Common pest control methods for medicinal plants
2019-06-11 20:03:39
The pests of medicinal plants are numerous and harmful, and the prevention and control of insect pests is an important measure to ensure and increase the yield and quality of medicinal materials. At the moment of spring and summer, it is the most active stage of various insect pests. The common pests and their prevention and control methods for the cultivation of Chinese herbal medicines are now described as follows:
Locusts occur from April to September, and pests from April to June are severe. Before and after the establishment of the “summer seasonâ€, especially on rainy days, the spread is faster. It is of many different types and shapes. It has yellow, green, black, brown, gray and other colors. When it is infested, it gathers in the tender and juicy parts of the leaves and stems. It causes the leaves and growing points to curl up, and the growth stops. Yellow and dry. There are many medicinal plants that are harmed by locusts, and almost all medicinal plants are endangered.
Control methods: Weeds are thoroughly removed to reduce their chances of migration; in the occurrence period, 40% dimethoate can be used to dilute 1000- to 1500-fold dilutions or quebrachosol (MIZL) 1000- to 1500-fold dilutions. Spray it several times until it kills.
Scale insects: There are two kinds of powder oyster shells and wax beetles, it is necessary to endanger the thirty-seven other herbs. It usually begins in June of each year. After heavy rain, stems and stems are harmed from the ground; after July, the flower axis and petioles are harmed; from August to October, the damage is serious. The worms attached to stems, flower shafts, and small flower shafts sucked juice. After being damaged, the plants grew poorly and the flowers wilted. In severe cases, dried flowers and small fruits were dried and shed.
Control methods: 1Insect pest occurrence period, strengthen inspection, found that the plant body has insect body promptly to pinch insects; 2Insect pests in Sanqi Park, in the young period of the scale insects use multiple Lingling 600-800 times dilution Liquid spray killing; 3 When severe pests occur, spray 1000 times diluted solution of dichlorvos on the affected plants and worms, spray once every 5 days to 7 days, and spray 3 times continuously.
Tigers: also known as silkworm, cut silkworm, occurred in wet and humid April to June. The larvae feed on the stems and leaves, bite off the tender stems, resulting in the lack of seedlings and ridges; after a bit of a big time, they drill into the soil and go out at night to feed on the young roots and fine seedlings and destroy plant growth. There are many medicinal plants that are harmed, such as alfalfa, Chinese angelica, Atractylodes macrocephala, Campanulaceae, habitat, and yam.
Control methods: Manure must be kept under high temperature, fully cooked before application; from late March to early April eradicate weeds on the ground, remove dead leaves and eliminate overwintering larvae and pupae; use 75% phoxim EC as seeds 0.1 % seed dressing; inspect the damaged seedlings before sunrise and excavate to kill; when the damage is severe, use 75% phoxim 700 times solution for hole irrigation, or spray 90% trichlorfon 600 times.
Tianniu: adults emerged in May, laid eggs in the epidermis on the top of the branches, the larvae first move in the epidermis, after drilling into the xylem, feeding to the base, after the autumn drilled to the stem base or root overwintering. After the plants are victimized, they gradually wilted, wilted, and even died.
Control methods: When the adult is unearthed, 80% trichlorfon is used to percolate the flower pier; at the spawning stage, spray 50% phoxim EC 600 times, or 50% phosphine every 7 days to 10 days. Emulsion 1500 times liquid, several times in succession; found pests, cut and burned; 80% of the dip oil immersed in the raw cotton into the worm hole, sealed with mud, killing larvae; or insert a new worm hole wire assassination.
Red spider: From July to August, the high-temperature and dry climate is favorable for its reproduction; there are many types, and the body is tiny and red, mostly concentrated on the back of the plant to absorb juice. The damaged leaves are red-yellow in the early stages, and when the latter is severe, the whole leaves are dry and the flowers and young fruits are also affected. The pest has a very high fertility and there are many harmful medicinal plants, such as Panax pseudoginseng, Angelica sinensis, habitat, oyster shell, safflower, and Chuanxiong.
Control methods: During the occurrence period, 50% triclosan 1500-fold dilution or 25% insecticidal 200-300 dilution can be used to spray, and 40% dimethoate 1500-fold dilution can also be sprayed.
