Depressions in fruit with dark colored puncture wounds; soft, mushy areas on fruit caused by larvae feedign on fruit; development of secondary rots often cause fruit to drop from tree; insects are small flies - the guava fruit fly is approximately 5 mm in length and is black and yellow in color; the Caribbean fruit fly may reach 12-14 mm in length and is yellow-brown with long patterned wings. Once it reaches the desired height and width, heavier pruning in early spring will keep the guava in proportion to the scale of my yard. Pineapple guava will grow in full sun to part shade and in a variety of soil types, though it prefers a slightly acidic soil. Young guava are attacked by a number of pests including aphids, guava white fly, mealy bugs, moth, scale and thrips. Only the new fawns take a taste and, then, ignore it. Blooms in April & May. Pests and Diseases. And when the pineapple guava plant becomes so established and grown on the ground, 3 to 4 timely fertilizer application is required. Family Myrtaceae . Pineapple guava is a plant you can grow as a privacy screen or grow into a tree. If growing the plant for fruit, the Sunset Western Garden Book recommends ‘Apollo,’ ‘Collidge,’ ‘Mammoth,’ ‘Nazemetz,’ and ‘Trask.’. An added bonus is that the small black-tailed deer who visit my garden ignore the guava. The plant was introduced to Europe, New Zealand and the US around the early 1900s. Insects can produce several overlapping generations per year. I’ve cut the guava in half, ready to scoop out the fleshy interior with a teaspoon. Adaptive Climate:Feijoa can grow anywhere the temperatures do not fall below 15 degrees Fahrenheit. Green scales (Coccus viridis) feeding on stalk attached to fruits of guava ( Psidium guajava). (If the fruit is brown, it is over-ripe, don’t use it.) Pineapple guava are remarkably disease and pest-resistant, with little-to-no known issues. It has no major pest or disease problems. This drought tolerant plant is an evergreen shrub with leathery green leaves and silvery undersides. Introduction. Feijoa sellowiana , or Pineapple Guava, is a gray-green evergreen shrub or tree (depending on pruning) which produces small, tasty fruit in late summer and early fall.The plants can be pruned to form a hedge or a small tree and will withstand several degrees below freezing. Pineapple guava feijoa are really very easy fruit trees and can grow in a range of soil conditions. Rarely it’s referred to as Brazilian guava or it… The black scale can attack it in California, and ripe fruit can attract fruit flies. Origins:The Feijoa shrub is native to southern Brazil, northern Argentina, western Paraguay and Uruguay where it is common in the cool subtropical mountains below 3000’. Sonoma County Master Gardeners include pineapple guava in the Top Plants for Sonoma County. Pineapple guava that is grown from cuttings, graftings and air layering will grow faster than guava grown from seeds. root-knot nematode (Meloidogyne enterolobbii) damaged guava root, root-knot nematode (Meloidogyne enterolobbii) damage. Well, actually, it’s both. The fruit should be allowed to ripen on the plant and drop to the ground when fully ripe. But the cocoon of the guava fruit moth is brownish, beige so I am not sure what insect you have on your shrub. Once inside, the larva feeds on pulp and seeds, causing petrification and premature maturity of fruit. Feijoa sellowiana is a species of flowering plant in the myrtle family, Myrtaceae.It is native to the highlands of southern Brazil, eastern Paraguay, Uruguay, northern Argentina, and Colombia. Some pests that affect pineapple plants are mealy bugs, scale insects, thrips, fruit borer, bud moths, midgets, fruit flies, white grubs, beetles, weevils, termites and mites as described below.Mealy bugs are the most important insect pest of pineapple in many countries while others may reach threshold levels in certain favourable situations causing serious crop damage. Multiple stages of green shield scale (Pulvinaria psidii). Guava fruit flies are widespread in Southern Asia while Caribbean fruit flies are damaging pests in Cuba, Jamaica, Hispaniola, Puerto Rico and Florida. For optimum growth, rich fertile soil that’s also well-draining will give feijoa the best start and continued healthy growth. Galls can appear as quickly as a month prior to planting; nematodes prefer sandy soils and damage in areas of field or garden with this type of soil is most likely. While the pineapple guava is drought tolerant, I give it regular water (20 minutes, three times a week during the summer months) so that I can optimize fruiting. Pineapple guava does well in … Following a move from the the Mid-Atlantic to Sonoma Valley, I attended the local May lavender festival. Insect is tropical to subtropical insect; lifecycle is approximately 3 weeks allowing for several generations per year. After the first growing season, I removed the nursery trellis and placed tree stakes about six feet apart on either side of the shrub and lashed two bamboo poles to the stakes that loosely lace through the guava’s branches. Each flower gives the promise of a late fall/early winter fruit. Pest Control for Guava Fruit Black Scale. Wet, humid conditions promote spread of the disease; zoospores can be spread by splashing water. 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