PRODUCTION TECHNOLOGY IN LANZONES Bureau of Plant Industry - Davao National Crop Research & Development Center Bago Oshiro, Davao City
Oct 30, 2014
PRODUCTION TECHNOLOGY IN LANZONES
PRODUCTION TECHNOLOGY IN LANZONES
Bureau of Plant Industry - Davao National Crop Research &
Development Center
Bago Oshiro, Davao City
Bureau of Plant Industry - Davao National Crop Research &
Development Center
Bago Oshiro, Davao City
LanzonesLanzones
Grown in Southern Tagalog and
Mindanao
10,330 ha. area planted
Grows well in clay loam soils and in places where the ground water is shallow.
Thrives best in warm humid climate with an even distribution of rainfall throughout the year.
Grown in Southern Tagalog and
Mindanao
10,330 ha. area planted
Grows well in clay loam soils and in places where the ground water is shallow.
Thrives best in warm humid climate with an even distribution of rainfall throughout the year.
Varieties:Varieties:
DUKUDUKU The tree is usually shorter than
the other varieties but has a wider crown.
Leaves are hairless.
Fruits are round and are borne from 4 to 12 fruits per raceme.
Pericarp is thick (up to 6 mm) with no latex.
It is sweet with a delectable flavor.
The tree is usually shorter than the other varieties but has a wider crown.
Leaves are hairless.
Fruits are round and are borne from 4 to 12 fruits per raceme.
Pericarp is thick (up to 6 mm) with no latex.
It is sweet with a delectable flavor.
PAETEPAETE
Grown mostly in Luzon, Misamis Oriental and Camiguin Island.
Fruit is elongated and smallest among the varieties.
Leaves are lanceolate.
The tree is erect.
Trees are relatively susceptible to bark borer infestation.
Grown mostly in Luzon, Misamis Oriental and Camiguin Island.
Fruit is elongated and smallest among the varieties.
Leaves are lanceolate.
The tree is erect.
Trees are relatively susceptible to bark borer infestation.
LONGKONGLONGKONG A variety introduced
from Thailand and Indonesia.
The fruit is sweet and tasty.
Almost seedless.
The skin or peel has no latex.
A variety introduced from Thailand and Indonesia.
The fruit is sweet and tasty.
Almost seedless.
The skin or peel has no latex.
Site SelectionSite Selection
Flat to hilly within 600 m above sea level.
The land should have a loamy or sandy soil.
2,500 – 3,000 mm annual rainfall
75-80% relative humidity
Flat to hilly within 600 m above sea level.
The land should have a loamy or sandy soil.
2,500 – 3,000 mm annual rainfall
75-80% relative humidity
Preparation of Planting MaterialsPreparation of Planting Materials
Select only plump and well-developed seeds.
Carefully remove the flesh adhering the seed.
Germinate the seeds in light loamy soils or in germination beds with sawdust.
Germinated seedling are ready for potting in 8” x 11” x 0.003 plastic bag when the first pair leaves have appear.
Select only plump and well-developed seeds.
Carefully remove the flesh adhering the seed.
Germinate the seeds in light loamy soils or in germination beds with sawdust.
Germinated seedling are ready for potting in 8” x 11” x 0.003 plastic bag when the first pair leaves have appear.
Preparation of Planting MaterialsPreparation of Planting Materials
At 12-18 months from pricking the rootstocks are ready for asexual propagation.
At 6-12 months after grafting, the asexually propagated plants are ready for field planting.
Rebagging should be done when polyethylene bag becomes brittle
Rear seedlings under a nursery shade allowing full recovery of the plants prior to field planting.
At 12-18 months from pricking the rootstocks are ready for asexual propagation.
At 6-12 months after grafting, the asexually propagated plants are ready for field planting.
Rebagging should be done when polyethylene bag becomes brittle
Rear seedlings under a nursery shade allowing full recovery of the plants prior to field planting.
Land PreparationLand Preparation
Clear/underbrush the whole area.
