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How to Control Termites in Ganoderma lucidum Cultivation? Detailed Methods
Termites, also called white ants, belong to the order Isoptera, family Termitidae. Termites occur mainly in hilly and mountainous areas, and are less common in plain areas. Termites are a large family, most abundant in tropical and subtropical regions. In the cultivation of Ganoderma lucidum and other edible fungi, ants mainly bore into and feed on log segments. Damage characteristics: termites bore into and feed on log segments, causing the bark and wood of the log segments to separate, inhibiting the growth of Ganoderma lucidum mycelium and the formation of fruiting bodies. This in turn reduces Ganoderma lucidum yield. Morphological characteristics: winged adults are 27-29.5 mm long, with a wingspan of 45-50 mm, head
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Identification and Control Methods of Paecilomyces lucidus Disease
Paecilomyces belongs to the subphylum Deuteromycotina, class Hyphomycetes, order Hyphomycetales, family Hyphomycetaceae, genus Paecilomyces. The species commonly found in production is Paecilomyces variotii (p.varictBainier). 1. Morphological characteristics: The hyphae are white, transparent, and septate. The colony is earthy yellow and is often mistaken for Aspergillus flavus, commonly called yellow mold by mushroom growers. Conidiophores arise from aerial hyphae or cord-like hyphae; the phialides are slender and elongated, swollen at the base, tapering to a pointed tip, often curved, single to broom-like branched. Conidia are short cylindrical to long elliptical, smooth
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Symptoms and Control Methods of Aspergillus Disease in Lingzhi (Ganoderma lucidum)
Aspergillus belongs to the Deuteromycotina, Hyphomycetes, Moniliales, Moniliaceae, genus Aspergillus. There are many species of Aspergillus, and the most widespread harmful ones are Aspergillus flavus (A. flavus Link) and Aspergillus niger (A. niger Van Tieghem). 1. Morphological characteristics: The hyphae are colorless, septate and branched, shorter and thicker than those of Mucor. The conidiophores arise from specialized thick-walled swollen foot cells of the hyphae, unbranched, with the apex swelling into a vesicle. The surface of the vesicle produces radial
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Identification and Control Methods for Dactylium cobweb disease in lingzhi (Ganoderma)
DactyliumdendroidesFries belongs to the subdivision Deuteromycotina, class Hyphomycetes, order Moniliales, family Moniliaceae, genus Dactylium. 1. Morphological characteristics: The hyphae are pure white and cottony. The conidiophores are slender and sparse, with whorled branches arranged in a radiating pattern. The conidia are oblong, colorless, borne at the tips of sterigmata, solitary or in small clusters, mostly with 4 cells. 2. Disease development pattern (1) Transmission route: Dactylium lives in soil and is widely distributed in soils rich in organic matter.
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What are the control methods for the wolfberry rust mite?
The wolfberry rust mite belongs to the family Eriophyidae. Swarms of mites densely cover the leaves and suck the sap, causing the leaves to turn rust-colored and drop early. Adult mites overwinter in bark crevices, bud axils and other places. The following year, after the wolfberry leaves unfurl in mid-April, they begin their damaging activity, and they begin laying eggs in late April. Late May to late June is the peak period of reproduction. After that, because the leaves turn rust-colored and the nutritional conditions deteriorate, the number of mites drops greatly. From late July to early August, new leaves emerge and a second reproduction peak appears. In mid-September reproduction slows, and after leaf fall in October the adult mites move to
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What are the control methods for goji aphids?
Goji aphids, also called green honey aphids or honey bugs, belong to the family Aphididae. They cluster on tender shoots, flower buds, green fruit and other parts, sucking sap; infested shoots curl and shrink, and growth stalls. In severe cases, the surface of goji leaves, flowers and fruit is entirely covered by aphid secretions, affecting photosynthesis, causing early defoliation and resulting in heavy yield losses. Goji aphids produce about 15 generations a year, overwintering as eggs in branch crevices and bud axils; the following year in late April they hatch into stem mothers, reproducing by parthenogenesis and viviparity, and winged aphids appear in the second and third generations, reproducing and spreading in the field, with 5
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Pollution-Free Control Methods and Technical Key Points for Edible Mushroom Diseases
In the process of edible mushroom production, as long as management is carried out according to the biological characteristics of the selected mushroom strain, physiological diseases will not occur. When infectious diseases occur, pesticides must be applied in accordance with pollution-free requirements, with prevention as the priority, and never use pesticides casually. Long-stemmed mushrooms and unopened caps are typical symptoms of oxygen deficiency, especially when semi-underground mushroom sheds are used for cultivation. This phenomenon occurs commonly, severely reducing mushroom quality and affecting production efficiency. Solution: strengthen ventilation management. In low-temperature seasons, open the ventilation openings and door between 10 AM and 2 PM.
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What are the control methods for common physiological diseases of edible fungi?
1. Mycelial overgrowth After inoculation of edible fungi, vegetative growth is excessive, and the fluffy mycelium grows densely. After casing soil is applied, it often "drills" out of the ground and forms a mycelial mat. This situation is related to the characteristics of the strain and environmental conditions. Low water content in the soil layer, excessively high nitrogen content in the compost, poor ventilation, and excessively high air humidity all easily cause mycelial overgrowth, producing the phenomenon of "mycelium emergence." Common control methods: select high-quality strains; pry loose and break up the hardened mycelial mat; cover with fine soil, increase ventilation, and lower relative air humidity; use heavy watering to promote mycelial
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Identification and Control Methods for Common Diseases of Edible Fungi
Brown rot, also known as white rot, wet bubble disease, etc. When diseased mushrooms are infected at a young stage, they cannot further differentiate and develop, and later form deformed mushrooms, often with a layer of "white fuzz" growing on the surface, which is the mycelium of the pathogen. When the temperature is above 20°C, over 4 to 5 days, the diseased mushrooms darken in color, then rot, exuding a brown (soy-sauce-like) liquid and becoming decayed and foul-smelling; below 20°C, this process takes longer. When the fruiting body is infected at the mid stage, brown lesions appear on the cap, the stipe becomes swollen and thick, and then the mushroom body softens. Cutting open the diseased mushroom reveals that its interior changes from white to grayish-white
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Identification and control methods for several common diseases of edible fungi
I. Causes of deformed mushrooms and measures to avoid them. Deformed mushrooms lower product grade and may even lose their commercial value, affecting the economic benefits of cultivation; this problem is widespread. Common deformed mushrooms include: caps tightly clasped and not opening, appearing "fist-shaped"; stipes long, thick and fleshy with small caps, appearing "vase-shaped"; caps sunken with cracked, outward-curling edges, appearing "broken-bowl-shaped"; caps narrow and long, appearing "ox-tongue-shaped"; caps with spots on the surface, appearing "pockmarked"; caps with swollen tumor-like protrusions in the center, appearing "belly-swollen"; two caps spreading side by side with stipes tightly joined, appearing "butterfly-shaped"; caps curved and uneven, appearing "wavy-edged"
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