Home Quiz Old Paper PPT

Ppt on Mango Cultivation: Climate, Soil, Varieties, Planting And Orchard Management

This lecture covers the essential aspects of mango (Mangifera indica) cultivation, including suitable soil and climate requirements, recommended varieties, propagation methods, high-density planting, and best practices for nutrient and water management. It also discusses intercropping, off-season production, and postharvest handling to optimize yield and fruit quality. These concepts are crucial for students preparing for competitive exams in horticulture and allied sciences.
Introduction to Mango Cultivation
  • Mango (Mangifera indica) is known as the ‘king of fruits’ in India.
  • India accounts for about 56% of global mango production.
  • Major producing states: Andhra Pradesh, Uttar Pradesh, Bihar, Karnataka, Maharashtra, West Bengal, Gujarat.
  • Mango contributes nearly 39.5% of India’s total fruit production.
Soil and Climate Requirements
Soil:

  • Grows in alluvial to lateritic soils; avoid poorly drained black cotton soils.
  • Prefers slightly acidic soils (pH 5.5–7.5); poor growth above pH 7.5.
  • Good drainage is essential for healthy growth.

Climate:

  • Tropical to subtropical; can be grown up to 1,100 m above sea level.
  • Optimal temperature: 24–27°C; higher temperatures improve fruit quality.
  • Requires 25–250 cm annual rainfall; avoid high humidity and frost during flowering.
Major Mango Varieties in India
  • Over 1,000 varieties exist; about 20 are commercially important.
  • Popular varieties: Alphonso, Banganapalli, Bombay Green, Chausa, Dashehari, Fazli, Gulab Khas, Himsagar, Kesar, Kishenbhog, Langra, Mankurad, Neelum, Pairi, Totapuri.
  • Varietal preference varies by state and region.
  • North Indian varieties often alternate-bearers; South Indian varieties are generally regular-bearers.
Important Mango Hybrids and Clonal Selections
Hybrid Parentage Key Features
Mallika Neelum × Dashehari Regular-bearer, high TSS, good colour, uniform fruits
Amrapali Dashehari × Neelum Dwarf, regular-bearer, cluster-bearing, good keeping quality
Ratna Neelum × Alphonso Regular-bearer, free from spongy tissue and fibre
Sindhu Ratna × Alphonso Regular-bearer, thin stone
Arka Puneet Alphonso × Banganapalli Regular-bearer, attractive skin, good keeping quality
Propagation Methods
  • Mango is highly heterozygous and cross-pollinated.
  • Polyembryonic varieties (mainly in South India) can be grown from seed; monoembryonic (North India) require vegetative propagation.
  • Common propagation methods: inarching, veneer grafting, side grafting, epicotyl/stone grafting.
  • Rootstock seedlings are raised from fresh seeds (sown within 4–5 weeks of extraction).
Planting Systems and Spacing
  • Planting systems: square, rectangular, and hexagonal; square and rectangular are most common.
  • Spacing depends on variety vigor and cropping system; typically 10–12 m for traditional planting.
  • Pits of 1 m × 1 m × 1 m are prepared and filled with well-rotted farmyard manure.
  • Planting is best done during the rainy season (June–September).
High-Density Planting in Mango
  • High-density planting increases yield per unit area.
  • Amrapali is suitable for high-density planting (2.5 m × 2.5 m spacing).
  • Paclobutrazol (2 ml/tree) induces flowering in off-years.
  • Pruning and use of dwarfing rootstocks (e.g., Vellaikolumban) help manage tree size.
Training, Pruning, and Aftercare
  • Training is essential in early years to develop a strong framework.
  • Proper branch spacing facilitates intercultural operations.
  • Pruning is minimal; mainly removal of diseased, dead, or crossing branches.
Nutrient and Water Management
Manuring and Fertilization:

  • Apply 73 g N, 18 g P2O5, 68 g K2O per year of age (up to 10 years).
  • After 10 years: 730 g N, 180 g P2O5, 680 g K2O per tree/year in two split doses (June–July, Sept–Oct).
  • Correct micronutrient deficiencies with foliar sprays: 0.3% zinc sulphate, 0.5% borax, 0.5% manganese sulphate.

