shoot blight Learn more about shoot blight
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What is the control method of shoot blight of Larix principis-rupprechtii?
Larix principis-rupprechtii shoot blight is a serious disease in Larix principis-rupprechtii forest and one of the forestry quarantine pests in China, so what is the control method of Larix principis-rupprechtii shoot blight? 1. Symptoms of Larix principis-rupprechtii shoot blight the disease only occurred in the new year.
2020-11-09 North China Larix gmelinii withered shoot disease control method what is it -
Control of gum blight on the shoot of planted mango
The gummy disease of mango shoot mainly harms the shoot and trunk, causing it to wither, but it can also harm seedlings and fruits. Most of the damage to the seedlings appeared dark-brown necrotic spots from the bud contact or wound, which quickly developed up and down, resulting in scion necrosis. Damage to trunk or shoot, cortex
2020-11-08 Species mango shoot blight glue flow disease control gum flow -
How to control rotten head blast (black blight) by planting mulberry trees?
How to control rotten head blast (black blight) by planting mulberry trees? Please give guidance on mulberry bacterial black blight, commonly known as "rotten head plague", is one of the serious mulberry diseases. Symptoms: ① black blight bud, the first bud of the disease lost luster and died sharply; ② shoot stem rot. Black rot appears on the stem of the new shoot, and part of the phloem.
2018-07-18 -
How to prevent and cure asparagus stem blight?
How to prevent and cure asparagus stem blight? Please introduce the methods of asparagus stem blight control can refer to the following methods: 1. Planting asparagus should choose sandy soil that is flat, fertile, irrigated and capable of drainage. 2. Timely and thorough treatment of the disabled body, overwintering straw must be disposed of before "the Spring Equinox"; diseased branches must be removed in time.
2018-09-09 -
How does asparagus cultivation prevent stem blight?
What harm does stem blight do to asparagus? How does asparagus cultivation prevent stem blight? Asparagus stem blight is a widespread and devastating disease known as asparagus cancer, which often causes large-scale destruction in the rainy season in summer.
2018-07-17 -
Control of main Diseases in shoot and Stem of Tea Plant
In order to effectively control tea plant diseases and insect pests, reduce pesticide residues in tea and improve tea quality, the main tea diseases and their control are introduced as follows. First, harmful symptoms 1. Tea bud blight: after the tea tree is susceptible to the disease, the bud growth is obviously hindered, affecting the yield and quality of spring tea, mainly harming one bud and three leaves of spring tea, first producing light yellow or yellowish brown disease spots on the leaf tip or leaf edge, showing irregular shape after expansion, the edge of the disease is obvious or not obvious; the bud tip is damaged in the shape of dark brown scorch, and the atrophy can not be extended.
2019-01-16 -
Control of fig blight
Phytophthora carica is an important disease of fig in suburbs in recent years, which occurs widely and causes serious damage. In epidemic years, 80%-90% of fruits can be damaged and rotted, and a large number of branches and leaves wither. The disease mainly damages fruits, shoots and leaves, and can also damage buds.
2020-11-08 species fig blight control yes in recent years -
Harm and control of asparagus diseases and insect pests
In recent years, with the continuous expansion of asparagus planting area, the damage degree of asparagus disease has become more and more serious, which has caused a lot of losses to the majority of bamboo shoot farmers. Asparagus diseases mainly include: stem blight, root rot, brown spot, stem blight, shoot blight and so on. The common diseases and control measures in the growth process of asparagus are introduced as follows: 1.
2018-09-13 -
How to prevent and cure mulberry rotten head blast
Mulberry bacterial black blight, commonly known as "rotten head blast", is one of the serious mulberry diseases. Symptoms: ① black blight bud, the first bud of the disease lost luster and died sharply; ② shoot stem rot. Black rot appeared in the stem of the new shoot, necrosis of phloem and xylem in part, and rotten head of ③. After the top bud leaf is infected with disease, the growth point.
