MORPHOLOGY OF THE RICE PLANT

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Presentation transcript:

MORPHOLOGY OF THE RICE PLANT Part 1: Understanding the PalayCheck System

Observe Are they different varieties? Let’s differentiate Ask participants if they think the two plants are different varieties. To those who answered ‘no’ ask them why. Then reveal the differences of the two. Let’s differentiate

Observe Can you name them? We need to know the rice plant better. flag leaf leaves spikelets We need to know the rice plant better.

Why do we need to know the rice plant? To differentiate and characterize varieties. To facilitate communication among people involved in rice research, promotion, production, and utilization. To distinguish rice seedlings from grass weeds. To provide key information for better management.

Germinating Seed

Seedling

Tiller

Weed or Rice ?

Panicle & Spikelets

Panicle & Spikelets

Spikelet Spikelets and grains are the same.

Floret Some varieties have awns. Breeders remove awns when they breed new varieties.

Flower

Flower

Flower

Rice Grain

Rice Grain

Which part/s of the rice plant differentiates it from the grassy weed? Let’s review Which part/s of the rice plant differentiates it from the grassy weed? Ligule Allow participants to answer before revealing the answers. Auricle

Let’s review What part/s of the rice plant differentiates varieties from each other?

CREDITS Mr. Alfred Real Note: Instructional presentation designer: Ms. Ella Lois Bestil and Mr. Alfred Real Sources of technical content/reviewers of presentation: Mr. Alfred Real Note: Adapted from a powerpoint presentation developed by: Mr. Alfred Real You may use, remix, tweak, For more information, visit: & build upon this presentation non-commercially. However, always use with acknowledgment. Unless otherwise stated, the names listed are PhilRice staffers. Produced in 2011 Text: 0920-911-1398

Roots

Culm

Culm

The Blast disease manifest at the collar. Leaf The Blast disease manifest at the collar.

Leaf Varieties differ in leaves. Hybrid varieties have wider leaves than the inbred.

Leaf The flag leaf supplies photosynthetic products to the panicle. Hybrid has wider flag leaves than the inbred varieties.