Question

Строение вегетативной почки

Answer 1

Зачаточная почка, зачаточные листья, зачаточный стебель, почечные чешуи

Answer 2

Structure of a Vegetative Bud

The structure of a vegetative bud refers to the arrangement and organization of the different parts that make up the bud. Vegetative buds are found on plants and are responsible for the growth and development of new shoots, leaves, and branches. Here is a detailed explanation of the structure of a vegetative bud:

1. Bud Scales: The outermost layer of a vegetative bud is composed of protective bud scales. These scales are modified leaves that enclose and protect the inner parts of the bud. They provide a layer of insulation and prevent damage from external factors such as cold temperatures or physical injury.

2. Leaf Primordia: Inside the bud scales, there are tiny, undeveloped leaves called leaf primordia. Leaf primordia are the initial stages of leaf development and are responsible for the formation of new leaves as the bud grows. They are usually tightly packed together and are arranged in a spiral pattern.

3. Apical Meristem: At the center of the vegetative bud is the apical meristem. The apical meristem is a group of undifferentiated cells that are responsible for the growth and development of the bud. It is the primary site of cell division and elongation, leading to the formation of new tissues and organs.

4. Axillary Bud: In some plants, especially those with alternate leaf arrangement, there may be additional buds called axillary buds. Axillary buds are located in the leaf axils, which are the angles between the leaf and the stem. These buds have the potential to develop into new branches or flowers.

5. Vascular Tissues: Within the bud, there are vascular tissues that transport water, nutrients, and sugars throughout the plant. These tissues include xylem, which transports water and minerals from the roots to the rest of the plant, and phloem, which transports sugars and other organic compounds.

6. Bud Protection: In addition to the bud scales, some plants have additional structures to protect the bud. These can include bud hairs, sticky substances, or even thorns or spines.

It's important to note that the structure of a vegetative bud can vary among different plant species and even within the same species. The specific arrangement and organization of the bud's components depend on various factors, including the plant's growth habit, environmental conditions, and genetic factors.