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Cactus Pests and Disease
While the cactus Go here:, Alternative Power, Roses Massachusettsgrower is fortunate in not having many pests and diseases Including:, Gardens in Indiana, Fertilizing Houseplantsto deal with in his collection, there are several which can do considerable damage if they are not checked early. Constant cleanliness is the best way to prevent these outbursts. Watch plants See:, flora11, Iris Organizationsthat are not healthy, And:, Potting Cactus, Camellia and if parasites cannot be detected on the plant Also consider:, flora19, Pest Controlbody, then uproot it. Check the roots More interesting articles:, Architects in Washington DC, Bonsai Propagationto see if they are healthy Also consider:, Winter Protection for Bonsai, How to Grow Rosesand growing well. If they are rotted or broken, they should be cut off cleanly, and the plant Including:, Indoor Garden ers, flora15re-rooted. Or there might be mealy-bugs on the roots. Try:, Pension, Lighting Insects may be the cause of a weak-growing plant. And:, How to Sow Grass Seed, Narcissus It is very important to watch your plants, Go here:, Pest Control, Grass Seed Mixtures and keep them healthy See:, Pest Control, Home Insurance - Property and Casualty Insuranceand vigorous, and never too crowded. It is much easier to prevent infestation than to cure it. Window Consider also:, Aquaculture Consulting Services, Types of Rosescollections are ideal places Other resources include:, Mortgage Resources Maine, Grass Seed Mixturesfor insects, and it is therefore natural Also consider:, Orchids Illinois, Architects in Washington DCthat pests increase and multiply to an amazing extent when no control measures are adopted. In nature, Consider also:, Lighting, Architects in Washington DC these pests are kept within bounds by their natural See:, Grass Seed, flora11enemies, but in confined areas, this is not possible. In these close conditions, the pests multiply rapidly so that a plant See:, When to Roses, Indoor Garden ersis thickly covered and quickly drained of nourishment. Mealy Bug The commonest of all cactus Consider also:, Camellia, Grass Seedpests which can cause serious damage to young plants More interesting articles:, Gardens in Alabama, Architects in Washington DCand to new growth. The insects are small, and covered with a fuzzy white Go here:, Grass Seed, Plants Suitable for Bonsaisecretion. They are found usually in stems, and in the new woolly growth. They are not active in the cold Go here:, Bonsai Propagation, Watering House Plantsweather, but they come to life with sudden, renewed activity in spring. And:, Seed Stratification, Life Insurance & Health Insurance - G They excrete a honey dew, similar to aphids, and this is eagerly sought by the ants. Ants also carry mealy bugs from plant Including:, Landscaping Accessories, Mortgage Resources Maineto plant. And:, Farming Marketing and Advertising, Mulching TREATMENT: Individual mealy bugs can be picked off with tweezers. Whilst this may save Consider also:, Mortgage Resources Maine, Mulchingan individual plant And:, Corriente, Life Insurance & Health Insurance - Gfrom immediate damage it is however best to follow up by spraying the whole collection on the assumption that for every insect found, there may be others. Such sprays as systemic insecticides are good for large collections since they are taken up by the roots Try:, Insurance in Insurance in Texas, Lightingof the plants See:, Insurance in Georgia, Auto Insuranceinto the sap and are therefore ready to kill any sap sucking insects as soon as they start feeding. It is no use applying them except at a time when the plants Also consider:, Auto Insurance, Barzonaare growing and therefore can absorb them. The mealy bugs will die, but it may be some time afterwards before they drop off. It is necessary to repeat the insecticide periodically. There are some plants Go here:, Fireplaces, Gardening Historywhich are more susceptible to mealy bugs than others—these usually are the more woolly types. Root Mealy Bug Closely related to the above and equally if not more dangerous. It is very difficult to eradicate and is especially dangerous during the winter Including:, Seed Raising, Sustainable Living Resourcesmonths. The actual bug is seldom seen above ground, so if a plant Other resources include:, Prinicples of a Japanese Garden, Winter Protection for Bonsailooks particularly unhealthy in early spring, Go here:, Grass Seed, Life Insurance & Health Insurance - G knock the plant Try:, Iris Organizations, Intensive ingout of the pot More interesting articles:, Fertilizing Houseplants, When to Plant Rosesand have a look at its root Try:, flora19, Reproductions Furnituresystem. If the roots Also consider:, How To Plant Trees, Organic Seedsare covered in a whitish grey mass, then you know that you have got root Other resources include:, Winter Protection for Bonsai, Life Insurance & Health Insurance - Gmealy bug. TREATMENT: Knock all the soil Also consider:, Houseplant Drainage, Prevailing Winds And Plantingoff the roots See:, Cleaning House Plants, Gardening Magazines and E-Zinesof the plant Try:, Care of lawns in shaded areas, Aquaculture Consulting Servicesand burn it, and thoroughly wash the pot Other resources include:, flora12, Sustainable Living Resourcesitself—if it is a clay pot Consider also:, Iris Organizations, Fireplacesdestroy it. Keep it away from other pots Other resources include:, Seed Propagation, Fertilizing Houseplantsand from compost Try:, Swimming Pools and Spas, Reproductions Furnitureuntil it has been sterilized. Trim the roots And:, Lighting, flora15of the plant, And:, How to Lay Lawn Sods, Home and Garden Resources cutting right back to the base of the plant Including:, Sowing Seeds in Pots, Fireplacesif necessary—be thorough—burn the discarded roots, Consider also:, Gardening Magazines and E-Zines, Seed Stratification etc., also. Pay particular attention to the root Other resources include:, Cattle Dairy, Cleaning House Plantscrown and collar. Then either treat the plant Other resources include:, flora19, Gardening Historyas a cutting if all the roots Try:, Insurance in Insurance in Texas, Fertilizing Houseplantshave been removed or then repot it carefully in fresh potting compost And:, Pest Control, First Aidand do not water Including:, Mulching Roses, flora12for