Types of horticultural crops for SS 1

Class: SS 1
Term: First Term
Week: 8
Age: 15 years
Duration: 60 minutes
Subject: Crop Production and Horticulture
Curriculum Theme: Crop and Horticulture Management
Focal competence: Select the right crop variety and prepare land for planting
Key competencies/values: Collaboration; Information Literacy
Skills:

• Identifying horticultural crop

Previous Lesson: Crop Varieties, Importance and Types
Topic: Crop Varieties: Types Of Horticultural Crops
Subject Matter: Types of horticultural crops

Specific Objectives

By the end of the lesson, pupils/students should be able to:

Cognitive Domain

• Identify types of crop varieties.
• Identify the types of horticultural crops.
• Classify different crops based on their varieties.

Affective Domain

• Appreciate the diversity of horticultural crops.
• Participate actively in group discussions on crop identification.

Psychomotor Domain

• Handle crop samples and pictures carefully during identification.
• Demonstrate the ability to sort crops into their respective horticultural categories.

Reference Materials

The following resources were used in planning this lesson:

• 2025 New Revised Senior Secondary Education Curriculum (SSEC)
• Relevant State Unified Scheme of Work
• Agricultural Science for Senior Secondary Schools, Book 1
• The HeadTeacher Scheme of work For The New Revised Senior Secondary Education Curriculum (SSEC)

Instructional Materials

The teacher will teach this lesson with the aid of:

• Charts showing different horticultural crops
• Actual samples of various horticultural crops (e.g., mango, tomato, rose flower, ginger, aloe vera)
• Pictures of different horticultural crops and crop varieties
• Whiteboard and markers

Rationale for the Lesson

This lesson is important for students to understand the broad classification of crops that require intensive management, which is a fundamental aspect of agricultural science. Identifying and classifying horticultural crops helps students recognise their economic value and specific cultivation needs. This knowledge supports future practical applications in farming and agribusiness.

Prerequisite/Previous Knowledge

Students should have a basic understanding of general crop classification and the importance of agriculture in Nigeria.

Lesson Content/Board Summary

Crop Varieties: Types Of Horticultural Crops

Meaning of Horticultural Crops

Horticultural crops are plants cultivated in gardens, orchards, or nurseries, often for food, medicinal purposes, or aesthetic value. They typically require intensive care, management, and are often perishable. Horticulture is a branch of agriculture that deals with the art, science, technology, and business of growing plants.

Characteristics of Horticultural Crops

Horticultural crops generally possess the following characteristics:

1. They are usually grown on relatively small land areas compared to field crops.
2. They require intensive care and management, including specific pruning, watering, and pest control.
3. Many horticultural products are perishable and require careful handling and storage after harvest.
4. They often have high economic value per unit area.
5. They include a wide range of plants such as fruits, vegetables, ornamentals, spices, and medicinal plants.
6. They contribute significantly to human nutrition, health, and environmental aesthetics.

Types of Horticultural Crops

Horticultural crops are broadly classified into the following types:

1. Fruits: These are the fleshy, seed-bearing structures of plants, typically sweet or sour, and are often eaten raw. They are rich in vitamins and minerals.

   Examples: Mango, Orange, Pineapple, Banana, Pawpaw, Guava, Watermelon, Apple.

   Field Context/Management: Often grown in orchards, requiring pruning, fertilisation, and pest/disease management specific to tree crops. Harvesting is typically seasonal.

2. Vegetables: These are herbaceous plants or parts of plants eaten as food, either raw or cooked. They are vital for a balanced diet, providing fibre, vitamins, and minerals.

   Examples: Tomato, Okra, Spinach (Tete), Fluted Pumpkin (Ugu), Cabbage, Carrot, Onion, Pepper, Garden Egg.

   Field Context/Management: Often grown in market gardens or smaller plots, requiring frequent watering, nutrient management, and pest control due to their typically short growth cycle and tender nature. Many are harvested multiple times.

