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How to control pineapple mealybug? Detailed control methods
The pineapple mealybug, scientific name Dysmicoccus brevipes (Cockerell), belongs to the order Homoptera, family Pseudococcidae. Dysmicoccus brevipes is the most commonly seen species. Damage symptoms: adults and nymphs damage pineapple rhizomes, leaves, fruits and seedlings by sucking their sap. On affected leaves, symptoms first appear on the lower leaves, gradually fading upward to yellow and finally...
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Pineapple fertilization: pay attention to supplementing nitrogen and potassium fertilizers
Because root-knot nematodes parasitize in the roots and cause the root tissue to overgrow, forming tumors of varying sizes. Control method: implement quarantine; plants carrying nematode disease must not be brought to disease-free areas. When opening a new orchard, plow and harrow the soil to expose it to the sun in clear weather; sunlight exposure can also kill root-knot nematodes.
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When should potassium fertilizer be applied to pineapple? Now is a good time
At present, pineapple winter fruit has entered the stage of rapid expansion, color change and ripening, and the demand for potassium fertilizer is large. If potassium fertilizer is supplied sufficiently at this time, the pineapple winter fruit can expand rapidly and ripen fully, with large fruit, regular fruit shape, plump fruit, clear and sweet flesh, plenty of juice, strong aroma, good coloring, golden peel, and good storage and transportation tolerance. Otherwise...
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What are the key technical points of fertilization management in pineapple plantations?
Mineral nutrients in the soil are the material basis for the vegetative growth and reproductive growth of pineapple plants. Soil fertility, the amount of fertilizer applied, fertilizer quality, and fertilization techniques are among the important factors that directly affect the normal growth of pineapple plants and the achievement of high and stable yields. Pineapple is a perennial herbaceous fruit tree planted once and harvested for 2-3 crops...
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What conditions are needed to establish a pineapple orchard?
During the growth and development of pineapple, irrigate once every 15 days with a 300-fold potassium dihydrogen phosphate aqueous solution, for 8 to 10 consecutive times, applying 1.5 to 2 kg per plant each time, pouring it into the funnel-shaped crown at the top of the pineapple plant, so that the potassium dihydrogen phosphate aqueous solution flows along the leaf axils to the soil around the roots. In this way, the pineapple plants grow robustly, with large leaves...
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What are the common pests and diseases of pineapple? A detailed guide to prevention and control methods
What pests and diseases of pineapple need to be prevented? Please introduce the following pests and diseases that need to be controlled during pineapple cultivation: wilt disease. After the plant is affected, the leaves become soft and droop, the leaf color changes from pale green to red, the base rots, and finally the whole plant dies. This disease is caused by damage from mealybugs. Prevention and control methods: first, strictly take care not to use diseased seedlings for propagation.
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Control methods for pineapple stem borers and termites
How to control stem borers and termites in pineapple? Please give some advice. For pineapple stem borers and termites, you can refer to the following control methods: When rice straw or wheat straw is used as mulch in pineapple plantations, stem borers often cause damage, biting and eating the heart leaves and young stems of pineapple. You can spray a 500-800 times diluted dimethoate solution for control. Termites near...
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How to fertilize pineapple plants? A full breakdown of methods and techniques
How should pineapple be fertilized? Please give guidance. For fertilizing pineapple, you can refer to the following methods: 1. Base fertilizer: it is the material foundation for ensuring good plant growth after planting, and requires a large amount of fertilizer, complete elements, high concentration, and balanced proportions. Use barnyard manure, compost, farmyard mixed fertilizer, fermented and processed garbage fertilizer, green manure, cake fertilizer...
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What are the control methods for pineapple seedling heart rot?
How do you control pineapple seedling heart rot? Please give guidance. Pineapple seedling heart rot causes the heart of the seedling to rot and the plant to die. It is mainly caused by heat build-up from piling or by waterlogging. Control methods: avoid piling seedlings for too long, especially during long-distance transport, where piling should be minimized as much as possible to prevent heat, high humidity and poor ventilation from causing heat damage to the seedlings....
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Detailed Explanation of Pineapple Cultivation Methods and Technical Key Points
How should pineapples be planted? Please explain in detail. Pineapple, also known as fengli, English name Pineapple, belongs to the Bromeliaceae family, Ananas genus. It is a perennial monocotyledonous herbaceous plant that grows on the ground. The fruit is a collective fruit formed by the aggregation of many small fruits, generally weighing 1--1.5 kg. Pineapple is a tropical fruit, native to Central and South...
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