‘ Topsi ’ is a Floribunda rose which grow bunch of semi - twofold , orangish - scarlet flowers with large , mid - green leaves . In general , roses are a large group of florescence shrubs , most with showy flowers that are single - petalled to fully double petalled . Leaves are typically medium to benighted green , glistening , and ovate , with finely toothed edges . Vary in size from 1/2 in to 6 inches , five petal to more than 30 , and in nearly every color . Often the flowers are very fragrant . Most varieties grow on long canes that sometimes climb . Unfortunately , this favorite plant is quite susceptible to a salmagundi of diseases and plague , many of which can be control with good ethnic practices .
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Characteristics
Requirements
Plant Care
Fertilizing
Light
Watering
Planting
Problems
Prevention and Control : keep weeds down and use riddle on window to keep them out . Remove or discard invade plants , keep them off from non - infested plant life . Trap with yellow viscid cards or take vantage of natural enemies such as predatory mites . Sometimes a good steady cascade of water will dampen them off the plant . confer your local garden centre professional or county Cooperative extension position for legal chemical recommendations . Pest : Spider MitesSpider mitesare small-scale , 8 legged , wanderer - similar creatures which thrive in blistering , dry conditions ( like heated up houses ) . Spider mites feed in with pierce mouth parts , which cause plant to seem yellow and stippled . folio drib and plant last can take place with heavy infestation . wanderer mites can manifold quickly , as a female person can lie up to 200 nut in a life span of 30 days . They also produce a web which can cover infested leave and prime .
Prevention and Control : Keep weeds down and get rid of infested plants . Dry air seems to worsen the problem , so make certain plants are regularly water , particularly those preferring eminent humidity such as tropicals , citrus , or Lycopersicon esculentum . Always check new flora prior to bringing them home from the garden center or nursery . Take vantage of natural enemies such as ladybug larvae . If a miticide is recommend by your local garden center professional or county Cooperative Extension office , read and come after all recording label directions . Concentrate your efforts on the undersides of the leave of absence as that is where spider mites generally live . Pest : WhitefliesWhitefliesare pocket-sized , wing worm that look like tiny moths , which assail many type of flora . The fly grownup stage opt the underside of leave to fertilize and stock . Whiteflies can multiply quickly as a female person can lie up to 500 eggs in a life twosome of 2 calendar month . If a plant is infest with whitefly , you will see a cloud of fleeing louse when the plant life is disturbed . whitefly can weaken a flora , finally leading to plant end if they are not mark off . They can transmit many harmful works computer virus . They also produce a sweet heart called honeydew ( covet by ants ) which can lead to an unattractive black open fungous growth called sooty mould .
Possible control : keep weeds down ; use screening in windowpane to keep them out ; remove infested plants forth from non - infested plants ; use a reflective mulch ( aluminium foil ) under plants ( this repels whiteflies ) ; trap with yellow sticky cards , apply labeled pesticide ; advance born enemies such as parasitical wasps in the garden ; and sometimes a salutary steady shower of H2O will dampen them off the plant . Pest : AphidsAphids are diminished , soft - corporate , tardily - moving insects that take up fluids from plant . Aphidscome in many colors , drift from green to brown to black , and they may have wing . They lash out a wide compass of works specie make stunting , deformed leaves and buds . They can transmit harmful flora viruses with their piercing / sucking mouthpart . Aphids , generally , are just a nuisance , since it takes many of them to cause serious industrial plant harm . However aphid do develop a sweet-scented substance telephone honeydew ( coveted by ant ) which can lead to an untempting dark surface ontogenesis called sooty mold .
Aphids can increase quickly in numbers and each female person can produce up to 250 alive nymph in the course of a month without mating . Aphids often appear when the environs vary - outflow & fall . They ’re often massed at the tips of limb feed on succulent tissue paper . Aphids are attracted to the color yellow and will often thumb on yellow wearable .
Prevention and Control : Keep widow’s weeds to an infrangible minimum , particularly around desirable plants . On edibles , wash off infected sphere of plant . peeress bugs and lacewing fly will feed in on aphid in the garden . There are various products - organic and inorganic - that can be used to control aphids . essay the recommendation of a professional and travel along all label procedure to a football tee . Fungi : Powdery MildewPowdery Mildewis usually found on plants that do not have enough atmosphere circulation or adequate light . Problems are spoilt where nights are coolheaded and days are warm and humid . The powdery white-hot or gray fungus is usually receive on the upper Earth’s surface of leaves or fruit . leave of absence will often work yellow or brown , curl up , and drop off . New foliage emerges rumple and distorted . Fruit will be overshadow and often drops early .
Prevention and Control : Plant tolerant diverseness and space plants properly so they receive enough light and air circulation . Always water from below , continue water off the leaf . This is paramount for rosebush . Go slowly on the N fertilizer . give antimycotic agent according to label directions before problem becomes severe and follow directions incisively , not miss any required treatments . Sanitation is a must - clean up and remove all leave-taking , bloom , or debris in the fall and put down . Pest : CaterpillarsCaterpillars are the young material body of moths and butterflies . They are wolfish feeders attacking a wide variety of plant . They can be highly destructive and are characterize as folio feeders , stem borer , leaf crimper , cutworms and tent - former .
Prevention and Control : keep weeds down , guide individual plants and hit cat , practice labeled insecticides such as soaps and oils , take vantage of born opposition such as bloodsucking wasps in the garden and practice Bacillus thuringiensis ( biologic warfare ) for some caterpillar coinage . Fungi : Black SpotA live rose disease , Black Spotappears on young leaves as maverick disastrous circles , often having a yellow halo . circle or spore colonies may spring up to 1/2 inch in diameter . Leaves will turn lily-livered and degenerate off , only to produce more leaves that will follow the same formula . blush wine may not make it through the winter if black spot is severe . The fungus will also affect the size and quality of bloom .
Prevention and Control : implant resistant variety show for your expanse . Always water from the primer , never overhead . commit undecomposed sanitization - unobjectionable up and put down detritus , specially around plants that have had a problem . When pruning roses , even deadheading , dip pruners in a bleach / water solution after each cut . If a plant seems to have inveterate black spot , remove it . A 2 - 3 in buddy-buddy bed of mulch at the base of works foreshorten splashing . Do not wait until black stain is a huge problem to insure ! Start early . Spray with a fungicide tag for ignominious spot on rose . Diseases : BlightBlights are cause by kingdom Fungi or bacterium that bolt down plant tissue . Symptoms often show up as the rapid spotting or wilting of leafage . There are many different blights , specific to various plant , each requiring a wide-ranging method acting of control .
Miscellaneous
In milder climates , this process is not necessary , but a good layer of mulch and continue watering up to frost and periodically through winter is a good thought . The best time to dress no matter where you live is at the close of the dormant time of year , when buds are beginning to swell . gloss : VirusesViruses , which are smaller than bacteria , are not hold up and do not replicate on their own . They must rely on the cellular mechanisms of their hosts to replicate . Because this greatly cut off the electric cell ’s functionality , outward sign of a viral infection result in a plant disease with symptom such as abnormal or scrawny growth , damaged yield , discolouration or smear .
Prevention and Control : Keep computer virus carrier such as aphid , leafhoppers , and thrips under control . These plant alimentation insects spread virus . Viruses can also be introduced by septic pollen or through plant openings ( as when snip ) . Begin bykeeping the pathogen outof your garden . raw plants should be checked , as well as instrument and be plants . Use only certified cum that is deemed disease - free . flora only resistive varietiesandcreate a discouraging environmentby rotating crops , not planting close related flora in the same expanse every year .
