Siyini isitshalo semarcescente?

Ngokuwa, amahlathi ahlaselayo avame ukuphuma emaqabungeni. Izinga lokushisa eliphansi libaphoqa ukuba bayophumula, ngoba uma kungenjalo bebengeke baphile. Noma kunjalo, kukhona uhlobo lwesitshalo okuthi, yize lubhekwa njengolunqabile, olunophawu olwenza ezinye izindawo zibukeke kahle, zehlukile.

Yilokho okwaziwa ngokuthi yi-marcescente, futhi asikutholi emahlathini kuphela, kepha empeleni kungakhula kunoma yisiphi isifunda lapho kunentwasahlobo, ihlobo, ekwindla nasebusika, futhi izinkathi ezine ziyahlukaniswa.

Yiziphi izici zesitshalo se-marcescente?

Esitshalweni esinqumayo, ake sithi kuvamile, ukufika kwekwindla kuphawula ukuqala kokuphela kokuphakelwa kokudla kwamaqabunga. Ngamanye amagama, njengoba isimo sezulu siphola kanye nesithwathwa sokuqala siqala ukubhaliswa, isihlahla noma isihlahlana sizophelelwa amahlamvu, angashintsha umbala (kusuka kokuluhlaza kuye kophuzi, owolintshi noma obomvu, kuye ngohlobo) njengoba uphela izakhamzimba.

Uma selome ngokuphelele, okusho ukuthi, uma selinombala onsundu futhi ipetiole (isiqu esiyixhuma egatsheni) nayo ilahlekelwa impilo, umoya uzonakekela ukuyiyeka iwele phansi. Uma indawo ingahlanzwa (into ngendlela esingayincomi ukuyenzela lokho esizokuphawula ngakho manje), entwasahlobo isitshalo sizokwazi ukuthola ingxenye yezakhamzimba ebesizisebenzisa ukukhiqiza lawo makhasi.

Kepha lokhu, njengoba sisho, kwenzekani ezinhlotsheni ezijwayelekile ezinamakhemikhali, njengalezo zohlobo Acer (amabalazwe) ngokwesibonelo. Kepha lokhu akunjalo kuzo zonke izimo.

Kukhona uhlobo lwesitshalo, i-marcescente, okuthi ngamakhaza, yebo, ayeke ukunikeza izakhamzimba amaqabunga, kepha uma omile, ahlala emagatsheni, imvamisa kuze kuphume amasha ngokushesha lapho isimo sezulu siba ngcono. Lokhu kungenxa yokuthi i-petiole ihlala iphila, noma okungenani yinde ngokwanele ukuze isihlahla noma isihlahlana singapheli amahlamvu.

Ngokombono wethu, akuvamisile ukuba muhle ngokubukeka. Futhi kunengqondo, ikakhulukazi uma sizinikele ezitshalweni ezikhulayo. Iqabunga elomile livame ukufana nezinkinga, noma ukufa kwalesi sitshalo. Kepha i-marcescente isibonisa ukuthi ingaba yinhle, futhi ibe wusizo.

Izinzuzo zezitshalo zemarcescent

Ingabe ikhona inzuzo ngokugcina amaqabunga omile ebusika? Noma ngubani angacabanga ukuthi kungukuchitha amandla okungenamsebenzi, kanye nokumosha isikhathi ngoba, uma kuthatha isikhathi eside ukuwa, kuzothatha isikhathi eside ukuthi isitshalo sibe nezakhamzimba ezizokhishwa ngokushesha nje lapho zibola.

Kepha futhi, umbuso wezitshalo uyasimangaza.

Njengoba sazi, kunezilwane eziningi ezidla imifino, futhi kuzo, kunezinye eziningi ezondla emagatsheni, njengezinyamazane noma izigaxa. Ngakho-ke, Ngokugcina lawa maqabunga, nawo omile futhi ngenxa yalokho awathandeki kangako njengoba enokunambitheka okungathandeki, ayavikelwa. Kepha kusekhona okunye.

Ezindaweni ezinezintaba zezindawo ezishisayo, ukucacisa kakhulu ezindaweni eziphakeme kakhulu, kunezinhlobo ezithile ezisebenzisa amaqabunga azo ukuzivikela emakhazeni, njenge- U-Espeletia schultzii. Lesi yisitshalo se-herbaceous esikhula endle e-Andes yaseColombia, e-Ecuador naseVenezuela, endaweni ephakeme ngamamitha angama-4300 ngaphezu kolwandle.

Ngesikhathi sentwasahlobo nehlobo ikhula ngaphandle kwezinkinga, kepha uma kufika ubusika iyayeka ukukhula. Amaqabunga omile eminye iminyaka agcinwa, avikela isiqu. Ngale ndlela, ingahluma ngaphandle komzamo omkhulu lapho izimo zithuthuka.

El ISenecio keniodendron kungenye yezinhlobo esingazicabangela imarcescente. Kugcwele iNtaba iKenya, lapho ikhula khona phakathi kwamamitha angu-3900 4500 kanye no-40 30 ngaphezu kogu lolwandle. Emini kuyashisa kakhulu kangangokuba amazinga okushisa angadlula ku-XNUMXºC; hhayi ngeze, zisondele enkabazwe, kodwa ebusika lawo mazinga okushisa ancipha futhi angahle afike ku -XNUMXºC. Ukusinda, okwenzayo ukugcina amaqabunga omile isikhathi eside ngangokunokwenzeka, ukuvikela umboko.; futhi ngaphezu kwalokho, i-rosette yamaqabunga aluhlaza ivalwa ebusuku, igcina umhlahlandlela wokukhula uphephile.

Izinhlobo eziningi zezitshalo zemarcescent

Sikhulume ngezinhlobo ezithile, kepha ... ngabe sinazo yini eYurophu kanye / noma eMelika eyi-marcescent? Empeleni, hhayi eyodwa kuphela, kodwa kunalokho eziningana. Ngokwesibonelo, bonke UCarpinus (uphondo), I-Quercus (ama-oki), kanye UFagus (uhlobo lwe-beech) kukhona. Benza amahlathi ethu abukeke ansundu ebusika. Bese kuthi, kuphume amaqabunga aluhlaza, athathe indawo yalawo omile.

Lezi ezintathu zingumkhakha wezinhlanga obonakala ngokuba yizihlahla ezinkulu, ezinemiqhele eminyene. Kujwayelekile ukuthi zidlule ngamamitha angama-20 ukuphakama, futhi izinga lokukhula kwazo lihamba kancane. Zisetshenziswa kabanzi ezingadini uma nje isimo sezulu singekho futhi kuneqhwa. Futhi badinga inhlabathi ene-pH ene-asidi, ecebile ngezinto eziphilayo, ezijulile futhi ezinomsele omuhle.

Ucabangani ngesitshalo se-marcescente? Uke wezwa ngalelo gama?