A pot experiment was set to examine the impact of the foliar litter (Hardwickia binata and Azadirachta indica) and an arbuscular mycorrhizal (AM) fungus on the development of two varieties of potato plants (Aida, Atlas). Three litter doses (0, 25 and 50 g) were applied to the pots after bedding plantlets. The plants were inoculated with AM, Glomus aggregatum. Mycorrhizal colonization, shoot dry weight, size and number of minitubers were evaluated after 12 weeks on the potato growth. Results show that shoot dry weight of plants was improved by litter of the H. binata at 25 and 50 g. Thus, A. indica litter increased size of plants Aida at 50 g and the minitubers numbers Atlas at 25 g. On the other hand, root colonization decreased with increase in the dose of litter with both varieties of potato.
Key words: Arbuscular mycorrhizal fungi, potato, litter, micropropagation.
MS, Murashige and Skoog; AM, arbuscular mycorrhizal; LBC, laboratory of fungal Biotechnologies; MC, mycorrhizal colonization; SDW, shoot dry weight; NM, number of minitubers; SM, size of minitubers.
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