Study on the physiological biochemistry of pre-harvest sprouting and scanning electron microscopy of glume in rice
Scanning electron microscopy of easy or uneasy-germinated glumes, determining the contents of endogenous hormones and the activity of α- amylase were studied from at 1-4 d pre-harvest sprouting rice. The results showed that the activity of α-amylase and the contents of IAA, GA1+3 and ZR were higher...
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Published in | Hunan agricultural science & technology newsletter : HASTN Vol. 9; no. 1 |
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Main Authors | , |
Format | Journal Article |
Language | Chinese |
Published |
01.02.2008
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Abstract | Scanning electron microscopy of easy or uneasy-germinated glumes, determining the contents of endogenous hormones and the activity of α- amylase were studied from at 1-4 d pre-harvest sprouting rice. The results showed that the activity of α-amylase and the contents of IAA, GA1+3 and ZR were higher in easy-germinated rice than those in the uneasy-germinated rice, while ABA content in easy-germinated rice was lower than that in uneasy-germinated rice. The change of GA1+3/ABA rate accorded with that of GA1+3. Scanning electron microscopy showed that the cell surface of glume was loose arranged with more villus and bigger hole and germinal aperture, which had lesser mechanism resistance and better water absorptivity in easy-germinated rice. This research also indicated that pre-harvest sprouting in rice related to α-amylase activity, endogenous hormone contents and glume structure. |
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AbstractList | Scanning electron microscopy of easy or uneasy-germinated glumes, determining the contents of endogenous hormones and the activity of α- amylase were studied from at 1-4 d pre-harvest sprouting rice. The results showed that the activity of α-amylase and the contents of IAA, GA1+3 and ZR were higher in easy-germinated rice than those in the uneasy-germinated rice, while ABA content in easy-germinated rice was lower than that in uneasy-germinated rice. The change of GA1+3/ABA rate accorded with that of GA1+3. Scanning electron microscopy showed that the cell surface of glume was loose arranged with more villus and bigger hole and germinal aperture, which had lesser mechanism resistance and better water absorptivity in easy-germinated rice. This research also indicated that pre-harvest sprouting in rice related to α-amylase activity, endogenous hormone contents and glume structure. |
Author | Chen Wei Cai Jianxiu |
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DocumentTitleAlternate | 水稻穗上发芽生理生化及颖壳扫描电镜观察 |
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Title | Study on the physiological biochemistry of pre-harvest sprouting and scanning electron microscopy of glume in rice |
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