Axillaris moth: From early July to early August, the larvae first entered the twigs, and after a bit more, they turned to the coarse branches and the main branch tips, often twitching the branches and causing dark brown areas around them, resulting in severed upper parts. The school dies.
Control methods: hung black light to trap adult worms; remove pests in time and concentrate burned; spray with 90% trichlorfon 800 times, once every 7 days, 3 times in a row.
Wormwood: Born from 4th to 5th generation throughout the year, the larvae penetrate into the leaves, roots, stems, and buds of the plants; it seriously affects the yield and quality.
Control methods: During the prosperous period of the adult, choose the light to kill with no wind at night; the egg stage and the larvae before the end of incubation are sprayed with 90% trichlorfon 500 times or 40% omethoate EC 3000 times.
Thorn moth: Also known as itchy pepper, from early June to September, larvae harm the leaves and bite into holes. The first instar larvae have colony and severe damage can cause saplings to die. Adult moths have phototaxis.
Control methods: in winter and spring to dig insects; spore content of 10 billion / g powder 500 times.
Huang Shougua: Harms leaves, buds and roots. The larvae endanger the roots in the soil and cause the underground parts of plants to die; adults bite the leaves and affect growth.
Control methods: In May, when adults lay eggs quickly, use 5kg of chaff and sawdust, mix diesel with 0.5kg, spread around the plants to prevent adulthood from spawning. In the morning, kill adult animals by hand and when adults become harm, spray 90% of the enemy. Insects 1000-2000 dilution or 80% dichlorvos 1000-1500 times.
蛴螬: The southern name is Laojiao, the northern name is Walnut, and its adult is called chafer. Adults and larvae can all be harmed, and larvae are the most serious. Larvae are common underground pests, which mainly eat biting roots and underground stems and also bite on the stems of the ground. Adults mainly harm the aerial parts. There are many medicinal plants that are harmful to the insects, such as Ophiopogon japonicus, Chinese yam, Achyranthes bidentata, Angelica, Codonopsis pilosula, Salvia miltiorrhiza, Ginseng, heterophylla, Fritillaria, and safflower.
Control methods: 1 At night with light trapping adult; 2 during the occurrence of 90% trichlorfon 1000 times or 50 ~ E605 EC 1000 times dilution watering the cave; 3 with 25 grams of chlordane EC fried bran 5 kg plus A suitable amount of water was dubbed as a poison bait, and it was stalked and killed near the plants in the evening.
Thrips: The adults and larvae damage the stems and leaves of medicinal herbs such as Morinda officinalis, and the damage is severe during autumn drought, mainly sucking the sap from the leaves and stems, which affects the growth. In severe cases, the young stems and leaves are shriveled and dried, and the old leaves are irregularly curled. Finally, the plants gradually dry and cause the roots to rot.
Control methods: In the onset period, use 40% dimethoate, or 50% phoxim 1500-fold dilution or 25% imthiophos-phosphate 1000 dilution, spray once every 20 days, and spray 3 times continuously.
D. gondii: the peak of damage in spring and autumn, with the most serious in spring. Harm the aerial part of the plant, feed on the germinating seeds, endanger the roots, cause the lack of seedlings, root rot and dead plants.
Control methods: Use 250 ml of 50% phoxim EC and pour water into the water hole. Use 500 kg/mu of liquid.
The beetle insects: During the young plant stage, the insects are silky and wrinkled and endanger the stem tips, young leaves and so on.
Control methods: During the occurrence period, use 50% dimethoate emulsion 1000 times spray (preferably in sunny afternoon), once every 2 days, 3 times in a row.
蟋蟀: From April to May, a hole is often left at night, breaking the shoots and shoots, causing severe seedlings.
Control methods: fill the hole with 800 times liquid of trichlorfon, and then use the mud to seal the hole. You can also use fresh leaves to enclose a small amount of trichlorfon powder plug hole to kill well.
Excerpted from: 2005.6.15.6 "China Traditional Medicine" If it refers to fresh vegetables just picked from the vegetable fields, this statement has no problem. But the fact is that most of the vegetables we eat are not as fresh, but are usually stored for several days, and their vitamins are gradually lost during storage. On the contrary, ultra-low-temperature fast-frozen vegetables can maintain more vitamins, because the quick-frozen vegetables after picking, can well prevent the loss of vitamins.
