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Agronomy, Volume 10, Issue 2

February 2020 - 163 articles

Cover Story: Conventional methods for leaf area index (LAI) estimation are laborious and time-consuming, so it is not often determined in plant breeding trials where hundreds of cultivars are evaluated at the same time. The recent emergence of high-throughput plant phenotyping platforms has increased the need to develop new phenotyping tools to foster decision-making by breeders. The combination of artificial intelligence algorithms and nadir-view RGB images taken from a terrestrial high throughput phenotyping platform has allowed to develop a novel methodology to make rapid and accurate LAI estimations in wheat breeding trials. Model-based LAI estimations were validated against LAI measurements determined non-destructively using an allometric relationship obtained in this study and against a classical indirect method based on bottom-up hemispherical images and gaps fraction theory. View this paper
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Articles (163)

  • Article
  • Open Access
16 Citations
3,758 Views
11 Pages

A 1Ns Disomic Addition from Psathyrostachys Huashanica Keng Confers Resistance to Powdery Mildew in Wheat

  • Jing Han,
  • Yuxiu Liu,
  • Chenchen Hou,
  • Jiachuang Li,
  • Jinglin Wang,
  • Qiaoying Zhang,
  • Qunhui Yang,
  • Xinhong Chen and
  • Jun Wu

24 February 2020

Powdery mildew is a fungal disease that threatens wheat production throughout the world. Breeding resistant cultivars is an effective way to reduce harm caused by powdery mildew. In this study, 35 wheat-Psathyrostachys huashanica-derived lines were d...

  • Article
  • Open Access
12 Citations
5,021 Views
15 Pages

Transcriptomic Analysis of Female Panicles Reveals Gene Expression Responses to Drought Stress in Maize (Zea mays L.)

  • Shuangjie Jia,
  • Hongwei Li,
  • Yanping Jiang,
  • Yulou Tang,
  • Guoqiang Zhao,
  • Yinglei Zhang,
  • Shenjiao Yang,
  • Husen Qiu,
  • Yongchao Wang and
  • Jiameng Guo
  • + 2 authors

24 February 2020

Female panicles (FPs) play an important role in the formation of yields in maize. From 40 days after sowing to the tasseling stage for summer maize, FPs are developing and sensitive to drought. However, it remains unclear how FPs respond to drought s...

  • Article
  • Open Access
14 Citations
5,906 Views
16 Pages

Nutrient Recycling, Wheat Straw Decomposition, and the Potential Effect of Straw Shear Strength on Soil Mechanical Properties

  • Yanpeng Wang,
  • Abbas Adnan,
  • Xiaochan Wang,
  • Yinyan Shi,
  • Sijun Yang,
  • Qishuo Ding and
  • Guoxiang Sun

24 February 2020

This study aimed to explore the release rate (RR) of wheat straw nutrients during straw return to a paddy field and examined the possible relationship between wheat stalk shear strength and the content of the remaining components in wheat straw. We u...

  • Article
  • Open Access
4 Citations
3,635 Views
14 Pages

Analysis of Differences in the Choice of the Economic Value of Urban Trees in Madrid When Displayed in Situ and in Photographs

  • Claudia García-Ventura,
  • Alfonso Bermejo,
  • Concepción González-García,
  • M. Ángeles Grande-Ortíz,
  • Esperanza Ayuga-Téllez,
  • Álvaro Sánchez de Medina-Garrido and
  • Juan José Ramírez-Montoro

23 February 2020

The determination of an asset’s economic value has always been an important step in improving its management. The Madrid Region legislated the application of the first version of the Norma Granada as a method of appraising ornamental trees. How...

  • Article
  • Open Access
1 Citations
4,361 Views
12 Pages

Estimation of Genetic Diversity in Seven Races of Native Maize from the Highlands of Mexico

  • Mario Rocandio-Rodríguez,
  • Amalio Santacruz-Varela,
  • Leobigildo Córdova-Téllez,
  • Higinio López-Sánchez,
  • Aurelio Hernández-Bautista,
  • Fernando Castillo-González,
  • Ricardo Lobato-Ortiz,
  • J. Jesús García-Zavala and
  • Pedro Antonio López

22 February 2020

Characterizing the genetic diversity of maize (Zea mays L.) populations by their morphological and molecular attributes makes it possible to place populations into specific groups; thus, facilitating the design of procedures for their optimum and sus...

  • Article
  • Open Access
18 Citations
5,552 Views
16 Pages

22 February 2020

In semi-arid areas, alfalfa (Medicago sativa L.) is widely grown, but its growth is often restricted due to limited rainfall and soil nutrients, particularly phosphorus (P). Nutrient resorption is an effective strategy for dealing with nutrient short...

  • Article
  • Open Access
29 Citations
4,625 Views
11 Pages

The Effect of Various Tillage Systems on Productivity of Narrow-Leaved Lupin-Winter Wheat-Winter Triticale-Winter Barley Rotation

  • Katarzyna Panasiewicz,
  • Agnieszka Faligowska,
  • Grażyna Szymańska,
  • Jerzy Szukała,
  • Karolina Ratajczak and
  • Hanna Sulewska

21 February 2020

Legumes are increasingly important crops in most European Union (EU) countries because of the growing demand for feed protein, and also because they have been shown to improve the characteristics of soil. The main part of the crop rotation is taken u...

  • Article
  • Open Access
37 Citations
7,663 Views
23 Pages

21 February 2020

Understanding the effect of the environment, crop types, and land management practices on the organic carbon sequestration of top soil is crucial for adopting management strategies in highland agricultural areas. The objectives of this study are: (1)...

  • Article
  • Open Access
3 Citations
3,455 Views
13 Pages

Morphological Diversity and Bioactive Compounds in Wall Rocket (Diplotaxis erucoides (L.) DC.)

  • Carla Guijarro-Real,
  • Jaime Prohens,
  • Adrián Rodríguez-Burruezo and
  • Ana Fita

21 February 2020

Wall rocket is a wild vegetable with interest to become a crop. However, the information regarding morphological variability in the species is scarce, despite the interest it has received for breeding programs. In addition, evaluating the phytochemic...

  • Article
  • Open Access
69 Citations
8,111 Views
10 Pages

Initial Development of Corn Seedlings after Seed Priming with Nanoscale Synthetic Zinc Oxide

  • Michel Esper Neto,
  • David W. Britt,
  • Lorena Moreira Lara,
  • Anthony Cartwright,
  • Rayssa Fernanda dos Santos,
  • Tadeu Takeyoshi Inoue and
  • Marcelo Augusto Batista

21 February 2020

Nanofertilizers are increasingly explored for sustainable micronutrient delivery in agriculture. Pre-treating seeds with nanofertilizers prior to planting (i.e., seed priming) reduces concerns about nanoparticle (NP) fertilizer non-target dispersion;...

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Agronomy - ISSN 2073-4395