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Control Methods and Technical Key Points for Mango Shoot Blight and Gummosis
Mango shoot blight and gummosis mainly damages branches and the main trunk, causing dieback, but it can also harm seedlings and fruit. When seedlings are affected, dark brown necrotic spots usually appear from the bud graft point or wounds, rapidly spreading upward and downward, causing the scion to die. When the main trunk or branches are affected, the cortex
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Control Methods for Anthracnose in Mango Cultivation
1. Damage symptoms: It mainly damages mango flowers, fruits and young shoots. After young leaves are infected, many round brown spots appear, surrounded by yellow halos, and gradually expand into round, polygonal or irregular brown lesions, which later rupture and perforate. The wounds on leaves and young fruits caused by gall midges, leafhoppers and other pests are also easily infected by this disease.
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What are the control methods for calcium deficiency in apple trees?
Symptoms of calcium deficiency in apple trees: bitter pit formed in the early stage, with a spongy texture under the skin but without rotting. The red spots and black spots formed before harvest should be distinguished as to whether they are an infectious disease or a physiological disorder. The red spots and black spots formed by infectious diseases rapidly expand and penetrate deep into the flesh and
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Control Methods for Phytophthora Disease in Fig Cultivation
Fig Phytophthora disease is an important disease of figs in suburban areas in recent years, occurring commonly and causing serious damage. In years when the disease is epidemic, 80%-90% of the fruit can be affected and rot, and large numbers of branches and leaves wither. [Symptoms of damage] The disease mainly damages fruit, new shoots and leaves, and can also infect buds.
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How to Prevent and Control Fig Anthracnose? A Detailed Guide to Practical Methods
This disease is an important disease on fig fruit, and because of its damage, large numbers of fruits often rot. [Damage symptoms] It mainly damages fruit, and can also infect branches. After the fruit is infected, round, slightly sunken, brown patches appear on the fruit surface, and then concentric
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What are the causes of melon fruit abortion and the control methods?
1. Causes of fruit abortion 1. Temperature too high or too low. When the temperature is too high, photosynthetic accumulation is low and respiration consumption is high, which easily causes the vines to grow excessively, leading to malnutrition and fruit abortion; when the temperature is too low, the root absorption capacity weakens, affecting photosynthesis and leading to nutrient deficiency and fruit abortion. 2. Soil too dry
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How to prevent and control fruit cracking in pomegranates during the ripening period? A detailed guide to practical methods
1. Plant crack-resistant varieties This is the fundamental measure for preventing fruit cracking. Priority should be given to this measure when developing pomegranates. Among the excellent pomegranate varieties, Heyin Tonghongdeng pomegranate, Heyin Yueliangbai pomegranate, Heyin Hongdeng pomegranate, Tunisian soft-seed pomegranate and Chaodazi pomegranate are all
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What are the control methods for the tea bagworm on pomegranate trees?
1. Manual control Manually remove the bagworm bags hanging on the branches and destroy them in a centralized manner. It is more convenient to do this during the dormancy period of the fruit tree, but care should be taken to protect natural enemies. This method has a thorough control effect and is safe for pomegranates, but if the orchard area is large, it is time-consuming and labor-intensive. 2. Chemical control
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Occurrence and Control Methods of the Sesame Capsule Borer
The sesame capsule borer is one of the major pests of sesame. It mainly damages sesame. It commonly occurs in China's major sesame-producing areas such as Henan, Hubei, Anhui and Jiangxi, generally reducing yields by 10%-20%, and by up to 30% in severe cases, significantly lowering sesame quality. In response to its occurrence, a
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Main Pests and Diseases of Cherry Cultivation and Their Control Methods
Cherry brown rot Mainly damages flowers and fruits, causing flower rot and fruit rot. In the early stage of the disease, the floral organs gradually turn brown until they dry up; later, a layer of grayish-brown powdery substance forms on the diseased part. Starting from 10 days after flower drop, young fruits begin to develop the disease, with small light-brown spots forming on the fruit surface, gradually
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