-
Prevention and Control Methods for Bark Cracking and Trunk Dehydration in Young Jujube Trees
Yining County once developed jujube trees on a large scale. In years with heavy winter snowfall, when the snow melted in early spring, the trunk below the snow line (about 20 cm high) was soaked by melting snow water and exposed to wind, causing rot and bark splitting, which blocked the tree's vascular tissue and led to drying and death.
-
How to prevent and control jujube witches' broom disease when growing jujube trees?
Recently, many readers have consulted us: their jujube trees are harmed by jujube witches' broom disease every year. What is going on? How should it be prevented and controlled? To address these questions, the reporter interviewed Feng Yibin, a researcher at the Zhengzhou Fruit Research Institute of the Chinese Academy of Agricultural Sciences.
-
How to prevent and control dry rot in apple cultivation
Apple dry rot, also known as trunk rot, is one of the important diseases of apple trees. 1. Symptoms When young trees are affected, dark brown to blackish-brown lesions initially form near the grafting site, spreading upward along the trunk and potentially causing death in severe cases, with many raised small black dots on the lesions.
-
How to Prevent Fruit Cracking in Citrus? Growing Experience Shared
Citrus fruit cracking occurs every year, and it is most severe after the Mid-Autumn Festival, causing heavy losses for fruit growers. The main cause of citrus fruit cracking is unbalanced water supply. For example, severe cracking occurs after a long drought followed by heavy rain. The following measures can reduce the occurrence of fruit cracking.
-
How to prevent and control citrus fruit cracking? Master these cultivation techniques
Every year in June and July, after the second physiological fruit drop, citrus generally does not drop fruit, but then fruit cracking of varying degrees occurs. The peak period of fruit cracking generally occurs in early August and in the two periods from late August to early September. Citrus fruit cracking is one of the important physiological diseases of citrus during the fruit-swelling period.
-
How to prevent and control arrowhead scale damage to young fruit when growing citrus
The citrus arrowhead scale is currently one of the main pests in citrus orchards in eastern Guangdong and northern Guangdong, with more than 50% of the orchard area in these regions affected to varying degrees, impacting production. The author conducted systematic fixed-point, regular observations of the occurrence of the citrus arrowhead scale, and carried out
-
How to prevent and control mango sooty mould? Be sure to guard against this disease when growing mangoes
In recent years, mango sooty mould has caused increasingly serious damage to mango fruit, greatly affecting fruit quality. Below is a brief introduction to the symptoms and damage of sooty mould, the occurrence of the disease, and control methods, for the reference of fellow fruit growers. 1. Symptoms and
-
How to prevent and control apple fruit cracking? Growers, master these key points
In recent years, apple fruit cracking is a common disease in production, seriously affecting fruit quality. The causes and prevention methods of apple fruit cracking are introduced below. Apple fruit cracking manifests as cracks or fissures on the fruit. There are various forms of fruit cracking: some split longitudinally from the side of the fruit,
-
What are the disease prevention and control methods for licorice cultivation?
The main diseases of licorice are: rust, brown spot and powdery mildew. The prevention and control methods are as follows: 1. Rust: when infected, yellowish-brown scar-like lesions appear on the underside of the leaves; after the epidermis ruptures, brown powder is released, which is the uredinium of the pathogen; in August-September, dark brown telia
-
Precautions for Drought Prevention and Water Retention in Polyporus umbellatus Cultivation
Polyporus umbellatus is a fungus of the family Polyporaceae, and its underground sclerotium is a rare traditional Chinese medicinal material, with effects such as promoting diuresis and draining dampness, and relieving strangury and reducing swelling. Polyporus umbellatus is mostly supplied to the market as wild product, and wild Polyporus umbellatus is distributed in mountainous areas at an altitude of 1000-2000 m. In recent years, with excessive digging in Polyporus umbellatus production areas,
条件筛选