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Control Methods for Penicillium Mold and Green Mold in Pomelo
Symptom characteristics: mainly affects fruit after harvest during storage and transport. The symptoms of the two diseases are similar, mostly starting from the stem end or wounds, initially appearing as light brown water-soaked spots. The lesions expand rapidly, the fruit softens and rots, and a layer of white mold grows on the lesion surface; later the white mold patches turn into green mold patches.
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Early defoliation of apricot trees can be effectively controlled with EM original solution
Editor's note: Zhou Jinlong from Dongniuzhuang Village, Guangzong County called to report that 4 years ago he introduced the "Zaohe" apricot variety from Julu County, and since last year he has seen defoliation during the growing season, and this year it is even more serious, with basically no fruit setting. He asked whether there is a good method to control early defoliation of apricot trees.
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Practical experience in pest control for apricot cultivation
Apricot kernel wasp: The larvae overwinter inside fallen apricot pits or inside apricot pits on branches. The female adult lays eggs between the pit shell and the kernel. The egg-laying hole on the fruit surface is not obvious, slightly grayish-green and sunken, and sometimes apricot gum flows from the egg-laying hole. The egg stage is about 10 days. The hatched larvae feed inside the pit.
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Control Methods for Four Pests in Hawthorn Cultivation
1. Peach fruit moth 1. Ground control: before the larvae emerge from the soil, spray the soil surface within the hawthorn tree drip line with chlorpyrifos diluted 1000 times, and spray once more at an interval of 15-20 days, which can effectively control the peach fruit moth. 2. Tree control: during its peak egg-laying period
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Control Methods for White Root Rot in Hawthorn Cultivation
Hawthorn white root rot is an important root disease of hawthorn trees in old hawthorn-producing areas and is the main cause of death of old and weak trees. I. Symptoms After infection, the roots are entangled with white to grayish-white silk-like nets, which are the pathogen's rhizomorphs, and a grayish-white thin downy substance is produced at the root crown area on the ground. Leaves become smaller and leaf margins scorch, and some or all of the small branches and large branches die back.
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Control methods for round spot root rot in hawthorn
Round spot root rot is one of the important causes of hawthorn tree death. 1. Symptoms: the fibrous roots first turn brown and die, and reddish-brown round lesions form around the base of the fibrous roots. In severe cases, the lesions merge, and the rot penetrates deep to the xylem, causing the entire root to turn black and die. 2. Transmission
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Control Methods for Chestnut Blight in Chestnut Cultivation
Chestnut blight, also known as chestnut dieback and canker, is a worldwide disease. Both seedlings and fruiting trees can be infected; in mild cases it reduces afforestation survival rates and yields, while in severe cases it causes afforestation failure or total crop loss of an entire chestnut grove. Xitaoyuan Forest Farm in Mingguang City
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Pest Control Methods in Chestnut Cultivation
1. Chestnut gall wasp The chestnut gall wasp, also called the chestnut gall wasp, has a dark brown head and abdomen in the adult stage, filiform brown antennae, and a swollen, jet-black thorax. It lays eggs in the buds from June to July, and the larvae grow and overwinter inside the buds. In spring, when the buds sprout and produce short shoots, the damaged branches or leaf stalks swell into
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Control Methods and Key Technical Points for Lemon Gummosis
Lemon is rich in amino acids, vitamins, various trace elements and other nutrients essential to the human body, making it an excellent health fruit for human consumption. Lemon has a wide range of practical value, and demand is growing ever larger, with broad market prospects; at present, lemon is a fruit in short supply on the international market
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How are pests and diseases prevented and controlled during lemon cultivation?
The main fungal diseases of lemon fruit during storage are: black rot, sour rot, stem-end rot, blue and green mold, and anthracnose; the main physiological diseases are: dry scar and edema. (1) Stem-end rot: divided into brown stem-end rot and black stem-end rot, their symptoms are similar, but brown stem-end rot
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