Yana iya zama abin mamaki idan ka ga bishiya mai jajayen ganye, tun da koren halittarsa ya zama ruwan dare, amma wannan launin yanayi na yanayi ya tabbata ta hanyar ƙarancin hasken rana a faɗuwar da ke shafar samar da chlorophyll kuma ya sa wannan sauran launi ya haskaka. boye. A cikin wannan labarin, mun gabatar muku Mece ce Itacen Ganye kuma muna gayyatar ku don ci gaba da karantawa, don ƙarin koyo game da shi.
Itacen Ganye
A cikin kaka, lokacin da bishiya ya fara barci, samar da chlorophyll da ke ratsa bishiyar da ganye ya fara rufewa. Rashin chlorophyll yana haifar da asarar launin ganye. Wannan fili ya mamaye sauran launuka na wannan sashin shuka kuma yawanci shine babban launi da ake gani. Lokacin da kore ba ya nan, wasu inuwa suna bayyana. Jajayen ganyen kaka na faruwa ne sakamakon wani launi mai suna anthocyanin, wanda sukarin da suka makale a cikin ganyen a wannan kakar ke fitowa. Duk da haka, akwai wasu tsire-tsire irin su jajayen maples waɗanda ke da anthocyanins na halitta masu rinjaye da jajayen ganye a kowane lokaci na shekara.
Daban-daban
Akwai wurare da yawa tare da ƙasa mai wuyar gaske kuma tare da ƙarancin nitrogen, inda bishiyoyi sukan kasance suna da sautin ja fiye da na al'ada, don haka ɗayan ayyukan Anthocyanin shine kare tsire-tsire daga hasken ultraviolet, guje wa samar da free radicals. Bayan haka, za mu gabatar da jerin bishiyar da ke nuna wannan yanayin kuma jajayen ganyen su yana haifar da sakamako mai ban mamaki, sakamakon daidaitawar da suke yi.
Maple
Maples babban iyali ne na bishiyoyi, gami da mambobi na kowane nau'i da girma daga yanayi iri-iri daidai gwargwado. Ɗaya daga cikin nau'in ganye mai launin ja shine maple na maciji (Acer capillipes), wanda asalinsa ne a Japan, kamar yawancin jajayen maple. Ganyensa suna ja ne idan suka fara bayyana a bazara, sannan su koma kore a lokacin rani kawai su sake yin ja kafin faɗuwa.
Sauran taswirar ja-jajayen sun haɗa da maplebark (Acer griseum), bishiya mai ƙarancin girma mai ɗanɗano mai ban sha'awa mai ban sha'awa, haushin chestnut-brown, ganye tare da leaflets 3, santsi da fari a ƙasa, Suna zama ja mai haske a fall. A nasa bangare, Jafananci maple «Burgundy Lace» (Acer palmatum), fara rasa ganye a lokacin hunturu, sa'an nan kuma haifar da quite karfi m-ja foliage a lokacin bazara da kuma bazara, yayin da a cikin kaka yana samun ja.
jan itacen oak
Itacen da ke bunƙasa a kusan kowane yanayi, wannan al'ada ta Amurka tana ba da babban launi na rani da launin faɗuwar ja. Yana girma cikin sauri kuma ya kai tsayin tsayi na 18,5 zuwa mita 23, tare da yaduwar mita 13,5 zuwa 15. Ita bishiyar tana da daraja saboda tsarin tushenta mai zurfi, wanda ya sa ya zama mai amfani ga shuka a kusa da tituna na birni da kuma gefen titi, yana cika waɗannan wurare da launi mai kyau idan kaka ya zo kuma ganyensa suna yin ja don sha'awar mutane da yawa.
Fagus Sylvatica
A cikin wannan nau'in akwai nau'in Tricolor Beech, wanda ya shahara don samun launin shuɗi a lokacin bazara da lokacin rani, kowane ganye yana da gefuna na ruwan hoda kuma a lokacin kaka waɗannan ganye suna yin ja. A lokacin balaga, tsayinsa zai iya zama mita 3 zuwa 6, yayin da fadin kambinsa ya kai kimanin mita 3 tare da iyakar mita 7. Har ila yau, akwai nau'in tsire-tsire da ake kira purpurea (Beech), wanda ke da kambi mai zagaye da manyan ganyaye masu tsayi, tare da gefuna masu banƙyama suna nuna launin ja mai haske a lokacin kaka.
