Menene sassan, halaye da aikin fure?

A cikin wannan labarin zamu shayar da ku duk abin da akwai game da fure a matsayin muhimmin ɓangaren shuka, ayyukanta, halayenta, da sauransu, don haka kar a rasa wannan labarin mai ban sha'awa.

Furen shine tsarin haihuwa na shuka wanda aikin sa shine samar da tsaba wanda ke tabbatar da sabbin tsirrai na tsirrai kuma ta wadannan ne ake bada cigaban wata halitta da yaduwar sa.

Menene sassan fure?

Sun hada da gabobi guda hudu, muhimmai guda biyu sune androecium da gynoecium da kayan haɗi guda biyu waɗanda sune calyx da corolla.

Abin da ya zama ruwan dare shi ne ganin yadda furen ke goyan bayan furen fure wanda ya faɗaɗa ya zama rumbun inda aka shigar da gabobin furen guda 4 da muka ambata. Furen za'a iya gabatar dashi azaman ɗaya ko tare tare da wasu a cikin hanyar kwalliya.

Chalice

Ya kasance daga sepals waɗanda suke kore koyaushe, ya danganta da furen waɗannan an shirya su daban ko manne da junaHakanan, fasalin sa na iya zama iri ɗaya ko na yau da kullun, daban ko mara tsari.

Corolla

Ko petals, an shirya su a kewayen fure a matsayin kariya Daga wannan, yawanci suna da launi amma kuma suna iya zama kore, duk wannan zai dogara ne akan shukar. Ana gabatar da petal ɗin ta hanyoyi daban-daban, a rarrabe a haɗe, manne, masu girma dabam dabam, tare da siffofi daban-daban kuma suna da mahimmin aiki wanda yake fitar da ƙanshin halayen kowane tsiro don jawo hankalin kwari da kuma inganta aikin pollination.

Androecium

Saitin stamens ɗin da fure ke dashi, waɗanda suke bi da bi namiji na kwayar halittar shuka. Sassan sa sune filament da anther, na karshen ya kunshi jakunkunan pollen guda biyu wanda shine inda aka samar da kwayar halittar.

Gynecium

Shine tsakiyar ɓangaren fure kuma shine ɓangaren mata na wannan, ya ƙunshi ganyaye da yawa da ake kira carpels, ƙwarjin da ake sakawa a cikin akwatin kuma yana ɗauke da ovules, salon fasalin silinda da ke ƙunshe da tsoka mai laushi da wulakancin da ke kula da shi samar da ruwa mai zaƙi wanda ke ciyar da fulawa.

Zamu iya yanke hukuncin cewa abubuwan jima'i na shuka sune:

Ovule

An haɗa shi a cikin cikin ta ta nucela da ƙwarjin mahaifa wanda ya haɗu da ita zuwa mahaifar, kasancewarta yanayin jima'i na mata.

Fure-fure

Maza da mata, yana da kyau sosai ana haifar da shi a cikin jakunkunan pollen wanda launinsa na iya bambanta daga rawaya zuwa wasu inuwowi.

Tsarin Pollination

Shine tsari kai tsaye ko kuma kai tsaye inda ake samun canjin pollen daga tururuwa zuwa ƙyamar. An ce yana kai tsaye lokacin da aikin zaɓin ya faru a cikin fure ɗaya, don hakan ya yiwu wannan dole ne ya kasance hermaphrodite.

Kai tsaye ba kai tsaye bane lokacinda furen furen fure ya isa izgilin wani jinsi guda, wannan yana faruwa ne saboda sa hannun wakilai na waje kuma shine yake faruwa akai-akai.

Waɗannan wakilan na waje sune:

Iska

Ana ɗauke shi daga ɗayan tsire-tsire zuwa wani saboda haskensa, ana kiran wannan aikin anemophilia.

Kwarin

musamman butterflies da ƙudan zuma wadanda kamshin turaren da wasu furanni ke fitarwa, suna sauka akansu dan samun dattin jikinsu kuma jikinsu da kafafunsu suna dauke da kwayoyin hatsin fulawa wadanda suke dauke da su suna sanyawa a wasu. Wannan shi ake kira entomophilia.

Tsuntsaye

Suna yin kamar kwari, suna ɗaukar pollen daga wannan fure zuwa wancan. Ana kiransa Ornithophilia.

Ruwa

Furannin da ke shawagi a cikin ruwa yayin da suke arangama da juna suna watsa ƙura. Ana kiran shi Hydrophilicity.

Mutumin

Yana yin ta ne ta hanyar kere-kere don nazarin tsirrai ko don samar da albarkatu masu sarrafawa, sabbin tsirrai ko kuma tabbatar da haifuwa.