Acta Hortic. (non-bearing), corn, cranberries, filberts, mint, onions and other bulb vegetables, When the plant flowers, the stem begins to elongate and produces a flower head of small purple or red flowers, each with a pointed bract. Leaf rot in pineapples occurs when planting stock isn't kept dry. Plant roots infected with nematodes often become more susceptible to other diseases. Read Also: Ideal Spacing Required in Planting Pineapples, Flattened oval to round disc-like insect covered in waxy substance on tree branches; insects attract ants which may also be present; insect colony may also be associated with growth of sooty mold due to fungal colonization of sugary honeydew excreted by the insect; plants may show symptoms of mealybug wilt (see entry), Insects have a wide host range; often tended by ants which farm them for their sugary honeydew secretions; transmit mealybug wilt in pineapple. The disease can reduce cane yield by 31-35% (Anon.2000). What are the Health Benefits of Cashew Nuts? The stem continues to elongate and sets down a tuft of of short leaves called a ‘crown’. In addition to these pests, the diseases termed heart rot, root rot, fruit rot and butt rot may be major problems when handling, storing or planting fresh materials. K. G. Rohrbach and W. J. Leaf Miner (Liriomyza spp) – It's Symptoms and Damage Prevention, Methods of Weed Control on a Pineapple Farm, Ideal Spacing Required in Planting Pineapples. The plants infested with nematodes present the same symptoms as when suffering from nutrients deficiency and drought. FOR THE CONTROL OF RED ROT AND PINEAPPLE DISEASE IN SUGARCANE - LOUISIANA General Information PRODUCT USE RESTRICTIONS DO NOT use in nurseries, greenhouses or landscape plantings. Prevention: Pre-planting treatments are effective in controlling pineapple mealy bugs. Next to mangos and bananas, pineapples are the third most consumed fruit worldwide. The pink disease of pineapple represents one of the most perplexing problems of the pineapple canned-fruit industry. Enter your International Society for Horticultural Science e-mail or user number. Pineapple pink disease (not citrus pink disease) is characterized by the fruit developing a brownish to black discoloration when heated during the … To find biological control agents against pineapple (, Torres, C.Q. 334, 417-422, International Society for Horticultural Science, https://doi.org/10.17660/ActaHortic.1993.334.45, Division Tropical and Subtropical Fruit and Nuts, Division Physiology and Plant-Environment Interactions of Horticultural Crops in Field Systems, 334_2 GENETIC VARIABILITY IN THE GENUS ANANAS, 334_3 RECENT ADVANCEMENTS IN HYBRIDIZATION AND SELECTION OF PINEAPPLE IN MALAYSIA, 334_4 FERTILITY AND SELF-INCOMPATIBILITY IN THE GENUS ANANAS, 334_5 SELECTION OF PINEAPPLE CULTIVARS RESISTANT TO FUSARIOSE, 334_6 INHERITANCE OF LEAF MARGIN SPINE IN PINEAPPLE, 334_7 HISTORICAL REVIEW OF PINEAPPLE BREEDING IN HAWAII, 334_8 THE EFFECT OF TWO PLANT GROWTH REGULATORS ON THE INHIBITION OF PRECOCIOUS FRUITING IN PINEAPPLE, 334_9 ETHEPHON AND CAUSES OF FLOWERING FAILURE IN PINEAPPLE, 334_10 EFFECT OF PACLOBUTRAZOL, THIOUREA, AND PENDIMETHALIN ALONE OR IN COMBINATION ON THE INDUCTION OF SUCKERING IN PINEAPPLE, 334_11 EFFECTS OF GROWTH REGULATORS ON ETHYLENE PRODUCTION AND FLORAL INITIATION OF PINEAPPLE, 334_12 PHOTOSYNTHETIC CRASSULACEAN ACID METABOLISM IN PINEAPPLE: DIEL RHYTHM OF CO2 FIXATION, WATER USE, AND EFFECT OF