UkubunjwaIsayensi

Iintsholongwane eziguqula - eziphilayo oluphakathi nitrogen

iintsholongwane eziguqula na iintsholongwane ezivela kuzenza iRhizobium (kwigama lesiGrike elithi -. "Ukuphila kwiingcambu"). Bona kwangena inkqubo ingcambu izityalo ke zihlale khona. ke Ngelo xesha na irhorho, t. To. iintsholongwane Hayi kuphela, kodwa ummeli izihluma bangenelwa. Ezo ubukho bentsebenziswano anenzuzo eziphilayo ekuthiwa ngokuncedisana. Kulo mzekelo, ezinye izityalo ziveliswa nitrogen apho "ukubamba" magciwane kunye iintsholongwane ngokwabo - carbohydrate neetyuwa. Abanye abantu bakholelwa ukuba la prokaryotes ziye zazinza iingcambu abameli kuphela ezi zilegumes usapho, kodwa ayikho. Kukho nezinye izityalo iingcambu zabo izilwanyana prokaryotes eziguqula - ezifana alder, yayingcongolo ehlathini njalo njalo ..

Kuba eziphilayo iRhizobium uhlobo luphawulwa polymorphism, okt. E iindidi iintsholongwane zahlukahlukene kakhulu. Ezi Cya ukuze ezinokususwa nezinto zokubhala, kufuneka ukuma nangomchako okanye inegciwane, filamentary, elimbhoxo. Xa prokaryotes abaninzi abaselula intonga-okwe, abathi ukwanda ubudala kwaye iyahluka ngenxa ukuqokelela izondlo kunye immobilization. Ngo wayo umjikelo wobomi ephilayo iya kwizigaba eziliqela, nto leyo kugwetywa inkangeleko yayo. Ekuqaleni le coli imilo, kwaye ngoko ke ebizwa ngokuba "izinti belted" (uye amabhanti kunye inclusions ngamanqatha) yaye ekugqibeleni bakteriod - iseli ezinkulu ezime okudodobalisa ezisisigxina.

iintsholongwane eziguqula ethile, umz. E., Bayakwazi ukuhlala kuphela iqela elithile okanye udidi lwesityalo. Le impahla ezincinane zemfuza kwakhiwa. Enye into ebalulekileyo impumelelo - ukukwazi ukuba yande nitrogen ngokwaneleyo ukuze host isityalo sabo. Lo mhlaba ayikho rhoqo kwaye ingahluka ngenxa iimeko zokusingqongileyo.

Malunga nendlela iintsholongwane eziguqula ngenisa ingcambu, akukho ukuvumelana, kunjalo, kukho iqela yeengcinga malunga indlela elalana yabo. Ngokomzekelo, ezinye iingcali zikholelwa ukuba prokaryotes ebiqaliswe kwi ingcambu ngokusebenzisa umonakalo layo izihlunu, ngoxa abanye bathi malunga ukungena ngenxa kweenwele ingcambu. Kukwakho hypothesis auxin - kwingcinga yokuba iiseli satellite, ezinceda iintsholongwane eziza kuqaliswa kuloo iiseli ingcambu.

Umzila efanayo kakhulu kwenzeka ngamanqanaba amabini: ekuqaleni - ukusulelwa lunwele iingcambu, uze emva koko - ukuyilwa maqhuqhuva. Ixesha le sigaba ezahlukeneyo kwaye kuxhomekeke kudidi lwesityalo.

Meaning of amagciwane ezinako ukulungisa initrogen, mkhulu ezolimo, t. K. Ezi eziphilayo sinako ukuphucula imveliso. Ukusuka kwezi Cya walungisa isichumiso ziibhakteriya, ezisetyenziswa ukuze imbewu nyango imidumba okhuthaza iingcambu ngokukhawuleza owosulelekileyo. Iintlobo ezahlukeneyo usapho papilionaceous ukufika nokuba kwimihlaba ihlwempu musa ifuna isichumiso nitrogen olongezelelweyo. Ngoko ke, 1 ngehektare yeembotyi "kwi" kunye rhizobia kulo nyaka liguqulelwe zibe kwimeko yento ka 100-400 kg ye-nitrogen.

Ngenxa yoko, iintsholongwane eziguqula - eziphilayo relationship, nto leyo ibaluleke kakhulu nje kuphela kubomi sesityalo, kodwa ke umjikelo nitrogen kwindalo.

Similar articles

 

 

 

 

Trending Now

 

 

 

 

Newest

Copyright © 2018 xh.atomiyme.com. Theme powered by WordPress.