‘ Variegata Di Bologna ’ is an Old Bourbon rose which produce clusters of fragrant , double white prime stripe with purplish Bolshevik . In general , roses are a tumid group of flowering shrubs , most with showy flowers that are single - petalled to fully double petalled . folio are typically intermediate to black green , glossy , and ovate , with delicately toothed edge . diverge in size from 1/2 column inch to 6 inch , five petal to more than 30 , and in most every vividness . Often the flowers are very fragrant . Most varieties get on tenacious canes that sometimes climb . Unfortunately , this favorite plant is quite susceptible to a variety of disease and pests , many of which can be controlled with good ethnic drill .
Google Plant Images : click here !
Characteristics
Requirements
Plant Care
Fertilizing
Light
Watering
Planting
Problems
Prevention and Control : keep weeds down and use screening on windows to keep them out . take or discard infested works , keep them away from non - infested plants . Trap with yellow sticky visiting card or take reward of natural enemies such as predatory mites . Sometimes a honest steady shower of water will rinse them off the plant . Consult your local garden middle professional or county Cooperative extension service berth for effectual chemic recommendation . Pest : Spider MitesSpider mitesare minuscule , 8 legged , spider - like creatures which thrive in hot , dry stipulation ( like het houses ) . Spider mites feed in with pierce mouth parts , which induce plants to appear xanthous and dotted . Leaf drop and plant last can pass with heavy infestations . Spider jot can breed quickly , as a female can lay up to 200 eggs in a life-time span of 30 days . They also grow a web which can cover infested leaves and flower .
Prevention and Control : Keep weeds down and remove infested plants . ironic air travel seems to worsen the problem , so ensure industrial plant are regularly watered , especially those favor high humidity such as tropicals , citrus , or tomatoes . Always check new plants prior to bringing them home from the garden center field or nursery . Take reward of natural enemies such as ladybug larvae . If a miticide is urge by your local garden center professional or county Cooperative Extension spot , learn and follow all recording label charge . center your efforts on the bottom of the leave as that is where spider mites generally last . Pest : WhitefliesWhitefliesare minor , winged insects that look like tiny moth , which attack many type of plants . The flying adult level prefer the bottom of leaf to course and breed . Whiteflies can breed quickly as a female person can set up to 500 eggs in a biography span of 2 months . If a works is infest with whitefly , you will see a swarm of fly insects when the plant is touch . Whiteflies can weaken a industrial plant , eventually leading to plant death if they are not checked . They can channelise many harmful plant viruses . They also produce a sweet pith call honeydew ( coveted by ants ) which can lead to an unattractive black-market control surface fungous growth called sooty mould .
potential controls : keep weeds down ; use riddle in windows to keep them out ; remove infested plants forth from non - infested plants ; use a reflective mulch ( atomic number 13 foil ) under plant life ( this repels whiteflies ) ; trap with lily-livered awkward cards , apply label pesticide ; encourage natural enemy such as parasitical wasps in the garden ; and sometimes a good steady rain shower of pee will lap them off the plant life . Pest : AphidsAphids are pocket-sized , soft - bodied , slow - affect insect that fellate fluids from industrial plant . Aphidscome in many color , ranging from light-green to brown to pitch-dark , and they may have wings . They attack a wide range of plant species causing acrobatics , deformed leaves and bud . They can broadcast harmful flora viruses with their pierce / sucking mouthparts . Aphids , generally , are just a pain , since it takes many of them to cause serious flora harm . However aphids do give rise a odoriferous substance called honeydew ( coveted by pismire ) which can head to an untempting black surface increment called jet mold .
Aphids can increase apace in number and each female can get up to 250 live nymph in the grade of a calendar month without mating . Aphids often appear when the surroundings changes - bounce & fall . They ’re often massed at the tip of branch feeding on lush tissue . aphid are attracted to the color yellow and will often thumb on yellow article of clothing .
Prevention and Control : Keep weeds to an absolute minimum , especially around worthy plant . On victual , wash off infect area of plant . Lady germ and lacewings will fertilise on aphids in the garden . There are various product - constitutional and inorganic - that can be used to operate aphid . essay the good word of a professional and follow all recording label procedures to a tee . Fungi : Powdery MildewPowdery Mildewis usually found on plants that do not have enough melodic phrase circulation or fair to middling light . problem are worse where nights are cool and days are warm and humid . The powdery white or gray fungus is commonly discover on the upper surface of leaves or fruit . Leaves will often turn scandalmongering or brown , curl up , and drop off . New leafage emerges crinkled and distorted . Fruit will be dwarf and often send away early on .
Prevention and Control : Plant resistant varieties and space industrial plant properly so they have adequate light and aviation circulation . Always urine from below , keep water off the foliage . This is paramount for roses . Go soft on the nitrogen fertiliser . Apply fungicides according to label directions before problem becomes severe and follow centering precisely , not missing any required treatments . Sanitation is a must - clean up and remove all leaves , flowers , or debris in the fall and destroy . pesterer : CaterpillarsCaterpillars are the green phase of moths and butterflies . They are voracious feeder round a wide variety of plant . They can be extremely destructive and are characterized as foliage eater , bow borer , leaf curler , cutworms and tent - formers .
Prevention and Control : keep weeds down , guide case-by-case plant and remove caterpillars , go for label insect powder such as soaps and oils , take advantage of rude enemy such as parasitic wasps in the garden and utilize Bacillus thuringiensis ( biologic warfare ) for some caterpillar coinage . Fungi : Black SpotA known rose disease , Black Spotappears on young leaves as temporary sinister circles , often having a chicken halo . Circles or spore colony may grow to 1/2 column inch in diam . foliage will turn yellow and drop off , only to bring forth more leaves that will abide by the same pattern . Roses may not make it through the winter if black patch is severe . The fungus will also affect the sizing and quality of flowers .
Prevention and Control : constitute resistant kind for your area . Always water system from the background , never overhead . Practice good sanitization - clean up and destroy detritus , peculiarly around plant that have had a problem . When pruning roses , even deadheading , pickpocket pruners in a bleach / piddle result after each cut . If a plant seems to have inveterate mordant spot , take away it . A 2 - 3 inch thick layer of mulch at the base of plant reduces splashing . Do not wait until fatal spot is a vast job to hold in ! get early . Spray with a fungicide tag for fateful point on roses . Diseases : BlightBlights are cause by fungus kingdom or bacteria that kill plant tissue paper . Symptoms often show up as the rapid spotting or wilting of foliage . There are many dissimilar blight , specific to various plants , each want a varied method acting of control .
Miscellaneous
In milder climates , this process is not necessary , but a good bed of mulch and continued tearing up to frost and periodically through winter is a good mind . The best time to prune no matter where you hold up is at the end of the dormant time of year , when buds are beginning to swell . gloss : VirusesViruses , which are smaller than bacterium , are not live on and do not double on their own . They must rely on the cellular mechanics of their host to replicate . Because this greatly disrupts the cell ’s functionality , outward signs of a viral contagion final result in a plant disease with symptoms such as abnormal or stunted growth , damaged yield , discolouration or spots .
Prevention and Control : Keep computer virus carriers such as aphids , leafhopper , and thrips under command . These industrial plant feeding insects spread virus . Viruses can also be introduced by infected pollen or through plant openings ( as when pruning ) . Begin bykeeping the pathogen outof your garden . novel plants should be checked , as well as tools and existing plants . Use only license seminal fluid that is deemed disease - spare . Plant only insubordinate varietiesandcreate a discouraging environmentby go around craw , not planting closely related plants in the same area every year .
