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Proposed for presentation at the 2020 Virtual MRS Fall Meeting & Exhibit held November 27 - December 4, 2020.最新文献

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Effect of soil moisture stress at booting and flowering stages on pollen development, pollination and fertilization in upland NERICA cultivars 孕穗期和开花期土壤水分胁迫对陆地NERICA品种花粉发育、授粉和施肥的影响
Momoko Iwata-Higuchi, J. Sakagami, S. Maruyama
Spikelet sterility induced by soil moisture stress during reproductive development greatly limits grain yield in upland rice. This study aimed to elucidate differences in responses to soil moisture stress for pollen development, pollination and fertilization among upland rice cultivars. A greenhouse experiment with a split-plot design was performed for five different soil moisture treatments (T1 to T5) as the main plots and three cultivars (NERICA 1, NERICA 4 and Yumenohatamochi) as subplots, each with three replicates. Plants in pots were grown under well-watered condition (T1) and various moisture stress conditions: moderate at the booting stage (T2), severe at the booting stage (T3), moderate at the flowering stage (T4) or severe at the flowering stage (T5). During the 9-day stress period, soil moisture was maintained at -10 to -20 kPa for moderate moisture stress or -20 to -49 kPa for severe moisture stress under controlled irrigation. NERICA 1 had fewer differentiated microspores and developed pollen grains in T2 and T3 and showed poorer anther dehiscence and fewer pollen grains on the stigma than did NERICA 4 and Yumenohatamochi. NERICA 4 showed a lower percentage of basal dehiscence in T4 and T5, causing fewer pollen grains to be deposited on the stigma than for NERICA 1 and Yumenohatamochi. The results indicate that the highly sensitive process of fertilization are pollen development in NERICA 1 and pollination in NERICA 4 under soil moisture stress
旱稻生殖发育过程中土壤水分胁迫导致的小穗不育严重限制了水稻的产量。本研究旨在阐明不同旱稻品种对土壤水分胁迫对花粉发育、授粉和施肥的响应差异。以5个不同土壤湿度处理(T1 ~ T5)为主区,3个品种(NERICA 1、NERICA 4和yumenhatamochi)为次区,每个次区设3个重复。盆栽植株在充足水分条件(T1)和孕穗期中度水分胁迫(T2)、孕穗期重度水分胁迫(T3)、开花期中度水分胁迫(T4)和开花期重度水分胁迫(T5)条件下生长。在9 d胁迫期内,控制灌溉条件下,中度水分胁迫下土壤湿度维持在-10 ~ -20 kPa,重度水分胁迫下土壤湿度维持在-20 ~ -49 kPa。与NERICA 4和yumenhatamochi相比,NERICA 1在T2和T3阶段分化的小孢子和花粉粒较少,花药开裂较差,柱头上的花粉粒较少。与NERICA 1和yumenhatamochi相比,NERICA 4在T4和T5的基部开裂率较低,导致花粉粒沉积在柱头上。结果表明,土壤水分胁迫下,NERICA 1号植株的花粉发育和NERICA 4号植株的授粉过程最为敏感
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引用次数: 2
All change, all change 都变了,都变了
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引用次数: 0
Geological appropriation? 地质拨款?
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引用次数: 0
The myth of utopia 乌托邦的神话
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引用次数: 1
Mission to Mars 火星任务
Allan T. Grzywacz
Book file PDF easily for everyone and every device. You can download and read online Mission to Mars file PDF Book only if you are registered here. And also you can download or read online all Book PDF file that related with Mission to Mars book. Happy reading Mission to Mars Bookeveryone. Download file Free Book PDF Mission to Mars at Complete PDF Library. This Book have some digital formats such us :paperbook, ebook, kindle, epub, fb2 and another formats. Here is The Complete PDF Book Library. It's free to register here to get Book file PDF Mission to Mars.
图书文件PDF容易为每个人,每个设备。只有在这里注册,您才能在线下载并阅读火星任务文件PDF书。你也可以下载或在线阅读所有与火星任务相关的PDF文件。大家阅读《火星任务》快乐。下载文件免费图书PDF任务到火星在完整的PDF图书馆。这本书有一些数字格式,如:纸质书,电子书,kindle, epub, fb2和其他格式。这里是完整的PDF图书库。在这里注册可以免费获得图书文件PDF格式的火星任务。
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引用次数: 1
From wet planet to red planet 从潮湿的星球到红色的星球
{"title":"From wet planet to red planet","authors":"","doi":"10.1144/geosci2020-121","DOIUrl":"https://doi.org/10.1144/geosci2020-121","url":null,"abstract":"","PeriodicalId":20643,"journal":{"name":"Proposed for presentation at the 2020 Virtual MRS Fall Meeting & Exhibit held November 27 - December 4, 2020.","volume":"179 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76946443","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
All I want for Christmas 我想要的圣诞礼物
F. Woodruff
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引用次数: 0
Visualising another world 想象另一个世界
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引用次数: 2
Alternative battery Failure Initiation. 备用电池故障启动。
J. Lamb, L. Torres-Castro, C. Grosso, L. Gray
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引用次数: 0
Designing high entropy oxides (HEOs) as effective catalysts for pollution abatement. 设计高熵氧化物(HEOs)作为污染减排的有效催化剂。
Christopher Riley, A. Datye, Stanley Chou
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引用次数: 0
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Proposed for presentation at the 2020 Virtual MRS Fall Meeting & Exhibit held November 27 - December 4, 2020.
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