eChapters

• Highly susceptible to waterlogging.
• Self-compatible in nature.
• Low chilling peach - <500 hrs chilling requirement.
• Red blush skins are caused due to anthocyanins.
• The yellow colour of peach is due to xanthophylls.
• Acid present - Malic acid
• Prunasin is the principal glycoside present in the pulp.
• Amygdalin is present in the seeds of peach.
• The oil content of peach seeds is 40-50%
• Prunus behmi is a natural hybrid of Almond and Peach.
• - Smooth skinned peaches (Prunus persica var. nucipersica) also called nectarine.
• Yellow fleshed peaches are ideal for table and canning purpose.

• The skin of grape berry is covered with a wax-like layer which is called cutin
• Fe deficiency is very common in black soil
• Thompsom seedless variety with its done occupies 55 % area under grape cultivation
• Rains during ripening cause berry cracking and rotting
• Pruning
  • North India- December-January
  • South India- April and October
    • April- Back of foundation pruning
    • October- Fruit or forwarded pruning
• Mg deficiency is universal in grape cultivation
• CCC- for suppressing vigour of wine and increasing fruit fullness of bud
• GA3- For increasing berry size

• L-42 is the most suitable cultivar for canning.
• A promising genotype in Allahabad is locally known as “Lal Sebia”.
• Strawberry Guava – P. cattlcianun, P. nolle is a shrub or small tree.
• Triploidy is the cause of seedlessness in guava.
• Red pulp colour is dominant to white and that this character is governed monogenic gene.
• Guava improvement work for the first time was initiated in 1907 at Ganeshkhind Experiment Station, Pune, Maharashtra.
• The fact that Guava wilt is soil-borne was first reported in 1935 from Babakkarpar Allahabad.
• Usually, fifteen days period is required for the complete wilting but some trees take even up to one year.
• In general, the more than 10-year-old plants are more prone to wilt incidence.
• Guava wilt, effects more severely in alkaline soils. Wilting is observed during the rainy season. It starts in August with the largest number of the plant dying in September and October.
• Guava improvement work was started at Pune in 1907.

• Fast track plum breeding started with an aim to reduce the juvenile period in temperate fruits.
• Transgenic early continuous flowering (ECF) gene induces early flowering.

  Chilling requirement

• Japanese Plum - 700-1000 hrs - below – 7°C
• European plum - 1000-1200 hrs - 7°C
• Clonal rootstock for raising plum plants: Myrobalan B.
• Dwarfing rootstock – P. subcordata
• Planting time – Dec-Jan
• Training System – Open centre system – oldest
• Japanese plums are mostly adaptable to open centre system.
• Fruit thinning agents – DNOC, Ethephon, 3-CPA
• Japanese plum needs thinning upto 25 - 40%.
• European Plum: President, Victoria, Starking Delicious, Greengage.
• Japanese plum – Beauty, Santa Rosa, Mariposa. Kelsey, Frontier, Elephant Heart, Satsuma
• Subtropical – Sultlej Purple, Kala Amritsari, Titron.
• Self-fruitful – Beauty, Mariposa

• Air layering is called “Marcottage” in China and “Gootee” in India.
• IBA (2-10g/liter of water) is most effective in root promotion in air layering of litchi.
• Flowers are petalless.
• Subtropical evergreen fruit tree; prefers a moist climate.
• Moist summer and cool winter favour litchi production.
• Red pigment – Anthocyanin.
• The pulp is an outgrowth of the seed in litchi.
• Roots – Mycorrhizal association (Fungus).
• July-October is the most appropriate time for propagation.
• January end to the onset of monsoon is a critical period for irrigation of litchi.

• Delicious Fruit
• Sapota fruit is a good source of sugar which ranges between 12 and 14 per cent.

