FormationSayniska

Waa maxay sababta Beelaha interspecific dhalmo la'aan? Tusaale ahaan Beelaha interspecific

Tan iyo markii aan wakhtiyadii hore u, dadka la yaabtaan ee quruxda iyo kala duwanaanta dhirta ku wareegsan, gaar ahaan ubax. Waxa ay dhadhan iyo danqasho ee da 'walba leh ayaa shakhsiyaynta jacaylka, adigoo daahir ah, hadal of dareenkooda. Tartiib tartiib, ninkii ogaaday in uu ma ahan oo keliya ku raaxaysan karaan noocyada horey u sii jiray oo ka mid ah xayawaan qurux badan, laakiin sidoo kale in ay ka qayb ay formation qaado. Sayidka bilaabay xilligii of taranta dhirta, taasoo keentay in wax soo saarka ee noocyada cusub muuqaalada kale oo muhiim ah oo muhiim ah in noocyo iyo phenotypes. Laba sayniska, ayaa ka wada shaqeynaya on arrintan, maamulo ilaa hadda si loo gaaro natiijada cajiib ah - waa genetics iyo cilmi barasho dhir.

shayga waxbarasho ee cilmi barasho dhir

Cilmi barasho dhir - saynis ah in daraasad wax walba oo ku saabsan dhirta. Taasi waa, ay:

  • fataahadda;
  • genetics;
  • jirka,
  • anatomy,
  • systematics.

anshaxa wuxuu daboolaa dhammaan dhinacyada nolosha ee flora, tan iyo geeddi socodka gudaha ee Neefta, photosynthesis iyo taranka, iyo soo afjaridda kala duwan dibadda ee sifooyin phenotypic.

Tani waa mid ka mid ah cilmiga ugu da'da weyn, kaas oo u muuqday leh horumarinta nin. Koraaya xiisaha xayawaan oo ku wareegsan, sidaas qurxinta degaanka ku hareereysan, waxa uu ahaa qof mar kasta. Waxaa intaa dheer, marka lagu daro quruxdiisa, waxa uu had iyo jeer waxa ay il awood badan oo cunto ah, maaddooyinka, daawooyinka, wax dhismaha. Sidaa darteed cilmi barasho dhir - waa waxbarasho oo ka mid ah noolaha ugu qadiimiga ah, muhiim ah, kala duwan oo adag on dhulkeenna - dhirta.

warshad taranta

Iyada oo dhererka waqtiga iyo raasamaal ee aqoon ku saabsan qaabka ka mid ah kuwan xayawaan gudaha, oo ay maraan jidkii nolosha iyo geedi socodka ka dhaca iyaga oo ku, waxay noqotay la heli karo iyo fahamkooda sida loo xukumid ay koritaanka iyo horumarka. genetics sayniska dardar ururiyey, kaas oo u ogolaanaya waxbarasho koromosoomyada alaab kala duwan si ay u soo gudbaan kasta oo kale, helitaanka natiijada wanaagsan iyo kuwa xun, dooran faa'iido ah oo lagama maarmaan ah. Tani waxaa loo sameeyey mahad suurto gal ah in daahfurka soo socda.

  1. bacrinta Double in dhirta.
  2. Furitaanka habka maytosis iyo meiosis.
  3. Horumarinta ee farsamooyinka cross-taranta.
  4. Heterosis, inbreeding iyo outbreeding.
  5. Deciphering code hidaha ee dhirta.
  6. waxbarashada Biomolecular ee halabuurka ah ee unugyada iyo unugyada.
  7. Daahfurtay berrinkii Cytology iyo histology.

Dabcan, ma ahan dhiran oo dhan, taas oo u adeegi jireen sida bilowgii dhaqdhaqaaq xoog badan iyo horumarinta hababka taranta shaqeeyaan on dhirta.

Hybridization iyo dabeecadihiisa

magaca kale ee geedi socodka of isgoyska - hybridization. Habka isticmaalka this ifafaale waxaa lagu magacaabaa hybridological. Ugu horeysay dalbatay tijaabo, uu Gregor Mendel. Uu tijaabo caanka on digir walba oo dhigta dugsiga ogyahay.

nuxurka geedi socodka oo dhan waxa loo gudbay u dhexeeya a foomamka waalidka in ay soo saaraan wax Ishu ku heterozygous ku salaysan taas oo loogu yeedhi doonaa hybridomas. In weheshiga ruux this nooc horumarsan oo kala duwan. Waxaa loo soo xulay oo ku salaysan sifooyinka gaarka ah ee kala duwan, noocyada ama panulirus. Guud ahaan, waxaa jira laba nooc oo waaweyn oo geedi socodka sida.

