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Il fiore tra le spine

Mese: Aprile 2021

Dalla metà di aprile le fioriture dei cactus entrano nel vivo: una gallery fotografica

Mammillaria, Turbinicarpus, Ancistrocactus, Echinocereus, Lobivia. Sono solo alcuni dei tanti generi di cactus che fioriscono nel mese di aprile, in primavera avanzata. In questo periodo dell’anno, con l’aumento delle temperature e con le prime annaffiature, si può dire che le fioriture dei cactus entrano davvero nel vivo per susseguirsi ininterrottamente fino all’estate. 

In questa gallery fotografica vediamo alcune delle fioriture di questi giorni nella mia serra.

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Il marciume colpisce il mio Astrophytum di oltre 25 anni: ecco cosa ho fatto per salvarlo

Questa è una di quelle “sorprese” che non vorresti mai ricevere quando fai un salto in serra a controllare le tue piante. Che qualche pianta, specie in primavera, possa essere colpita da marciume radicale è inevitabile, soprattutto quando si coltivano centinaia di piante. Che a marcire sia proprio quell’esemplare che è con te da vent’anni, che hai visto crescere e fiorire ogni anno e che magari ha un valore affettivo particolare (ad esempio perché ti era stato regalato in una determinata occasione)… beh, è sempre dura da mandare giù, anche per il coltivatore più esperto. In questo caso, però, non è ancora detta l’ultima parola: l’Astrophytum myriostigma che vedete nelle foto è una delle piante con me da più tempo, è messo male ma non è ancora spacciato.

Ecco cosa è successo e come sto cercando di salvarlo. (…)

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Impollinare i cactus e ottenere semi dalle nostre piante: ecco come fare

E’ una delle tante cose più facili a farsi che a dirsi. Sì, perché se anche può sembrare una pratica per veri appassionati e consumati esperti, in realtà l’impollinazione è alla portata di chiunque e non richiede particolare competenze. L’unica vera difficoltà, al massimo, consiste nel conoscere quali specie possono essere incrociate tra di loro, ma se restiamo su piante dello stesso genere si tratta semplicemente di avere un po’ di manualità e di pazienza.

In questo video vediamo come impollinare i cactus per ottenere frutti dai quali ricavare i semi e riprodurre così le nostre piante.

Leggi tutto “Impollinare i cactus e ottenere semi dalle nostre piante: ecco come fare”

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