{"id":3190,"date":"2021-04-13T10:50:08","date_gmt":"2021-04-13T08:50:08","guid":{"rendered":"https:\/\/www.lesmerveillesdupacifique.com\/?page_id=3190"},"modified":"2025-04-14T11:47:20","modified_gmt":"2025-04-14T09:47:20","slug":"5-etapes-de-la-formation-de-la-perle","status":"publish","type":"page","link":"https:\/\/www.lesmerveillesdupacifique.com\/it\/5-etapes-de-la-formation-de-la-perle\/","title":{"rendered":"Gli 5 fasi della formazione della perla"},"content":{"rendered":"

[vc_row][vc_column][vc_column_text][\/vc_column_text][\/vc_column][\/vc_row][vc_section full_width=”stretch_row” full_height=”yes” content_placement=”middle” css=”.vc_custom_1618839785028{background-image: url(https:\/\/www.lesmerveillesdupacifique.com\/wp-content\/uploads\/2018\/07\/home-1.jpg?id=690) !important;background-position: center !important;background-repeat: no-repeat !important;background-size: cover !important;}” el_class=”ripple-it”][vc_row][vc_column width=”1\/4″][\/vc_column][vc_column width=”1\/2″][vc_column_text el_class=”white-box-hero”]<\/p>\n

La formazione della perla di Tahiti<\/h1>\n

A differenza delle perle fini, le perle coltivate generano un raccolto pi\u00f9 abbondante. Coltivare le perle significa introdurre un elemento esterno all\u2019interno dell\u2019ostrica. Questo processo necessita la mano dell\u2019uomo e permetter\u00e0 all\u2019ostrica di proteggersi, creando uno strato di madreperla intorno al corpo estraneo. La formazione della perla di Tahiti si forma in 5 punti:[\/vc_column_text][\/vc_column][vc_column width=”1\/4″][\/vc_column][\/vc_row][\/vc_section][vc_section full_width=”stretch_row_content” css=”.vc_custom_1526544188055{margin: 0px !important;border-width: 0px !important;padding: 0px !important;background-color: #f9f9f9 !important;}”][vc_row full_width=”stretch_row_content_no_spaces” content_placement=”middle”][vc_column width=”1\/2″ css=”.vc_custom_1526542990478{padding-right: 13% !important;padding-left: 13% !important;}”][vc_column_text]<\/p>\n

1 – La risorsa<\/h2>\n

La perla di Tahiti \u00e8 coltivata esclusivamente nelle lagune polinesiane, nell\u2019ostrica con le labbra nere, chiamata anche Pinctada Margaritifera. Questo nome si riferisce sia il tesoro che la perla. E molto fragile e vive solo in alcune lagune dell\u2019Oceano Pacifico. Questo mollusco ha la capacit\u00e0 di riprodursi facilmente in modo regolare, sopratutto durante le stagioni intermedie.[\/vc_column_text][\/vc_column][vc_column width=”1\/2″][vc_single_image image=”161″ img_size=”full” css=”.vc_custom_1618916193202{margin-bottom: 0px !important;}”][\/vc_column][\/vc_row][\/vc_section][vc_section full_width=”stretch_row_content” css=”.vc_custom_1526544230546{margin: 0px !important;border-width: 0px !important;padding: 0px !important;background-color: #f9f9f9 !important;}”][vc_row full_width=”stretch_row_content_no_spaces” content_placement=”middle”][vc_column width=”1\/2″][vc_single_image image=”3193″ img_size=”full” css=”.vc_custom_1618915803349{margin-bottom: 0px !important;}”][\/vc_column][vc_column width=”1\/2″ css=”.vc_custom_1526543139723{padding-right: 13% !important;padding-left: 13% !important;}”][vc_column_text]<\/p>\n