3. Ornamentals: These are plants grown primarily for their aesthetic appeal, used to beautify landscapes, homes, and public spaces. They include flowers, shrubs, trees, and foliage plants.

   Examples: Roses, Hibiscus, Bougainvillea, Crotons, Ferns, Lawn grasses.

   Field Context/Management: Cultivated in nurseries, gardens, or pots. Management focuses on pruning for shape, flowering, disease prevention, and specific light/water requirements to maintain visual appeal.

4. Spices and Condiments: These are aromatic plant parts (seeds, fruits, roots, bark) used in small quantities to flavour food, preserve it, or add colour.

   Examples: Ginger, Garlic, Pepper (Chilli), Turmeric, Cloves, Nutmeg.

   Field Context/Management: Often grown as intercrops or in specific plots. Management involves careful harvesting, drying, and processing to preserve their flavour and aroma. Some are root crops, others fruits or seeds.

5. Medicinal and Aromatic Plants: These are plants that contain compounds used for therapeutic purposes or for their distinctive fragrances.

   Examples: Aloe Vera, Scent Leaf (Ocimum gratissimum), Neem, Lemon Grass, Moringa.

   Field Context/Management: May be wild-harvested or cultivated. Management involves sustainable harvesting practices, specific drying or extraction methods, and protection from over-exploitation. Their observable characteristics include unique leaf shapes, strong scents, or distinct sap.

Crop Varieties

A crop variety refers to a subgroup within a particular crop species that has been developed or selected for specific desirable characteristics, making it distinct from other subgroups of the same species. These characteristics can include differences in yield, maturity period, disease resistance, fruit size, colour, taste, or adaptation to specific environmental conditions.

Examples of Crop Varieties:

1. Maize: Varieties like “Oba Super” (high yielding), “TZSR-Y” (streak virus resistant), or specific early-maturing varieties.
2. Yam: Varieties such as “Puna” (white yam), “Dan Anacha” (yellow yam), or “TDR 89/02665” (improved variety).
3. Cassava: Varieties like “TMS 30572” (high yielding), “NR 8082” (early bulking), or “TME 419” (disease resistant).
4. Rice: Varieties such as “Ofada rice” (local aromatic variety), “FARO 44” (NERICA L-19, high yielding), or “IR8” (semi-dwarf, high yielding).
5. Tomato: Varieties like “Roma” (plum-shaped, good for processing), “Money Maker” (round, good for fresh market), or “UC 82B” (heat tolerant).

Practical Management Considerations: Selecting the right crop variety is crucial for successful crop production. Farmers choose varieties based on local climate, soil type, market demand, disease prevalence, and desired yield or quality. For example, a farmer in a drought-prone area would select drought-resistant varieties.

Teaching Methods/Instructional Techniques

Discussion, Demonstration, Guided Practice, Question and Answer, Explanation, Group Work, Observation.

Instructional Procedures

Step 1: Introduction

Time: 5 minutes

Teaching Skill: Questioning/Recall

Teacher’s Activity: The teacher greets the students and asks them to recall some common crops grown in their locality and how they are used.

Pupils’ Activity: Pupils respond by mentioning crops like maize, yam, cassava, and their uses (e.g., food, income).

Learning Point: Prior crop knowledge

Step 2: Meaning of Horticultural Crops

Time: 8 minutes

Teaching Skill: Explanation/Definition

Teacher’s Activity: The teacher introduces the topic “Types of Horticultural Crops” and explains what horticultural crops are, highlighting their intensive care requirements and general characteristics. The teacher writes the definition on the board.

Pupils’ Activity: Pupils listen attentively, ask questions for clarification, and contribute to the discussion.

Learning Point: Horticultural crop definition

Step 3: Characteristics of Horticultural Crops

Time: 8 minutes

Teaching Skill: Elaboration/Discussion

Teacher’s Activity: The teacher further explains the key characteristics of horticultural crops, such as being perishable, high value, and requiring intensive management, using examples from the local context.

