The impact of different biochars on Stemphylium leaf blight (SLB) suppression and productivity of onion (Allium cepa L.)

Muhammad Arif*, Muhammad Sarmad Fawaz, Ali Tan Kee Zuan, Rahmat Ullah Shah, Rehmat Ullah, Ahmed M. Elshehawi, Abdullah M. Al-Sadi, Muhammad Ihsan Ullah, Mehmet Ertuğrul Güldür, Saqer S. Alotaibi, Muhammad Ifnan Khan, Ansar Hussain

*المؤلف المقابل لهذا العمل

نتاج البحث: المساهمة في مجلةمقالمراجعة النظراء

3 اقتباسات (Scopus)


Objectives: Onion is a highly consumed vegetable crop in many countries, being a vital component of every dish. Recent studies indicated that different plant residues’ and animal manure-based biochars have strong impacts on the growth and development of plants. However, the impact of these biochars on disease suppression remains elusive. Therefore, this two-year study assessed the impact of animal and plant residues-based biochars on the suppression of Stemphylium leaf blight (SLB) of onion and productivity of the crop. Methods: Three pyrolyzed biochars cotton sticks, wheat straw and poultry litter) were used in the study. Biochars were prepared in the laboratory and applied to soil prior to crop sowing in same concentration during both years of study. Results: Poultry litter biochar had the highest impact on allometric traits and productivity of onion, and successfully reduced SLB severity. The control treatment had the lowest productivity and the highest disease severity during both years of the study. The remaining biochars (cotton sticks and wheat straw) had moderate influence on growth and development of onion plants. The disease severity was higher compared to poultry litter; however, it was lower in both biochars than control treatment. It is concluded that different animal and plant residues-based biochars could be used to improve plant health. Nonetheless, the response of these biochars will be crop-specific. Conclusion: Poultry litter biochar can be successfully used to suppress SLB in onion and productivity of the crop. Nevertheless, the actual mechanisms involved in disease suppression warrant further investigation.

اللغة الأصليةEnglish
رقم المقال101575
دوريةJournal of King Saud University - Science
مستوى الصوت33
رقم الإصدار7
المعرِّفات الرقمية للأشياء
حالة النشرPublished - أكتوبر 2021

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