Maize Crop Complete Notes 2026 for Agriculture Exams

मक्का (Maize/Corn) फसल सम्पूर्ण नोट्स 2026 – कृषि परीक्षाओं के लिए

Maize Crop Notes 2026 Introduction

Maize Crop Notes 2026 Climate and Soil

Maize Crop Notes 2026 Important Varieties

Maize Crop Notes 2026 Irrigation Management

Maize Crop Notes 2026 Fertilizer Management

Maize Crop Notes 2026 Diseases and Pest Management

Maize Crop Notes 2026 Research Institutes

Maize Crop Notes 2026 Important One Liner Questions

Introduction of Maize

मक्का का परिचय

Maize is one of the most important cereal crops in the world and is popularly known as the “Queen of Cereals” due to its high yield potential. It is used as food, feed, fodder, and industrial raw material.

मक्का विश्व की प्रमुख अनाज फसलों में से एक है। इसे “अनाजों की रानी” कहा जाता है क्योंकि इसकी उत्पादन क्षमता अन्य अनाजों की तुलना में अधिक होती है। इसका उपयोग भोजन, पशु आहार, चारा एवं औद्योगिक उत्पादों में किया जाता है।

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Scientific Classification

वैज्ञानिक वर्गीकरण

Particular	Details
Scientific Name	Zea mays
Family	Poaceae / Gramineae
Chromosome Number	2n = 20
Origin	Mexico

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Importance of Maize

मक्का का महत्व

• Important cereal crop
• Used as human food
• Used as poultry and cattle feed
• Industrial uses in starch and ethanol production
• High yielding crop
• Used in corn flakes, popcorn, sweet corn

मक्का भोजन, पशु आहार एवं औद्योगिक उपयोगों के लिए महत्वपूर्ण फसल है।

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Major Maize Producing Countries

प्रमुख मक्का उत्पादक देश

Top Producing Countries:

1. USA
2. China
3. Brazil
4. Argentina
5. India

Largest Maize Producing State in India:

• Karnataka

Major Producing States:

• Karnataka
• Madhya Pradesh
• Bihar
• Telangana
• Andhra Pradesh
• Rajasthan

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Climate Requirement

जलवायु

Maize is a warm season crop.

मक्का गर्म जलवायु की फसल है।

Stage	Temperature
Germination	18–22°C
Growth	21–27°C
Grain filling	25–30°C

Rainfall Requirement:

• 50–100 cm rainfall is ideal.

Harmful Condition:

• Waterlogging is harmful.

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Soil Requirement

मिट्टी

Maize grows best in fertile well-drained soils.

Suitable Soils:

• Loam soil
• Sandy loam soil
• Alluvial soil

Soil pH:

• 5.5–7.5

Special Feature:

• Good drainage is essential.

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Important Research Institutes

महत्वपूर्ण अनुसंधान संस्थान

1. IIMR

Full Form:

Indian Institute of Maize Research

Location:

Hyderabad, Telangana

Importance:

Main maize research institute in India.

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2. CIMMYT

Full Form:

International Maize and Wheat Improvement Center

Location:

Mexico

Importance:

Global research on maize and wheat improvement.

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3. ICAR

Full Form:

Indian Council of Agricultural Research

Role:

Coordinates maize research in India.

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Seasons of Maize Cultivation

मक्का की खेती के मौसम

Season	Time
Kharif	June–July
Rabi	October–November
Spring	January–February

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Land Preparation

खेत की तैयारी

• 2–3 ploughings required
• Fine seed bed necessary
• Proper leveling important

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Seed and Sowing

बीज एवं बुवाई

Seed Rate:

Type	Seed Rate
Grain purpose	20–25 kg/ha
Fodder purpose	40–50 kg/ha

Sowing Methods:

• Dibbling
• Line sowing
• Seed drill method

Row Spacing:

• 60–75 cm

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Root System of Maize

मक्का की जड़ प्रणाली

Maize has fibrous root system with brace roots.

