-
What are the causes of cotton square and boll shedding?
1. Physiological shedding. Physiological shedding accounts for about 60-70% of total square and boll shedding, mainly caused by improper management and damage from pests and diseases, which leads to nutrient imbalance in the plant and insufficient nutrients for squares and bolls. There are mainly the following three aspects: 1. Poor root development, insufficient absorption of water
-
Control Methods for Three Major Physiological Diseases in Navel Orange Cultivation
For fruit cracking disease, the first step is to select varieties (lines) with strong cracking resistance. Generally, varieties (lines) with oval fruit shape, small navel or closed navel have better cracking resistance, such as Newhall and others; second, scientific management should be strengthened to enhance tree vigor. Especially during the dry period after the plum rain season and before the autumn rains arrive
-
What are the control methods for common physiological diseases of oyster mushrooms?
Physiological diseases of oyster mushrooms are also called non-infectious diseases, referring to diseases in which the edible fungus cannot carry out normal metabolism under the action of non-infectious pathogens. The usual cause of the disease is an abnormal growing environment for the oyster mushroom, such as light, temperature, ventilation conditions, etc.
-
Key Technical Points for the Control of Major Insect Pests and Physiological Diseases of Chinese Bayberry
The Chinese bayberry tree is a fruit tree native to China, and its fruit has a unique flavor and is rich in nutrients, making it highly favored by consumers. However, there are many aspects to pay attention to when growing Chinese bayberry, so what are the major insect pests and physiological diseases of Chinese bayberry? What are the key technical points for their control? 1. Chinese bayberry
-
Identification of Plant Physiological Disorders: Diagnosis of Diseases Caused by Abiotic Pathogens
Identification of Plant Abiotic Pathogens and the Diseases They Cause (Physiological Disorders) ? During the process of plant growth and development, unsuitable physical factors, chemical factors, air pollution, pesticide toxicity, as well as the plant's own physiological defects or hereditary diseases in the environment, all
-
The Latest Comprehensive Interpretation of the Physiological Characteristics of Watermelon
Watermelon is a fruit that everyone enjoys eating very much, and it contains extremely rich nutrients, so its nutritional value is also very high. Nowadays, the planting area of watermelon in our country is also very large, and it is basically grown in all parts of our country. When growing watermelon
-
What to do about the second physiological fruit drop in citrus? The latest countermeasures
During the growth process of citrus, there are generally two physiological fruit drop periods each year, and this is also the main reason for the reduction in normal citrus yields. The second physiological fruit drop occurs in May-June, which is also the period of summer shoot sprouting and young fruit expansion. At this time, the fruit and the shoots compete for nutrients, causing the fruit
-
The Latest Prevention and Control Measures for Common Physiological Diseases of Vegetables at the Seedling Stage
Physiological diseases often occur during the process of raising vegetable seedlings. Physiological diseases differ to some extent from infectious diseases in both their symptoms and their prevention and control. So what are the common physiological diseases in vegetable seedling raising? How should they be prevented and controlled? Let's take a look together.
-
How to treat diarrhea in laying hens? Prevention and treatment methods and key points for medication
Due to physiological needs, laying hens greatly increase their feed intake and water consumption; at this time, material metabolism is enhanced, body heat radiation increases, the house temperature rises, and water consumption increases even more, so they often pass loose droppings. So, how to treat diarrhea in laying hens? 1. How to treat diarrhea in laying hens? Individual
-
Detailed Introduction to the Physiological Characteristics of Finishing Pigs
(One) Stage Division of the Physiological Characteristics of Finishing Pigs According to the physiological characteristics of finishing pigs, their growth process is generally divided into two stages: 25-60 kg is the early finishing stage; 60-100 kg is the late finishing stage. Pictured: sow (Two) Physiological characteristics of finishing pigs
条件筛选