WATER STRESS, 334_13 PINEAPPLE PLANT AND FRUIT GROWTH AND DEVELOPMENT IN FERTILIZED NATIVE SOIL AND ARTIFICIAL ROOTING MEDIUM, 334_14 EFFECT OF SOIL MOISTURE POTENTIAL AND PLANT WEIGHT ON EARLY GROWTH OF PINEAPPLE [ANANAS COMOSUS (L.) MERR], 334_15 DRY MATTER ACCUMULATION AND YIELD ELABORATION OF PINEAPPLE IN COTE D'IVOIRE. What are the health benefits of Quail Eggs? Leaf Spot (Phytophthora sp.) ). Our objective was to determine whether these enzymes contributed to its fitness as a biocontrol agent of sugarcane pineapple disease caused by the soil-borne pathogen Ceratocystis paradoxa. The sporadic nature of the disease makes chemical control impractical and uneconomic. Sometimes mealy bugs are found as contaminants in canned fruit and their presence on fresh market fruit may violate quarantine restrictions at port entrances. Pineapple roots are adventitious and will not regenerate if damaged. A closely related species, the grey pineapple mealybug, Dysmicoccus neobrevipes also occurs. Control sugarcane smut and pineapple disease hook line and 3844Sinker_Ad_AG 2016-04-12T11:48:48+10:00. in May 2016 – in dual rows planted 150 mm apart in the furrow, using 1.8 metre beds. Treatments of hot (50°C) water on the crowns for 30 mins have been shown to reduce mealybug colonisation. 334_17 PINEAPPLE GROWTH IN SOUTHEAST QUEENSLAND, 334_18 A SURVEY ON THE YIELD PROFILE OF PINEAPPLE CV GANDUL GROWN UNDER HIGH DENSITY PLANTING ON DEEP PEAT SOIL IN MALAYSIA, 334_19 A COMPUTER-BASED FARM-MANAGEMENT PACKAGE FOR PINEAPPLE FARMS, 334_20 AN EXPERT SYSTEM FOR PINEAPPLE DISORDER DIAGNOSIS, 334_21 SIMULATION OF PINEAPPLE GROWTH, DEVELOPMENT AND YIELD, 334_22 THE EFFECT OF PLANT POPULATION AND NITROGEN FERTILISER ON GROWTH, YIELD AND FRUIT QUALITY OF SMOOTH CAYENNE PINEAPPLE, 334_23 EROSION PROBLEMS AND CONSERVATION NEEDS OF PINEAPPLE CULTURE, 334_24 EFFECTS OF MICRONUTRIENTS ON GROWTH, NUTRIENTS CONTENT IN D-LEAF, AND YIELD OF PINEAPPLE, 334_25 THE RESPONSE OF PINEAPPLE CV GANDUL TO NITROGEN, PHOSPHORUS, AND POTASSIUM ON PEAT SOIL IN MALAYSIA, 334_26 PINEAPPLE FOR GROUND COVER MANAGEMENT AND EROSION CONTROL IN SOUTH EASTERN NIGERIA, 334_27 DETERMINATION OF BRIX VALUE AND ACIDITY IN PINEAPPLE FRUITS BY NEAR INFRARED SPECTROSCOPY, 334_28 POSTHARVEST HANDLING OF SMOOTH CAYENNE PINEAPPLE IN HAWAII FOR THE FRESH FRUIT MARKET, 334_29 OPTIMISATION OF FRESH-MARKET PINEAPPLE EATING QUALITY IN QUEENSLAND, 334_30 ENZYMATIC CHARACTERIZATION OF STRESS INDUCED TRANSLUCENCE OF PINEAPPLE FLESH IN THE IVORY COAST, 334_31 EFFECT OF FRUIT HANDLING AND FRUIT COATINGS ON BLACKHEART (INTERNAL BROWN SPOT) AND OTHER ASPECTS OF FRESH PINEAPPLE QUALITY, 334_32 STUDIES ON BLACK HEART DISORDER IN PINEAPPLE VARIETIES GROWN IN SRI LANKA, 334_33 MAXIMUM UTILIZATION OF PINEAPPLE CROWNS FOR MICROPROPAGATION, 334_34 EFFECT OF PLANT SIZE ON SUCKER PROMOTION IN 'MAURITIUS' PINEAPPLE BY MECHANICAL DECAPITATION, 334_35 CONTROL OF WILD SUGARCANE IN PINEAPPLE ON THE DEL MONTE PHILIPPINES, INC. PLANTATION, 334_36 RATIONAL NEMATODE MANAGEMENT PRACTICES FOR THE AUSTRALIAN PINEAPPLE INDUSTRY, 334_37 MANAGEMENT OF DRIP-APPLIED NEMATICIDES IN PINEAPPLE, 334_38 DYNAMICS OF NEMATICIDE DISTRIBUTION AND DEGRADATION IN SOIL SUBJECTED TO LONG-TERM PINEAPPLE CULTURE, 334_39 PINEAPPLE INTER-CYCLE COVER CROPS TO REDUCE PLANT-PARASITIC NEMATODE POPULATIONS, 334_40 THE PINEAPPLE MEALYBUG COMPLEX; TAXONOMY, DISTRIBUTION AND HOST RELATIONSHIPS, 334_41 ANT (PHEIDOLE MEGACEPHALA