  1. Outbreeding, ama outbreeding. Waxa ay tilmaamaysaa in foomamka waalidka hore ma nihin kuwa la mid ah noocyada, panulirus ama kala duwan. Taasi ma aha in la qabto wax ehelnimo. isgoyska Tani waa mid ka mid ah kuwa ugu caansan iyo inta badan keenta in heterosis in taranta ee khadadka saafi ah.
  2. Inbreeding ama inbreeding - hybridization noocyada ka tirsan noocyada la mid ah ama panulirus, fasalka si dhow ula xiriira. Habkani waxaa loo isticmaalaa si loo sugo dadka wax calaamado waxtar leh, oo ay ku jiraan phenotypic. Marka si fiican loo fuliyay inbreeding soo noqnoqda heli kartaa khadadka warshad genetics saafi ah.

Noocyadan rimay leeyihiin gudaha noocyo more dhuuban. Tusaale ahaan, mid ka mid ah foomka of outbreeding tixgeliyo crossbreeding - hybridization u dhexeeya kala duwan.

Waxa intaa dheer in noocyada dadka, waxaa jira noocyo kala duwan oo, iskutallaabtiisana. Waxay ahaayeen ku tilmaamay si faahfaahsan iyo bartay xataa Mendel, Morgan Thomas iyo geneticists kale ee la soo dhaafay qarniyo.

noocyada interbreeding

Aqoonso dhawr nooc aasaasiga ah ee shakhsiyaadka hybridization.

  1. Monohybrid ama fudud. Qaadanay muuqaalo weheshiga waalidka si ay u sameeyaan Farac marka hore waxaa lagu fuliyaa mar.
  2. Laba-hybrid - qaaday saldhig waalidiinta ku kala duwan yihiin laba lammaane oo calaamadaha.
  3. Ku noqo - dhexjir ah jiilka koowaad, iskutallaabtiisana ha la shaqsiyaadka waalidka ee asalka ah.
  4. Poligibridnoe, ama double - jiilka koowaad ee shakhsiyaadka sii wadaan in ay hybridize kasta oo kale, iyo daba-leh noocyo kale oo noocyada.

All beeraha noocyada calaamadeeyay leeyihiin qiimo xaalad kasta oo gaar ah. Taasi waa, waayo dhirta qaar ka mid ah isgoysyada fudud halkii si aad u hesho natiijo la doonayo. Laakiin qaar kale waxay u baahan adag hybridisation poligibridnaya joojinayaa ah si aad u hesho sifo la doonayo, oo waxay ka aamin yihiin dadwaynaha kale.

Beelaha of jiilal kala duwan

Sidaas darteed, weheshiga ruux kasta ama haddii kale la aasaasay farcankiis. Sifooyin in ay qaadeen waalidku ay awoodaan in ay is ahaantii isu muujiyay in heerar kala duwan.

Sayidka, muuqaalada ka mid ah Beelaha jiilka kowaad phenotypically had iyo labis, sida ku cad sharciga Mendel (marka hore) iyo tijaabooyinka uu on digir. Sidaas daraaddeed marar badan si aad u hesho natiijo isku mid ah in aad rabto oo dhan hal mar, waxaa isticmaali monohybrid nooca hybridization.

Dheeraad ah, oo dhan soo xareeyaan xiga horay isu geeyo guryaha, sidaa darteed waxaa jirta qaybsama ee saamiyada qaar. recessives Cad faragelin geedi socodka mutational. Sidaa darteed, waxa ugu muhiimsan in hawlaha warshadaha aadanaha, ay beeraha, waa ugu horeysay si aad u hesho dhirta qarnigan.

Tusaale ahaan caadi ahaan: haddii ujeedadu tahay in la helo yaanyada jaalaha ah oo keliya oo sabab u ah muddo xilliyeed, iskutallaabta waa in ay huruud ah iyo kuwo gaduud ah oo cas yaanyo, laakiin waa in la helaa hore waalidka huruud ah. Xaaladdan oo kale, qarnigan ugu horeysay sida xaqiiqada ah waxay noqon doontaa uniform - miraha hurdiga ah ee yaanyo.

Beelaha Interspecific: caan

Beelaha Interspecific waa kuwa la helay outbreeding ama isgoyska fog. Taasi waa natiijada weheshiga shakhsiyaad ka tirsan noocyada kala duwan, si ay u helaan cusub oo leh sifooyin loo dejiyay iyo guryaha.

