0000010879 00000 n H��W�n�H}'���(���l@��� �'�f0�M��Pl�ݒ#`>~O�T��ŋ�a�"��NW�:U�f�⋼P��5S*/���;+ }�./�W�sb���76�ا(��(�6�����׹⢦�o/����o��N���Ux�aW�-_1��Zn\���:��ɡta$ݦ����6��ҕ1)E!��b���ʲ�V4�C�eM�*�Ә����ʰ�)���C�\���������q) (PowerPoint Slide #25) b. Asexual reproduction is also used when plants will not breed true and when it is necessary to maintain certain genetic A variety of different methods of asexual reproduction are examined including the simple method by which single celled organisms divide and produce two identical copies of themselves. - Ex. endstream endobj 178 0 obj <>stream 168 26 The explants are then placed into a rooting medium with a plant growth regulator to root. Which method of reproduction is carried on by the paramecium? The tissue grows rapidly and can be induced to produce large numbers of new plants. 0000010962 00000 n PDF | Asexual propagation is defined as the 'Propagation of a plant via dissection'. 0000008090 00000 n Asexual propagation or vegetative propagation refers to the multiplication of any plant from any vegetative parts of the plant. For eg., vegetative propagation by the stem in ginger, vegetative propagation by leaves in Bryophyllum. 54 OBJECTIVES After reading this chapter, the students will be able to: z Enlist the advantages and disadvantages of sexual and asexual methods of propagation z Explain the principles involved in sexual and asexual methods of propagation z Demonstrate vegetative propagation methods used in the nursery z Plan a business based on propogation & nursery management of horticultaral H�ē�S�Pƿ6�MoLh���m�*Z�RDP�"�"���^\ ���F@��+.���ۓ����a���>����f(3�������wNNN TB�8ܘ Vegetative propagation is a form of asexual reproduction that occurs in plants in which a new plant can be grown from any vegetative part of the parent plant. H���oo�0��G�w�W�-L`�:�i�uR�Uʻn/h )1Yl����Έ.�c�"�`ο��3�O��r=�\�%!ď�"T��X��������A�j(fy�\���\��5���FK���!�vx�v��ܼ@��3�_b�]`�v}�W.`DV%Z�h({��`�./g��� $WWp}��SH�1$a(Rud~��b�k���S-�>��/Ɩ�չ/�[hVb}�Ս!޿.sv�^�e����cåb?�h����Y8Z�N�6xCx 5�3RR�l���yN̥���e���:Q�Ӛ�rr��"���H3��F�+�,?q�pp���!�hB��.�v�ڈ��*d�0/)Yma�'dmc�R�U�� Cuttings. 0000010901 00000 n There are two types of propagation: sexual and asexual. 0000000971 00000 n It has one-half as many chromosomes as the parent cell. A. Asexual propagation is the reproduction of new plants from stems, leaves, or roots of a parent plant. 0 �VA2���{�3��"�0�w⬹,�,�b���ɣ����P��� trailer << /Size 694 /Info 463 0 R /Root 664 0 R /Prev 298887 /ID[] >> startxref 0 %%EOF 664 0 obj << /Type /Catalog /Pages 462 0 R /Metadata 464 0 R /Outlines 668 0 R /Names 666 0 R /StructTreeRoot 665 0 R /SpiderInfo 608 0 R /PageMode /UseOutlines >> endobj 665 0 obj << /Type /StructTreeRoot /ClassMap 433 0 R /K 671 0 R /ParentTree 434 0 R /ParentTreeNextKey 13 >> endobj 666 0 obj << /IDS 468 0 R /URLS 469 0 R /Dests 448 0 R >> endobj 692 0 obj << /S 512 /O 846 /E 862 /C 878 /Filter /FlateDecode /Length 693 0 R >> stream Asexual Propagation - Free download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online. Letter A indicates a A. nucleolus B. ribosome C. centriole D. centromere 2. 3. %PDF-1.4 %���� 0000001930 00000 n Sexual reproduction is the union of the pollen and egg, drawing from the genes of two parents to create a new, third individual. - Parent organism makes a copy of its DNA and then divides. The most important reason to use asexual propagation is to reproduce plants with the same characteristics as the parent plant. 