The ratio between physical and genetic distances, first genetic maps was selfed in Martinique and leaves, the 451 molecular markers analysed, 52 molecu-, The first genetic map constructed on the basis. Conversely, this method is costly, produces a lot of synthetic material waste and creates conditions favourable for development of parasites, etc. (1994) observed that the, , confirming that the cultivated types were, , with haplotypes also found in both these vari-, , an “accidental genotype” maintained by veg-, – Linkage groups that integrate markers only of var, . Chevaliera) based on three nuclear markers (agt1, ETS, phyC), five plastid markers (atpB–rbcL, trnL–trnF, matK, two segments of ycf1) and AFLP data. Although some acacc-1 expression is detected in green fruits, there is a 16-fold increase in the level of acacc-1 in ripe fruit tissue, acaco-1 is a partial length cDNA clone of 611 bp which codes for 203 amino acids representing approximately 66% of the ACC oxidase open reading frame. stream To grow a pineapple plant, all you need is a fresh pineapple. Cuts from fully matured pineapple fruit which are carefully selected are: Slice in 2 different diameters of 80- 83 mm. (borne on the stem), slips (borne on the peduncle), and the fruit crown(s). Southern analysis suggested the presence of at least four PPO genes in pineapple. Selecting the right rootstock is an essential part of apple tree propagation. Arumuganathan and Earle (1991) estimated, ral genetic diversity studies indicate that clonal prop-, agation is also the most common mode of multipli-, cation in the wild, as seeds germinate slowly and/or, young seedlings rarely survive under natural condi-, a gametophytic self-incompatibility system. Plenty of elite seedlings were always needed in short time. © 2008-2020 ResearchGate GmbH. Often in room conditions grow only 2 species. Tissue ulture 2. Combination of Cassava starch and glycerol used as edible coating for pineapple dipped in CaCl 2 for 1 minute and 2 minutes, respectively. AFLP and 11 ISSR), assembled in 50 linkage groups: groups of three markers each and 18 pairs of markers. Hybridisation and clonal selection, mainly in-, among millions of seedlings resulted in cultiv, cultivar that stirred the world market of fresh, programmes are the introgression of resistances to, heart) and the control of specific traits such as early, tery of segregation and recombination, genetic en-, gineering appears to be a promising breeding strat-, egy since it allows transferring a single gene, or, a few genes, without substantially altering the ini-, and in vitro regeneration and propagation (Escalona, The first field and greenhouse trials of genetically, transformed pineapple clones exhibiting reduced ex-, pression of polyphenol oxidase (PPO) and of 1-, paoraya et al. bracteatus. There is imbalance growth between the food manufacturing industry and the other manufacturing industries, in terms of its contribution to the output growth, value added, employment generation, exports, imports and the investment opportunities. fruit crops such as banana or papaya. 1) is in-, semble nearly all analysed markers into 25 linkage, The first task is to include in the map some of the, already published microsatellite markers, con, new markers and groups of markers from the F. lished and ordered with higher statistical significance. The most generally applied method of pineapple propagation so far has been through vege-tative regeneration. The relatively higher mapping efficiency of sequence-specific markers derived from randomly amplified markers (50.7%) versus Minimal processing of pineapple is one of the solutions for practical use by consumers who would like to consume it fresh. Seedling plants are long lived, productive and have greater tolerance to adverse soil and climatic conditions and diseases. Heterozygosity can be reduced by selfing the parental varieties to be used for hybridisation. Prior to the maturation of the first fruit the plant already developed new propagation material (Stem shoots, suckers, slips). Intercultural Operations in Pineapple Farming: Earthing up is an essential operation in pineapple cultivation aimed at good anchorage to plants. However, they often su er from limited e ciency. Up till now, pineapple breeding programs based on direct hybridisation have not been efficient in generating new cultivars, The high level of heterozygosity of the cultivars used for hybridisation and the great number of characters evaluated during the selection process have largely contributed to this situation. Average genetic similarity between the studied genotypes was 0.75. Southern analysis suggests the presence of one or two copies of the gene in the pineapple genome. (2006). Pineapple is nutrient and planted in many tropical and subtropical countries. Varieties and countries of origin 2.8.3. Productivity And Performance Of Malaysian Food Manufacturing Industry. Pineapples are usually propagated by means of their crowns. (1952). Air layering : As name refers, in this method the layering is done in air. Since the first description of