Sidaas, dadka in industry ee, dhirta badan oo muhiim ah beeraha iyo ornamental ayaa la helay, iyo in doorashada ee xayawaanka la rijeynaya in noocyada badan ee cusub ee xayawaanka.

Tusaalooyinka noolaha sida

Tusaalooyinka Beelaha interspecific ka mid ah dhirta,

  • zernokormovaya sarreen,
  • triticale - sarreen iyo galley,
  • Rye-qaabeeya wheatgrass;
  • sarreen-elimusnye;
  • dhowr nooc oo tubaakada iyo kuwo kale.

Haddii aan ka hadlo xoolaha, sida wakiillo badan tixraacaan kartaa sida tusaale:

  • baqlahooduna (faras iyo dameer);
  • liger - libaax iyo tigress ah;
  • rackelhahn - grouse madow iyo capercaillie, iyo kuwa kale.

Dhibaatada ugu weyn ee hybridizations sida in farcankaaga ama Nadiif ah ama aan macne. Taasi waa sababta dadka ku abuuray iyo in la horumariyo badan oo ka mid ah hababka in ay ka gudbaan arrimahaasi waxay. Ka dib oo dhan, haddii natiijada la doonayo waa la helay, waxa aad u muhiim ma ahan oo keliya inaan ku saxno, laakiin sidoo kale inay soo bandhigto in la helo noolaha sida.

Waa maxay sababta Beelaha interspecific dhalmo la'aan?

Sababaha dhibaatooyinkan waxaa ay salka ku hayaan geedi socodkii meiosis iyo maytosis, kuwaas oo in anaphase marka koromosoomyada kala diraan si ay u ulo ka gacanta. Halkaa marka ay marayso, mid kasta oo iyaga ka mid ah oo raadinaya in ay labada nin homologous. Tan iyo markii la xirrira koromosoom oo dhan iyo chromatid yeesho karyotype caadiga ah ee u shaqeeyo ah.

Laakiin dadka qaba isuga ka foomamka waalidka kala duwan ka socda, waxaa macquul ah shirka dhismayaasha sida waa ay yar tahay ama aan macquul ahayn. Taasi waa sababta ay jirto isku-dar ah random jilayaasha iyo sida a shaqsiyaadka natiijada noqday oo Nadiif ah ama aan macne. In uu yahay, hiddo-ka, dhab ahaantii, u noqdaan is gayin.

Haddii aynu eegno heerka kelli iyo si aad u ogaato waxa sabab u ah ma dhalaysnimo ee Beelaha interspecific, jawaabta waa in ay tahay qaybaha leheyn ee DNA laga xuduntii unugyada iyo mitochondria. Sidaas darteed, waxaa jira conjugation ma koromosoom oo ku jira geedi socodka meiotic.

Tani waxay keenaysaa in natiijooyin masiibo ah in taranta dhirta, iyo isgoyska iyo taranta noocyada iyo noocyada cusub. Gaar ahaan inta badan ay dhacdo in flora ah. Sidaa darteed, aad u hesho goosashada ka mid ah dhirta hybrid waxaa suurtagal ah hal mar oo keliya, taas oo ah mid aad u xanibayo horumarinta beeraha.

Marka u caddaatay in saynisyahano, sababta ma dhalaysnimo ee Beelaha interspecific, shaqada firfircoon si aad u ogaato siyaabaha wax looga qabto sababaha kuwan. Tani waxay keentay in abuurista siyaabo dhowr ah si loo baabi'iyo shaqsiyaadka dhalaysnimo.

Siyaabaha ee dhalmo la'aan looga gudbo

Jidka ugu muhiimsan ee ah in doortay si wax looga qabto dhibaatooyinka biology, sida soo socota. In talaabo koromosoom meiotic fido markii ulaha gacanta, waxaa la geliyo walax gaar ah - colchicine. Waxay kor u kala diridda dunmiiqa filaments (dhexda cell). Sidaas darteed dhammaan koromosoomyada weli ku jira gacanta isla, halkii ay ku dhicin kala duwan. Sidaa darteed conjugation free Hadda heli karaa inta u dhaxaysa laba laba homologous, iyo, waa habka caadiga ah ee meiosis mustaqbalka.

Sayidka, farcankaaga bacrin noqdo oran fudud iyo fruiting ee iskutallaabtiisana ha la qaabab kala duwan. Inta badan, habkan loo isticmaalo waa in taranta geedka, ayaa wuxuu u bixiyey polyploidy. Waxaa markii hore laga codsadaa in ay saynisyahano Karpechenkovym our. Sidaas daraaddeed wuu helay kaabash ugu horeysay bacrin ah hybrid iyo dabocase.

