Podcast
Questions and Answers
Which of the following is NOT a commonly cultivated cassava variety in the Philippines?
Which of the following is NOT a commonly cultivated cassava variety in the Philippines?
- Lakan 1
- KU 50
- Golden Star (correct)
- Rayong 72
Cassava is primarily grown in the Philippines for ornamental purposes.
Cassava is primarily grown in the Philippines for ornamental purposes.
False (B)
What is the scientific name of cassava?
What is the scientific name of cassava?
Manihot esculenta
Selecting the right cassava variety is crucial for achieving good yields, disease __________, and marketability.
Selecting the right cassava variety is crucial for achieving good yields, disease __________, and marketability.
Match the cassava variety with its characteristic:
Match the cassava variety with its characteristic:
Which cassava variety is known for its yellow flesh and higher nutritional value?
Which cassava variety is known for its yellow flesh and higher nutritional value?
NSIC Cv 22 cassava is specifically known for thriving in waterlogged conditions.
NSIC Cv 22 cassava is specifically known for thriving in waterlogged conditions.
What is one of the primary uses of the KU 50 cassava variety?
What is one of the primary uses of the KU 50 cassava variety?
The Lakan 1 cassava variety was developed by ___________.
The Lakan 1 cassava variety was developed by ___________.
Which of the following characteristics is associated with the Rayong 72 cassava variety?
Which of the following characteristics is associated with the Rayong 72 cassava variety?
The origin of the Golden Yellow cassava variety is Thailand.
The origin of the Golden Yellow cassava variety is Thailand.
What yield potential range (in tons per hectare) is associated with the KU 50 cassava variety?
What yield potential range (in tons per hectare) is associated with the KU 50 cassava variety?
__________ cassava is known for its drought tolerance and suitability for rainfed areas.
__________ cassava is known for its drought tolerance and suitability for rainfed areas.
What is the approximate yield potential of the Golden Yellow cassava variety per hectare?
What is the approximate yield potential of the Golden Yellow cassava variety per hectare?
CIAT 30576 cassava is exclusively cultivated for animal feed due to its high fiber content.
CIAT 30576 cassava is exclusively cultivated for animal feed due to its high fiber content.
Besides industrial starch production, what is another common use for cassava in the Philippines?
Besides industrial starch production, what is another common use for cassava in the Philippines?
To maximize profits and ensure the sustainability of the cassava crop, farmers should prioritize their variety selection based on both local and market __________.
To maximize profits and ensure the sustainability of the cassava crop, farmers should prioritize their variety selection based on both local and market __________.
Which cassava variety exhibits good resistance to common pests, making it a favorable choice for cultivation?
Which cassava variety exhibits good resistance to common pests, making it a favorable choice for cultivation?
TMS 30572 is a Philippine developed cassava variety specifically bred for tolerance to extremely high altitudes.
TMS 30572 is a Philippine developed cassava variety specifically bred for tolerance to extremely high altitudes.
Although several cassava varieties are cultivated across the Philippines, all of them must demonstrate inherent _____________ to ensure they remain viable as a crucial food source in various environments.
Although several cassava varieties are cultivated across the Philippines, all of them must demonstrate inherent _____________ to ensure they remain viable as a crucial food source in various environments.
Flashcards
Cassava (Manihot esculenta)
Cassava (Manihot esculenta)
A vital root crop in the Philippines, grown for food, animal feed and industrial starch production.
Lakan 1 Cassava
Lakan 1 Cassava
Developed by PhilRootcrops; Yields 20–30 tons per hectare; starch content: 28–30%; Growth Duration: 8–10 months; Best Use: Food and industrial starch; Tolerant to common cassava diseases, Early-maturing and high-starch variety.
Rayong 72 Cassava
Rayong 72 Cassava
From Thailand; Yield potential: 20–30 tons per hectare; Starch Content: 25-28%; Growth Duration: 9-12 months; Best Use: Starch and animal feed; Moderate resistance to pests; Produces large tubers and adapts well to different soil types
Golden Yellow Cassava
Golden Yellow Cassava
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NSIC Cv 22 Cassava
NSIC Cv 22 Cassava
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KU 50 Cassava
KU 50 Cassava
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Who Develops Cassava varieties?
Who Develops Cassava varieties?
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Purpose
Purpose
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Study Notes
- Cassava (Manihot esculenta) is a vital root crop in the Philippines.
- It is cultivated for food, animal feed, and industrial starch production.
- Selecting the right cassava variety is crucial for achieving good yields, disease resistance, and marketability.
- The Philippine Root Crop Research and Training Center (PhilRootcrops) and other institutions have developed cassava varieties suited to various environments and uses.
- Commonly cultivated cassava varieties in the Philippines include KU 50, Rayong 72, Lakan 1, Golden Yellow, NSIC Cv 22, TMS 30572, CIAT 30576 and KM 94.
KU 50
- Originates from Thailand.
- Yield potential of 25-35 tons per hectare.
- Starch content is 25-30%.
- Requires a growth duration of 8-12 months.
- Best suited for industrial starch production.
- Offers moderate resistance to diseases and pests.
- Known for being high-yielding and widely adopted in commercial plantations.
Rayong 72
- Originates from Thailand.
- Yield potential of 20-30 tons per hectare.
- Starch content is 25-28%.
- Requires a growth duration of 9-12 months.
- Best suited for starch and animal feed.
- Offers moderate resistance to pests.
- Produces large tubers and adapts well to different soil types.
Lakan 1
- Developed by PhilRootcrops.
- Yield potential of 20–30 tons per hectare.
- Starch content is 28–30%.
- Requires a growth duration of 8–10 months.
- Best suited for food and industrial starch.
- Tolerant to common cassava diseases.
- Characterized as early-maturing and a high-starch variety.
Golden Yellow
- Originates from the Philippines.
- Yield potential of 15–25 tons per hectare.
- Starch content is 22–26%.
- Requires a growth duration of 8–10 months.
- Best suited for human consumption (boiled, fried, or processed into snacks).
- Resistant to mosaic virus.
- Characterized by its yellow flesh and higher nutritional value.
NSIC Cv 22
- Originates from the Philippines.
- Yield potential of 20–28 tons per hectare.
- Starch content of 25-29%.
- Growth duration of 8-11 months.
- Best used for starch and animal feed.
- Offers good resistance to common pests.
- Drought-tolerant and suitable for rainfed areas.
Factors to Consider When Choosing a Variety
- Purpose: Consider whether the cassava will be used for food, starch, or animal feed.
- Soil Type: Determine if the variety is tolerant of poor soils.
- Climate Adaptability: Select a variety that performs well in the local climate (dry or wet conditions).
- Disease and Pest Resistance: Choose varieties that reduce losses and input costs.
- Growth Duration: Consider how well the variety’s growth duration matches the farmer’s preferred planting and harvesting schedule.
Conclusion
- Cassava is a versatile and valuable crop for Philippine farmers.
- Choosing the right variety ensures better yield, profitability, and sustainability.
- Farmers should consider local conditions and market demand when selecting a variety.
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