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How should jujube fruit drop in summer and autumn be prevented?
How to prevent jujube fruit drop in summer and autumn? Please explain the methods. Summer and autumn are the critical periods for jujube fruit growth and development, and also the peak periods for the breeding and spread of various pests and diseases. In the high-temperature season, while jujube leaves release tree heat through transpiration, they can easily cause the fruit to crack. To prevent fruit cracking, the tree must be provided with a large amount of...
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What to do when gardenia is harmed by scale insects? A few tricks to easily prevent and control them
Gardenia flowers are pure white with a rich fragrance, deeply loved by flower growers. But growers often find that their gardenias are constantly attacked by scale insects. Scale insects lay their eggs in the soil, and their larvae are mostly snow-white willow...
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How to prevent and control asparagus stem blight? Detailed explanation of control methods
How to prevent and control asparagus stem blight? Please introduce the methods. Asparagus stem blight can be prevented and controlled by referring to the following methods: 1. When planting asparagus, choose flat, fertile sandy loam land that can be irrigated and drained. 2. Promptly and thoroughly handle diseased plant residues. Overwintering stalks must all be dealt with before "Spring Equinox"; diseased branches should be removed promptly;...
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Control and Prevention Methods for Common Potato Diseases
How to control and prevent common potato diseases? Please give guidance. Common potato diseases include the following: A. Potato late blight. 1. Prevention: choose protective fungicides, such as Dashengfu (mancozeb suspension concentrate produced by Dow AgroSciences), Bibei (Bordeaux mixture). The key techniques for preventive fungicides...
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How to prevent and remedy the aging of rose plants?
Symptoms: It mainly harms flowers, leaves and young shoots. At first, water-soaked small spots appear on the petals, or the tips and edges of the petals turn brown, then rapidly expand, wilt and rot, and finally the whole flower turns brown and withers. Under humid conditions, a gray-green mold-like substance can be seen, namely the conidiophores and conidia of the pathogen. Disease characteristics...
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How to prevent fruit cracking in Feizixiao lychee? A detailed guide to practical control methods
How to prevent fruit cracking in Feizixiao lychee? Which methods work well? To prevent fruit cracking in Feizixiao lychee, you can refer to the following methods for control: 1. Root cutting and girdling: In the later stage of fruit development, using root cutting and girdling of the main branches to weaken root activity is very effective at reducing fruit cracking. But the measures must be timely and appropriate; if excessive...
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How to Treat Potato Early Blight? A Detailed Guide to Prevention and Control Methods
How to treat potato early blight? Please explain the methods. Early blight control is mainly based on chemical fungicides, with protective fungicides applied as sprays. Before the disease appears, 75% mancozeb water-dispersible granules can be used at 180-200 grams per mu, sprayed once every 7-10 days for 3-4 consecutive applications. Antaisheng (propineb) and similar fungicides can also be used...
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How to prevent and treat porcine reproductive and respiratory syndrome? A detailed practical plan
Prevention and treatment plan for porcine reproductive and respiratory syndrome
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How to Prevent and Control Zucchini Flower Rot? A Full Breakdown of Practical Methods
How to prevent and control zucchini flower rot? What methods can effectively prevent and control it? Zucchini flower rot can be prevented and controlled using the following methods: Environmental regulation: First, reduce humidity. Zucchini flower rot occurs easily in low-temperature, humid greenhouse environments, so environmental regulation should focus mainly on heat preservation and humidity reduction. Since the fruiting period of zucchini...
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Prevention and Control Methods and Technical Key Points for Flower and Fruit Drop in Zucchini
How to prevent and control flower and fruit drop in zucchini? Please advise on methods. Flower and fruit drop in zucchini can be prevented and controlled by referring to the following methods: Strictly control temperature. During the flowering and fruiting period of zucchini, keep the temperature inside the greenhouse at around 26°C during the day and no lower than 15°C at night. Remove and cover the straw curtains in a timely manner. Remove and cover the straw curtains in a timely manner to extend...
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