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相关概念视频

Plant Breeding and Biotechnology01:59

Plant Breeding and Biotechnology

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Crop cultivation has a long history in human civilization, with records showing the cultivation of cereal plants beginning at around 8000 BC. This early plant breeding was developed primarily to provide a steady supply of food.
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Trihybrid Crosses02:27

Trihybrid Crosses

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Trihybrid Crosses
Some of Mendel’s crosses examined three pairs of contrasting characteristics. Such a cross is called a trihybrid cross. A trihybrid cross is a combination of three individual monohybrid crosses. For example, plant height (tall vs. short), seed shape (round vs. wrinkled), and seed color (yellow vs. green).
The F1 generation plants of a trihybrid cross are heterozygous for all three traits and produce eight gametes. Upon self-fertilization, these gametes have an equal...
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Multiple Regression01:25

Multiple Regression

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Multiple regression assesses a linear relationship between one response or dependent variable and two or more independent variables. It has many practical applications.
Farmers can use multiple regression to determine the crop yield based on more than one factor, such as water availability, fertilizer, soil properties, etc. Here, the crop yield is the response or dependent variable as it depends on the other independent variables. The analysis requires the construction of a scatter plot...
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Multiple Comparison Tests01:13

Multiple Comparison Tests

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Multiple comparison test, abbreviated as MCT, is a post hoc analysis generally performed after comparing multiple samples with one or more tests. An MCT will help identify a significantly different sample among multiple samples or a factor among multiple factors.
It would be easy to compare two samples using a significance alpha level of 0.05. In other words, there is only one sample pair to be compared. However, it would be difficult to identify a significantly different sample if the number...
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Monohybrid Crosses01:20

Monohybrid Crosses

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Overview
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Dihybrid Crosses01:18

Dihybrid Crosses

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相关实验视频

Updated: Jan 12, 2026

Scalable Transfection of Maize Mesophyll Protoplasts
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大BIT玉米实验:一个大型的多地点,多年,多测试者,多种群预测育种验证研究.

Michael Jines1, Michael Chandler2, Dean Podlich3

  • 1Seed Product Development, Corteva Agriscience, Johnston, Iowa, USA.

The plant genome
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概括
此摘要是机器生成的。

大繁殖创新团队 (Big BIT) 玉米实验验证了用于繁殖的基因组预测. 使用广域测试数据的早期遗传评估优化了玉米的杂交和品种发展.

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High-throughput, Microscale Protocol for the Analysis of Processing Parameters and Nutritional Qualities in Maize Zea mays L.
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High-throughput, Microscale Protocol for the Analysis of Processing Parameters and Nutritional Qualities in Maize Zea mays L.

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A Rapid and Efficient Method for Assessing Pathogenicity of Ustilago maydis on Maize and Teosinte Lines
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相关实验视频

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High-throughput, Microscale Protocol for the Analysis of Processing Parameters and Nutritional Qualities in Maize Zea mays L.
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A Rapid and Efficient Method for Assessing Pathogenicity of Ustilago maydis on Maize and Teosinte Lines
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科学领域:

  • 植物遗传学和育种.
  • 基因组预测 基因组预测
  • 玉米 (Zea mays L.) 是一种大豆.

背景情况:

  • 大品种创新团队 (Big BIT) 进行了一项大规模的玉米实验,以验证基因组数据信息的预测育种.
  • 这项研究涉及多个地点,多年,多个测试者和多个种群的F1玉米杂交的试验.

研究的目的:

  • 描述大BIT实验的设计和独特特征.
  • 讨论优化玉米预测育种策略的实际学习.

主要方法:

  • 利用多年实地数据的描述性总结统计数据.
  • 进行大规模的交叉验证,以评估预测能力.
  • 分析了个人和家庭的基因组估计繁殖值 (GEBV).

主要成果:

  • 为预测性育种策略提供了基于多年实地数据的证据.
  • 证明了用于早期遗传评估的广泛测试培训数据集的有效性.
  • 对于具有和没有表型记录的选择候选人的确定的发现.

结论:

  • 玉米改良的早期遗传评估应该利用来自广域测试数据集的GEBV.
  • 这种方法对于同系和品种发展是有效的.
  • 大BIT实验为植物育种者提供了有价值的见解,旨在优化预测育种.