Yintoni ifototropism

I-Orchid phototropism

Ngaba wakha wazibuza ukuba kutheni izityalo zibonakala zikhula ecaleni? Yinto eqhelekileyo leyo inokubonakala ngakumbi kwizityalo ezisendlwini, kodwa inokwenzeka nakwizithole zethu okanye kwizityalo ezingakufumaniyo ukukhanya kwelanga abakudingayo.

Le yinto eyaziwa ngokuba yi ifototropism, ngokukodwa into elungileyo. Kodwa ... yintoni i-phototropism?

Ifoto ye-phototropism efanelekileyo

Izityalo zifuna ukukhanya ukuze zikwazi ukwenza imisebenzi yazo ebalulekileyo kwaye zikhule. Kule yeendlela zabo zokusinda kukuba zivelise iziqu zazo okanye amagqabi ngendlela eya kuthi ibambe ukukhanya okungangoko kunokwenzeka, nokuba oko kuthetha ukukhula ngendlela esinokucinga ukuba ayiqhelekanga. Benza konke oku ngokuzolula (okanye ukolula) iiseli zesitshixo sesahlulo esinombala ngakumbi kwimisebenzi. Ezi phytohormones zenziwa kwiiseli, kwiingcebiso zamasebe, kwaye zithuthwa zisuswe kwesinye iseli ziye kwenye, kwaye ngenxa yoko zinokufikelela kwiindawo eziphakamileyo ngendlela enomdla kakhulu, zikwazi ukufumana ukujika okumangalisayo embokweni yazo.

Kungenzeka nakwizityalo ezinokukhanya okuninzi, kodwa zifumane umthombo oqaqambileyo. Mhlawumbi kwenzeka kuwe ukuba ubunesityalo kwigumbi eliqaqambe kakhulu, kodwa ke xa usibeka kufutshane nefestile amagqabi awo aqala ukukhula ngokokukhanya. Ngesi sizathu kuyacetyiswa ukuba, nje ukuba ufumane isityalo, sibekwe kwindawo yayo yokugqibela.

Ifotootropism

Ukuthintela ukuba iziqu kunye / okanye amagqabi ezityalo zethu kufuneka akhule kakhulu, Kuyimfuneko ukwazi ukuba ungazibeka phi. Umzekelo, ukuba sine-cactus okanye umthi wesundu, ukuvezwa kwayo ngokuthe ngqo elangeni kuba kungenjalo sinokuphelela ekufezekiseni ukuba ukukhula kwezi zityalo akwanelanga.

Ukuba unamathandabuzo malunga nokuba ungabeka phi izityalo zakho, ungathandabuzi ukunxibelelana contact nathi 😉.


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