2018-09-10 -
Stem blight becomes the cancer of asparagus how to control asparagus stem blight
Stem blight becomes the cancer of asparagus how to control asparagus stem blight
2018-07-14 -
Symptoms and control methods of asparagus stem blight
Asparagus is a kind of valuable vegetable with excellent taste. With the continuous improvement of people's living standards, the demand for asparagus in domestic and foreign markets is increasing. Because of its strong drought tolerance, asparagus is especially suitable for planting in Tianjin. However, with the increase of planting years and the expansion of the area, the occurrence of stem blight is becoming more and more serious.
2018-09-13 -
Control techniques of asparagus diseases and insect pests
Asparagus stem blight and brown spot are the main diseases of asparagus. At present, there is no specific medicine for prevention and treatment. Practice has proved that the comprehensive disease prevention strategy based on agronomic measures supplemented by chemical control can achieve twice the result with half the effort. The specific methods are as follows: 1. Timely heart-picking to prevent lodging. Gourd.
2018-09-13 -
Management techniques of asparagus in summer and autumn
Asparagus is one of the highly efficient cash crops, which can be harvested for more than 10 years at one time. The annual harvest of bamboo shoots per mu is generally 2300 kg, and the output value per mu is up to 10,000 yuan. The key to its high-yield cultivation and management is as follows: first, to cultivate strong seedlings to capture the high yield of asparagus, in addition to selecting good varieties, it is also necessary to establish a nursery.
2018-09-13 -
Schisandra leaf blight
Schisandra chinensis leaf blight is a common disease, which is widely distributed in Liaoning, Jilin, Heilongjiang and other provinces, which can cause serious consequences, such as early defoliation, fruit drop, shoot death, tree weakness, fruit quality decline, yield reduction and so on. 1. Disease symptom leaf blight is mainly harmful to leaves. It can be divided into two types according to the different initial sites and the size of disease spots on leaves. ① begins at the tip or edge of the leaf, then spreads to both sides of the leaf margin, and then spreads to the center to form large brown plaques.
2019-01-16 -
Technical points of harvesting asparagus with mother stem
Asparagus stem blight is a destructive disease, known as "asparagus cancer". Once you get stem blight, the yield will be reduced, and if it is heavy, the garden will be destroyed and the harvest will be destroyed, resulting in huge losses to the majority of bamboo shoot farmers. Affected by SARS in 2003, the price of asparagus is low, many bamboo shoot farmers give up management, the occurrence of stem blight is more serious, at the same time asparagus field.
2018-09-13 -
Occurrence and control of common diseases of asparagus
Asparagus blight 1. Symptoms. Asparagus vertical blight, also known as Fusarium wilt, is a soil-borne disease. For the first time, individual plants in the field turned yellow and wilted, the whole plant withered after the disease spread, the tender stem was infected, the leaves and stems turned brown or split longitudinally, the underground stem and root of the diseased plant showed brown disease spot, and the diseased part rotted in the later stage, producing white to pink.
2018-09-13 -
Symptoms and control of diseases and insect pests of cherry blossoms
Symptoms of perforated brown spot: the leaves appear purple-brown dots and gradually expand into a circle. Prevention and treatment of perforated brown spot: spray 3-5 Baumedu stone sulfur mixture before new shoot germination and spray 160 times Bordeaux solution when the disease occurs. Symptoms of leaf blight: yellow and green leaves
2020-11-08 Cherry blossoms diseases and insect pests symptoms and control summary perforation sex brown spots -
Control methods of Jiuli incense leaf blight
[symptoms] occur on the leaves, mostly from the leaf tip leaf edge to start the disease, serious can also spread to the tip, tender stem. The disease spot begins as a faded green macula, expands rapidly, and soon infects the whole leaf and becomes yellowish brown. In the later stage, the leaves were withered and covered with black grains, that is, the conidium of the pathogen.
2019-03-05 -
How to grow green asparagus? the planting method of green asparagus
The sandy loam soil with deep soil layer, high organic matter content, good permeability and refreshing water and good drainage and irrigation conditions should be selected, and the soil ph should be neutral. Fertilization: timely and rational application of bud-promoting fertilizer, relay fertilizer and autumn fertilizer. Pest control: mainly against asparagus stem blight
2020-11-08 Green asparagus want how plant method summary site selection -
Stand alone and stand upright-- the culture method of cedar
Stand alone and stand upright-- the culture method of cedar
2019-02-22