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		铵态氮素促进甘薯块根形成的解剖特征及其IbEXP1基因的表达
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			Anatomy characteristics and IbEXP1 gene expression of tuberization under ammonia nitrogen treatment in sweet potato
			 
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		 图3. 秧苗栽后14 d甘薯S19幼根切片番红-固绿染色、间苯三酚染色和高碘酸希夫染色的横切面图(2015)  | 
	
Fig. 3. Histological observation of conventional paraffin sections of adventitious root on the 14th day after planting stained by safranine and fast green, phloroglucinol and periodic acid-Schiff in 2015  | 
	
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