Irrigation:

  • Young plants (up to 2 years) require regular watering (about 30 L/week).
  • Irrigation during pre-flowering and fruit set increases yield.
  • Established trees: irrigate at 10-day intervals after fruit set.
Intercropping and Cover Crops
  • Intercropping reduces weed growth and nutrient loss.
  • Suitable intercrops: blackgram, wheat, brinjal, onion.
  • Cover crops like sunhemp, cowpea, and pea help prevent soil erosion.
Harvesting and Postharvest Management
  • Harvest mangoes with pedicel to reduce injury and fungal infection.
  • Average yield: 8 tonnes/ha; 1,000–2,000 fruits/tree during bearing age.
  • Sort and grade fruits by size; use proper packaging (perforated cardboard boxes preferred).
  • Store mature green mangoes at 5–16°C; avoid chilling injury.
  • Postharvest treatments: waxing, hot-water treatment, individual wrapping, hydro-cooling extend shelf life.
Summary and Key Points
  • Mango thrives in well-drained, slightly acidic soils and warm, humid climates.
  • Choose suitable varieties and hybrids for region and market demand.
  • Adopt high-density planting and proper nutrient management for higher productivity.
  • Intercropping and postharvest care improve sustainability and fruit quality.

Objective Questions

Q1. Which state leads in total mango production in India?
A. Uttar Pradesh
B. Andhra Pradesh
C. Maharashtra
D. Bihar
Answer: B

Q2. Mango cultivation is NOT recommended in which type of soil?
A. Alluvial
B. Lateritic
C. Black cotton with poor drainage
D. Slightly acidic
Answer: C

Q3. Which mango variety is mainly grown in the Ratnagiri area of Maharashtra?
A. Kesar
B. Banganapalli
C. Alphonso
D. Langra
Answer: C

Q4. Which hybrid mango is a result of crossing Neelum and Dashehari?
A. Mallika
B. Amrapali
C. Ratna
D. Sindhu
Answer: A

Q5. Which propagation method is widely practiced in the Konkan region of Maharashtra?
A. Inarching
B. Veneer grafting
C. Epicotyl/stone grafting
D. Side grafting
Answer: C

Q6. What is the recommended spacing for high-density planting of Amrapali mango in North India?
A. 5m x 5m
B. 2.5m x 2.5m
C. 4m x 4m
D. 3m x 3m
Answer: B

Q7. Which nutrient should be sprayed at 0.3% concentration during February, March, and May to correct deficiency in mango?
A. Borax
B. Zinc sulphate
C. Manganese sulphate
D. Ammonium sulphate
Answer: B

Q8. Which intercropping combination provides better monetary benefits in mango orchards?
A. Sunhemp-cowpea-mango
B. Blackgram-wheat-mango
C. Pea-sunhemp-mango
D. Cowpea-brinjal-mango
Answer: B

Q9. Which mango variety is a biennial-bearer and has characteristic turpentine flavour?
A. Himsagar
B. Langra
C. Kesar
D. Neelum
Answer: B

Q10. What is a major symptom of chilling injury in mangoes stored at low temperatures?
A. Fruit splitting
B. Loss of flavour and undesirable softening
C. Increased sweetness
D. Enhanced colour development
Answer: B

