbnail-sized plantlets with the purpose of reproduction. KU professor’s research proves some science textbooks wrong 2016-12-09T05:00:00Z The fern also reproduces vegetatively, growing small plantlets at the base of the mother plant. City Room: Unexpected Décor 2013-06-15T01:43:05Z Spider plants, sometimes called airplane plants because of their arching leaves and floating plantlets, grow well in hanging baskets. The 10 best hanging plants for creating an indoor jungle 2020-09-15T04:00:00Z A tea plantlet grown in the lab from a cultured plant embryo.Credit: Genomic focus brings tea research to the boil 2019-02-05T05:00:00Z He identified two fungi and three bacteria that he says partially protect banana plants from the pathogen, and now farmers are experimenting with the use of plantlets inoculated with them. Science’s search for a super banana 2018-08-05T04:00:00Z That means supplying more quality plantlets through propagation, which is struggling to keep up using conventional methods. Vanilla: The 'Chanel No 5' of flavours 2012-08-27T12:18:47Z Ultimately, Jones expects to distribute nearly four million plantlets per year at a low cost to farmers throughout Africa. Growing Rwanda Out of Poverty 2012-07-25T10:03:10Z So the plantlet has no hindrance to its growth when spring opens. Trees Worth Knowing 2011-10-13T02:00:48.357Z The dormant plantlet in a seed is also known as an embryo. The New Gresham Encyclopedia Volume 4, Part 2: Ebert to Estremadura 2011-04-14T02:00:56.200Z The Embryo or Germ, which is the rudimentary plantlet and the final result of blossoming, and its development in germination have been extensively illustrated in Sections II. and III. The Elements of Botany For Beginners and For Schools "We are finding ways to mass produce quality vanilla plantlets through plant tissue culture." Vanilla: The 'Chanel No 5' of flavours 2012-08-27T12:18:47Z A seed contains a plantlet which develops as such. Student's Hand-book of Mushrooms of America, Edible and Poisonous Indeed the plantlet has attained considerable size before the acid flesh shows any signs of change. Trees Worth Knowing 2011-10-13T02:00:48.357Z In returning from the gardens on the other track, they brought cargoes of shallow trays filled with little plantlets just lifted from the seed beds. Solaris Farm A Story of the Twentieth Century Germination, the development of a plantlet from the seed, 12. The Elements of Botany For Beginners and For Schools The germ remains in the vesicle, and finally becomes the embryo, fully developed into a plantlet, as may be seen in many seeds. The $100 Prize Essay on the Cultivation of the Potato. Prize offered by W. T. Wylie and awarded to D. H. Compton. How to Cook the Potato, Furnished by Prof. Blot. They should be pulled early—the earlier the better after the herb plantlets appear. Culinary Herbs: Their Cultivation Harvesting Curing and Uses These spores cling to the grain and at the next planting are ready to attack the sprouting plantlet. Agriculture for Beginners Revised Edition Some plantlets, as they develop and start to push above the ground, bear along the cotyledon. The Library of Work and Play: Gardening and Farming. But the embryo is already a miniature plantlet, sometimes with hardly any visible distinction of parts, but often one which has already made very considerable growth in the seed. The Elements of Botany For Beginners and For Schools A year ago I sowed seed by the ounce each of A. alpina and of A. sulphurea, but as yet not a single plantlet has rewarded me for my trouble. Scientific American Supplement, No. 458, October 11, 1884 In the hole the plantlet should then be suspended so all the roots and a little of the stem beneath the surface will be covered when the soil is replaced. Culinary Herbs: Their Cultivation Harvesting Curing and Uses To get down on one's hands and knees, in the blistering hot dusty soil, with the perspiration trickling down into one's eyes, and pick small weedlets from among tender plantlets, is not a pleasant occupation. Home Vegetable Gardening — a Complete and Practical Guide to the Planting and Care of All Vegetables, Fruits and Berries Worth Growing for Home Use This little plantlet feeds upon this stored food until its roots are prepared to do their work. The Library of Work and Play: Gardening and Farming. Plumule, the bud or first shoot of a germinating plantlet above the cotyledons, 13. The Elements of Botany For Beginners and For Schools When the drawings are made, let them letter alike the corresponding parts, beginning with the plantlet in the seed, and using new letters when a new part is developed. Outlines of Lessons in Botany, Part I; from Seed to Leaf The rooting may take place in a regular cutting bench, or it may occur in the soil out of doors, the plantlets being transplanted to pots as soon as they have rooted well. Culinary Herbs: Their Cultivation Harvesting Curing and Uses Imagine the tiny primrose plantlet to be made up of cells filled with active living protoplasm, which drinks in starch and other food from the seed-leaves. The Fairy-Land of Science See the bean plantlet, big, sturdy, fellow, is still clinging to its seed leaves or cotyledons, its baby nourishment. The Library of Work and Play: Gardening and Farming. In a little while the whole slope was dotted with minute plantlets standing at attention in the blaze of the sun. The First Men in the Moon The seed coats need not be lettered, as they do not belong to the plantlet. Outlines of Lessons in Botany, Part I; from Seed to Leaf The rows are made about 15 inches apart, the seeds dropped 1 inch asunder and ½ inch deep and the plantlets thinned to 6 or 8 inches. Culinary Herbs: Their Cultivation Harvesting Curing and Uses Only think how minute this plantlet must be in a primrose, where the whole seed is scarcely larger than a grain of sand! The Fairy-Land of Science And so if we choose a large seed, we have chosen a greater amount of food for the plantlet. The Library of Work and Play: Gardening and Farming. So from large seeds come the strongest plantlets. The Library of Work and Play: Gardening and Farming. The whole plantlet in the seed is the embryo or germ, whence the sprouting of seeds is called germination. Outlines of Lessons in Botany, Part I; from Seed to Leaf Sometimes the seed-leaves themselves come above the ground, as in the mustard-plant, and sometimes they are left empty behind, while the plantlet shoots through them. The Fairy-Land of Science Yet in this tiny plantlet lies hid the life of the future plant. The Fairy-Land of Science Try not to bring weak little plantlets into the plant world. The Library of Work and Play: Gardening and Farming. They are really cells full of protoplasm, with one little dark spot in each of them, which by-and-by is to make our little plantlet that we found in the seed. The Fairy-Land of Science |
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