tag:blogger.com,1999:blog-75559921619234905612024-02-19T18:21:43.229-08:00SourcesAnonymoushttp://www.blogger.com/profile/05659531259522617535noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-7555992161923490561.post-20723323773653484702011-04-17T03:27:00.001-07:002011-04-17T05:46:17.106-07:00Reproduction des orchidées par fécondation et semi in-vitro<div style="color: purple;"><u><span style="font-size: medium;">Semis :</span></u><br />
<div style="color: #f3f3f3;"><span style="font-size: x-small;">La technique la plus difficile mais aussi la plus gratifiante.</span></div></div>1° étape, détacher l'opercule d'une plante, afin d'en retirer les pollinies. Pour ce faire, utiliser soit un cure-dent, soit comme moi une fine pince.<br />
<div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjRDB6rxcytSbUfjhz1yyc9hEZzqfvoQEDDyqng-NhRpoGLTQSHzhCepIMtsgwm4-831jLC8BvtdwBVJmkSlkK7lYbEPoUNxfAnrTAfOU6mfM86Ypb-G5i3-ML9nXIhiic5ioLYM0nEjgQ/s1600/S1051414.JPG" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjRDB6rxcytSbUfjhz1yyc9hEZzqfvoQEDDyqng-NhRpoGLTQSHzhCepIMtsgwm4-831jLC8BvtdwBVJmkSlkK7lYbEPoUNxfAnrTAfOU6mfM86Ypb-G5i3-ML9nXIhiic5ioLYM0nEjgQ/s200/S1051414.JPG" width="200" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjt218utwpQ9wW2kXqn8xvQ7V0Mne1mpCdKvjuWNbLpXAqwDAkR13tnlJxX4G7kXOk9BM-TAcCZkHDjVEH1SN4ohNaMNyI9AN65cbxWPxwF1mUweAlSMrUGI6Xbx6Ihleuu_OkrXlZ_3Kc/s1600/S1051415.JPG" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjt218utwpQ9wW2kXqn8xvQ7V0Mne1mpCdKvjuWNbLpXAqwDAkR13tnlJxX4G7kXOk9BM-TAcCZkHDjVEH1SN4ohNaMNyI9AN65cbxWPxwF1mUweAlSMrUGI6Xbx6Ihleuu_OkrXlZ_3Kc/s200/S1051415.JPG" width="200" /></a></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg4MstoBNHHpUzIAGXaI4WjYPGxOX5jGhCVa1Xcf4D1neO7KM1dSke5CL-P8L4bJmj5Xgf41kjZOw93XYy46rIBketC1w_QllhSEp_ndCWv-L5NiJuDg0BSVvc9yOz36sSbj3RqPydyF38/s1600/S1051416.JPG" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg4MstoBNHHpUzIAGXaI4WjYPGxOX5jGhCVa1Xcf4D1neO7KM1dSke5CL-P8L4bJmj5Xgf41kjZOw93XYy46rIBketC1w_QllhSEp_ndCWv-L5NiJuDg0BSVvc9yOz36sSbj3RqPydyF38/s200/S1051416.JPG" width="200" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEixHR2HdD1p3m1lFWv0m59niLXd9sa_v-Q2MOhM1ArCBObxt9j_8Nb5fsdXwaxE83AvcdYkiujJeZ0hCZS1bhQpDNXqHKM4MJO8DPyF8GkgA1Sl1uS8gy_N8l0KfP7NhRvJ492hlPpaPUw/s1600/S1051418.JPG" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEixHR2HdD1p3m1lFWv0m59niLXd9sa_v-Q2MOhM1ArCBObxt9j_8Nb5fsdXwaxE83AvcdYkiujJeZ0hCZS1bhQpDNXqHKM4MJO8DPyF8GkgA1Sl1uS8gy_N8l0KfP7NhRvJ492hlPpaPUw/s200/S1051418.JPG" width="200" /></a></div>2° étape, placer les pollinies dans la cavité stigmatique ou ovaire d'une autre plante. Ne jamais auto-féconder l'orchidée. Un autre conseil ; polliniser plusieurs fleurs sur la même hampe !<br />