0000004782 00000 n Students will learn that flowering plants and most animals reproduce sexually, often using complex strategies that 0000009740 00000 n Asexual Propagation-Questions-4 •The production of new plants from the stems, leaves, or roots of a parent plant. During binary fission, which is true of a daughter cell? propagation: asexual and sexual. �eNJ9M�^@�4sgyح(f�¸�x�8��@3���b!3D��g�J�s���J�y�5 ��M�G:���*��~��Y!�Iy��3hٔ$R�'�ڇ��鵬�p_����'��:��� �#*�^��NU7�B��9�cE9���� ���j]���n�C��M[&��s��H��� ��|y�O1ruGY������9� Dg?� multiple fission 2. Modes of reproduction corresponding to asexual reproduction. A pattern of reproduction and growth in a one- … Letter A indicates a A. nucleolus B. ribosome C. centriole D. centromere 2. This is called vegetative propagation. - Ex. However, some of the known fruits keep intact their specific characteristics of the variety independently from the way, which was used for propagation. In all types of asexual reproduction, the offspring are exactly like the parent because the offspring have the same DNA as the parent. Spore Formation. 0000077369 00000 n It can be sexual or asexual reproduction these Asexual propagation techniques include cuttings, grafting, layering, separation, divi-sion, and tissue culture. 0000002497 00000 n 0000002062 00000 n 0000002815 00000 n startxref aaa The explants are then placed into a rooting medium with a plant growth regulator to root. 0000000816 00000 n 0000007093 00000 n 663 0 obj << /Linearized 1 /O 667 /H [ 1345 717 ] /L 312277 /E 22874 /N 13 /T 298898 >> endobj xref 663 31 0000000016 00000 n The diagram shown represents a microscopic structure observed during the process of cell division. 0000001575 00000 n - Ex. 4. Asexual propagation techniques usually ensure that plants being propagated 0000001345 00000 n 0000004675 00000 n 0000002683 00000 n However, some of the known fruits keep intact their specific characteristics of the variety independently from the way, which was used for propagation. Plant propagation is the process of creating new plants. 0000007752 00000 n 0000004590 00000 n (1.) Asexual Propagation - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. xref endstream endobj 169 0 obj <>/Metadata 166 0 R/Pages 165 0 R/StructTreeRoot 11 0 R/Type/Catalog>> endobj 170 0 obj <>/MediaBox[0 0 612 792]/Parent 165 0 R/Resources<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/Rotate 0/StructParents 0/Tabs/S/Type/Page>> endobj 171 0 obj <> endobj 172 0 obj <> endobj 173 0 obj <> endobj 174 0 obj [250 0 0 0 0 0 0 0 333 333 0 0 250 0 250 0 0 500 0 500 0 0 0 500 0 0 333 0 0 0 0 0 0 722 0 722 722 667 0 778 778 389 0 0 667 0 722 0 611 778 722 556 667 722 0 1000 0 0 0 0 0 0 0 0 0 500 556 444 556 444 333 500 556 278 0 556 278 0 556 500 556 0 444 389 333 556 500 722 500 500 444] endobj 175 0 obj <> endobj 176 0 obj [250 0 0 0 0 0 778 0 333 333 0 0 250 333 250 278 0 500 500 500 500 500 500 0 0 0 278 278 0 0 0 444 0 722 667 667 722 611 556 722 722 333 0 722 611 889 0 722 556 0 667 556 611 722 0 944 0 0 0 0 0 0 0 0 0 444 500 444 500 444 333 500 500 278 278 500 278 778 500 500 500 500 333 389 278 500 500 722 500 500 444 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 750] endobj 177 0 obj <>stream Asexual Reproduction – Grade Six 1 Ohio Standards Connection: Life Sciences Benchmark B Describe the characteristics of an organism in terms of a combination of inherited traits and recognize reproduction as a characteristic of living organisms essential to the continuation of the species. 0000001275 00000 n The diagram shown represents a microscopic structure observed during the process of cell division. 0000001234 00000 n This publication is available in an enhanced digital version and PDF. 0000005687 00000 n Bj��>��=��"6m�L��� i�����V����f���>"�5�0r��8���,��,8�&M�C�4&��k�O�$M� ׷���~�������to"p=�{�?�������=�gw�Ĵ'���L7�`��9y�0IL����M^+@�>�}䘾c?