相关实验视频

Updated: Jun 11, 2025

Agrobacterium-Mediated Immature Embryo Transformation of Recalcitrant Maize Inbred Lines Using Morphogenic Genes
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Agrobacterium-Mediated Immature Embryo Transformation of Recalcitrant Maize Inbred Lines Using Morphogenic Genes

Published on: February 14, 2020

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在低和高输入条件下,将商业玉米杂交品种的农学特征的能力结合起来,以发展育种种群为目标

Luiz Silva Luz1, Helber Moreira Dos Reis1, Noé Mitterhofer Eiterer Ponce de Leon da Costa1

  • 1Department of Agronomy, Universidade Federal de Viçosa, Viçosa, Minas Gerais, Brazil.

PloS one
|October 7, 2024
PubMed
概括

巴西的玉米育种使用商业杂交. 这项研究评估了在不同含量下混合组合的能力,确定了开发改善玉米品种的关键亲系,以适应最佳条件和压力条件.

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相关概念视频

Plant Breeding and Biotechnology01:59

Plant Breeding and Biotechnology

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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Dihybrid Crosses01:18

Dihybrid Crosses

Overview
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Trihybrid Crosses02:27

Trihybrid Crosses

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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Monohybrid Crosses01:20

Monohybrid Crosses

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Chi-square Analysis02:46

Chi-square Analysis

The chi-square test is a statistical hypothesis test. It is used to check whether there is a significant difference between an expected value and an observed value. In the context of genetics, it enables us to either accept or reject a hypothesis, based on how much the observed values deviate from the expected values.
The chi-square test was developed by Pearson in 1990.
The first step of performing a Chi-square analysis is to establish a null hypothesis, which assumes that there is no real...
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Light Acquisition02:16

Light Acquisition

In order to produce glucose, plants need to capture sufficient light energy. Many modern plants have evolved leaves specialized for light acquisition. Leaves can be only millimeters in width or tens of meters wide, depending on the environment. Due to competition for sunlight, evolution has driven the evolution of increasingly larger leaves and taller plants, to avoid shading by their neighbors with contaminant elaboration of root architecture and mechanisms to transport water and nutrients.
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