Waa maxay sababta ma dhalaysnimo ee Beelaha interspecific, aynu hore u helay. Ogaanshaha nooca dhibaatada, waxa suurto gal ahayd in la abuuro laba siyaabood ka badan u xaliyo.

  1. Geedaha pollinated leh manka ka waalid keli ah. Habka Tani waxay u ogolaaneysaa ka ab dhowr ah oo ay shakhsiyaad hybrid, bacrin ah. Laakiin markaas si kastaba saxiixa celinta, iyo shakhsiyaadka mar kale noqday oo Nadiif ah.
  2. Pollination of Beelaha ee jiilka kowaad ee waalidka manka.

Waqtigan xaadirka ah, habab badan oo halgan aan la abuuray, laakiin shaqada jihada this la fuliyaa.

Fiiriya ubaxyada iyo Beelaha ay

Astaanta khayroon daahirnimo iyo daahirsanaanta, ubaxyadii of murug iyo caloolxumo ee tegey, wakiillo ka tur iyo khiyaano ah ubaxa - ekaayeen ubax. dhirta, kuwaas oo lagu qiimeeyo nin qarniyo fara badan oo isku xigta. Inta lagu jiro wakhtigan, kaliya kala duwan oo qaar ka mid ah aan la aasaasay! Dabcan, interbreeding ku taabtay, sidoo kale.

Natiijada waxa ay aheyd tirtiridda sagaal kooxood oo kala duwan kuwaas oo hybrid dhacdhaco beauty of sifooyin phenotypic! iyaga ka mid ah meel gaarka ah ayaa waxaa kujira laba ka mid ah wakiil ugu aan caadi ahayn oo caan ah:

  • Beelaha Oriental;
  • Lily Axdiga-Beelaha.

Ka fiirso muuqaalada labada kooxood oo ay siiyaan sharaxaad.

Beelaha Oriental

Waxaa ugu weyn ee ubaxa hybrid soo baxaya. Ay bayoolaji kama duwana in ka mid ah xubnaha kale. Cabirka koob oo sii kordhaya ay gaari karaan 31 cm dhexroor, iyo midab ah waa ka duwan yahay. kala duwan oo aad u qurux badan oo ah Nippon, taas oo uu leeyahay ubax cad oo la goo casaan waaweyn. Tent ayaa crimped.

data height Plant kala duwan ilaa 1.2 m. Tani waxay u ogolaaneysaa iyaga dhulkii fogaan ah 20-25 cm midba midka kale ka iyo foomka xigtaa ah ubaxu qurux badan. Dhammaan xubnaha kooxdan exude dhadhan aad u xoog badan.

Orienpity

Tani waa soo gaabiyay Beelaha RT-u ekaayeen ubax, taas oo la aasaasay by magaca oo buuxa: qaabka bariga-embriyaha. Waxaa sidoo kale loo yaqaan dhirta ubaxa oo loogu talogalay xaddi aad u sarreeya oo dhirta iyo ubaxa weyn. In mid ka mid stem 2.5 mitir ee height la abuuri laga yaabaa in ka badan 25 (30 cm) ubax aad u udgoon iyo dhalaalaysa.

Tani waxay u ogolaaneysaa kooxdan oo ah Beelaha in ay ka mid beeralayda aad loo jecel yahay, inkastoo qof walba ma awoodi karo in ay ku taranto. Waxay qaadataa daryeelka aad u wanaagsan oo soo degtey saxda ah oo aan sida aan dago karo oo ay soo saaraan farcankaaga.

Gabbaldayaha iyo Beelaha ay

Beelaha gabbaldayaha ku kala duwan yihiin marka la eego abuur koriinkedu. Sidaas darteed, in la sii daayo,

  • fulan (90 maalmood gudahood);
  • hore-bislaada (ilaa 100 maalmood);
  • Waa dhexe (ilaa 110 maalmood).

abuurka hybrid sidoo kale bixin aan qummanaynu. content Oil iyo dhalid waa ka duwan yahay oo ay ku xiran tahay waqtiga ee koriinkedu. The dheer geedka ee dhulka, sare ee tayada ee dalagga. Waxaa jira dhowr ugu badan ee dunida ka mid ah Beelaha geedka this, ugu dalbaday in beeraha.

  1. Tunka.
  2. Bosphoru.
  3. Rocky.
  4. PR64A15.
  5. Jason.
  6. Forward.

Ka mid ah faa'iidooyinka ay ugu muhiimsan:

  • dulqaad abaarta,
  • cudurada iyo cayayaanka,
  • soosaarkooda dalagga,
  • abuur tayo sare leh;
  • fruiting wanaagsan.

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