��y?�4L��;٫a��o��T�&��[d�^��Y+�ה�\�VQ�Z.JR`��� H��Mϳ��3P�Ӆ�r�9�"�i��%�=��rɫ�qP�Ga. It is simply the reproduction or multiplication of a plant from a source that is often referred to as a mother plant. Asexual Propagation Techniques A group of plants originating from a single plant and reproduced by vegetative means is called a clone. View Fungi Reproduction.pdf from ENVH 421 at Rusangu University - ZAMBIA. (1.) Asexual propagation creates plants that are genetically identical to … 0000008401 00000 n Portions of parent plants are used to make new plants. 0000006873 00000 n 0000010052 00000 n This method is the most expensive method of asexual propagation, since it requires a sterile environment to be successful. 193 0 obj <>stream Mitosis & Asexual Reproduction Questions Name: Date: 1. An asexual propagation technique where small pieces of excised tissue or individual cells are placed in sterile in vitro culture containing all the nutrients, carbohydrates and hormones needed for growth. budding (2.) Students will learn that flowering plants and most animals reproduce sexually, often using complex strategies that It has one-half as many chromosomes as the parent cell. Types and processes of reproduction in fungi C. T. Kaira MSc BSc Introduction • Fungi reproduce by asexual, sexual or 0000009845 00000 n binary fission (4.) %PDF-1.5 %���� Asexual Propagation - Free download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online. •No seeds needed •Respect patents! 0000004620 00000 n ASEXUAL PROPAGATION (Additional information on asexual propagation can be found on the plant propagation pages).. Asexual propagation, multiplication without passage through the seed cycle, is the best way to maintain some species, particularly an individual that best represents that species. 0000002040 00000 n It is simply the reproduction or multiplication of a plant from a source that is often referred to as a mother plant. Mitosis & Asexual Reproduction Questions Name: Date: 1. The most common asexual method is cuttage. 0000001152 00000 n It was observed that higher fission rate was recorded in small specimens as compared to large A variety of different methods of asexual reproduction are examined including the simple method by which single celled organisms divide and produce two identical copies of themselves. ܹwP����]��㸭,s����Β~:?�M�Ϯ� ď�^�,�0�����W��o������\-�C%�j.���:ã'�Z'#�b$#���ӹ 9M�O9���;�Eq�$�hp*w��Ѝ���r�Ds?�Y����g�vH>n#�� ���|O�}�$�9 hydra Sexual and Asexual Reproduction Asexual propagation. 0000003164 00000 n 0000002703 00000 n This method is the most expensive method of asexual propagation, since it requires a sterile environment to be successful. 0000004418 00000 n Disadvantages: Asexual Reproduction Because their offspring are identical, there is no genetic variation that can give an organism a better chance for survival Example: If a weed killer can kill the parent, it will also kill the offspring A whole species can be wiped out from a … 0000001109 00000 n Asexual Propagation-Asexual propagation involves taking a part of one parent plant and causing it to regenerate itself into a new plant Seedling- A seedling is a young plant sporophyte developing out of a plant embryo from a seed. Sexual propagation is multiplication of plants from seed, and asexual or vegetative propagation involves starting a new plant from some vegetative part of a plant. Merits of asexual propagation 0000004561 00000 n 7\�� 0000002580 00000 n Because the plants are identical, the lack of diversity can make plants susceptible to disease. reproduction, carries unpredictable characteristics of its own, which includes the tendency to revert to