Cultivars

• Kalipatti, Chaatri, Dhola Diwani, Long Bhuni or Bhunipatti, Jingar, Vanjet, Pata Kirthabharthi Dwarapudi, Cricket Ball, Oval, Vavi Valosa, Bangalora Calcutta Round, Jonnavalosa I, II, round Baramari Pot Sapota, Gavarayya, Thagonampadi, Ayyangan (Rose scented)
• Flowers of Sapota and protogynous Pollination is mediated through the wind.
• The most ideal soils are deep alluvium, sandy loamy red late rites and medium black soils.
• Sapota is a tropical fruit crop optimum temperature ranges between 11°C and 34°C.
• Sapota is grafting of inarching.
• Rootstock – Sapota seedlings, Rayan or Khirnior pala Adam’s apple, Mahua, Star apple.
• Seed germinates by the 4th week, budding and grafting is done on seedling about 1cm thick.

• More tolerant to wet soils but less tolerant to drought than apple.
• Browning of pears is due to polygalacturonase activity.
• Major acid - Malic Acid
• Chilling - China Pear (Low chilling) - 150 hrs.
• European pear - 1200-1500hrs.
• Most commonly used clonal rootstock - Quince A cutting.
• Quince is scientifically - Cydonia oblonga origin - South-Eastern Europe and Asia minor.
• Quince is a monotypic genus
• Vigorous rootstock - Pyrus pashia
• Graft incompatibility is overcome by double grafting with old home or hardy varieties.
• In India, the open center system is common
• Training system modified central leader system

Yellow pigment in papaya - Caricaxanthin

• The enzyme present in dried latex of papaya (papain) is pepsin.
• Frost is the most limiting factor for papaya cultivation in North India.
• Papaya is a polygamous plant. –
• 20 seeds of papaya weigh one gram
• Carpine obtained from papaya is used as a diuretic and heart stimulant.
• 10% male plants are planted wherein dioecious varieties are calculated.
• Papaya plants are extremely susceptible to waterlogging.
• Papaya is thermosensitive crop.

  Carica candoamarcensis is scientific name for Mountain papaya.

• Papaya has the highest production after banana.
• Sunrise Solo type papaya produces no male plants.

• Fresh seeds germinate in 20-30 days giving as high as 90% germinate.
• An NPK mixture supplying 375g N + 202 P2O5+375kg o/tree gave the highest mean-field of 33 fruits/tree and 14.88 kg fruit/tree.
• Flowering planting after four years.
• Flower bud differentiation of at 40 leaves stage.
• Flowering time March-April after 7 weeks of fruit development.
• Mealybug attacks shoots and in between the fruit segments – 0.5% phosphamidon or dichlorvos.
• A virus transmitted by lace bug or mealybug causes pineapple wilt.
• Ripon normally can be stored at 5°C for six weeks.
• Suckers weighing 500-750g and slips weighing 300-400g are better for yield and quality.
• Pineapple exhibits vegetative parthenocarpy and self-incompatibility.
• This is non-climacteric fruit.
• Sunscald discord is due to exposure of fruit to sun rays. Multiple crown/ fasciations is another important disorder probably due to genetics/nutritional factors.
• It contains an enzyme known as Bromelin.

• Coconut Research Station (CRS)-1916.
• Central Coconut Research Station, Kayangulam, Kerala (CCRS)- 1947.
• Generic name (cocus) is derived from the Spanish word ‘coco’ which means ‘monkey face’.
• Coconut industry employs 10 million people.
• Monolaurin content of coconut oil has anti-HIV property.
• Dwarf coconut is self-pollinated while and tall coconut is cross-pollinated in nature.
• Fully mature nut has 30-40% coir.
• Kerala has the highest share (45%) in coconut production in India: followed by Tamil Nadu (22%) and Karnataka (12%).
• The productivity of (7608 nuts/ha) Indian coconut is the best in the world.
• India ranks no.1 in terms of coconut productivity in the world.
• In India, 9-12 months old seedlings are generally transplanted
• Coconut is derived from the Spanish word ‘coco meaning ‘monkey face’.
• Tall palms: Var. typical (Nar), most commonly cultivated in all the coconut growing areas of the world, the height of 25-30m. Long pre-bearing age of 6-10 years, cross-pollinated.