Ppt on Apple: Origin, Botany, Climate Requirements And Recommended Varieties

This presentation covers the production technology of apple (Malus domestica), an important temperate fruit crop. It includes taxonomy, origin, climatic and soil requirements, recommended varieties, major pests and diseases, and management practices. The content is structured for academic and exam preparation, emphasizing key aspects of apple cultivation. Important academic keywords: Malus domestica, chilling requirement, varieties, pest management, apple scab.
Introduction to Apple
  • Botanical name: Malus domestica; Family: Rosaceae
  • Origin: Central Asia, including Caucasus and Hindu-Kush Himalayan region
  • Chromosome number: 2n = 34, 51, 68 (x = 17)
  • Genus Malus has about 25 species
Importance and Distribution
  • Major temperate fruit crop, rich in carbohydrates, potassium, phosphorus, and calcium
  • Introduced in India in 1865 (Kullu Valley, Himachal Pradesh)
  • Commercially grown in Jammu & Kashmir, Himachal Pradesh, Uttarakhand
  • Also cultivated in NE states and Nilgiri hills
  • India: ~2.8 lakh ha area, ~1.77 million tonnes production
Climatic and Soil Requirements
  • Requires 1000–1600 chilling hours; low-chill varieties need 500–800 hours
  • Optimal summer temperature: 21–24°C; pollination best at 18–22°C
  • Frost-free spring, mild summer, and 100–125 cm well-distributed rainfall ideal
  • Prefers deep, fertile, loamy soils with pH 6.0–6.5 and good drainage
Taxonomic Classification and Species
  • Family: Rosaceae; Genus: Malus
  • Important species: M. domestica (edible apple), M. floribunda (flowering crab), M. baccata (Siberian crab), M. coronaria (American crab), M. angustifolia (narrow-leaved crab)
  • Crab apples used as pollinizers and ornamentals
Recommended Varieties in India
  • Early: Irish Peach, Benoni, Tydeman’s Early Worcester, Mollies Delicious, Anna
  • Mid-season: Starking Delicious, Red Delicious, Rich-a-Red, Top Red, Scarlet Gala
  • Late: King Pippin, Golden Delicious, Red Fuji, Granny Smith, Mutsu
  • Spur types: Red Chief, Oregon Spur, Silver Spur, Well Spur
  • Low-chill: Michal, Schlomit, Anna, Vered, Tropical Beauty
Notable Apple Varieties
  • Red Delicious: Large, oblong-conical, greenish-yellow with red streaks, ripens August
  • Starking Delicious: Limb sport of Red Delicious, large, conical, yellow with red stripes
  • Fuji: Pink speckled flush, crisp, juicy, late-maturing
  • Black Diamond: Rare, purple skin, grown at high altitude (Tibet)
  • Mutsu: Cross of Golden Delicious × Indo, large, green to yellow, late, good pollinizer
Pollinizing Varieties and Colour Sports
  • Pollinizers: Golden Delicious, Red Gold, Tydeman’s Early Worcester, Granny Smith, Winter Banana
  • Flowering crabs (e.g., Malus floribunda) also used as pollinizers
  • Colour sports: Red Chief, Oregon Spur, Super Chief, Vance Delicious, Top Red
Major Pests: San Jose Scale
  • Scientific name: Quadraspidiotus perniciosus
  • Polyphagous, sucks sap from aerial parts, reduces vigour and fruit quality
  • Symptoms: Grey overlapping scales on bark, poor fruit set
  • Management: Spray 2% dormant oil or 1.5% summer oil at appropriate stages; 0.04% chlorpyriphos after petal fall
Major Pests: Woolly Apple Aphid
  • Scientific name: Eriosoma lanigerum
  • Colonies form white woolly masses on aerial parts and roots
  • Damage: Sap sucking, gall formation, stunted growth, reduced fruit set
  • Management: Spray 0.04% chlorpyriphos in May–June and October; use resistant rootstocks (Malling Merton series)
Major Disease: Apple Scab
  • Pathogen: Venturia inaequalis
  • Symptoms: Olive green to black spots on leaves and fruits, leaf curling, fruit cracking
  • Management: Scheduled sprays of dodine, mancozeb, carbendazim, zineb at key growth stages; 5% urea post-harvest
Maturity Indices, Harvesting, and Yield
  • Apple trees start bearing from 4th year onwards
  • Maturity: Change in ground colour, seed colour, and ease of fruit detachment
  • Harvesting time depends on variety and region
  • Average yield: 10–20 kg/tree/year in well-managed orchards
Summary: Integrated Apple Production
  • Select suitable varieties and pollinizers for region and climate
  • Ensure proper chilling, soil, and water management
  • Implement regular pest and disease monitoring and control
  • Follow recommended harvesting and post-harvest practices for quality fruit
Follow us on Social Media