测量蜜蜂对混合日花种子特征的影响
Gary J Brewer1, Kentaro Miwa1, Kathryn Hanford2
1Department of Entomology, University of Nebraska-Lincoln, Lincoln, NE 68588, USA.
Plants (Basel, Switzerland)
|July 29, 2023
概括
精确的蜜蜂授粉测定杂交向日需要特定的隔离大小. 使用孔隙外,开口小于7mm对于可靠的产量和种子特征增益估计至关重要.
科学领域:
- 农业学和作物科学 农业学和作物科学
- 昆虫学 昆虫学是一门学科.
- 授粉生态学 授粉生态学
背景情况:
- 蜜蜂授粉显著影响杂交向日的生产力.
- 准确估计蜜蜂授粉对种子特征和产量的影响是具有挑战性的.
- 由于可变的多孔性,使用多孔性排除的现有方法可能会高估或低估蜜蜂的贡献.
研究的目的:
- 为了确定蜂巢的最佳孔径大小,准确估计蜜蜂对向日生产力的影响.
- 评估排斥孔隙对种子组,种子特征和产量的影响.
- 评估杀虫剂使用对向日种子特征和昆虫损害的影响.
主要方法:
- 进行了两项研究,以测试两种向日类型的毛孔大小和蜜蜂效应的增加.
- 排除实验使用了不同的孔径大小,包括Delnet材料.
- 监测了蜜蜂的食活动和昆虫的破坏;测量了种子的特征和产量.
主要成果:
- 建议采用孔小于7毫米的排除,以避免严重的蜜蜂排除.
- 一个5x5毫米的封闭孔隙估计蜜蜂的影响贡献为323公斤/公.
- 排除对种子特征的影响在油和糖果混合物中是一致的;杀虫剂的使用减少了昆虫的伤害,但没有减少种子特征.
结论:
- 建议使用大约3-5毫米孔隙的外,以精确估计在向日中的蜜蜂效应.
- 建议进行整体的昆虫管理,以平衡向日种植系统中授粉效益与害虫控制.
- 了解蜜蜂的影响对于优化混合日生产和综合害虫管理策略至关重要.
相关概念视频
Dihybrid Crosses
75.2K
Overview
75.2K
Trihybrid Crosses
23.5K
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...
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...
23.5K
Chi-square Analysis
38.4K
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...
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...
38.4K
Monohybrid Crosses
230.4K
Overview
230.4K