Citrus reticulata

• A highly polyembryonic species of Chinese origin
• Mandarin occupies 43% area and 42% under citrus spp.
• Seeds of citrus plants do not have dormancy so they should be sown immediately after extraction.
• Blooms three times a year.

  a) February flowering – Ambe bahar

  b) June flowering – Mrig bahar

  c) October flowering – Haste bahar

• Mandarins are highly susceptible to waterlogging.
• Rootstock for HDP – Troyer citrange (1.8 × 1.8 m2)
• Best time for pruning – Last winter or early spring.

• It is controlled to parthenocarpy and sterility which can be achieved by triploids. Wild species - M. acuminata and M. balbisiana
• The cultivated edible banana is mainly triploid.
• The major problems in the breeding of banana are sterility, polyploidy and parthenocarpy.
• The underground portion of banana is a modified form of stem known as rhizome.
• The portion above the ground made of sheaths of leaves is known as pseudostem.
• Banana initiates flowering 9-12 months after planting.
• Sword sucker with narrow, slender leaf blades is the best planting material.
• Banana is a moisture and nutrient loving shallow-rooted plant.
• Simmonds and Shephard (1955) devised a scoring technique for genomic classification of banana.
• Pollination in banana is mediated mainly by bees and birds.
• Banana fruit follows the double sigmoid growth curve (seeded -sigmoid parthenocarpic - double sigmoid)

• Seeds stratification at 4-7°C for 60-90 days from December to February.
• Scions cannot be used for grafting at their active stage of growth.
• Meadow orcharding: 20,000-70,000 plants/ha (Super high density)
• Bitter pit of apple: Golden delicious, yellow (due to calcium) Newton.
• Internal browning: Newton
• Himachal Pradesh is known as the “Apple bowl of India”
• Flower colour: White to Pink
• Apple is the most widely grown temperate fruit in the world
• India rank 5th in apple production in the world
• Apple crop accounts for 55% of the total area and 75% of the total production of temperate fruits in the country.
• 25% to 33% of pollinating trees in India are recommended for regular cropping.
• San Jose scale was introduced in India from France in 1906.
• Apple cider-fermented wine is prepared from apples.

Annual rainfall requirement- 75-190 cm

Common names of Malda - Fazli in Calcutta Bombay green in UP Sehroli in Delhi

• The ‘Portuguese Jesuits in Goa started Inarching about 300 years ago. (90% success)
• The seedlings can be inarched when they are three months old as is done in the “Philippines”.
• The Indian nurserymen usually practice inarching in one-year-old seedlings.
• Grafts onto older seedlings result in poor root system.
• There should be no rain; otherwise, water gets inside the union and causes rotting of tissues.
• The name Mangifera was given for the first time by “Bontus” in 1658 when he referred to this as arbor Mangifera (the tree producing mango). Linnaeus also referred it as Mangifera arbor in 1747 before changing the name to its present form “Mangifera indica” in 1753.

Mango was firstly grown within glasshouse in 1960 at England.

Introduction to Hi-Tech Horticulture Greenhouse area in different countries

1. Japan - 42,000 (ha)
2. Holland - 10,000 (ha) 3) Italy - 20,000 (ha)
3. USA - 4,000 (ha)
4. India - 700 (ha)
   • Crops are grown in the greenhouse Strawberry, grapes, citrus, banana, papaya, melons.
   • Salt affected soils in different states: UP - 2,375 °
     • Gujarat - 1,334
     • W.B. - 1,150
     • RJ - 458
     • Punjab - 749 Haryana - 636

Breeding objectives genetic resources and techniques for breeding

• There are countries that consume 100 to 150 kg yearly per capita while others which do not even make it to 10kg.
• Genetic variability is the raw material of the plant breeder.
• International network for the improvement of Banana and Plantain (1 NIBAP), Prance to conserve the available germplasm.
• Only pathogen gene-free planting material can be used for construction or distribution from the gene bank for further multiplication or utilization in any breeding program.
• Fruit breeders have therefore tended to utilize single gene variants in performance to polygenic variation.
• In general, for most commercial requirements, homozygous is inadequate by six or seven generations of selling (56 or 37).
• In the dominance hypothesis, it is assumed that the deleterious gene is normally recessive.
• The simplest approach for the selection of our breeders is mass selection.