a few days. Always check new plants Also consider:, Caring for Newly Sown Lawn, Roses Massachusettsbrought into the collection for mealy bug and root More interesting articles:, Prinicples of a Japanese Garden, Sustainable Living Resourcesmealy bug as you can quite easily bring them in this way and once you have got them they can spread rapidly. Scale Scale is a troublesome insect which may be difficult to eradicate once it gets a foothold in the collection. It spreads quickly and Opuntias seem specially liable to its attacks. The insect punctures the plant Including:, Prevailing Winds And ing, Pruning Housesand sucks the sap out. TREATMENT: Can be removed by means of a stiff brush or pointed stick. But you must make sure that all the scales are properly removed, as the insects will not die until the round, scale-like covering has been removed. Where the infestation is too severe to deal with in this manner, then painting Go here:, Organic Seeds, Sablewith a nicotine spray with "Cleansol" is recommended. (A wetting agent is needed since the scales are greasy and water See:, Camellia, Mulchingrepellant.) Red Spider Mite Often found in collections where the composts Try:, Care of lawns in shaded areas, First Aidare too dry. It is difficult to see it with the naked eye. It attacks the skin of cacti, leaving yellowish-white spots which scab up and leave scars. Treatment is by spraying with a nicotine spray. Ants Ants are carriers for mealy bugs. They also block up drainage holes and build in the composts. Including:, Will lime break up clayey soil?, Architects in Washington DC They can best be dealt with using a good killing bait or spraying with a 2% Chlordane. A collection free from these pests is the mark of a grower of clean plants. Also consider:, flora13, Organic Seeds Slugs and snails They are very partial to young cacti, especially the new shoots of many Mammillarias, Cerei and Opuntias. At the first sign of them put small piles of slug bait at intervals on your staging near the snail tracks. Rot or fungus disease A black rot sometimes appears near the base of the stems of cacti. This is caused by infection entering through a skin break, for it is here that faults due to bad watering are most likely to occur. Roots Go here:, Landscaping Accessories, Floors Matswhich are not properly trimmed, or a carelessly removed offset or cutting are some of the causes of rotting. It is a good idea therefore in winter More interesting articles:, Gardening Magazines and E-Zines, Architects in Rhode Islandto check the collection as the fungus spreads quickly and valuable plants may quickly be lost. If you do find a soft spot starting, scrape it out carefully until all the soft material is removed, then dust it with a little fine sulphur. It also may be a good idea to repot the plant See:, Iris Organizations, Roses Massachusettsand withhold watering for a while until the wound has scarred over. Well grown plants And:, Pruning Houses, Insurance in Insurance in Texasare sometimes strong enough to form a skin within themselves and in such a way seal off the affected area. Often the whole root Try:, How to Lay Lawn Sods, Seed Raisingstock is destroyed and the plant See:, Camellia, Sowing Seeds in Potsmust be cut back until there is no discoloration visible at all. The remainder of the plant And:, Gardening History, flora21may be treated as a cutting or, if the remaining piece is too small, it can be grafted. Water dripping from leaks in the roof Including:, Pest Control, Cattle Dairyis another way rot will set up. Such hairy plants Also consider:, Camellia, Seed Raisingas Cephatocereus senilis; Oreocereus and hairy Mammillarias are susceptible to rotting. Diseases mostly occur in plants More interesting articles:, Mulching, Farming Marketing and Advertisingwhich are not properly looked after. In any case, a cactus Also consider:, Sustainable Living Resources, Iris Organizationsis a remarkably hardy plant. More interesting articles:, Hereford Breeders Canada, Insurance in Insurance in Texas |
   What's Inside
Cactus Pests and Disease - It is very important to watch your plants, and keep them healthy and vigorous, and never too crowded. It is much easier to prevent infestation than to cure it. Window collections are ideal places for insects, and it is therefore natural that pests increas... more Scale and Perspective in a Japanese Garden - The mountains, hills, lakes, streams, waterfalls and seashores of Japan have inspired its traditional gardens. Scale and proportion are very important Most Japanese gardens are created on comparatively small areas, and every effort is made to establish th... more Green Manure Crops - Because gardening is an intensive cultivation, it is rarely possible to devote considerable areas for lengthy periods to the growing of cover crops to turn under. Cover cropping or green manuring is therefore less extensively practised by gardeners than b... more Potting Cactus - When potting, choose a pot big enough for the plant to grow in. The ideal size for globular plants is one that is slightly larger than the plant, including its spines. This allows protection for the spines if the pots are placed close together. For cylind... more Light and House Plants - Light can be supplemented by artificial lights, especially by fluorescent tubes only half a metre or so above the plants. This works well for foliage plants but to make flower buds, the red rays of incandescent globes are needed. Too many of these too clo... more Peat moss and plants that like lime - Peat moss can be safely used and it will improve the structure of the soil, increase its water holding capacity and make it easier to work.
But, as peat moss has an acid reaction, lime must be used to counter the acidity. A dressing of lime, say a good... more Cactus Grafting - Cactus grafting is another form of propagation which should be avoided if possible, unless it is essential to save a plant, but growers should know the various methods of grafting. Some plants have to be grafted—crests and variegated plants, but generally... more Rocks and Stones in a Japanese Garden - Although rocks are conspicuous in Japanese gardens, their use is quite different from that in Western rock gardens, where the aim is to duplicate natural rock formations as closely as possible. The rocks in a Japanese garden are considered individually as... more |