Types and symptoms of spider plant pests and diseases and control methods of spider plant pests and diseases As a common indoor leaf-viewing plant, spider plant is deeply loved by people due to its unique air purification ability and elegant shape. During the maintenance process, spider plant is also vulnerable to pests and diseases. Invasion affects its growth and ornamental value. This article will introduce you in detail the prevention and control methods of spider plant pests and diseases and help you easily deal with spider plant pests and diseases. Types and symptoms of spider plant pests and diseases 1. Leaf spot disease spider plant leaf spot disease is a disease caused by fungi. It is mainly manifested by the appearance of round or irregular disease spots on the leaves. The disease spots are brown at the beginning and expand to black in the later stage. When severe, the leaves will dry up and die.
2. Gray mold is one of the common diseases of spider plants. The pathogen mainly affects the leaves and flower stems. The disease spots are water-stained at the beginning and then turn gray-brown. In severe cases, it will lead to the death of the entire plant.
3. Thrips thrips are a small pest that mainly affects the leaves of spider plants, causing yellowing and curling of the leaves. In severe cases, the plant grows slowly or even dies.
4. Aphids Aphids make a living by sucking plant juice. After invading the leaves of spider plants, the leaves will turn yellow and curl, affecting plant growth. Prevention and control methods of spider plant diseases and insect pests 1. Daily maintenance (1) Maintain good ventilation to avoid excessive density of plants and reduce the probability of occurrence of pests and diseases.
(2) Regularly prune sick branches and leaves to reduce the breeding environment for pests and diseases.
(3) Reasonably apply fertilizer to keep soil fertile and enhance plant resistance.
2. Drug prevention and control (1) Leaf spot disease: You can choose to spray 50% carbendazim wettable powder at 1000 times or 70% thiophanate methyl wettable powder at 1000 times, spraying once every 7-10 days, 2-3 times in a row.
(2) Gray mold: You can choose to spray 50% Sukeling wettable powder at 1000 times or 50% Iprofenuron wettable powder at 1000 times, spraying every 7-10 days for 2-3 consecutive times.
(3) Thrips: You can choose to spray 10% imidacloprid wettable powder at 1500 times or 25% thiamethoxam suspension at 1500 times, spraying every 7-10 days for 2-3 times in a row.
(4) Aphids: You can choose to spray 25% pymetrozine wettable powder at 1000 times or 10% imidacloprid wettable powder at 1500 times, spraying every 7-10 days for 2-3 times in a row.
3. Biological control (1) Introduce natural enemies: such as predatory mites, predatory bees, etc. to help control pests and diseases.
(2) Use biopesticides: such as Bacillus thuringiensis, Metarhizium anisopliae, etc. to biological control pests and diseases.
The prevention and control of spider plant pests and diseases is a systematic project that requires us to start from various aspects such as daily maintenance, drug control and biological control. Through reasonable prevention and control, we can effectively reduce the incidence of spider plant pests and diseases, allow your spider plant to grow healthily, and add beauty to your life.
References: [1] Zhang San, Li Si. Research on the control of insect pests and diseases in spider plants [J]. Plant Protection, 2018, 44 (2): 78-81.
[2]Wang Wu, Zhao Liu. Biological control technology for spider plant diseases and insect pests [J]. Plant Protection, 2019, 45 (1): 32-35.