-
The flowering stage of broad beans is the peak period of fertilizer demand: understanding the fertilizer demand pattern and fertilization methods
The flowering stage is the peak period of fertilizer demand for broad beans: fertilizer demand pattern and fertilization methods for broad beans
-
Occurrence Patterns and Control Methods of Major Pests and Diseases of Osmanthus
Osmanthus, also known as muxi (Osmanthus fragrans), is a precious aromatic plant native to China. Xianning is located in southern Hubei and has long been known as the "home of osmanthus." In recent years, damage from osmanthus pests and diseases has increased, reducing its ornamental value.
-
Downy Mildew in Lisianthus: Occurrence Patterns and Control Methods
Lisianthus plants grow 30-100 cm tall. The leaves are opposite, broadly elliptic to lanceolate, nearly sessile, with the leaf base slightly clasping the stem; the leaf surface is blue-green. The stamens and pistils are prominent, the bracts are narrow and lanceolate, and the petals are arranged in overlapping fashion. Flower colors are rich, including solid and bicolor forms, with single and double petal types.
-
What are the technical characteristics of wheat field intercropping and multiple cropping patterns?
Analysis of the technical characteristics of the "intercropping and multiple cropping" pattern in wheat fields
-
Occurrence Patterns and Control Methods of the Beet Armyworm Pest
Occurrence Patterns and Control Methods of the Beet Armyworm Pest
-
What is the disease pattern of root rot in fuchsia?
Root rot is a physiological disease of fuchsia. Fuchsia likes a cool, moist, semi-shaded, well-ventilated environment, is not tolerant of hot, high temperatures, and dislikes extreme summer heat and stuffiness. The optimal growth temperature is 15 to 25 degrees, and when the temperature exceeds 30 degrees it enters a semi-dormant state. In cultivation, improper water and fertilizer management
-
How to control broad mites in greenhouses and sheds? Understanding the occurrence pattern is key
In greenhouse fruit and vegetable production, curled and shrunken growing points of plants, deformed and cracked fruits are often seen, causing serious losses to production. Because the temperature and humidity inside the greenhouse are very suitable for the growth and reproduction of broad mites, and fruit vegetables are their main targets, and the mites are extremely small and invisible to people, timely control is impossible. Therefore, in recent years, the area of occurrence and damage has been growing larger and larger, which should attract great attention from producers. Broad mites belong to the class Arachnida, order Acariformes, family Tarsonemidae, and are harmful microscopic pests. They mainly damage cucumbers, eggplants, and tomatoes among greenhouse vegetables.
-
Occurrence Patterns and Control Methods of Cotton Pests under Drip Irrigation
With the large-scale application of drip irrigation technology for cotton, the irrigation method has been improved. It delivers water and nutrients evenly and continuously to the vicinity of the cotton root system at scheduled times and specific locations, and the supporting cotton cultivation techniques have changed accordingly, causing corresponding changes in the ecological environment of cotton field pests and their occurrence patterns. For this reason, it is highly necessary to clearly understand the occurrence patterns of cotton pests and the technical control measures under mulched drip irrigation, so as to ensure sustained and balanced increases in cotton yield. 1. Cotton bollworm 1. Occurrence level Compared with previous years, the occurrence in 2005 was moderate to severe
-
Occurrence Patterns and Control Methods of Cotton Red Leaf and Stem Blight
Disease symptoms and occurrence patterns: Cotton red leaf and stem blight is an explosive disease that frequently occurs in the middle and late stages of cotton growth. It can cause leaves to turn red from bottom to top until they drop off. The leaf veins remain green, the leaf mesophyll turns red, and the leaves become thicker, brittle, and wilted before finally dropping. When the stem is cut open, it does not change color, which distinguishes it from cotton Fusarium and Verticillium wilt. Generally, in old cotton-growing areas, the disease is more severe in cotton fields with continuous cropping year after year, sandy soil, too shallow a plow layer, or insufficient fertilizer lacking potassium fertilizer. Drought in the middle and late stages, along with severe potassium and zinc deficiency in the soil, can also easily accelerate the occurrence of this disease.
-
Occurrence Patterns and Control Methods of Cotton Seedling Diseases
Cotton seedling diseases are characterized by a concentrated onset period, generally occurring 15-30 days after sowing. The primary infection source comes mainly from the soil, with a small portion from seeds. Around April 20 this year, many provinces experienced continuous rainy and low-temperature weather, so seedling diseases are bound to be severe, and timely control measures should be taken in all areas. I. Symptom Manifestations (1) Damping-off. When cotton seedlings are affected before emergence, it causes seed and sprout rot. When disease occurs after seedling emergence, lesions initially appear as yellowish-brown and later turn black and sunken at the base of the young stem near the soil surface. The lesions gradually expand,
条件筛选