Locusts occur from April to September, and pests from April to June are severe. Before and after the establishment of the “summer seasonâ€, especially on rainy days, the spread is faster. It is of many different types and shapes. It has yellow, green, black, brown, gray and other colors. When it is infested, it gathers in the tender and juicy parts of the leaves and stems. It causes the leaves and growing points to curl up, and the growth stops. Yellow and dry. There are many medicinal plants that are harmed by locusts, and almost all medicinal plants are endangered.
Control methods: Weeds are thoroughly removed to reduce their chances of migration; in the occurrence period, 40% dimethoate can be used to dilute 1000- to 1500-fold dilutions or quebrachosol (MIZL) 1000- to 1500-fold dilutions. Spray it several times until it kills.
Scale insects: There are two kinds of powder oyster shells and wax beetles, it is necessary to endanger the thirty-seven other herbs. It usually begins in June of each year. After heavy rain, stems and stems are harmed from the ground; after July, the flower axis and petioles are harmed; from August to October, the damage is serious. The worms attached to stems, flower shafts, and small flower shafts sucked juice. After being damaged, the plants grew poorly and the flowers wilted. In severe cases, dried flowers and small fruits were dried and shed.
Control methods: 1Insect pest occurrence period, strengthen inspection, found that the plant body has insect body promptly to pinch insects; 2Insect pests in Sanqi Park, in the young period of the scale insects use multiple Lingling 600-800 times dilution Liquid spray killing; 3 When severe pests occur, spray 1000 times diluted solution of dichlorvos on the affected plants and worms, spray once every 5 days to 7 days, and spray 3 times continuously.
Tigers: also known as silkworm, cut silkworm, occurred in wet and humid April to June. The larvae feed on the stems and leaves, bite off the tender stems, resulting in the lack of seedlings and ridges; after a bit of a big time, they drill into the soil and go out at night to feed on the young roots and fine seedlings and destroy plant growth. There are many medicinal plants that are harmed, such as alfalfa, Chinese angelica, Atractylodes macrocephala, Campanulaceae, habitat, and yam.
Control methods: Manure must be kept under high temperature, fully cooked before application; from late March to early April eradicate weeds on the ground, remove dead leaves and eliminate overwintering larvae and pupae; use 75% phoxim EC as seeds 0.1 % seed dressing; inspect the damaged seedlings before sunrise and excavate to kill; when the damage is severe, use 75% phoxim 700 times solution for hole irrigation, or spray 90% trichlorfon 600 times.
Tianniu: adults emerged in May, laid eggs in the epidermis on the top of the branches, the larvae first move in the epidermis, after drilling into the xylem, feeding to the base, after the autumn drilled to the stem base or root overwintering. After the plants are victimized, they gradually wilted, wilted, and even died.
Control methods: When the adult is unearthed, 80% trichlorfon is used to percolate the flower pier; at the spawning stage, spray 50% phoxim EC 600 times, or 50% phosphine every 7 days to 10 days. Emulsion 1500 times liquid, several times in succession; found pests, cut and burned; 80% of the dip oil immersed in the raw cotton into the worm hole, sealed with mud, killing larvae; or insert a new worm hole wire assassination.
Red spider: From July to August, the high-temperature and dry climate is favorable for its reproduction; there are many types, and the body is tiny and red, mostly concentrated on the back of the plant to absorb juice. The damaged leaves are red-yellow in the early stages, and when the latter is severe, the whole leaves are dry and the flowers and young fruits are also affected. The pest has a very high fertility and there are many harmful medicinal plants, such as Panax pseudoginseng, Angelica sinensis, habitat, oyster shell, safflower, and Chuanxiong.
Control methods: During the occurrence period, 50% triclosan 1500-fold dilution or 25% insecticidal 200-300 dilution can be used to spray, and 40% dimethoate 1500-fold dilution can also be sprayed.
Axillaris moth: From early July to early August, the larvae first entered the twigs, and after a bit more, they turned to the coarse branches and the main branch tips, often twitching the branches and causing dark brown areas around them, resulting in severed upper parts. The school dies.