मक्का में रेशेदार जड़ प्रणाली पाई जाती है।

Types of Roots:

• Seminal roots
• Crown roots
• Brace roots

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Fertilizer Management

उर्वरक प्रबंधन

Maize is a heavy feeder crop.

मक्का अधिक पोषक तत्व लेने वाली फसल है।

Recommended NPK:

• 120:60:40 kg/ha

Major Nutrient:

• Nitrogen

Micronutrient:

• Zinc deficiency common

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Irrigation Management

सिंचाई प्रबंधन

Critical Stages:

1. Knee-high stage
2. Tasseling stage
3. Silking stage
4. Grain filling stage

Most Critical Stage:

• Tasseling and silking

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Weed Management

खरपतवार नियंत्रण

Major Weeds:

• Cyperus rotundus
• Echinochloa species
• Amaranthus species

Herbicides:

• Atrazine
• Pendimethalin

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Important Maize Varieties

मक्का की प्रमुख किस्में

Variety	Feature
Ganga-5	High yielding
Deccan-103	Hybrid variety
HQPM-1	Quality protein maize
Vivek Hybrid-9	Hill region suitable

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Quality Protein Maize (QPM)

क्वालिटी प्रोटीन मक्का

QPM contains higher lysine and tryptophan amino acids.

QPM में आवश्यक अमीनो अम्ल अधिक मात्रा में पाए जाते हैं।

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Diseases of Maize

मक्का के प्रमुख रोग

1. Downy Mildew

Symptoms:

• Yellow streaks on leaves

Control:

• Resistant varieties
• Seed treatment

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2. Turcicum Leaf Blight

Symptoms:

• Large elongated spots on leaves

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3. Common Smut

Pathogen:

• Ustilago maydis

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Insect Pests of Maize

मक्का के प्रमुख कीट

1. Stem Borer

Damage:

• Damages stem and growing points

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2. Fall Armyworm

Scientific Name:

• Spodoptera frugiperda

Damage:

• Feeds on leaves and whorl

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Harvesting

कटाई

Harvesting Stage:

• Grains become hard and dry

Moisture Content:

• 20–25% during harvest

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Yield of Maize

मक्का की उपज

Type	Yield
Traditional	20–30 q/ha
Hybrid varieties	50–80 q/ha

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Uses of Maize

मक्का के उपयोग

• Human food
• Poultry feed
• Starch industry
• Ethanol production
• Corn flakes
• Popcorn production

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Cropping Systems

फसल प्रणाली

• Maize-Wheat
• Maize-Mustard
• Maize-Potato
• Maize-Pulse system

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Nutritional Value

पोषण मूल्य

Maize contains:

• Carbohydrates
• Protein
• Vitamins
• Minerals
• Fiber

Special Nutrient:

• Rich in starch

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Modern Technologies in Maize Cultivation

मक्का उत्पादन की आधुनिक तकनीकें

Technologies:

• Precision farming
• Drip irrigation
• Zero tillage
• Climate smart agriculture
• Hybrid seed technology

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Important One Liner Questions

महत्वपूर्ण वन लाइनर प्रश्न

• Scientific name of maize – Zea mays
• Family of maize – Poaceae
• Maize called Queen of Cereals
• Largest maize producer state – Karnataka
• IIMR located at Hyderabad
• CIMMYT located in Mexico
• Fall armyworm scientific name – Spodoptera frugiperda
• QPM means Quality Protein Maize
• Maize has fibrous root system
• Maize is a cereal crop

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Conclusion

निष्कर्ष

Maize is one of the most versatile cereal crops with high production potential and multiple uses. Scientific cultivation practices, hybrid varieties, balanced fertilization, and integrated pest management are essential for obtaining higher maize productivity.

मक्का बहुउपयोगी एवं उच्च उत्पादन क्षमता वाली प्रमुख अनाज फसल है। वैज्ञानिक खेती एवं आधुनिक तकनीकों द्वारा इसकी उत्पादकता बढ़ाई जा सकती है।

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