Plow and harrow to loosen the soil.
Plant temporary shade (ipil-ipil, madre de cacao or banana) before field planting.
Stake a distance of 5 m between hills and 5 m between rows.
Prepare holes 25 cm in diameter at a depth of 25 cm or big enough to accommodate the ball of soil supporting the bagged plants.
Clear/underbrush the whole area.
Plow and harrow to loosen the soil.
Plant temporary shade (ipil-ipil, madre de cacao or banana) before field planting.
Stake a distance of 5 m between hills and 5 m between rows.
Prepare holes 25 cm in diameter at a depth of 25 cm or big enough to accommodate the ball of soil supporting the bagged plants.
PlantingPlanting
Apply basally, 50-100 gm of complete fertilizer (14-14-14) or ammophos (16-20-0).
Remove the plastic bag and plant the seedling into the prepared hole.
Cover the hole with top soil and press gently.
Water immediately after planting.
Apply basally, 50-100 gm of complete fertilizer (14-14-14) or ammophos (16-20-0).
Remove the plastic bag and plant the seedling into the prepared hole.
Cover the hole with top soil and press gently.
Water immediately after planting.
Care and ManagementCare and Management
1. Ring weeding should be done when necessary.
2. Shallow cultivation of the plant to a radius of at least 1 m should be done twice a year or as the need arises.
3. Mulch the tree with coconut husks or grasses to conserve soil moisture.
1. Ring weeding should be done when necessary.
2. Shallow cultivation of the plant to a radius of at least 1 m should be done twice a year or as the need arises.
3. Mulch the tree with coconut husks or grasses to conserve soil moisture.
Mulching in lanzonesMulching in lanzones
Care and ManagementCare and Management
4. Pruning4. Pruning
Judicious pruning should be done during the dry season.
Cut surfaces should be applied with copper fungicides.
Start pruning when the plants is 1.5 m tall.
Decapitate the apical shoot to a height of 1 m to induce formation of secondary stems and bend the stems outward to promote good branching.
When the plants are matured, prune every after harvest to remove diseased and weak branches, and shoots which grow parallel to secondary stem.
Judicious pruning should be done during the dry season.
Cut surfaces should be applied with copper fungicides.
Start pruning when the plants is 1.5 m tall.
Decapitate the apical shoot to a height of 1 m to induce formation of secondary stems and bend the stems outward to promote good branching.
When the plants are matured, prune every after harvest to remove diseased and weak branches, and shoots which grow parallel to secondary stem.
Care and ManagementCare and Management
5. Flower thinning5. Flower thinning
Remove excess cluster of flowers that emerge in tertiary and small branches, short clusters (less than 3 inches) and overcrowded clusters to prevent deformities in fruits.
Remove excess cluster of flowers that emerge in tertiary and small branches, short clusters (less than 3 inches) and overcrowded clusters to prevent deformities in fruits.
Care and ManagementCare and Management
6. Fertilization6. Fertilization
Fertilization ScheduleFertilization SchedulePlant Age/Stage Kind of Fertilizer Rate/Plant
a) Vegetative Stage
Ammonium Sulfate (21-0-0) or
Urea (46-0-0)
100-200 g/tree/year
b) Bearing Stage Complete Fertilizer (14-14-14)
5-8 kgs/tree/year
(after harvest)
Drill or broadcast the fertilizer 1 m away from the base of the plant depending upon the topography of the land.
Drill or broadcast the fertilizer 1 m away from the base of the plant depending upon the topography of the land.
Care and ManagementCare and Management
threat to the industry
retard the growth of trees
reduced both quality and quantity
reduce yield
threat to the industry
retard the growth of trees
reduced both quality and quantity
reduce yield
PESTS AND DISEASESPESTS AND DISEASES
INSECT PESTS OF LANZONESINSECT PESTS OF LANZONES
1. Bark Borer
Serious pest of lanzones
Bark infestation suppresses flower emergence and reduces yield.
