玉米基因型,率和来源对产量的影响,营养状况,以及烟素的发生率
F C Santos1, J E F Figueiredo2, R B Pinheiro3
1Embrapa Milho e Sorgo, Laboratório de Fertilidade de Solos, Sete Lagoas, MG, Brasil.
Brazilian journal of biology = Revista brasleira de biologia
|November 16, 2023
概括
选择特定的玉米杂交品种显著影响谷物的富蒙尼辛水平,提供一种管理菌毒素污染的策略. 基因型选择对于降低玉米中的烟素至关重要,比应用方法更重要.
科学领域:
- 农业学是一种农业学.
- 植物科学 植物科学
- 食品安全 食品安全
背景情况:
- 玉米 (Zea mays L.) 是一个重要的全球作物,容易受到富蒙尼辛污染,这对健康构成风险.
- (N) 管理和基因型选择是影响作物产量和质量的关键因素.
- 了解应用和基因型之间的相互作用对于优化玉米生产和安全至关重要.
研究的目的:
- 评估不同剂量和源对玉米产量,营养状况和谷物胺度的影响.
- 评估不同玉米基因型对这些农学和食品安全参数的影响.
- 通过基因型选择和管理来确定管理玉米中富蒙尼辛水平的最佳策略.
主要方法:
- 实地实验在多个地点和多年进行,使用四次复制的分割图案设计.
- 实验1:在两种基因型中研究了用尿素作为N源的四种剂量 (0-240公斤/ha-1).
- 实验2:检查了四个源 (尿素,聚合物涂层尿素,酸,UAN) 在两个基因型的160公斤/ha-1上.
主要成果:
- 玉米的基因型显著影响了产量,主要是由于AG7098 PRO2和AG8677 PRO2对玉米特技等疾病的耐受性.
- 剂量线性地增加了叶子中的含量,但来源没有显著影响它.
- 富蒙尼辛水平主要取决于基因型,一些杂交品超过了监管限制;AG7098 PRO2表现出高产量,但富蒙尼辛水平始终低.
结论:
- 基因型选择是缓解玉米粒中富蒙尼辛污染的关键策略.
- 一些混合物,如AG7098 PRO2,为实现高产量提供了有希望的解决方案,同时保持着低于安全值的fumonisin水平.
- 与玉米杂交的固有遗传特征相比,管理实践对富蒙尼辛度的影响较小.
更多相关视频
09:21Inhibition of Aspergillus flavus Growth and Aflatoxin Production in Transgenic Maize Expressing the α-amylase Inhibitor from Lablab purpureus L.
Published on: February 15, 2019
10.6K
05:55High-throughput, Microscale Protocol for the Analysis of Processing Parameters and Nutritional Qualities in Maize Zea mays L.
Published on: June 16, 2018
7.0K
相关概念视频
02:11The Roles of Bacteria and Fungi in Plant Nutrition
35.7K
Plants have the impressive ability to create their own food through photosynthesis. However, plants often require assistance from organisms in the soil to acquire the nutrients they need to function correctly. Both bacteria and fungi have evolved symbiotic relationships with plants that help the species to thrive in a wide variety of environments.
35.7K
01:40Overview of Metabolism
30.4K
Living cells constantly carry out various chemical reactions which are necessary for their proper functioning. These reactions are interlinked to one another via multiple pathways. The collection of these chemical reactions is known as metabolism.
Plant Metabolism
Sunlight, the primary source of energy in plants, is first absorbed by the chlorophyll pigments present in their leaves. Plants then use this energy to carry out photosynthesis, where water is oxidized into oxygen and carbon dioxide...
Plant Metabolism
Sunlight, the primary source of energy in plants, is first absorbed by the chlorophyll pigments present in their leaves. Plants then use this energy to carry out photosynthesis, where water is oxidized into oxygen and carbon dioxide...
30.4K
02:35Key Elements for Plant Nutrition
18.8K
Like all living organisms, plants require organic and inorganic nutrients to survive, reproduce, grow and maintain homeostasis. To identify nutrients that are essential for plant functioning, researchers have leveraged a technique called hydroponics. In hydroponic culture systems, plants are grown—without soil—in water-based solutions containing nutrients. At least 17 nutrients have been identified as essential elements required by plants. Plants acquire these elements from the...
18.8K