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<div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjp8Zv0KqWzaA9S1JOY8xxKeXA4fE91d7bTVAmmxFIhc51zDTEpBm2lcT1wc2UMo77_fKC2TF-VYd3QBHkN7n1D7yljJe3YIHDumYhYeaKQ1t3XFMcLRYLU-RLnbeZbqmYZzbpK7YkpfGs/s1600/S1051419.JPG" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjp8Zv0KqWzaA9S1JOY8xxKeXA4fE91d7bTVAmmxFIhc51zDTEpBm2lcT1wc2UMo77_fKC2TF-VYd3QBHkN7n1D7yljJe3YIHDumYhYeaKQ1t3XFMcLRYLU-RLnbeZbqmYZzbpK7YkpfGs/s400/S1051419.JPG" width="400" /></a></div>Quelque jours plus tard, la fleur semble fanée, mais en se refermant plus sur elle même. En fait elle va protéger l'ovaire fécondé avec ses pétales latéraux.<br />
<div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi6eCB0Fo0CxF0KHL5lwIY-OljJIg-1qjEtB2Pou0Qx2t1aBXWzF96bDgzvhPn0cswvrf_BeCmMr4bpCgh-w5Lf_6xfUPiWlFYvs7AVpgG30ou9hrJupyvy2m_sJcYr1gtrs_4B60aOpUc/s1600/S1051394.JPG" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi6eCB0Fo0CxF0KHL5lwIY-OljJIg-1qjEtB2Pou0Qx2t1aBXWzF96bDgzvhPn0cswvrf_BeCmMr4bpCgh-w5Lf_6xfUPiWlFYvs7AVpgG30ou9hrJupyvy2m_sJcYr1gtrs_4B60aOpUc/s320/S1051394.JPG" width="240" /></a></div>Et si on écarte un peu les pétales on peut voir l'ovaire qui s'est totalement fermé.<br />
<div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhp1sneqNQO-zTVM0GI2UaH8ZLIgMlQabPE8fZU1a535EbyQ5RK84v8_-eiggaErnra2lNMv330YZxdSEypgOeMN5mFi2r4scezbcecy8ZFaCaFPzB_4I3wlgvKhXQxi5TSiB1XSou5kSk/s1600/S1051400.JPG" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhp1sneqNQO-zTVM0GI2UaH8ZLIgMlQabPE8fZU1a535EbyQ5RK84v8_-eiggaErnra2lNMv330YZxdSEypgOeMN5mFi2r4scezbcecy8ZFaCaFPzB_4I3wlgvKhXQxi5TSiB1XSou5kSk/s200/S1051400.JPG" width="144" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi-LHU3E4CfFqBI7KK1k7uCfeRyEeBhDvKVw5G3h59z8cp4SPuklspG87kDY29EeETm31HoF3mzvV0HPnuWapd78JgTDRV1a2UkhHbb0QT1lweMxKNBxUFNMHGC32B2tEoAUo0pmuVaHhc/s1600/S1051405.JPG" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi-LHU3E4CfFqBI7KK1k7uCfeRyEeBhDvKVw5G3h59z8cp4SPuklspG87kDY29EeETm31HoF3mzvV0HPnuWapd78JgTDRV1a2UkhHbb0QT1lweMxKNBxUFNMHGC32B2tEoAUo0pmuVaHhc/s200/S1051405.JPG" width="132" /></a></div>3° étape, et pas la moindre, patienter en surveillant l'évolution de la fécondation. On ne change rien aux habitudes de la plante : lumière, arrosage, ... Pour les délais de croissances des gousses voir les différentes pages.<br />
<div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjJJi_lqFNA2I6zuE0-Yt5rsOjR1ir5RC1RzL72VyfjcKJr3gRTEEkW3JIh8IMy9iw2LnPhPf7RpW9JZrPbPYXzmceXO_sbABXq0D0LezMBH6rtcxxJ_VzAbNB9BZAaFKcUZYWugb7AthM/s1600/DSCF2711.JPG" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjJJi_lqFNA2I6zuE0-Yt5rsOjR1ir5RC1RzL72VyfjcKJr3gRTEEkW3JIh8IMy9iw2LnPhPf7RpW9JZrPbPYXzmceXO_sbABXq0D0LezMBH6rtcxxJ_VzAbNB9BZAaFKcUZYWugb7AthM/s320/DSCF2711.JPG" width="320" /></a></div><br />
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