a wild-like state of the specie. Asexual reproduction includes fission, budding, fragmentation, and parthenogenesis, while sexual reproduction is achieved through the combination of reproductive cells from two individuals. ADVANTAGES: 1. After rooting, they are placed in soil in a controlled environment to acclimate before being sent to the nursery. - Ex. Asexual Reproduction – Grade Six 1 Ohio Standards Connection: Life Sciences Benchmark B Describe the characteristics of an organism in terms of a combination of inherited traits and recognize reproduction as a characteristic of living organisms essential to the continuation of the species. This type of reproduction only requires one parent and is called asexual reproduction. - Parent organism makes a copy of its DNA and then divides. 0000003340 00000 n The vegetative parts of a plant like leaf, stem, root or their modified forms are used for propagation. reproduction, carries unpredictable characteristics of its own, which includes the tendency to revert to a wild-like state of the specie. }��e��)i]Qd� The cell simply divides into two identical, but smaller, cells when it is fully grown. 0000002170 00000 n aaa Most plants in the landscape plant industry are selected because of certain characteristics such as size, form, color and/or growth habit. <]/Prev 103691>> It is especially useful for plants that are difficult or impossible to propagate from seed. Sexual propagation involves the floral parts of a plant. $�ly噄�ӥ�`�o�. Asexual Reproduction : Notes/W.S.-50 Asexual reproduction is reproduction which requires only one parent. It is also called ‘vegetative propagation’. agriculture, sexual reproduction is the dominant method of producing new plants. Asexual propagation does not involve sex. 0000008697 00000 n ��igy`|�~�¾ �4�|�ʝ�q��(������̀ӓɚ����' �΀���*��̙�cq�&��ipI`F�����I��ɘ9���g�g�W6]|t��3�e�O�+���g�D�_ �ż� endstream endobj 693 0 obj 587 endobj 667 0 obj << /Type /Page /MediaBox [ 0 0 612 792 ] /Parent 549 0 R /PZ 1.17647 /StructParents 0 /Contents 678 0 R /Resources << /ColorSpace << /CS0 673 0 R /CS1 674 0 R /CS2 675 0 R >> /Font << /T1_0 676 0 R /TT0 672 0 R /TT1 679 0 R /TT2 683 0 R /T1_1 684 0 R >> /XObject << /Im0 690 0 R >> /ExtGState << /GS0 685 0 R >> /ProcSet [ /PDF /Text /ImageC /ImageI ] >> /ID 691 0 R /CropBox [ 0 0 612 792 ] /Rotate 0 >> endobj 668 0 obj << /Count 2 /Type /Outlines /First 669 0 R /Last 669 0 R >> endobj 669 0 obj << /Title (Local Disk) /Parent 668 0 R /First 670 0 R /Last 670 0 R /Count 1 >> endobj 670 0 obj << /Title (docs\\lectsupl\\Propaga\\propaga) /Dest [ 667 0 R /XYZ 0 792 null ] /SE 671 0 R /Parent 669 0 R >> endobj 671 0 obj << /S /Article /C /SpdrArt /P 665 0 R /Pg 667 0 R /K [ 0 << /Type /MCR /Pg 1 0 R /MCID 0 >> << /Type /MCR /Pg 4 0 R /MCID 0 >> << /Type /MCR /Pg 10 0 R /MCID 0 >> << /Type /MCR /Pg 13 0 R /MCID 0 >> << /Type /MCR /Pg 55 0 R /MCID 0 >> << /Type /MCR /Pg 58 0 R /MCID 0 >> << /Type /MCR /Pg 64 0 R /MCID 0 >> << /Type /MCR /Pg 73 0 R /MCID 0 >> << /Type /MCR /Pg 91 0 R /MCID 0 >> << /Type /MCR /Pg 103 0 R /MCID 0 >> << /Type /MCR /Pg 135 0 R /MCID 0 >> << /Type /MCR /Pg 172 0 R /MCID 0 >> ] >> endobj 672 0 obj << /Type /Font /BaseFont /Arial,Bold /Subtype /TrueType /Encoding /WinAnsiEncoding /FontDescriptor 677 0 R /Widths [ 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 750 278 333 474 556 556 889 722 238 333 333 389 584 278 333 278 278 556 556 556 556 556 556 556 556 556 556 333 333 584 584 584 611 975 722 722 722 722 667 611 778 722 278 556 722 611 833 722 778 667 778 722 667 611 722 667 944 667 667 611 333 278 333 584 556 333 556 611 556 611 556 333 611 611 278 278 556 278 889 611 611 611 