The Uses of Rhizoctonia Mycorrhizae As a Dry Resistance Induction of Dendrobium aggregatum Seedlings

Orchids are cultivated by tissue culture because their seeds do not have food reserves (endosperm) for growth. All nutrient requirements obtained from media. Propagation causes them to no association with Rhizoctonia mycorrhizae, which needed in growth so that they can interfere orchid both vegetatively and generatively. mycorrhizae a group of sp. form mutual symbiotic orchids. Each has different mycorrhizae. At the time orchids, will peloton structure root cortex, supplies several nutrients orchids environment during drought. inoculation been carried out on seedlings same species vitro. However, never using simpler spraying method. The success Dendrobium aggregatum might provide an understanding increased resistance water stress. materials used were isolates isolated roots lasiantera aged 6 months. consisted two groups. former included exposed (M1) watering intervals 1, 2, 3 days those treated without (M0) but at intervals. experiment RCBD 14 replications. Meanwhile, control was watering. results showed had significant effect seedling height, leaf length, number roots, fresh weight seedlings. interval did give real effect.