Pupils’ Activity: Pupils listen, take brief notes, and identify characteristics in the provided crop samples or pictures.

Learning Point: Horticultural crop characteristics

Step 4: Identification of Fruits and Vegetables

Time: 8 minutes

Teaching Skill: Demonstration/Group Activity

Teacher’s Activity: The teacher divides students into groups and provides each group with samples/pictures of various fruits and vegetables. The teacher guides them to identify and discuss the characteristics of each, classifying them as either fruits or vegetables.

Pupils’ Activity: Pupils in groups identify, discuss, and classify the provided fruit and vegetable samples/pictures, noting their observable characteristics.

Learning Point: Fruit and vegetable identification

Step 5: Identification of Ornamentals, Spices, and Condiments

Time: 7 minutes

Teaching Skill: Guided Practice

Teacher’s Activity: The teacher provides groups with samples/pictures of ornamental plants, spices, and condiments. The teacher guides them to identify and discuss these types, noting their uses and unique features.

Pupils’ Activity: Pupils continue in groups to identify and discuss the ornamental plants, spices, and condiments, explaining their observations.

Learning Point: Ornamental and spice identification

Step 6: Identification of Medicinal Plants and Crop Varieties

Time: 7 minutes

Teaching Skill: Explanation/Application

Teacher’s Activity: The teacher introduces medicinal and aromatic plants, providing samples/pictures. The teacher then explains the concept of “crop varieties” using examples like different types of yam or maize, guiding students to identify distinct features.

Pupils’ Activity: Pupils identify medicinal plants and discuss the concept of crop varieties, relating it to the samples or pictures provided.

Learning Point: Medicinal plants and crop varieties

Step 7: Evaluation/Review

Time: 5 minutes

Teaching Skill: Questioning/Assessment

Teacher’s Activity: The teacher evaluates the learning by asking the following questions:

1. What are horticultural crops?
2. Mention three types of horticultural crops and give two examples for each.
3. Explain what is meant by a “crop variety” and give an example.
4. How do horticultural crops differ from field crops in terms of management?

Pupils’ Activity: Pupils answer orally and in writing.

Learning Point: Horticultural crop classification

Step 8: Note-Taking

Time: 10 minutes

Teaching Skill: Guided Writing

Teacher’s Activity: The teacher guides pupils/students to copy the essential Board Summary notes on the meaning, characteristics, types of horticultural crops, and crop varieties into their notebooks.

Pupils’ Activity: Pupils/students copy the notes carefully into their notebooks.

Learning Point: Essential lesson notes

Step 9: Conclusion

Time: 2 minutes

Teaching Skill: Consolidation

Teacher’s Activity: The teacher briefly summarises the main points of the lesson, reiterating the importance of identifying and classifying horticultural crops and their varieties for effective agricultural practice.

Pupils’ Activity: Pupils listen and ask any final questions.

Learning Point: Main lesson summary

Continuous Assessment/Further Study

Type: Homework

Instruction: Research and write down:

1. Five horticultural crops commonly grown in your state, classifying each into its type (fruit, vegetable, ornamental, etc.).
2. Two different varieties for each of the following crops: yam, cassava, and tomato, stating one distinguishing characteristic for each variety.

Lesson Keywords

• Horticultural crops – Plants cultivated intensively for food, medicine, or beauty.
• Fruits – Fleshy, seed-bearing structures, often sweet, eaten raw.
• Vegetables – Herbaceous plants or parts eaten as food, raw or cooked.
• Ornamentals – Plants grown for aesthetic appeal.
• Spices – Aromatic plant parts used to flavour food.
• Medicinal plants – Plants with therapeutic properties.
• Crop variety – A distinct subgroup within a crop species with specific characteristics.

Differentiation

For students who grasp concepts quickly, encourage them to research local names and traditional uses of specific horticultural crops and varieties. For students needing more support, provide simplified charts or flashcards with clear pictures and names of crops for easier identification and classification.

Suggested Lesson Videos

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