Ubani kithi ongajwayele lesi sihlahla esihle nesithintekayo esinesihlahla se-birch-white noma se-yellow? Ikhula ngamamitha angu-30-45 ukuphakama. Amaqabunga e-birch ayindilinga noma i-lanceolate, agijima emaphethelweni. I-plant blooms entwasahlobo, ngaphambi kokuba amaqabunga aqale ukukhula. Lezi zimbali ziqoqwe ngamacici.
Isithelo se-birch sibizwa ngokuthi i-nut-seeded nut, sinesayizi ka-1-5 mm. Inamaphiko amabili ewebhu. It is nuttic flattened nutlet, okuphezulu lapho kukhona khona iziqu ezimbili ezimile. Ukuvuthwa kwenzeka phakathi phakathi kwehlobo kanye nasekwindla.
I-birch izithela kangaki izithelo?
Isithelo se-birch sakhiwa lapho amacici ekhulelwa. Lokhu kulandela: entwasahlobo, amacici wesilisa aphethwe yilezi zivaliwe emzimbeni ovaliwe akhuliswa, izilinganiso zezimbali zivulwa futhi zivame ukuba ziveze impova zibonakala phakathi kwazo. Phakathi nalesi sikhathi, amacici aguqe kancane bese u-hang. Amacici wesifazane akhula eziqongweni zesikhukhula esifushane, esakha ngokuhamba kwesikhathi emahlumela omnyaka odlule.
Amacici abesilisa nabesifazane aqhuma ngesikhathi esisodwa, futhi emva kokukhulelwa, owesifazane uyalula futhi aqina ngenxa yokwanda kwesikali. Ngokuhamba kancane, iphenduka ibe i-oval or oblong cone.
I-birch izithela izithelo kangaki ngonyaka: kanye. Njengoba sekushiwo kakade, ukuvuthwa kwezithelo kwenzeka ehlobo-ekwindla. Kuye ngezimo zezulu, lokhu kungaba yisikhathi kusukela ngoJulayi kuya kuSeptemba. Ngemuva kokukhula, isithelo sehlumela siyancipha, induku ihlala kuyo.
Ngabe i-birch ithwala kangakanani - kusukela i-birch ikwazi ukuhlala iminyaka eyikhulu noma ngaphezulu, futhi ukuvuthwa kokuqala kuyineminyaka engama-10-20, kuye kuye
Birch - ubuchwepheshe bezolimo
Enyakatho yeNyakatho yezwe, i-birch ikhula kahle emhlabathini onomdlandla futhi ongenamanzi kakhulu ocebile kuma humus. Ukukhula kwezihlahla akuthinti kakhulu ukubunjwa kwamaminerali emhlabathini. Into ewukuthi ikhula kahle emhlabathini wenhlama.
Lesi sitshalo si-photophilic, ngakho sidinga ilanga elanele. Ngokuvamile ikhula ngxube nezinhlobo ezihlukahlukene ze-coniferous, ziwafinyelela ngokwezinga lokukhula.
Uma ufuna ukutshala ama-birches njengezindawo zokuhlobisa, khumbula ukuthi ziyomisa inhlabathi, zikhule ngokushesha kunezinye izihlahla, futhi zihambelane kahle nama-firs kanye nezinyathelo ezinamafu.