Optimising Practices for Crops in Protected Cultivation

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Crop Breeding and Genetics".

Deadline for manuscript submissions: closed (30 November 2020) | Viewed by 4181

Special Issue Editor


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Guest Editor
1. School of Environmental and Life Sciences, University of Newcastle, Ourimbah, NSW 2258, Australia
2. Central Coast Primary Industries Centre, NSW Department of Primary Industries, Ourimbah, NSW 2258, Australia
Interests: plant nutrition; hydroponics; protected cropping; blueberry; cucumber; Asian vegetables

Special Issue Information

Dear Colleagues,

Protected cultivation describes horticultural crops, grown intensively under covered structures and supplied with water and nutrients via fertigation. Crops can be planted in soil, or in a hydroponic channel or container system, with or without substrate. Since the 1990s, the area under protected cultivation has increased globally by more than five-fold, and this area continues to increase as arable land becomes limited and as growers adopt these systems to increase yield and quality, and to mitigate pests, diseases, and climate variability.

Advances have been made in agronomic practices and in plant breeding to increase the productivity and quality of produce grown in protected cultivation, such as using weighing lysimeters to measure changes in pot weight for estimating crop water use, and the development of cucumber varieties that do not require pollination. However, research and development is needed to address ongoing challenges, including optimising practices for new crops, and developing solutions to manage climate extremes and nutrient-rich drainage.

This Special Issue will focus on “Optimising Practices for Crops in Protected Cultivation”. We welcome novel research, review articles, and opinion pieces covering all related topics, including new crops, integrated pest management, pollination, food safety, plant nutrition, fertigation and rootzone management, water and nutrient recycling, salinity, crop physiological responses to growing conditions, structure design, crop and environmental modelling, and management solutions.

Dr. Sophie Parks
Guest Editor

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Keywords

  • Greenhouse horticulture
  • Protected cropping
  • Glasshouse
  • Hydroponics
  • Energy use
  • Water-use efficiency
  • Fertiliser-use efficiency
  • Nutrient removal and recovery
  • Temperature and humidity control
  • Light requirements
  • Carbon dioxide enrichment
  • Control systems
  • Biological control
  • phytosanitation

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Published Papers (1 paper)

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Research

11 pages, 946 KiB  
Article
Reduced Pollination Efficiency Compromises Some Physicochemical Qualities in Gac (Momordica cochinchinensis Spreng.) Fruit
by Xuan T. Tran, Sophie E. Parks, Minh H. Nguyen and Paul D. Roach
Agronomy 2021, 11(1), 190; https://doi.org/10.3390/agronomy11010190 - 19 Jan 2021
Cited by 2 | Viewed by 3692
Abstract
Gac is valued for the nutritious aril surrounding its seed. When pollinators are limited or when flower sex expression is female-biased, hand pollination is necessary. Here, female flowers were hand pollinated with male flowers or pollen stored for up to 84 days at [...] Read more.
Gac is valued for the nutritious aril surrounding its seed. When pollinators are limited or when flower sex expression is female-biased, hand pollination is necessary. Here, female flowers were hand pollinated with male flowers or pollen stored for up to 84 days at 4 or −20 °C, and fruit set and some qualities of mature fruit were evaluated. Cool storage reduced pollen viability (germinability and pollen tube length) and compromised fruit set (10–87%) compared with fresh pollen (97%). Fruit weight was also reduced at least by 8%, and oil concentration in aril by 40%. However, the lycopene and β-carotene concentrations in aril were largely uncompromised, and some fruits were of a marketable weight (>1.2 kg) and quality. Cool storage is a low-cost method for the short-term storage of Gac pollen. However, methods for drying pollen to an inactive state need investigation for a storage protocol, and for improvements in fruit set and fruit physicochemical qualities using hand pollination. Full article
(This article belongs to the Special Issue Optimising Practices for Crops in Protected Cultivation)
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