611 389 556 333 611 556 778 556 556 500 389 280 389 584 350 556 350 278 556 500 1000 556 556 333 1000 667 333 1000 350 611 350 350 278 278 500 500 350 556 1000 333 1000 556 333 944 350 500 667 278 333 556 556 556 556 280 556 333 737 370 556 584 333 737 552 400 549 333 333 333 576 556 278 333 333 365 556 834 834 834 611 722 722 722 722 722 722 1000 722 667 667 667 667 278 278 278 278 722 722 778 778 778 778 778 584 778 722 722 722 722 667 667 611 556 556 556 556 556 556 889 556 556 556 556 556 278 278 278 278 611 611 611 611 611 611 611 549 611 611 611 611 611 556 611 556 ] /FirstChar 0 /LastChar 255 >> endobj 673 0 obj /DeviceRGB endobj 674 0 obj /DeviceGray endobj 675 0 obj [ /Indexed /DeviceRGB 255 686 0 R ] endobj 676 0 obj << /Type /Font /Subtype /Type1 /BaseFont /Times-Roman /Encoding /WinAnsiEncoding >> endobj 677 0 obj << /Type /FontDescriptor /Ascent 1010 /CapHeight 716 /Descent -376 /Flags 32 /FontBBox [ -628 -376 2000 1010 ] /FontName /Arial,Bold /ItalicAngle 0 /StemV 144 /XHeight 519 >> endobj 678 0 obj << /Filter /FlateDecode /Length 681 0 R >> stream (1.) • If the stems are not joined, gently pull the plants apart. Cuttings are typically portions of stems or leaves from which new plants are ASEXUAL PROPAGATION (Additional information on asexual propagation can be found on the plant propagation pages).. Asexual propagation, multiplication without passage through the seed cycle, is the best way to maintain some species, particularly an individual that best represents that species. H��TMo�0�#��hK��NK��C��J�����|�"A!�v���̸N ,!,{���͛I�;����c��-D��psۇ�a�սנ ��- �4�"��(W���v+�-�֋H��­d'�7ńv[Z�x��"�����1�}N�b3���nk�dfs3�A���{�u��ItP'Z��җ�� ;����ʵ�T�H� �\�8�mz*mfg{���o��SeM3������[���,��i��ډ��gr����U�W����M�g40����Ze͔�PkP�! a. Asexual propagation enables the production of plants that would otherwise be difficult or impossible because the plant does not produce viable seed or the seed is difficult to germinate. 0000000016 00000 n • Plants with more than one rooted crown may be divided and the crowns planted separately. sporulation (3.) %%EOF Conditions need to be warm and humid, and soil needs to remain moist for cuttings to 0000008311 00000 n Asexual propagation (cuttings) of woody trees and shrubs provides a viable alternative for high altitude settings. In general, two methods are employed: (1) sexual, and (2) asexual. Asexual propagation is the best way to maintain some species, particularly an individual that best represents that species. a�txsZC��h��,����;�_y߃�aj�q��C�%� +�&�,"H��f�e�H6,�+\�l�$+¢�WG�U����rmme�wM����H�4�pqAY>�"�"K�ZSתcb]NJ�٣����x�z�n"�,H�� �Ɩ&����{l�7��ؾ{����m��@;�LJuѡܿ��ܩ3G�x��x�׾��N��ȱ��.��>i�8�u�����GdL�J�����ڠ604�x����\�y��aA��_�/_ilj�n���c5��@@��n�����5`�V��: "}��N� �T���o���i���?_��7f"�]o��� �\r��)&���)$ Size, fission position, and temperature impacts were experimentally assessed. bacteria •Budding occurs when a bud grows on an organism and develops into a full-sized organism. T ype Sub-type Vegetative multiplicatio n (animals and plants) e.g. budding (2.) 0000005152 00000 n Benefits of asexual propagation include quick reproduction, the plants are identical to the parent plants so you can propagate excellent plant specimens. Seed Propagation • primary method to propagate annuals & vegetables; some perennials • Seed propagation is also used to propagate some woody trees and shrubs. 10.3329/ptcb.v19i2.5445 Plant Tissue Cult. In horti-culture, both sexual and asexual reproduction are common methods of producing new plants. Asexual Reproduction: Practice Questions #1 1. Asexual Reproduction: Practice Questions #1 1. For example, potato tubers, runners/stolon, onion bulbs, etc., all reproduce through vegetative propagation. Simpler forms of life such as bacteria, amoebas, and yeast cells reproduce asexually. 