Pest control of ginseng

Introduction to Ginseng

Ginseng is a perennial herb of the Araliaceae family and the genus Panax ginseng. Up to 60 cm; rhizome short, main root fusiform; palmate compound leaves 3-6 whorled stem top, petiole 3-8 cm long, glabrous; leaflets 3-5, membranous, central leaflet elliptic or oblong-elliptic , 8-12 cm long, lateral leaflets ovate or rhombus-ovate, 2-4 cm long, apex long and acuminate, base broadly cuneate, with fine serrations, teeth with thorn tips, sparsely bristled above, no below Hairs, 5-6 pairs of lateral veins; petioles 0.5-2.5 cm long; umbel solitary stem top, with 30-50 flowers, peduncle 15-30 cm long; pedicel 0.8-1.5 cm long; flowers light yellowish green ; calyx with 5 denticles, glabrous; petals 5; filaments short; ovary 2-loculed, style 2, free; fruit oblate, bright red, 6-7 mm in diameter; seeds kidney-shaped, milky white.

Distributed in China, Russia and North Korea; distributed in eastern Liaoning, eastern half of Jilin and eastern Heilongjiang in China. Generally born in deciduous broad-leaved forests or mixed coniferous broad-leaved forests at an altitude of several hundred meters. Likes sandy loam with loose texture, good ventilation, good drainage and fertile nutrients; likes shade, cool and humid climate is beneficial to its growth; low temperature resistance, avoid strong direct sunlight, like scattered weak light.

The succulent root of ginseng is a strong tonic, suitable for adjusting blood pressure, restoring heart function, neurasthenia and physical weakness, etc. It also has the effects of expectorant, stomachic, diuretic, and exciting. The stems, leaves, flowers, fruits and processing by-products of ginseng are the raw materials of light industry, and can be processed into commodities such as tobacco, wine, tea, crystals, and pastes containing ginseng ingredients. Ginseng cultivation is an important project for farmers to diversify and can provide a lot of taxes and profits to the country.

Pest control of ginseng

Ginseng blight, ginseng spot disease, ginseng blight and ginseng sclerotinia are the most common diseases of ginseng. Ginseng blight mainly damages seedlings, which will cause the seedlings to break and die. You can mix 0.01-0.015 kg of 50% carbendazim wettable powder into a soil layer of 3-5 cm deep for disinfection and prevention. Once the disease occurs, remove it immediately to prevent and spread. Ginseng spot disease mainly damages the leaves, and in severe cases, the leaves will fall off. In the early stage of leaf expansion, polyantimycin can be sprayed, and in the later stage, Bordeaux mixture, pro-hydantoin or imidazolium can be used alternately. Ginseng blight mainly damages the leaves and roots. Once the diseased plants are found, they should be removed immediately, and 500 times of 70% dixon solution should be used for disinfection treatment, and the water should be drained in time. preferably after a heavy rain). Ginseng sclerotinia mainly damages the roots. After the damage, the roots will rot. You can use sclerotin or promethine wet powder to dress the seeds. If the diseased plants are found, they should be removed in time and disinfected with quicklime.

The main pests of ginseng are: grubs, cutworms, mole crickets, needle insects and so on.

Control methods: high-temperature composting of manure; light trapping and killing of adults; poisonous bait trapping; seed dressing with 75% phoxim EC at 0.1% of the seed amount for prevention; irrigated with 90% dichlorphine 1000 times liquid during the disease period.