Biochar and Compost as Management Tool against Rhizoctonia solani on Potato under Field Conditions
DOI:
https://doi.org/10.55627/pbulletin.005.01.1833Keywords:
Biocarbon; disease control; soil amendments; suppressivenessAbstract
The development of alternative strategies for plant disease management is important to reduce dependence on synthetic agrochemicals. Thus, the growing interest about eco-friendly products is extremely necessary to reuse agro-industrial residues accessible to secure global health through an integrative agriculture. The biochar and compost could be used for the management of R. solani. A field experiment was conducted to evaluate the effectiveness of these amendments in reducing stem canker severity and improving potato plant development. The treatments were: control; C= compost; B= biochar; NPK= NPK; CB= Compost+ biochar; CNPK= compost+ NPK; BNPK= biochar + NPK; CBNPK= compost+ biochar + NPK. CBNPK gave maximum severity reduction of R. solani disease. Plants treated with CBNPK and CB decrease 88% and 58% the potato stem canker severity, respectively. The principal component analysis showed biochar and compost influencing the potato plant development, and revealed significantly different groups among control, compost and NPK. In general, CBNPK correlated with plant development parameters, mainly in size and weight of tubers and number of leaves. These findings improve our understanding of the use of biochar and compost as potential amendments for the management of stem canker (R. solani) in potato.
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Copyright (c) 2026 Iram Bilqees, Muhammad Usman Ghazanfar, Muhammad Asif Shabbir, Muhammad Shah Jahan
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