1. Bark Borer
Serious pest of lanzones
Bark infestation suppresses flower emergence and reduces yield.
a. Proxinonena sp.
Injurious among species
a. Proxinonena sp.
Injurious among species
Feeds on bark and cambium layer
Produce a scaly bark
Feeds on bark and cambium layer
Produce a scaly bark
Larva
b. Cossus sp.
Mines under the bark by feeding on it and secretes a web that form a tunnel.
Infestation occurs at the crevices between branches.
Infestation in old trees
b. Cossus sp.
Mines under the bark by feeding on it and secretes a web that form a tunnel.
Infestation occurs at the crevices between branches.
Infestation in old trees
c. Gold-banded Moth
Larvae predominant on the terminal twigs.
Dark blister-like appearance indicative of its infestation.
It penetrates the cambium layer of the twigs.
Scraping-off of infested bark is harder than Proxinonena sp.
c. Gold-banded Moth
Larvae predominant on the terminal twigs.
Dark blister-like appearance indicative of its infestation.
It penetrates the cambium layer of the twigs.
Scraping-off of infested bark is harder than Proxinonena sp.
2. Twig Borer (Cerambycid Beetle)2. Twig Borer (Cerambycid Beetle)
Control:
Damage plant parts must be pruned and burned.
Control:
Damage plant parts must be pruned and burned.
The larva bore into the stem or twig of the lanzones trees resulting in the death of plant tissue.
The larva bore into the stem or twig of the lanzones trees resulting in the death of plant tissue.
Control:
1. Mechanical Method
Scraping and pruning infested portions
2. Chemical Method
Application of insecticide after mechanical operations in knocking out the borer.
Control:
1. Mechanical Method
Scraping and pruning infested portions
2. Chemical Method
Application of insecticide after mechanical operations in knocking out the borer.
DISEASESDISEASES
This fungus disease attacks trees in areas with waterlogged condtion.
Infection starts at lateral roots and moves towards the main root up to the base of the trunk.
Externally the leaves turn yellow and gradually fall-off.
This fungus disease attacks trees in areas with waterlogged condtion.
Infection starts at lateral roots and moves towards the main root up to the base of the trunk.
Externally the leaves turn yellow and gradually fall-off.
1. Root Rot1. Root Rot
Control:
Provide good drainage
Digging and burning of dead trees
Treat infected roots and trunk with fungicides
Control:
Provide good drainage
Digging and burning of dead trees
Treat infected roots and trunk with fungicides
2. Scab
Serious disease affecting the Longkong variety of lanzones.
Exhibited by bulging of the bark.
2. Scab
Serious disease affecting the Longkong variety of lanzones.
Exhibited by bulging of the bark.
Control:
Spray Copper Hydroxide(Kocide) or Copper Oxychloride)
Control:
Spray Copper Hydroxide(Kocide) or Copper Oxychloride)
Harvest the fruits 140-150 days from flower formation to fruit ripening.
Do the harvesting early in the morning or late in the afternoon.
Harvest the fruits by climbing the tree and cut the ripe bunches with sharp cutters or pruning shears.
Harvest the fruits 140-150 days from flower formation to fruit ripening.
Do the harvesting early in the morning or late in the afternoon.
Harvest the fruits by climbing the tree and cut the ripe bunches with sharp cutters or pruning shears.
HARVESTINGHARVESTING
sort, clean, air dry and grade the harvested fruits.
pack the fruits in cartons or crates with liners or cushion to reduce damage during handling.
store the fruits in cold storage at 10 o C with relative humidity of 85-90 % to extend the shelf-life of the harvested fruits.
sort, clean, air dry and grade the harvested fruits.
pack the fruits in cartons or crates with liners or cushion to reduce damage during handling.
store the fruits in cold storage at 10 o C with relative humidity of 85-90 % to extend the shelf-life of the harvested fruits.
Post Harvest HandlingPost Harvest Handling