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Leaffolder (Mambibilot o Maniniklop)

Identifying marks: The adults are light brown moths with a wing span of 1.2-2 cm. A dark terminal band characterizes the outer margins of the wings. Larvae are transparent green and measure up to 2.5 centimeters (cm) in length. Adults are attracted to light at night; at daytime, they are mostly found in shaded or grass …

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How to rogue off-types

Keycheck7 Pest Management

Before maximum tillering, remove the off-types by uprooting the entire hill. From maximum tillering onwards, cut the entire hill at ground level to prevent root damage to the adjoining plants. Once the mixtures or off-types have been identified, remove them immediately. If the off-types are identified and cut at maturity stage, collect and pile them […]

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Weed Management

Keycheck7 Pest Management

Weeds to watch out 1. Cyperus rotundus (Mutha, Sudsud, Onod-onod) Adaptation of Cyperus rotundus from upland (dryland) to lowland (flooded condition) Control/Management Flooding is no longer an option to control C. rotundus. Dry tillage during dry season will expose tubers to sunlight and tubers are killed through desiccation. Pre-plant glyphosate application. Allow C. rotundus tubers […]

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Pest management recommendations in the uplands

Keycheck7 Pest Management

Pest management recommendations in the uplands Use pest-resistant rice varieties; Use clean, purified, and healthy seeds; Observe field sanitation, remove alternate hosts such as weeds; Monitor fields regularly for signs and symptoms of pest infestation, population of insect pests vs. natural enemies, damage and plant nutrition assessment; and Use pesticides as a corrective measure during […]

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How can farmers help lessen the impacts of La Nina?

Keycheck6 Water Management

1. Plant submergence tolerant rice varieties such as NSIC Rc194 (Submarino 1) and PSB Rc68 (Sacobia) in areas prone to flooding. 2. Adjust planting calendar where flowering, grain filling, and harvesting should not fall in period of heavy rainfall or strong winds. 3. Repair dikes, drainage, and irrigation canals. 4. Drain excess water from rice […]

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How to make Observation Well for Controlled Irrigation

Keycheck6 Water Management

Making the observation well 1. Make an observation well out of a plastic tube or bamboo that is 25 cm long with at least 10 cm diameter. When using a bamboo, make sure there is no node within the cut material. 2. Designate one end of the tube as top. From the topmost part of […]

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How to save water with controlled irrigation

Keycheck6 Water Management

The total water requirement for the whole cropping season varies depending on soil type, topography, proximity to drainage, depth of water table, subsoil profile characteristics, crop duration, area of contiguous fields, and cultural management practices. 1. Use shallow dry tillage. After harvesting, rotavate or plow under the field to minimize the formation of deep cracks […]

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Diagnosing nutrient deficiency

Keycheck5 Nutrient Management

A systematic approach is required in diagnosing nutrient deficiency based on visual symptoms for the following reasons: 1 Nutrient deficiency symptoms are often misdiagnosed as disease caused by pathogens. 2 Diagnosis may be complicated when: There is more than one nutrient deficiency There is simultaneous deficiency of one nutrient and simultaneous toxicity of another nutrient […]

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Fertilizer recommendations based on MOET analysis and target yields

Keycheck5 Nutrient Management

Proper management of nutrients improves crop growth and yield. It means giving the right kind and amount of nutrients at the right time. Rice plants grow and respond better to fertilizer when there is more sunlight. Option 1 Fertilizer recommendations (bag per hectare) per yield target per season if solophos (0-18-0) is the source of […]

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Functions of nutritional elements in rice

Keycheck5 Nutrient Management

Nitrogen Gives green appearance to plant parts Promotes rapid growth or increased height and tiller number Increases size of leaves and grains, number of spikelets, and protein content in the grains Phosphorus Stimulates root development Promotes earlier flowering and ripening, particularly under cool climate Encourages more active tillering Promotes good grain development and gives higher […]

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