Biochar amendment changes jasmonic acid levels in two rice varieties and alters their resistance to herbivory
Publication Date
January 26, 2018
Authors
Muhammad Waqas, Raheem Shahzad, Muhammad Hamayun, Sajjad Asaf, et al
Volume
13
Issue
1
Pages
e0191296
DOI
https://dx.plos.org/10.1371/journal.pone.0191296
Publisher URL
http://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0191296
Scopus
85041063209
Mendeley
http://www.mendeley.com/research/biochar-amendment-changes-jasmonic-acid-levels-two-rice-varieties-alters-resistance-herbivory
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Mendeley | Further Information

{"title"=>"Biochar amendment changes jasmonic acid levels in two rice varieties and alters their resistance to herbivory", "type"=>"journal", "authors"=>[{"first_name"=>"Muhammad", "last_name"=>"Waqas", "scopus_author_id"=>"57192383682"}, {"first_name"=>"Raheem", "last_name"=>"Shahzad", "scopus_author_id"=>"56454250900"}, {"first_name"=>"Muhammad", "last_name"=>"Hamayun", "scopus_author_id"=>"14066297100"}, {"first_name"=>"Sajjad", "last_name"=>"Asaf", "scopus_author_id"=>"56595059900"}, {"first_name"=>"Abdul Latif", "last_name"=>"Khan", "scopus_author_id"=>"26639372800"}, {"first_name"=>"Sang Mo", "last_name"=>"Kang", "scopus_author_id"=>"57200384024"}, {"first_name"=>"Sopheap", "last_name"=>"Yun", "scopus_author_id"=>"57190670675"}, {"first_name"=>"Kyung Min", "last_name"=>"Kim", "scopus_author_id"=>"34868260300"}, {"first_name"=>"In Jung", "last_name"=>"Lee", "scopus_author_id"=>"16425830900"}], "year"=>2018, "source"=>"PLoS ONE", "identifiers"=>{"issn"=>"19326203", "pui"=>"620329774", "doi"=>"10.1371/journal.pone.0191296", "sgr"=>"85041063209", "isbn"=>"1111111111", "scopus"=>"2-s2.0-85041063209"}, "id"=>"8599c752-e8aa-3670-ab34-ac5b8c6221d5", "abstract"=>"© 2018 Waqas et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Biochar addition to soil not only sequesters carbon for the long-term but enhances agricultural productivity. Several well-known benefits arise from biochar amendment, including constant provision of nutrients, increased soil moisture retention, decreased soil bulk density, and sometimes the induction of systemic resistance against foliar and soil borne plant pathogens. However, no research has investigated the potential of biochar to increase resistance against herbivory. The white-backed plant hopper (WBPH) (Sogatella furcifera Hor-váth) is a serious agricultural pest that targets rice (Oryza sativa L.), a staple crop that feeds half of the world’s human population. Therefore, we investigated the (1) optimization of biochar amendment levels for two rice varieties (‘Cheongcheong’ and ‘Nagdong’) and (2) subsequent effects of different biochar amendments on resistance and susceptibility of these two varieties to WBPH infestation. Initial screening results for the optimization level revealed that the application of biochar 10% (w/w) to the rooting media significantly improved plant physiological characteristics of both rice varieties. However, levels of biochar amendment, mainly 1, 2, 3, and 20%, resulted in negative effects on plant growth characteristics. Cheongcheong and Nagdong rice plants grown with the optimum biochar level showed contrasting reactions to WBPH infestation. Specifically, biochar application significantly increased plant growth characteristics of Nagdong when exposed to WBPH infestation and significantly decreased these characteristics in Cheongcheong. The amount of WBPH-induced damage to plants was significantly lower and higher in Nagdong and Cheongcheong, respectively, compared to that in the controls. Higher levels of jasmonic acid caused by the biochar priming effect could have accumulated in response to WBPH infestation, resulting in a maladaptive response to stress, negatively affecting growth and resistance to WBPH in Cheongcheong. This study highlights the importance of investigating the effects of biochar on different rice varieties before application on a commercial scale to avoid potential crop losses.", "link"=>"http://www.mendeley.com/research/biochar-amendment-changes-jasmonic-acid-levels-two-rice-varieties-alters-resistance-herbivory", "reader_count"=>5, "reader_count_by_academic_status"=>{"Unspecified"=>1, "Professor > Associate Professor"=>1, "Student > Ph. D. Student"=>1, "Lecturer > Senior Lecturer"=>1, "Professor"=>1}, "reader_count_by_user_role"=>{"Unspecified"=>1, "Professor > Associate Professor"=>1, "Student > Ph. D. Student"=>1, "Lecturer > Senior Lecturer"=>1, "Professor"=>1}, "reader_count_by_subject_area"=>{"Unspecified"=>2, "Agricultural and Biological Sciences"=>3}, "reader_count_by_subdiscipline"=>{"Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>3}, "Unspecified"=>{"Unspecified"=>2}}, "group_count"=>0}

Scopus | Further Information

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