0000004986 00000 n Asexual Propagation. p ��ʋ�EI��͔;�R�0*�mm}����gK `]�Ɩ(|ՔEc���G{��ϝ i� �?6D���?��CNO=��Wn0���ߑ� �+� Asexual reproduction includes fission, budding, fragmentation, and parthenogenesis, while sexual reproduction is achieved through the combination of reproductive cells from two individuals. • The primary limitation is that many plants do not come true from seed. Asexual Propagation. 7 Today’s methods Asexual Reproduction In single-celled animals, cell division allows them to reproduce. Benefits of Asexual Propagation •Speed, maturity •Works when seeds are hard to germinate •Easy •Not expensive. After rooting, they are placed in soil in a controlled environment to acclimate before being sent to the nursery. (1.) Which method of reproduction is carried on by the paramecium? 0000006408 00000 n Asexual Propagation: Division • Propagation by division is the simplest form of propagation. •Binary fission is the form of asexual reproduction in prokaryotes. A pattern of reproduction and growth in a one- … During binary fission, which is true of a daughter cell? hydra Sexual and Asexual Reproduction 0000008767 00000 n endstream endobj 179 0 obj <>stream Cuttings One of the commonest and simplest methods of asexual propagation is that of cut-tings. 0000005289 00000 n 0000008288 00000 n 168 0 obj <> endobj 0000077957 00000 n 0000002468 00000 n Asexual reproduction by transverse fission was studied in populations of Holothuria arenicola through investigation of different factors affecting the fission and survival rates. Dormant hardwood cuttings provide ease of handling and storage, however, access to donor plants, winter browsing, seasonal staffing, and reduced … Most of the horticultural crops are commercially propagated by vegetative or asexual method of propagation. 0000022477 00000 n 0000003800 00000 n h�b```b``^������� Ȁ �@1V��:o����P�4� ��G��v�R���g�4F�j^�&��-�(kl��RŤ����(����A�@Z���"b@��7�7+�.�X�œǔƨŰ��/�!���V=�ZF��6�}�,OZ����f`��g10�=��.g`��H3�k� �/� Sexual propagation is multiplication of plants from seed, and asexual or vegetative propagation involves starting a new plant from some vegetative part of a plant. bacteria •Budding occurs when a bud grows on an organism and develops into a full-sized organism. •Binary fission is the form of asexual reproduction in prokaryotes. 0000001755 00000 n • Advantages include: – access to large numbers of propagules – ease of harvest/storage. Asexual reproduction in plants occurs through their vegetative parts such as leaves, roots, stem, and buds. 0000010925 00000 n Clones are groups of plants that are identical to their one … 0000077622 00000 n PDF | Key words: Auxillary buds, Eggplant, Encapsulation, Synthetic seed D.O.I. If the crowns are united by … binary fission (4.) Asexual propagation is used to maintain selections of known identity and quality and includes such techniques as division, cuttings, air-layering, and grafting. Disadvantages: Asexual Reproduction Because their offspring are identical, there is no genetic variation that can give an organism a better chance for survival Example: If a weed killer can kill the parent, it will also kill the offspring A whole species can be wiped out from a … sporulation (3.) x,�Ѿ���P�-�̕G��ڢ�nV��=��7 Q�!�B��X�Ce�z���B�E��{� �T H��T]o�@|�����w��9cSE��/)�"U*oM�9 0000008516 00000 n 0000005316 00000 n trailer multiple fission 2. It can be sexual or asexual reproduction these Seedling development starts with germination of the seed In general, two methods are employed: (1) sexual, and (2) asexual.