changlanish va otalanish. meva, to`p meva va urug`
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1363784420_42601.doc www.arxiv.uz reja: 1. changlanish va otalanish xaqida tushuncha. 2. o`z-o`zidan va chetdan changlanish. 3. mikrosporogenez va makrosporagenez taraqqiy etishi va rivojlanishi. 4. urug`lanish. 5. gulli yoki yopiq urug`li o`simliklar. 6. yopiq urug`li o`simliklar urug` kurtagining tuzilishi 7. yopiq urug`li o`simliklarning qo`shaloq otalanishi. 8. meva xosil bo`lishi. 9. oddiy meva va murakkab meva. 10. to`p meva. 11. urug`. 12. urug`larni tuzilishi va tiplari. changlanish- otalanish changning otalanish changdonidan onalik og`izchasiga kelib tushishi changlanish deyiladi. changlanishi 2 xil bo`ladi: 1. o`zidan changlanish-avtogamiya 2. chetdan changlanish-ksenogamiya 3. o`z-o`zidan changlanish. bu jarayon quyidagicha kechadi. 1) avtogamiya - urug`chining tumshuqchasiga sh...
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