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Malaysia durian program

Durian, managed by what the tree is showing.

A stage-led flowering and fruit program for healthy, mature durian trees across Malaysia. Start from the tree’s actual condition—not a fixed calendar date.

Before you begin

Confirm the tree is ready.

VarietiesAll durian varieties
Tree conditionHealthy mature bearing trees
CoverageMalaysia-wide reference
ScheduleCalculated from actual flowering

Whole-cycle reference

Follow the stage, then the action.

Each mix is stated per 1000 L of water. Product use must follow the approved label and current field advice.

  1. 01

    Begin about 25–30 days before flower induction.

    Leaf maturation

    Prepare mature leaves before the flowering transition.

    Spray area
    Foliar
    Guide per tree
    About 20 L

    Reference tank mix · per 1000 L

    GreenCode product packaging

    GreenCode

    2 kg / 1000 L
    LeafPause product packaging

    LeafPause

    1 L / 1000 L
  2. 02

    Use the tree stage, not a fixed calendar date.

    Flower induction

    Support the transition from vegetative growth to flowering.

    Spray area
    Foliar
    Guide per tree
    About 10 L

    Reference tank mix · per 1000 L

    Replete product packaging

    Replete

    2 L / 1000 L
    HarvestShield product packaging

    HarvestShield

    1 L / 1000 L
    PepFruity product packaging

    PepFruity

    3 L / 1000 L
    FruitKing B product packaging

    FruitKing B

    1 L / 1000 L
  3. 03

    Follow the confirmed flowering sequence.

    Flower induction

    Continue reproductive support through the trunk application.

    Spray area
    Trunk and branches
    Guide per tree
    About 6 L

    Reference tank mix · per 1000 L

    HarvestShield product packaging

    HarvestShield

    1 L / 1000 L
    PepFruity product packaging

    PepFruity

    3 L / 1000 L
    FruitKing B product packaging

    FruitKing B

    1 L / 1000 L
  4. 04

    Apply when flower buds reach the crab-eye cue.

    Crab-eye stage

    Promote a more uniform flowering response.

    Spray area
    Flower buds
    Guide per tree
    About 6 L

    Reference tank mix · per 1000 L

    Afusion product packaging

    Afusion

    1 L / 1000 L
    HarvestShield product packaging

    HarvestShield

    1 L / 1000 L
    PepFruity product packaging

    PepFruity

    3 L / 1000 L
    FruitKing B product packaging

    FruitKing B

    1 L / 1000 L
  5. 05

    Continue at the normal 10-day interval when conditions allow.

    Flower development

    Supply amino acids and trace elements during flower development.

    Spray area
    Foliar
    Guide per tree
    About 10 L

    Reference tank mix · per 1000 L

    Replete product packaging

    Replete

    2 L / 1000 L
    Amino TE product packaging

    Amino TE

    1 L / 1000 L
  6. 06

    Choose one mineral option according to the crop stage.

    Flower development

    Support flowers while maintaining mineral nutrition.

    Spray area
    Foliar
    Guide per tree
    About 20 L

    Reference tank mix · per 1000 L

    DuriSil product packaging

    DuriSil

    1 L / 1000 LPreferred once the crop enters fruit development.
    PolyMT product packaging

    PolyMT

    1 L / 1000 LAlternative to DuriSil; select one, not both.
    HarvestShield product packaging

    HarvestShield

    1 L / 1000 L
    PhotoSynth product packaging

    PhotoSynth

    1.5 L / 1000 L
  7. 07

    Apply when flowers reach the drumstick cue.

    Drumstick stage

    Protect flowers before full bloom and early set.

    Spray area
    Flowers and flower stalks
    Guide per tree
    About 10 L

    Reference tank mix · per 1000 L

    Afusion product packaging

    Afusion

    1 L / 1000 L
    HarvestShield product packaging

    HarvestShield

    1 L / 1000 L
    PepFruity product packaging

    PepFruity

    3 L / 1000 L
    FruitKing B product packaging

    FruitKing B

    1 L / 1000 L
  8. 08

    Start after successful flowering when young fruit is visible.

    Matchstick fruit

    Prioritise early fruit retention during the critical first month.

    Spray area
    Young fruit and fruit stalks
    Guide per tree
    About 20 L

    Reference tank mix · per 1000 L

    HarvestShield product packaging

    HarvestShield

    1 L / 1000 L
    FruitKing B product packaging

    FruitKing B

    1 L / 1000 L
    FruitKing A product packaging

    FruitKing A

    2.5 L / 1000 L
    Fruit Grow product packaging

    Fruit Grow

    1 L / 1000 L
    Replete product packaging

    Replete

    2 L / 1000 L
  9. 09

    Advance by fruit size rather than a fixed date.

    Soybean size

    Continue retention and balanced early fruit development.

    Spray area
    Foliar and young fruit
    Guide per tree
    About 20 L

    Reference tank mix · per 1000 L

    FruitGuard product packaging

    FruitGuard

    1 L / 1000 L
    PhotoSynth product packaging

    PhotoSynth

    1.5 L / 1000 L
    HarvestShield product packaging

    HarvestShield

    1 L / 1000 L
  10. 10

    Continue when fruit reaches approximately egg size.

    Egg size

    Maintain fruit development and nutritional balance.

    Spray area
    Foliar and fruit
    Guide per tree
    About 10 L

    Reference tank mix · per 1000 L

    Replete product packaging

    Replete

    2 L / 1000 L
    Amino TE product packaging

    Amino TE

    1 L / 1000 L
  11. 11

    Continue when fruit reaches approximately can size.

    Can size

    Support fruit expansion and fruit-skin integrity.

    Spray area
    Foliar and fruit
    Guide per tree
    About 20 L

    Reference tank mix · per 1000 L

    FruitGuard product packaging

    FruitGuard

    1 L / 1000 L
    PhotoSynth product packaging

    PhotoSynth

    1.5 L / 1000 L
    HarvestShield product packaging

    HarvestShield

    1 L / 1000 L
  12. 12

    Use fruit development as the trigger.

    Large fruit

    Build fruit size and quality before colour change.

    Spray area
    Foliar and fruit
    Guide per tree
    About 10 L

    Reference tank mix · per 1000 L

    VitalMist product packaging

    VitalMist

    1.5 L / 1000 L
    Amino TE product packaging

    Amino TE

    1 L / 1000 L
  13. 13

    Harvest timing follows the actual flowering date and variety maturity.

    Colour change

    Finish the program as fruit approaches physiological maturity.

    Spray area
    Foliar
    Guide per tree
    About 20 L

    Reference tank mix · per 1000 L

    0-8-42+AA product packaging

    0-8-42+AA

    2 kg / 1000 L
    PhotoSynth product packaging

    PhotoSynth

    1 L / 1000 L

Field rules

Pause when conditions are not right.

  1. 01For healthy, mature, fruit-bearing durian trees throughout Malaysia.
  2. 02Applicable across durian varieties; schedule from the tree’s actual flowering stage, not a fixed date.
  3. 03Normal interval: 10 days. If rain prevents spraying, apply as soon as suitable weather returns and restart the interval from that application.
  4. 04Do not continue the flowering program on a sick or weakened tree. Restore tree health first.
  5. 05Rates shown are per 1000 L of water. Water volume per tree is a coverage guide and may require field adjustment.
  6. 06DuriSil and PolyMT are alternatives at the mineral-support stage; use one, not both. DuriSil is preferred in fruit development.

Field-specific advice

Use the program as a reference, then check the orchard.

Tree health, crop load, recent weather and spray coverage can change the final recommendation.

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