furanni dogwood
Wannan tsire-tsire ne mai ciyayi mai tsiro daga Arewacin Amurka, wanda zai iya ƙara kyan gani a duk shekara kuma musamman a cikin kaka tunda furanninta sun bambanta da launi daga fari zuwa ja kuma ganyen nasa suna samun launin ja, don haka sun fice don zama. sosai m itace na kakar. Wadannan tsire-tsire na iya girma a cikin yanayi iri-iri da yanayin ƙasa, gabaɗaya suna girma mafi kyau idan aka dasa su a cikin inuwa kaɗan a cikin ƙasa mai wadataccen ruwa, ƙasa mai wadatar humus mai ɗanɗano acidic.
Sauran nau'ikan Bishiyoyin Jajayen Leaf
A wannan bangare mun ambaci wasu nau'ikan bishiyoyi masu jajayen ganye, don sanin yawan da ke akwai. Daya daga cikinsu ita ce bishiyar tsami: tana da sunanta saboda dacin ganye, masu sirara da gefuna masu sheki. Suna iya girma har zuwa santimita 20 kuma suyi kama da ganyen peach, babban abin jan hankalinsu shine launin ja na ganyen su a cikin fall. Babban girma na wannan shuka yana da sauri sosai, yana kaiwa tsayin mita 7,6.
Bugu da ƙari, yana da kyau a lura da itacen apple ja na azurfa, wanda shine ɗayan ƴan nau'in crabapple waɗanda ke nuna ganyen ja-purple. Yana zubar da ganyensa a lokacin kaka kuma yana samar da 'ya'yan itatuwa kaɗan, masu ɗanɗano kaɗan. Waɗannan bishiyoyin suna girma zuwa tsayin kusan mita 6. Har ila yau, an haɗa da nau'in plum iri-iri waɗanda ke da ganyayen da ba a taɓa gani ba tare da launuka masu kama daga ja da shunayya zuwa koren kore tare da ƙulli na ja ko tagulla.
Bugu da ƙari, akwai nau'ikan itatuwan hayaƙi waɗanda ke ba da ganyen ja, irin su abin da ake kira Flame, Purpureous da Royal Purple. Ɗaya daga cikin halayensu shine cewa suna da manyan ganyaye masu siffar kwali kuma suna da girma, wanda ke nufin suna zubar da ganye a cikin fall. Yawancin suna nuna tsayin da ke kusa da mita 7,6. Wani nau'in da za a haskaka shi ne Cercis canadensis Forest Pansy, wanda yawanci yana da guntun rassa daga tushe da kambi mai fadi, mai zagaye, yayin da manyan ganyen sa masu siffar zuciya suna kula da launi mai launin ja.
Bishiyoyin Sweetgum suna da haske sosai a cikin kaka lokacin da ganyensu suka zama jajayen inuwa masu haske. Suna buƙatar wuri a cikin cikakkiyar rana ko inuwa. Suna girma a kusan kowace ƙasa, daga yashi zuwa yumbu da acid zuwa ɗan alkaline. Ganyen itacen ƙoƙon ɗanɗano mai zaki yana da ƙulli biyar zuwa bakwai, kuma siffarsu tayi kama da tauraro. Manyan ganye suna da faɗin 10 zuwa 18 cm. Launin faɗuwarsa yana daɗe fiye da na yawancin bishiyoyi.
Wani nau'in kuma ya ƙunshi bishiyar Malus Lizeth, wanda ya dace sosai ga ƙananan wuraren lambun, tunda ganyen sa yana yin ja a lokacin kaka yayin girma. Baya ga kyawawan ganyen, tana da furanni waɗanda suka fara fitowa kamar furanni masu launin ja kuma suna buɗewa don bayyana furannin ja, suna mai da shi bishiya mai ban mamaki. Daga karshe akwai kaho, wadanda kananan bishiyoyi ne wadanda a cikin inuwar wasu bishiyoyi suke da siffar budaddiyar sha'awa, amma a cikin hasken rana, suna da yanayin girma da tsayin daka, idan kaka ta zo, bishiyar takan rayu. tare da ganye masu launi a cikin inuwar ja, orange da rawaya.
Idan kuna son wannan labarin akan Menene Itacen Ganye, muna gayyatar ku don karanta wasu labaran da suka ƙunshi batutuwa masu ban sha'awa a cikin hanyoyin haɗin yanar gizo masu zuwa: