changlanish xillari va ahamiyati
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1426240340_60594.ppt слайд 1 changlanish xillari va ahamiyati reja 1. changlanish – otalanish haqida umumiy tushuncha. 2. gullarning hashoratlar yordamida changlanishi. 3. gullarning shamol yordamida changlanishi. 4. gullarning o’z-o’zidan changlanishi. 5. sun’iy changlanish. www.arxiv.uz www.arxiv.uz 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. www.arxiv.uz www.arxiv.uz 1) avtogamiya - urug`chining tumshuqchasiga shu gulning changdonidan chiqqan chang tushadi. bunday changlanish asosan 2 jinsli gullarida o`tadi. 2) geytenogamiya - bir o`simlik individuli o`rtasida bo`...
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