Tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsayi, da lokacin da yake da matsala
A lokacin da furanni Bloom
A yanayi, tsire-tsire suna haifar da furanni ta kowane nau'i na dalilai. Zai iya zama yanayi mai dumi. Zai yiwu farkon lokacin damina. Ko kuma yana iya zama adadin haske mai samuwa.
Wasu tsire-tsire, irin su kalanchoe shuka ko tsire-tsire poinsettia , lokacin da suke da tsinkaye ga yawan hasken rana. Lokacin da hasken hasken rana ya ragu, ana haifar da su zuwa Bloom. Ana kiran waɗannan "tsirrai".
Sauran, irin su alayyafo , ana haifar da su suyi fure ne kawai bayan kwanakin suka fara zuwa wani lokaci. Ana kiran wadannan "tsire-tsire-tsire-tsire".
Photoperiodism
Wannan yanayin a cikin tsire-tsire ana kiransa photoperiodism . Yana nufin ma'anar ƙwayar shuka ta dacewa zuwa adadin hasken da yake samuwa.
Kalmar "photoperiodism" an tsara shi don bayyana ikon shuka akan fure don amsawa ga canje-canje a cikin photoperiod: tsawon lokaci na dare da rana. Saboda furanni suna samar da tsaba, flowering yana da mahimmanci ga shuka don kammala rayuwarsa. Kodayake mutane sun san cewa tsire-tsire irin su furanni tulips a cikin bazara da furanni na furanni a cikin fall, har zuwa farkon shekarun 1900 kadan an san game da abinda ya haifar da furanni.
Da farko a cikin 1910, Wightman Garner da Henry Allard sun gudanar da gwaje-gwajen don gwada tasirin rana a kan flowering. Sun gano cewa tsire-tsire irin su sha'ir ya canza lokacin da tsawon rana ya fi tsayi.
Wadannan tsire-tsire, waɗanda suka kira sunaye na tsawon kwanaki (LDPs), flower mafi yawa a lokacin rani kamar yadda kwanakin ke yi tsawo. Sauran, irin su waken soya, furanni lokacin da tsawon rana ya guntu fiye da wani tsayin daka. Wadannan tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire-tsire (SDPs) a cikin fall kamar yadda kwanakin ke samun dan kankanin Duk da haka wasu basu kula da photoperiod kuma an kira su tsire-tsire-tsire rana ba.
Yunkuri Blooms
Yawancin masu shuka a gida ba za su damu ba game da photoperiods, amma akwai wasu lokuta a inda yake da matsala. Alal misali, poinsettias ba ta halitta ba ne a kusa da Kirsimeti. Maimakon haka, ana tilasta musu suyi furanni ta wurin ajiye su a cikin duhu saboda wasu lokutan sa'o'i a kowace rana a cikin hunturu don yaudarar su zuwa cikin hutu don hutu. Hakanan gaskiya ne ga kalanchoes: za a tilasta su suyi furanni a kowane lokaci na shekara kawai ta hanyar ajiye su a duhu don 14 hours a rana. Abin da ya sa zaka iya samun kalanchoe na flowering a kowane lokaci na shekara, amma za su yi fure a cikin fall ko farkon lokacin bazara.
Photoperiodism da Rarraba Tsire-tsire
Photoperiodism shine alhakin rarraba shuke-shuke da yawa a duniya. Alal misali, ragweed (SDP) ba a samuwa a arewacin Maine ba saboda furanni na furanni kawai lokacin da tsawon rana ya fi guntu fiye da 14.5 hours. A arewacin Maine, kwanaki ba su rage zuwa wannan tsayi ba sai watan Agusta. Wannan shi ne marigayi a cikin girma kakar cewa farkon sanyi ya zo kafin a sakamakon tsaba su ne cikakke isa don tsayayya da yanayin zafi, don haka jinsunan ba zai iya tsira a can. Ya bambanta, ba a samo alayya (LDP) a cikin wurare masu zafi ba domin akwai kwanakin ba su da dogon lokaci don ƙarfafa tsarin furanni.