Sporalar (Yun. spora \u2014 sochish, sepish, ekish, urug’) \u2014 1) zamburug’lar va o’simliklarda ko’payish uchun xizmat qiladigan maxsus hujayra. Zamburug’lar va tuban o’simliklarda mitoz (mitospo- ralar), yuksak o’simliklarda meyoz (Mei- osporalar) bo’linish natijasida vujud- ga keladi. Hosil bo’ladigan joyiga bi- noan, S. endosporalar va ekzosporalarga ajratiladi. Tuban suv o’simliklari S.i (zoosporalar)ning harakatlanish orga- ni \u2014 xivchinlari bo’ladi. Qurukdikda o’sadigan yuksak o’simliklarda S. XIV- chinsiz; qattiq qobiq bilan o’ralgan; sha- mol yordamida tarqaladi. S. o’lchami 3-5 mkm dan 25-50 mkm, ba’zan 200 mkm gacha (ipsimon suvo’tlar). S. oval, tsilindrsi- mon, sharsimon, ipsimon va b. shaklda; sirti g’adirbudur, har xil o’simtalari bo’ladi. Sirti qobiq bilan o’ralgan S. 10 kundan 3-5 yilgacha, ba’zan 25 yil- gacha (qorakuya) hayotiy xususiyatlarini yo’qotmaydi. Ayrim zamburug’lar 1 sutka davomida 30 mln. spora hosil qiladi. Bug’doy doni- da 8 mln.dan 20 mln.gacha, bitta boshog’ida 200 mln.gacha spora hosil bo’ladi. PLA- unlar S.i dan tibbiyot, metall quyish, tog’jinslari yoshini anikdashda foy- dalaniladi; 2) bir hujayrali parazit hayvonlarda qalin pust bilan qoplangan bir yoki ko’p hujayrali Hosila. Tarqalish va noqulay sharoitdan himoya kilish va- zifasini bajaradi; 3) bakteriyalar va arxeobakteriyalarda tinch holatdagi re- produktiv hujayra. Hayot tsikli oxiri- da vujudga keladi. Ko’payish va noqulay sharoitdan himoya qilish vazifasini ba- jaradi. Ona hujayra ichida (endospora) bittadan hosil bo’ladi. Yuqori harorat, suvsizlik, radiasiya, erituvchilar va b. noqulay sharoitlarga chidamli. S. qulay muhitga tushganida ko’karib chiqib, yangi vegetativ xujayra hosil qiladi.<\/p>\n","protected":false},"excerpt":{"rendered":"
Sporalar (Yun. spora \u2014 sochish, sepish, ekish, urug’) \u2014 1) zamburug’lar va o’simliklarda ko’payish uchun xizmat qiladigan maxsus hujayra. Zamburug’lar va tuban o’simliklarda mitoz (mitospo- ralar), yuksak o’simliklarda meyoz (Mei- … Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":99837,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[206],"tags":[],"class_list":["post-126289","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-s-harfi","entry"],"translation":{"provider":"WPGlobus","version":"3.0.2","language":"kr","enabled_languages":["uz","kr","ru"],"languages":{"uz":{"title":true,"content":true,"excerpt":false},"kr":{"title":false,"content":false,"excerpt":false},"ru":{"title":false,"content":false,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/milliycha.uz\/kr\/wp-json\/wp\/v2\/posts\/126289","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/milliycha.uz\/kr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/milliycha.uz\/kr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/milliycha.uz\/kr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/milliycha.uz\/kr\/wp-json\/wp\/v2\/comments?post=126289"}],"version-history":[{"count":1,"href":"https:\/\/milliycha.uz\/kr\/wp-json\/wp\/v2\/posts\/126289\/revisions"}],"predecessor-version":[{"id":126298,"href":"https:\/\/milliycha.uz\/kr\/wp-json\/wp\/v2\/posts\/126289\/revisions\/126298"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/milliycha.uz\/kr\/wp-json\/wp\/v2\/media\/99837"}],"wp:attachment":[{"href":"https:\/\/milliycha.uz\/kr\/wp-json\/wp\/v2\/media?parent=126289"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/milliycha.uz\/kr\/wp-json\/wp\/v2\/categories?post=126289"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/milliycha.uz\/kr\/wp-json\/wp\/v2\/tags?post=126289"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}