Introduction, importance and scope of Canopy management

• The tatura trellis uses more water than other systems.
• Light interception ranges from 57 to 81% of available light.
• HDP increases light interception of 20% and 60%.
• Meadow orchard system affords more light than other conventional systems.
• The orientation of North to South intercept should be about - 89% of direct and 87% of diffused light.
• Summer priming in combination with dormant priming reduces light interceptor by 15%.
• In the bottom of 4m tall trees, the light is reduced to 10% of full sunlight.
• Light transmittance is a logarithmic function of the leaf area index.
• Photosynthetic Active Radiation (PAR) is from 380-720 nm.
• Photosynthesis to be about 60% of the maximum at 25% of full sunlight.

Aonla

1. Fruit necrosis

• Fruit necrosis is especially a problem in ‘Francis’
• Boron deficiency / Borax at 0.6%, September-October.

2. Fruit drop

i) First wave: 70% lack of pollination

ii) Second wave: Dormancy break

iii) Third-wave:

Dry spell, number of developing fruits. Imbalance of hormones and improper nutrition.

Fluctuation in temperature, variety and age of the tree.

Apple

1. Scald

Plant structure

• Peach – In leaf axils is called – as (blind bud).
• Pecans and walnut, 2-4 buds development at one bud.
• Plants which grow from adventitious buds on the roots are called suckers.
• Some are broad-leaved evergreen: Citrus, mango, litchi, avocado.
• Narrow-leaved evergreen – (coniferous trees)
• Deciduous plants: apple, pears, grape, apricots, pecans.
• Monoecious: Walnut, pecan nut, hazelnut, Tung coconut, cucurbits.
• Dioecious: Papaya, date palm, pistachio nut muscadine grape pointed and snake gourds asparagus.
• Spike inflorescence: Banana
• Catkin: is a spike pecan nut, oak, mulberry, dates and walnut.
• Raceme: Pear
• Corymb: Cherry, pear, candytuft.
• Fascicle Inf.: Phlox and apple.
• Panicle: Mango, grape, litchi.
• Self-pollination (autogamy)
• Cross-pollination (autogamy) (gait gamy)
• Dischongamy: Walnut, pecan nut, macadamia nut.
• Self sterility: Almond, some fruit, onion, marigold.
• Incompatibility: Mango, ber, loquat, apple.
• Wind pollination: Walnut, pecan, nuts, coconut, dates.
• Insect pollination: Apple, mango, peach, fig, coconut.
• Birds: Pineapple and banana.
• Water: Water lily, water chestnut.
• Seedless fruits: Banana, pineapple.
• When plants set and mature fruits without pollination, it is called as vegetative parthenocarpy. Banana, Japanese person, fig, orange, grapefruit.
• Monocarpic: One crop of seed and then dies.
• Polycarpic: One crop of seed and then does not die.
• Media for propagation: 5.5-6.5 pH.

• Agriculture - 26% GDP, Processed food industry - 6.3% GDP.
  1. Simple fruits: Fruits which develop from a single ovary of a single flower e.g., Lemons, citrus, peach, apple, pear etc.
  2. Aggregate fruits: Fruits which develop from many ovaries of a single flower e.g., Raspberry, strawberry, blackberries.
  3. Multiple fruits: Fruits which develop from many ovaries of many flowers e.g., Pineapple.
• Pre harvests spray of calcium and brown on fruits and results in improving firmness.
• Worldwide postharvest fruits and vegetable losses are as high as 25-40.