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Agronomy, Volume 8, Issue 6

June 2018 - 18 articles

Cover Story: To improve the effect of defoliation and reduce the losses caused by boom sprayer rolling, the effect of defoliant dosage on defoliation, boll opening, absorption, and decontamination in cotton leaves and the effect of spraying volume on absorption and decontamination in cotton leaves sprayed by UAVs were studied. The pooled results indicate that plant protection UAVs could be used for cotton defoliants spraying with a twice defoliant spraying strategy, and the defoliant dosage has no significant effect on seed cotton yield and fiber quality in Xinjiang, China. Our research results could provide a reference for the further optimization of the spraying parameters of cotton defoliant using plant protection UAVs. View this paper
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Articles (18)

  • Article
  • Open Access
19 Citations
8,106 Views
16 Pages

Long-Term Winter Wheat (Triticum aestivum L.) Seasonal Irrigation Amount, Evapotranspiration, Yield, and Water Productivity under Semiarid Climate

  • Koffi Djaman,
  • Michael O’Neill,
  • Curtis Owen,
  • Daniel Smeal,
  • Margaret West,
  • Dallen Begay,
  • Samuel Allen,
  • Komlan Koudahe,
  • Suat Irmak and
  • Kevin Lombard

A long-term field experiment was conducted from 2002 to 2014 for the evaluation of yield and water productivity of three winter wheat varieties—Kharkof, Scout 66, and TAM107—under sprinkler irrigation at New Mexico State University Agricu...

  • Article
  • Open Access
17 Citations
5,806 Views
15 Pages

Dissecting Wheat Grain Yield Drivers in a Mapping Population in the UK

  • João P. Pennacchi,
  • Elizabete Carmo-Silva,
  • P. John Andralojc,
  • David Feuerhelm,
  • Stephen J. Powers and
  • Martin A. J. Parry

Improving crop yields arises as a solution to ensure food security in the future scenarios of a growing world population, changes in food consumption patterns, climate change, and limitations on resources allocated to agriculture. Defining traits tha...

  • Article
  • Open Access
7 Citations
5,380 Views
14 Pages

Genetic Diversity of Clinal Freezing Tolerance Variation in Winter Wheat Landraces

  • Jinita Sthapit Kandel,
  • Meng Huang,
  • Zhiwu Zhang,
  • Daniel Z. Skinner and
  • Deven R. See

Wheat (Triticumaestivum L.) is a major cereal crop grown across a wide range of environments, but its productivity around the world is challenged by various biotic and abiotic factors. Wheat landraces from around the world are a source of unexploited...

  • Article
  • Open Access
13 Citations
7,054 Views
13 Pages

Production of a Polyclonal Antibody against the Recombinant Coat Protein of the Sugarcane Mosaic Virus and Its Application in the Immunodiagnostic of Sugarcane

  • Nurmalasari Darsono,
  • Novita Niswatun Azizah,
  • Kiky Mey Putranty,
  • Natalia Tri Astuti,
  • Hardian Susilo Addy,
  • Win Darmanto and
  • Bambang Sugiharto

Sugarcane mosaic virus (SCMV) is a mosaic disease that has spread over sugarcane plantations in Indonesia. The important step to overcome the disease is to detect the pathogen as early as possible. Detection of the pathogen can be achieved using the...

  • Communication
  • Open Access
7 Citations
3,828 Views
13 Pages

Effect of Olive-Mill Wastewater Application, Organo-Mineral Fertilization, and Transplanting Date on the Control of Phelipanche ramosa in Open-Field Processing Tomato Crops

  • Grazia Disciglio,
  • Antonia Carlucci,
  • Annalisa Tarantino,
  • Marcella Michela Giuliani,
  • Anna Gagliardi,
  • Laura Frabboni,
  • Angela Libutti,
  • Maria Luisa Raimondo,
  • Francesco Lops and
  • Giuseppe Gatta

Phelipanche ramosa (L) Pomel is a root holoparasitic weed for many crops, particularly for the processing tomato in Italy. In order to integrate the use of chemical methods to control P. ramosa (L.), there has been an increased effort to research alt...

  • Article
  • Open Access
25 Citations
5,790 Views
14 Pages

Image-Based On-Panicle Rice [Oryza sativa L.] Grain Counting with a Prior Edge Wavelet Correction Model

  • Liang Gong,
  • Ke Lin,
  • Tao Wang,
  • Chengliang Liu,
  • Zheng Yuan,
  • Dabing Zhang and
  • Jun Hong

The number of rice grains on a panicle is an important index for variety screening during high-quality rice [Oryza Sativa L.] breeding. For an in-vivo image-based measurement, the occlusion and overlapping among grains are the major challenges in non...

  • Article
  • Open Access
12 Citations
7,200 Views
14 Pages

Seed Yield and Water Productivity of Irrigated Winter Canola (Brassica napus L.) under Semiarid Climate and High Elevation

  • Koffi Djaman,
  • Michael O’Neill,
  • Curtis Owen,
  • Daniel Smeal,
  • Margaret West,
  • Dallen Begay,
  • Sangamesh V. Angadi,
  • Komlan Koudahe,
  • Samuel Allen and
  • Kevin Lombard

Canola is a cash crop produced for its highly-valued seed, and as a protein source for animal feed. While winter canola is produced mainly in the high plains, it is expanding to new environments, and is greatly incorporated into crop systems with adv...

  • Article
  • Open Access
14 Citations
6,710 Views
17 Pages

Reports on the annual effects of deficit irrigation regimes on olive trees are critical in shedding light on their impacts on water use, yield, and water productivity in distinct olive growing climate regions of the world. From the account of a four-...

  • Article
  • Open Access
1 Citations
4,800 Views
9 Pages

Water-Stressed Loquat Trees Need More Time and Heat to Ripen Their Fruits

  • Julián Cuevas,
  • Virginia Pinillos,
  • Mercedes Pérez-Macías,
  • Francisca Alonso,
  • Mónica González and
  • Juan José Hueso

To determine if water-stressed trees need more time and heat to mature their fruits, we compared chronological and thermal time from bloom to harvest among control fully-irrigated ‘Algerie’ loquat trees and trees suffering prior-to-bloom...

  • Article
  • Open Access
7 Citations
4,662 Views
15 Pages

Cover cropping has long been used as a method of reducing soil erosion, increasing soil quality, and suppressing weeds. However, the effects of cover crops in local farming systems are varied and can be affected by timing and method of termination. F...

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Agronomy - ISSN 2073-4395