2 – La raccolta delle larve di madreperla<\/h2>\n
Nel periodo della deposizione delle ostriche, dei raccoglitori sono installati nella laguna per permettere ai gameti maschili e femminili di mescolarsi per dare vita alle larve di madreperla. Questi raccoglitori sono pezzi di plastica neri che permettono di catturare le larve di madreperla per aggrapparsi e crescere.<\/div>\n
<\/div>\n
Quando le larve di madreperla sono raccolte, l\u2019operazione di \u00ab\u00a0detroquage\u00a0\u00bb inizia. Ci\u00f2 significa rimuovere le larve dai raccoglitori. Le larve di madreperla sono poi forate e sospese da un filo di nylon a corde chiamate mazzi che sopporteranno 10 a 20 ostriche. Questo filo permette di ricreare il legame che univa la larva di madreperla al suo raccoglitore.<\/div>\n

[\/vc_column_text][\/vc_column][\/vc_row][\/vc_section][vc_section full_width=”stretch_row_content” css=”.vc_custom_1526544272370{margin: 0px !important;border-width: 0px !important;padding: 0px !important;background-color: #f9f9f9 !important;}”][vc_row full_width=”stretch_row_content_no_spaces” content_placement=”middle”][vc_column width=”1\/2″ css=”.vc_custom_1526543153898{padding-right: 13% !important;padding-left: 13% !important;}”][vc_column_text]<\/p>\n

3 – L\u2019allevamento<\/h2>\n
L’allevamento delle ostriche Pinctada Margaritifera necessita una sorveglianza ottimale sia per la loro salute che per la loro protezione contro i predatori naturali.<\/div>\n
<\/div>\n
Per favorire la crescita, una pulizia regolare e minuziosa \u00e8 fondamentale. Da tre a quattro volte all’anno, le ostriche sono uscite dall’acqua per essere pulite accuratamente. Questo lavoro consiste nel rimuovere tutte le conchiglie, molluschi e alghe che vi si attaccano e che perturbano il buon sviluppo dell\u2019ostrica.<\/div>\n
<\/div>\n
Le ostriche possono essere innestate solo dopo tre anni.<\/div>\n
<\/div>\n

[\/vc_column_text][\/vc_column][vc_column width=”1\/2″][vc_single_image image=”3196″ img_size=”full” css=”.vc_custom_1618841530267{margin-bottom: 0px !important;}”][\/vc_column][\/vc_row][\/vc_section][vc_section full_width=”stretch_row_content” css=”.vc_custom_1526556748513{margin-top: 0px !important;margin-right: 0px !important;margin-bottom: 0px !important;margin-left: 0px !important;border-top-width: 0px !important;border-right-width: 0px !important;border-bottom-width: 0px !important;border-left-width: 0px !important;padding-top: 0px !important;padding-right: 0px !important;padding-bottom: 0px !important;padding-left: 0px !important;background-color: #f9f9f9 !important;}”][vc_row full_width=”stretch_row_content_no_spaces” content_placement=”middle”][vc_column width=”1\/2″][vc_single_image image=”3247″ img_size=”full” css=”.vc_custom_1618915760290{margin-bottom: 0px !important;}”][\/vc_column][vc_column width=”1\/2″ css=”.vc_custom_1526543311111{padding-right: 13% !important;padding-left: 13% !important;}”][vc_column_text]<\/p>\n

4 – L\u2019innesto<\/h2>\n
Per ottenere una perla di cultura di Tahiti, \u00e8 necessario procedere alla fase del innesto. L\u2019idea \u00e8 fare una piccola incisione nella sacca perlifera per inserire un innesto e un nucleus.<\/div>\n
<\/div>\n
\n
    \n
  • innesto : pezzo di \u00ab\u00a0manteau\u00a0\u00bb prelevato da un\u2019ostrica donatrice<\/li>\n
  • nucleus : sfera ottenuta da un pezzo di conchiglia<\/li>\n<\/ul>\n<\/div>\n
    Dopo l\u2019operazione, \u00e8 necessario un periodo di 45 giorni per sapere se c’\u00e8 stato rigetto del nucleus oppure la morte dell\u2019ostrica. Se invece il nucleus e l’innesto sono accettati dall’ostrica portatrice, l\u2019ostrica produrr\u00e0 per 24 mesi uno strato di madreperla per proteggersi. Per essere commercializzata, la madreperla deve avere uno spessore minimo di 0,8 mm.<\/div>\n
    <\/div>\n
    Quando l\u2019ostrica rigetta il nucleus, il Kkeshi si forma con il piccolo pezzo d\u2019innesto. A differenza della perla, il Keshi non contiene un nucleo sferico.<\/div>\n