Control methods: hung black light to trap adult worms; remove pests in time and concentrate burned; spray with 90% trichlorfon 800 times, once every 7 days, 3 times in a row.
Wormwood: Born from 4th to 5th generation throughout the year, the larvae penetrate into the leaves, roots, stems, and buds of the plants; it seriously affects the yield and quality.
Control methods: During the prosperous period of the adult, choose the light to kill with no wind at night; the egg stage and the larvae before the end of incubation are sprayed with 90% trichlorfon 500 times or 40% omethoate EC 3000 times.
Thorn moth: Also known as itchy pepper, from early June to September, larvae harm the leaves and bite into holes. The first instar larvae have colony and severe damage can cause saplings to die. Adult moths have phototaxis.
Control methods: in winter and spring to dig insects; spore content of 10 billion / g powder 500 times.
Huang Shougua: Harms leaves, buds and roots. The larvae endanger the roots in the soil and cause the underground parts of plants to die; adults bite the leaves and affect growth.
Control methods: In May, when adults lay eggs quickly, use 5kg of chaff and sawdust, mix diesel with 0.5kg, spread around the plants to prevent adulthood from spawning. In the morning, kill adult animals by hand and when adults become harm, spray 90% of the enemy. Insects 1000-2000 dilution or 80% dichlorvos 1000-1500 times.
蛴螬: The southern name is Laojiao, the northern name is Walnut, and its adult is called chafer. Adults and larvae can all be harmed, and larvae are the most serious. Larvae are common underground pests, which mainly eat biting roots and underground stems and also bite on the stems of the ground. Adults mainly harm the aerial parts. There are many medicinal plants that are harmful to the insects, such as Ophiopogon japonicus, Chinese yam, Achyranthes bidentata, Angelica, Codonopsis pilosula, Salvia miltiorrhiza, Ginseng, heterophylla, Fritillaria, and safflower.
Control methods: 1 At night with light trapping adult; 2 during the occurrence of 90% trichlorfon 1000 times or 50 ~ E605 EC 1000 times dilution watering the cave; 3 with 25 grams of chlordane EC fried bran 5 kg plus A suitable amount of water was dubbed as a poison bait, and it was stalked and killed near the plants in the evening.
Thrips: The adults and larvae damage the stems and leaves of medicinal herbs such as Morinda officinalis, and the damage is severe during autumn drought, mainly sucking the sap from the leaves and stems, which affects the growth. In severe cases, the young stems and leaves are shriveled and dried, and the old leaves are irregularly curled. Finally, the plants gradually dry and cause the roots to rot.
Control methods: In the onset period, use 40% dimethoate, or 50% phoxim 1500-fold dilution or 25% imthiophos-phosphate 1000 dilution, spray once every 20 days, and spray 3 times continuously.
D. gondii: the peak of damage in spring and autumn, with the most serious in spring. Harm the aerial part of the plant, feed on the germinating seeds, endanger the roots, cause the lack of seedlings, root rot and dead plants.
Control methods: Use 250 ml of 50% phoxim EC and pour water into the water hole. Use 500 kg/mu of liquid.
The beetle insects: During the young plant stage, the insects are silky and wrinkled and endanger the stem tips, young leaves and so on.
Control methods: During the occurrence period, use 50% dimethoate emulsion 1000 times spray (preferably in sunny afternoon), once every 2 days, 3 times in a row.
蟋蟀: From April to May, a hole is often left at night, breaking the shoots and shoots, causing severe seedlings.
Control methods: fill the hole with 800 times liquid of trichlorfon, and then use the mud to seal the hole. You can also use fresh leaves to enclose a small amount of trichlorfon powder plug hole to kill well.
Excerpted from: 2005.6.15.6 "China Traditional Medicine" If it refers to fresh vegetables just picked from the vegetable fields, this statement has no problem. But the fact is that most of the vegetables we eat are not as fresh, but are usually stored for several days, and their vitamins are gradually lost during storage. On the contrary, ultra-low-temperature fast-frozen vegetables can maintain more vitamins, because the quick-frozen vegetables after picking, can well prevent the loss of vitamins.
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