Jenan Othman(1)*, Mohammad Imad Khrieba(2), Shorouq Barbahan(1)
(1). Horticulture Department,Faculty Of Agriculture,Tishreen University, Lattakia,Syria.
(2). General Authority For Biotechnology, Damascus, Syria.
(*Corresponding author: Dr. Jenan Othma , E-mail : jenan.othman@gmail.com).
Received:29/11/2022 Accepted: 23/03/2022
Abstract:
The research was carried out in the gardens nursery of Tishreen university in the spring of the agricultural season (2020),within net plastic bags, and used in the research, sandy clay virgin soil ,to study the effect of treating potato plants with bio-fertilizer(Trichoderma harzianum) on the growth and productivity of the potato crop (Spunta variety),where the design of randomized complete sectors was adopted in the implementation of the research, the research included studying the effect of treating potato plants with biofertilizer(Trichoderma harzianum) alone or with the addition of (25%,50%)of the recommended amount of fertilizer for potato plants and comparing it with the control without mineral fertilization and treatment of farms, the results showed that treating plants with biofertilizer(Trichoderma harzianum) alone contributed to a significant increase in the area of the leaf surface of plants, the number of leaves, the height of the plants,and the average weight of the tuber,and the production of the plant compared to not adding it ,and that adding 25% and 50% of the recommended amount of mineral fertilizers contributed to a significant increase in all the studied traits compared with the control,and the treatment of the farmer was significantly superior to all treatments,thus,the importance of the bio-fertilizer (Trichoderma harzianum) is manifested in reducing the amount of mineral fertilizers used(25%,50%),which is attributed to the increase in the production of potato plants.
KeyWords:Potato,Bio-enriched (Trichoderma harzianum), morphological traits , productivity.
Full paper in Arabic: pdf