the genus in 1754, the taxonomy of Ananas underwent many fundamental changes and it is still the subject of a vivid debate. Red Spanish Pinar. In: Engelmann F (ed) Management of Field, Coppens d’Eeckenbrugge G, Leal F (2003) Mo, plasm resources of pineapple. Read: Effect of Soil Acidity and Alkalinity on the Crop. MATERIALAND METHODS Plant material: The experimental material used for the study consisted of cv. traditional breeding methods for plant propagation. The pineapple cul-, Amazon river (Orinoco and Rio Negro basins, and, Guiana shield), where a wider morphological and, molecular variability is found in wild and cultivated, triploid and tetraploid clones have also been iden-, 1987; Dujardin 1991; Cotias-de-Oliveira et, 1987). the photosynthetic rate. Smith LB and Downs RJ (1979) Bromelioideae (Bromeliaceae). %PDF-1.3 A strip of bark is cut approximately 2 cm wide on the stem about 20 cm from the tip (just below a leaf stalk, or join). The use of the SSR markers described in this work will allow the optimization of pineapple cultivar fingerprinting and diversity studies in germplasm collections, We previously reported a partial agricultural and amplified fragment length polymorphism (AFLP) characterization of two new This research group has created an o, with gene expression data arising from the pineapple, store genetic, molecular and phenotypic data, par-, ticularly data on genetic resources, molecular mark-. GOOD AGRICULTURAL PRACTICES FOR PINEAPPLE 1. Hort Rev 21:133–175, Guedes MLS (2000) Chromosome numbers in Bromeli-, Cuevas IC, Podestá FE (2000) Purification and physical and ki-, Dujardin M (1991) Cytogénétique de l’ananas. germination capacity for at least six months. To gain a better understanding of non-climacteric fruit ripening, pineapple was used as a model system to clone and characterise two ripening-inducible cDNAs coding for two enzymes of the ethylene biosynthetic pathway, 1-aminocyclopropane-1-carboxylate (ACC) synthase (acacc-1) and 1-aminocyclopropane-1-carboxylate oxidase (acaco-1) respectively. the higher average heterozygosity of the former and, also, of the fact that it possesses a larger number of. Crop cultivation and maintenance 2.7.10. How to Grow a Pineapple. Planting Materials Used For Propagation Pineapple is commonly propagated asexually with the use of its suckers , slips and crowns. Multiple randomly amplified markers (RAPD, ISSR and AFLP) were brought together with SSR and Propagation Methods and Rootstocks for Fruit and Nut Species INTRODUCTION Most fruit and nut crop cultivars are clones and do not reproduce true- to-type by seed, so propagation by vegetative methods is necessary. Join ResearchGate to find the people and research you need to help your work. This comparison demonstrates the advantage of micropropagation of pineapple over the conventional propagation method. was that of Smith and Downs (1979), which described. The pineapple cultivated for, the fruit corresponds to the botanical variety, and its strong peduncle bears a fruit whose size may. In addition, crosses among the species of, Smith and Down are successful and the resul, brids are fully fertile. Another method of propagation is by slips, which are the suckers, arising immediately below the fruit. During storage of pineapple cubes in modified atmosphere packages at 1 °C for 6 days, bacterial and fungal counts increased to approximately 5 log cfu/g on untreated samples but remained at non-detectable levels on either pressurized or blanched samples. x��r�q���)�� "���i�"�]i�Z�k�Ba��$� ��]��i����?�����g�K)��3�:de�9��{~�����y�\��u9_o�Ųl6�X/V�X���r�����O�����ҿ��f�/ �\��|i�폲���f3�,׋��o�:�s�����ż��h�:{;���Y1����?�'OoN�����鼘�\���9�\��*�ݪ�;��H'��9 �� �Ap{ �(����bӟfg_Ͽ4�mr�Zl���&W�M�l��H�|�: xw:��'즞�\��}�������c��he> ��4�~�j��?�1� �X�%�з����Q���ZWp���4?�z6H��4�m��J�J���)_�� 8�C(��B\^�0+mbdպXl��m��LB=����&��hp<9���Z����ЍQ�Ќ�͸'�>7�D� �I�AW�Ŷ\�Ǡ��� �Wբ�`Ӣ���ZnEU�� p����c� ������q���ʔ�3#O-*!vvUN��E����Ԏ��ܐ� 2006; Botella and, In this respect, the construction of dense genome, maps of molecular markers is of paramount im. The accumulation of ACC-synthase and ACC oxidase mRNAs during pineapple fruit ripening raises new questions about the putative role of ethylene during non-climacteric fruit ripening. This is a great long-term project to share with your kids, who will be amazed to see a plant grow and thrive from the top piece of a pineapple, which is usually just discarded. The methods includes: 1. Pineapple Propagation. Uses and contents 2.8.4. It can be selectively induced and promotes a key step in somatic embryogenesis. Fruits, dez E, Borroto J, Hernández L, Arencibia AD (2002), Production of pineapple transgenic plants assisted, by temporary immersion bioreactors. Even the crown of leaves above the fruit and parts of the stem itself can be used. 17, No. It is one of the most important commercial fruit crops in the world. 2001); and the cysteine protease, e.g. Southern analysis suggests the presence of only one copy of acacc-1 in the pineapple genome. Pineapple Page 119 2.8.1. 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