Pear on Open Tatura

Pear on Open Tatura


Pear on open tatura

Topics in this manual 

A pear is not an apple

Methods explained: scoring; plucking; notching; spraying ethrel 

Prune for more and better quality pears

Maintain a balanced tree structure

1,2,3 method of renewal pruning

10 rules for growing quality pears

  • prune weakest trees first
  • remove big wood
  • make thinning cuts
  • make pruning cuts on the underside of branches
  • maintain tree height
  • postpone topping the heads
  • contain the length of scaffold by pruning back in 2-year old, or older wood
  • keep fruiting wood young
  • delay-heading
  • get rid of tired spurs

Plant quality nursery trees


  • Winter Nelis
  • BP1
  • Quince
  • BM2000
  • others
  • D6 for high-density plantings

Contain root growth

  • Root pruning
    • claims
    • best time to root prune
    • potential problems
    • root pruning would not be necessary if you...

Transplant shock

  • how to prevent or minimise transplant shock

Pollination and the honey bee

  • you should this about bees, their behaviour and pollination

Hand-thin pears

Fruit russet

  • prevent russet

Calcium in the soil, tree and fruit

  • what to do to ensure adequate amounts of calcium reach your fruit
  • cultural practices
  • pre-harvest calcium and post-harvest dips

If you can't measure it, you can't manage it

  • diagnostic tools
  • calculate per canopy hectare

Measure fruit maturity

  • starch content
  • firmness
  • sugar content

Tree nutrition

  • sample leaves for analysis
  • leaf vs soil analysis
  • nitrogen
  • young trees
  • mature trees (5 years and older)
  • other nutrients

Can nitrogen fertiliser boost pear size?

  • what happens to nitrogen fertiliser when it is applied to the soil
  • why does niitrogen not directly affect fruit size

Soil organic matter

  • why is organic matter imortant
  • what is organic matter and where does it come from
  • amount of organic matter in the soil
  • organic matter and supply of nutrients; soil stability
  • how to increase organic matter in the soil

Tree water requirements

  • drip vs microjet
  • tree water requirements
  • calculating how much water trees need and how long to irrigate to deliver that water

What is RDI (regulated deficit irrigation)

What is pear blossom blast

  • what to do to prevent attack

What is pear decline

What you should know about fire blight

Crown Gall

  • facts
  • control

Winter chill for breaking dormancy

  • chilling requirement
  • minimise the risk
  • tree response to chilling

Tree training systems:

Open Tatura with two leaders

  • first year - promote growth of two leaders
  • second year - promote growth of lateral shoots
  • third year - complete tree structure, set small crop, promote development of fruit bud, keep heads under control
  • fourth year - set a crop, keep trees calm
  • fifth year - set a crop, keep trees calm, renew fruiting wood

Open Tatura with four leaders

  • the branchless four-leader concept
  • subdue the two inner shoots
  • first year - promote growth of the four leaders
  • second year - promotegrowth of the four leaders with short side shoots
  • third year - complete leader development, promote fruiting wood
  • fifth year and beyond - det crop, keep trees calm, keep spur wood young and productive

Open Tatura with cordon

  • First year - growing fruiting units
  • second year - complete growing the fruiting units
  • third year - allow fruiting units to bud up
  • fourth year - set a crop, keep trees calm
  • fifth year and beyond - set a crop, keep trees calm, keep spur wood young and productive


  • Packham's Triumph - training system to use
    • flowering, pollination and fruit set
    • correlation between pruning and packout
  • Williams' Bon Chretien - suitable training system
    • pollination and parthenocarpy
    • training and pruning
  • Beurre Bosc - suitable training method
  • Corella (Forelle) - suitable training method
    • hints to achieve good size, shape, colour and taste

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