F.) - MEALYBUG (DYSMICOCCUS BREVIPES CKLL.) DO NOT spray Quilt Xcel Fungicide where spray drift may reach apple trees. Meanhwile according to research, other pests and diseases of pineapple include the following below: Water-soaked lesions on the white basal sections of leaves in the central whorl which may spread to all leaves in the central whorl; midportions of leaves become olive green in color with a bloated appearance; infected fruits exude juices and the shell becomes olive green; cavities form within the fruit, Disease is thought to be spread from the juices of infected fruits; bacteria in the juice can enter leaves through wounds; ants acts as vectors for the bacteria, Remove and destroy infected fruits; avoid the use of infected crowns for seed material to prevent spread of the disease; planting to avoid flowering when adjacent field is fruiting can reduce disease development; use of miticides and control of ants can significantly reduce disease incidence, Soft black rot which begins at the area where the seed piece detaches from the mother plant; entire seed piece may be rotted; black rot of fruit causes a soft, watery rot which darkens with time; small brown, wet spots develop on leaves; leaf spots enlarge and turn gray-brown with light brown margins, Fungus survives in soil and pineapple residue; infects plants through fresh wounds, Seed material should be stored on mother plants during dry weather and with good air circulation; freshly removed seed material should be dipped in an appropriate fungicide within 12 hours of removal from the mother plant; avoiding bruising and wounding of fruit during harvest helps to reduce black rot; harvested fruit should be dipped in an appropriate fungicide within 6-12 hours of harvest to prevent disease development during shipping, Read Also: Methods of Weed Control in a Pineapple Farm, Yellow to red or very dark brown discoloration of fruit flesh; infected tissues develop a granular texture with woody consistency and speckled color; single or multiple fruitlets may be affected; vascular system may appear speckled right down to core of fruit; symptoms develop during the last month of fruit maturation, Emergence of the disease is favored by warm, wet weather, There are currently no methods of controlling the disease; the pineapple variety Smooth Cayenne appears to be moderately resistant to the disease, Pineapple plants infected with mealybug wilt, Leaves turning red; tips of leaves become withered and turn brown; plants can be easily removed from the soil, Virus is transmitted by mealybugs; ants protect mealybug populations from predators and parasites and can allow mealybugs populations to reach very damaging levels if left uncontrolled, Ants should be controlled with an appropriate insecticide, Symptoms of Phytophthora root rot in pineapple field Symptoms of Phytophthora root rot in pineapple field Phytophthora symptoms on pineapple Pineapple heart rot Phytophthora symptoms on pineapple fruit, Young leaves failing to elongate and turning chlorotic; heart leaves wilting and turning brown; terminal whorl can be easily pulled from mother plant; water-soaked tissue at base of leaves; foul smell; leaves may be turning red and yellow with necrotic leaf margins and leaf tips; plants can easily be pulled out of the ground; fruits color prematurely, Fungi can survive in soil and plant debris for many years. 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