An epiphytic orchid with strap - shaped leaves , to 8 inch long , and fleshy pseudobulb . The 2 inch across , female flower appear on raceme from summer to fall . miserable abstemious precondition produce modest , virile , purple blooms . Use epiphytic orchid potting admixture in deep container . Requires filtered light and humidness in summer , and full light in winter . Keep dry when dormant .
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Characteristics
Requirements
Plant Care
Fertilizing
Light
Watering
Planting
Problems
Prevention and Control : Keep weeds down and remove infested flora . Dry line seems to exacerbate the trouble , so make certain industrial plant are regularly water , peculiarly those favor eminent humidness such as tropicals , citrus , or tomatoes . Always stop new plants prior to bringing them home from the garden center or nursery . Take advantage of instinctive enemy such as ladybug larvae . If a miticide is recommended by your local garden center professional or county Cooperative Extension part , register and succeed all label directions . Concentrate your efforts on the underside of the leaves as that is where wanderer mites generally live . Diseases : Bulb RotImproperly stored bulbs , or bulbs that are too wet in their dormant stage ( unremarkably summer ) , will be susceptible to fungous diseases that cause them to rot . To forbid this , store electric-light bulb properly when out of the ground . Avoid planting bulbs in ill drain grime . Fusarium bulb rotcan be a serious job which attacks both the growing plant and hive away lightbulb . Usually introduced by an infected electric light , corm , soil , or even tool , the fungus enters the industrial plant through an detrition in the tissue . This trouble is worse in warm climates where temperature seldom drop into the freeze range and can hold on in territory that stays 60 to 70 degrees Farenheit . Prevention and Control : Buy bulb that are firm , not mushy . avert plant new bulbs in areas where the disease has been present . Unfortunately , there is no treatment for Fusarium bulb bunk . Remove all infected bulbs and soil in the immediate field . Pest : MealybugsSmall , wingless , dull - white , soft - incarnate insects that develop a waxy powdery covering . They have piercing / absorb mouth part that suck the sap out of works tissue paper . Mealybugsoften calculate like pocket-sized pieces of cotton wool and they incline to congregate where leaves and stems offshoot . They attack a wide-cut ambit of plants . The young incline to move around until they notice a desirable alimentation berth , then they flow out in colony and feed . Mealybugs can weaken a plant lead to yellow leafage and folio drop . They also bring forth a perfumed substance called honeydew ( coveted by ants ) which can run to an untempting black control surface fungal growth call pitchy mold .
Prevention and Control : Isolate infested plants from those that are not . confab your local garden center of attention professional or the Cooperative Extension post in your county for a effectual insecticide / chemical substance passport . Encourage natural enemies such as noblewoman beetles in the garden to help trim population levels of mealy bug . Pest : WhitefliesWhitefliesare pocket-sized , winged louse that look like tiny moths , which lash out many types of plants . The flying adult degree choose the undersurface of leave-taking to feed and strain . Whiteflies can multiply apace as a female can lay up to 500 testis in a life span of 2 months . If a works is infested with whiteflies , you will see a cloud of fleeing insects when the works is commove . Whiteflies can counteract a plant , finally leading to plant death if they are not tick . They can broadcast many harmful flora virus . They also produce a sweet substance called honeydew ( covet by ants ) which can conduct to an untempting black surface fungal growth called sooty mold .
Possible controls : keep weeds down ; use screening in windows to keep them out ; slay invade plants away from non - infested plant ; use a musing mulch ( aluminum enhancer ) under works ( this repels whitefly ) ; gob with sensationalistic muggy board , go for label pesticides ; further raw enemies such as parasitic wasps in the garden ; and sometimes a good steady shower bath of water will rinse them off the plant . Diseases : Pythium and Phytophtora Root RotRot Rot , PythiumorPhytophthoraoccurs when soil wet grade are overly high and fungous spore present in the dirt , come in touch with the susceptible plant life . The base of staunch discolor and cringe , and leaves further up the stalk wilt and die . Leaves near base are touch on first . The roots will turn mordant and waste or break . This fungus can be introduce by using unsterilized land admixture or contaminate weewee .
Prevention and ControlRemove affected plant and their base , and discard surrounding stain . put back with plant that are not susceptible , and only use bracing , sterilized territory mix . Hold back on fertilizing too . Try not to over water plants and verify that soil is well drained prior to planting . This fungus is not treatable by chemicals .
Rhizoctonia Root and Stem Rot symptoms search like to Pythium Root Rot , but the Rhizoctonia fungus seems to thrive in well drain stain . Fungi : Leaf SpotsLeaf spots are triggered by fungi or bacteria . Brown or black spots and darn may be either ragged or circular , with a water souse or yellow - edged appearance . Insects , rainfall , dirty garden tools , or even people can avail its spread .
Prevention and Control : Remove infected leave when the plant is dry . Leaves that collect around the alkali of the plant should be raked up and disposed of . Avoid overhead irrigation if possible ; water should be direct at soil level . For fungal leaf spots , practice a recommended fungicide concord to label directions .
Miscellaneous
Prevention and Control : Keep computer virus carrier such as aphids , leafhopper , and thrips under command . These plant feeding insects spread viruses . virus can also be introduced by infected pollen or through flora hatchway ( as when pruning ) . Begin bykeeping the pathogen outof your garden . New plants should be checked , as well as tools and existing plants . apply only certified seed that is deemed disease - costless . Plant only tolerant varietiesandcreate a discouraging environmentby rotating crops , not planting closely related plants in the same area every year .
