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malingdi木蟲 (著名寫手)
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[求助]
重金求助摘要快速翻譯
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| 摘 要: 本研究以小麥為實(shí)驗(yàn)材料,通過測定胚芽相對伸長速率(Relative Elongation Rate, RER)和胚芽胚根的長度、鮮重、干重等生理指標(biāo)及滲透調(diào)節(jié)有機(jī)物質(zhì)脯氨酸、可溶性糖的含量,分析BCD(Brown Coal Distillate, BCD)處理對小麥種子萌發(fā)的影響。結(jié)果表明,在非鹽脅迫下,BCD處理相較于空白對照(Control Check 1, CK1)處理,10‰為最佳濃度,胚芽和胚根的長度、胚芽脯氨酸含量升高顯著(P<0.05),其它生理指標(biāo)有所升高,而在20‰BCD處理下則有所降低;在鹽脅迫下,BCD處理相較于模型對照(Control Check 2, CK2)處理,40‰為最佳濃度,芽長和胚芽脯氨酸含量變化顯著(P<0.05),胚芽可溶性糖含量有所降低,其它生理指標(biāo)有所升高,而在50‰BCD處理下則相反。因此,適宜濃度的BCD能促進(jìn)非鹽脅迫下小麥種子的萌發(fā)并且能緩解鹽脅迫下種子受到的萌發(fā)抑制作用。 |

木蟲 (著名寫手)

木蟲 (小有名氣)
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Abstract: Triticum aestivumLinn was used as experimental material in this study, by determining relative elongation rate of embryo, and the physiological indexes such as length, fresh weight and dry weight of radicle and embryo, and the content of osmotic adjustment organic substances - proline, soluble sugar. The influence that brown coal distillate treatment to the germination of Triticum aestivumLinn seeds was analyzed. The results showed that, under the non-salt stress, brown coal distillate treatment compared to control check 1 treatment, optimal concentration was 10‰ . The length of radicle and embryo, the content of proline in the embryo increased significantly (P<0.05), and the other physiological indexes was also raised, however, the numerical value was reduced when the concentration was 20‰. Under the salt stress, brown coal distillate treatment compared to control check 2 treatment, optimal concentration was 40‰, the length of bud and the content of proline in the embryo increased significantly (P<0.05), the content of soluble sugar in the embryo was lower, while the other physiological indexes was raised, nevertheless it was adverse under brown coal distillate treatment when the concentration was 50‰. Therefore, suitable concentration of BCD could promote the germination of Triticum aestivumLinn seeds under non-salt stress, and it also could anesis the inhibiting effect of seeds when its germinated under salt stress. |
木蟲 (著名寫手)

木蟲 (小有名氣)
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