Interactive effect of AM fungi with Trichoderma viride and Pseudomonas fluorescens on growth and yield of broccoli
2013
Tanwar, A., Kurukshetra Univ. (India). Mycology and Plant Pathology Lab. | Aggarwal, A., Kurukshetra Univ. (India). Mycology and Plant Pathology Lab. | Kaushish, S., D.A.V. Coll. for Girls, Yamuna Nagar (India). Dept. of Botany | Chauhan, S., Kurukshetra Univ. (India). Mycology and Plant Pathology Lab.
The influences of arbuscular mycorrhizal (AM) fungi (Glomus intraradices (G) and Acaulospora laevis (A)) with Trichoderma viride (T) and Pseudomonas fluorescens (P) alone and in combinations on growth, mycorrhization, chlorophyll content, nutrient uptakes, and yield of broccoli plants were studied in pot culture under glasshouse conditions. The obtained results demonstrated that the single inoculation of broccoli plants with T significantly increased the above-ground fresh weight, root length, chlorophyll b, head diameter, root phosphorus, and shoot nitrogen in comparison to uninoculated control plants. On the other hand, consortium of G+A+T+P significantly increased plant height, above-ground dry weight, root fresh weight, chlorophyll a, head fresh weight, and root nitrogen content. Similarly, G+T showed maximum leaf area and P alone showed maximum uptake of shoot phosphorus. When P was supplied along with T, early flowering was recorded. AM fungal colonisation was negligible and only root tips were found infected in G or A treated plants which confirms low dependency of broccoli on AM fungi.
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