Author: Dr. Abdel El Hadrami

Calcium, an essential plant nutrient, can influence the growth and health of various plants, including weeds like Kochia and thistle. However, calcium does not act as a selective herbicide to control these weeds directly. Instead, its effects are more related to plant health and vigor, which indirectly impacts the growth and competitiveness of weeds. Here’s […]

Plants primarily absorb nutrients through their roots from the soil. However, there are specific circumstances where plants can also absorb nutrients through the stomata (small pores on leaves and stems) and the cuticle (outer waxy layer of leaves). While these pathways are not the primary route for nutrient uptake, they play a role in nutrient […]

Plant nutrient levels and their interactions with both sucking and chewing insects can influence the susceptibility of plants to infestations and the extent of damage caused. Proper nutrient management is essential for optimizing plant defenses and minimizing insect damage. Here’s how plant nutrients can interact with sucking and chewing insects: Interaction with Sucking Insects: Interaction […]

Sucking and chewing insects are two main types of insect herbivores that cause damage to plants in different ways. Understanding the differences between these types of insects and employing appropriate control measures is essential for effective pest management in agriculture. Here’s an overview of the differences and control strategies for both types: Sucking Insects: Chewing […]

Tissue testing, also known as plant tissue analysis, involves analyzing the nutrient content of plant tissues (e.g., leaves, stems, roots) to assess the nutrient status and health of the plant. It helps in diagnosing nutrient deficiencies or imbalances and making informed decisions regarding fertilizer application. Here’s a general guide on how to conduct a tissue […]

Necrotrophs, biotrophs, and hemibiotrophs are terms used to classify different types of plant pathogens based on their interactions with host plants. Understanding these classifications is important for devising effective strategies to control these pathogens. Here’s a brief overview of each group and control strategies: 1. Necrotrophs: 2. Biotrophs: 3. Hemibiotrophs: General Control Strategies for All […]

Ethylene is a gaseous plant hormone that plays a crucial role in the growth, development, and responses of plants to various environmental stimuli. It is involved in processes such as fruit ripening, flower senescence, leaf abscission, and response to stress. Here’s an overview of the roles of ethylene in plant growth and development: 1. Fruit […]

Gibberellins (GAs) are a class of plant hormones that play a fundamental role in regulating several aspects of plant growth and development. They are involved in processes such as stem elongation, seed germination, leaf expansion, flowering, and fruit development. Here’s an overview of the roles of gibberellins in plant growth and development: 1. Stem Elongation […]

Auxins are a class of plant hormones that play a fundamental role in various aspects of plant growth and development. They are involved in processes such as cell elongation, apical dominance, root initiation, vascular tissue differentiation, and tropisms (growth responses to external stimuli). Here’s an overview of the roles of auxins in plant growth and […]

Cytokinins are a class of plant hormones that play a crucial role in regulating various aspects of plant growth and development. They are involved in cell division, shoot and root growth, chloroplast development, delay of senescence (aging), and other physiological processes. Here’s an overview of the roles of cytokinins in plant growth and development: 1. […]