    [\/vc_column_text][\/vc_column][\/vc_row][\/vc_section][vc_section full_width=”stretch_row_content” css=”.vc_custom_1526556754206{margin-top: 0px !important;margin-right: 0px !important;margin-bottom: 0px !important;margin-left: 0px !important;border-top-width: 0px !important;border-right-width: 0px !important;border-bottom-width: 0px !important;border-left-width: 0px !important;padding-top: 0px !important;padding-right: 0px !important;padding-bottom: 0px !important;padding-left: 0px !important;background-color: #f9f9f9 !important;}”][vc_row full_width=”stretch_row_content_no_spaces” content_placement=”middle”][vc_column width=”1\/2″ css=”.vc_custom_1526554875205{padding-right: 13% !important;padding-left: 13% !important;}”][vc_column_text]<\/p>\n

    5 – Il raccolto<\/h2>\n

    Dopo due lunghi anni, i perlicoltori estraggono le ostriche portatrici dall\u2019acqua e ricorrono ai \u00ab\u00a0greffeurs\u00a0\u00bb per raccogliere le perle.<\/p>\n

    Quando le ostriche sono pulite, il \u00ab\u00a0greffeur\u00a0\u00bb fa una seconda incisione per estrarre la perla o il Keshi (perla senza nucleo). Se l\u2019ostrica madre \u00e8 sana e che il \u00ab\u00a0greffeur\u00a0\u00bb giudica che la qualit\u00e0 delle perle raccolte \u00e8 soddisfacente, l\u2019ostrica \u00e0 innestata di nuovo con un nucleus di stessa dimensione.<\/p>\n

    Una volta raccolte, le perle e i Keshis vengono risciacquati e messi in un tamburo per pulirli e farli brillare.<\/p>\n

    [\/vc_column_text][\/vc_column][vc_column width=”1\/2″][vc_single_image image=”3266″ img_size=”full” css=”.vc_custom_1618915649651{margin-bottom: 0px !important;}”][\/vc_column][\/vc_row][\/vc_section][vc_row][vc_column][vc_single_image image=”3197″ img_size=”full” alignment=”center”][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text][\/vc_column_text][\/vc_column][\/vc_row]<\/p>","protected":false},"excerpt":{"rendered":"

    [vc_row][vc_column][vc_column_text][\/vc_column_text][\/vc_column][\/vc_row][vc_section full_width=”stretch_row” full_height=”yes” content_placement=”middle” css=”.vc_custom_1618839785028{background-image: url(https:\/\/www.lesmerveillesdupacifique.com\/wp-content\/uploads\/2018\/07\/home-1.jpg?id=690) !important;background-position: center !important;background-repeat: no-repeat !important;background-size: cover !important;}” el_class=”ripple-it”][vc_row][vc_column width=”1\/4″][\/vc_column][vc_column width=”1\/2″][vc_column_text el_class=”white-box-hero”] La formazione della perla di Tahiti A differenza delle perle fini, le perle…<\/p>\n","protected":false},"author":6,"featured_media":0,"parent":0,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_mi_skip_tracking":false},"yoast_head":"\nComment se forment les perles ? 5 \u00e9tapes de formation des perles de culture<\/title>\n<meta name=\"description\" content=\"Comment se forment les perles d'hu\u00eetres ? 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