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Control Methods for Powdery Mildew in Goji Berry Cultivation
[Symptom Characteristics] Mainly affects leaves. The leaf surface becomes covered with white mold patches (early stage) and powdery spots (later stage). These white mold patches and powdery spots are both the symptoms of this disease and the signs of this disease (the fungus's conidiophores and conidia). In severe cases, the goji berry plant appears entirely white,
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What are the pest and disease control methods for yam cultivation
Yam has strong disease resistance and rarely gets sick, but in recent years anthracnose sometimes occurs, causing stem blight and leaf drop. Generally before sowing, soak the seeds with 50% carbendazim wettable powder 1000-1200 times dilution, or dip the wounds of yam planting sets in dry plant ash, or place
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How to prevent and control onion neck rot? Understanding the disease development pattern is key
1. Symptoms and characteristics: It mostly occurs during the maturity or storage period of onion bulbs. Besides onions, it can also infect other allium vegetables. If infected during the growing period, light brown lesions mainly appear on the leaf sheaths and the neck of the bulb, the internal tissue rots, and gray mold
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How to Prevent and Control Raspberry Crown Gall Disease? A Full Analysis of Practical Methods
In recent years, raspberries introduced from abroad have suffered fairly severe crown gall disease during cultivation. Crown gall disease occurs mainly at the root crown, and sometimes is also scattered on lateral roots and branch roots. The diseased part is initially milky white, smooth and soft, and later gradually turns brown to dark brown, with a hard texture
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Control Methods and Technical Key Points for the Lychee Stink Bug
The lychee stink bug (Tessaratoma papillosa), belonging to Hemiptera, Pentatomidae, is a major pest of longan in our region. Both adults and nymphs pierce and suck the sap of tender shoots, flower clusters and young fruit; the damaged parts become discolored and dry up, causing flower and fruit drop. When disturbed, the foul liquid it emits touches tender leaves, flowers and fruit
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How to control the grape clearwing moth? Timely prevention and control is needed when growing grapes
In recent years, the grape clearwing moth has occurred in many vineyards and courtyard grapes in Xuzhou, mainly damaging grape vines, causing reduced yields and even the death of entire plants. The grape clearwing moth damages young grape shoots and 1-2 year old vines with its larvae. The young larvae bore into the tender shoots and feed on the pith, causing
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What are the key technical points for post-harvest pest and disease control in loquat?
Currently, most loquat fruit has been harvested. In addition to strengthening fertilizer and water management, pest and disease control is also an important prerequisite for ensuring whether the fruit trees can grow and develop normally and flower and bear fruit later. The main pests and diseases after loquat harvest include leaf spot disease, pear psylla, mites, aphids, etc.,
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How to prevent and control grape black pox disease? Key points for disease prevention when growing grapes
Grape black pox disease is also known as scab and bird's eye disease. Common names include toad's eye, liulong, and black spot. This disease is an important disease of grapes. It generally begins to occur in mid-to-late April, with the peak period from mid-to-late May to early June, and it is severe in rainy seasons. Throughout Shanxi Province
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Control Methods for Green Mold Disease in Ganoderma lucidum Cultivation
Green mold (Trichoderma viride Pers. ex Fr.) belongs to the subphylum Deuteromycotina, class Hyphomycetes, order Moniliales, family Moniliaceae, genus Trichoderma. 1. Morphological characteristics: The hyphae are slender, colorless, septate, and much branched. Conidiophores arise from lateral branches of the hyphae, opposite or alternate, generally with
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How to prevent and control gray leaf spot when growing Isatis indigotica
Symptoms: On both sides of the leaves of affected Isatis indigotica, round lesions form, 2-6 cm in diameter, slightly sunken, grayish-white in the center, with brown edges. In the later stage, the lesions become thin and brittle, crack or perforate; when moist, a brown mold-like growth appears on them, which consists of the pathogen's conidiophores and conidia. Old
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