1. Metabolic Enzyme/Protease
  2. Herbicide
  3. Pentoxazone

Pentoxazone 是一种原卟啉原 IX 氧化酶 (PPO) 抑制型除草剂 (herbicide)。Pentoxazone 可抑制叶绿素与血红素的合成,促使原卟啉原 IX 积累并发生氧化,还会产生单线态氧以氧化细胞膜并诱导细胞损伤。Pentoxazone 可抑制多种杂草的鲜重生长,且对杂草稻的活性较低。Pentoxazone 可用于直播稻田杂草防控的研究。

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Pentoxazone

Pentoxazone Chemical Structure

CAS No. : 110956-75-7

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  • 生物活性

  • 纯度 & 产品资料

  • 参考文献

生物活性

Pentoxazone is a protoporphyrinogen IX oxidase (PPO)-inhibiting herbicide. Pentoxazone inhibits chlorophyll and heme synthesis, drives protoporphyrinogen IX accumulation and oxidation, and generates singlet oxygen to oxidize cell membranes and induce cell damage.Pentoxazone suppresses fresh weight growth of multiple weed species and shows low activity against weedy rice. Pentoxazone can be used for the research of direct-seeding rice field weed management[1].

体外研究
(In Vitro)

Pentoxazone (225-450 g/hm2;处理后 21 天) 对直播稻田杂草具有广谱除草活性,在 225 g/hm2 剂量下对 5 种杂草的鲜重抑制率 >90%,在 450 g/hm2 剂量下对 7 种杂草的鲜重抑制率 >90%,而对 Oryza sativa f. spontanea 的活性较低[1]
Pentoxazone (60-600 g/hm2) 对稗草 (Echinochloa crus-galli)、马唐 (Digitaria sanguinalis)、鳢肠 (Eclipta prostrata) 和碎米莎草 (Cyperus iria) 具有高除草活性,其 GR50 值为 82.15 至 189.17 g/hm2,GR90 值为 158.60 至 513.01 g/hm2[1]
Pentoxazone (450-1800 g/hm2; 处理 4 次) 在剂量高达 1800 g/hm2 时对供试的 8 个主栽水稻品种安全,在最高测试剂量下的株高抑制率为 1.89%-5.16%,鲜重抑制率为 1.47%-4.14%[1]
Pentoxazone (0-2700 g/hm2) 在所测试的 4 个水稻品种与 4 种直播稻田杂草间具有良好的选择性,选择指数范围为 3.27 至 28.24,且相较于对照除草剂,其在水稻与鳢肠、碎米莎草之间表现出更优的选择性[1]

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

分子量

353.77

Formula

C17H17ClFNO4

CAS 号
中文名称

环戊恶草酮

运输条件

Room temperature in continental US; may vary elsewhere.

储存方式

Please store the product under the recommended conditions in the Certificate of Analysis.

纯度 & 产品资料
参考文献
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  • 稀释计算器

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    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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