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Abstract. Floret explant of a local accession of Lilium speciosum Thunb. var. gloriosoides Baker produced subculturable totipotent calli on a Murashige and Skoog basal medium with a supplement of 3 mg/l 2,4-dichlorophe- noxyacetic acid and 0.25 mg/l benzyladenine. The calli were able to form bulblets, which subsequently developed into plantlets on the MS basal medium supplemented with 0.1 mg/l naphthalene acetic acid, 1 g/l active Continue to download »

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Common diseases of annual and perennial plants include damping- off, root and stem rots, leaf spots and blights, rusts, powdery mildew, downy mildew, vascular wilts, and virus and nematode diseases. Insect pests include aphids, plant bugs, leafhop- pers, spittlebugs, mealybugs, scales, thrips, whiteflies, mites, caterpillars, beetles, wasps, leafminers, and borers. Where aphids and other sucking insects are a problem, avoid using excess nitrogen Continue to download »

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Micropropagation Tissue culture is a term that is used to refer to the growth of plants or plant parts in sterile culture. Micropropagation is a method of propagating plants that uses very small parts of plants that are grown in sterile culture. Micropropagation is only one of a number of uses for plant tissue culture that are used in horticulture. 1. Clonal mass propagation. The important point here is that extremely large numbers of plants can be Continue to download »

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Plants can purify the water by removing suspended solids (sediment) and a wide variety of nutrients and minerals such as nitrate, phosphorus, heavy metals, and fecal coliform bacteria. The plants also provide bank protection by reducing the wave energy before it hits the bank. Be reducing the wave energy, the plants will cause the water to drop sediment around the base of the plants thereby cleaning the water by removing suspended solids. The above ground plant biomass provides sites for algae and other Continue to download »

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To establish an efficient regeneration system for at the stem base. These tissues were subcultured on a Anthurium andreanum cv Rubrun, seeds from plant medium supplemented with 8.9 µ M BA and 2.7 µ M spadixes were germinated on a medium supplemented NAA. After 6 weeks of culture, about 43.8 plantlets per with 2.2 µ M BA. After 2 weeks, 74% of the seeds square cm of callus were obtained. Anatomical studies germinated and four weeks later, micro-cuttings from showed the organogenic nature Continue to download »