MORPHOLOGY OF THE RICE PLANT Part 1 Understanding

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MORPHOLOGY OF THE RICE PLANT Part 1: Understanding the Palay. Check System

MORPHOLOGY OF THE RICE PLANT Part 1: Understanding the Palay. Check System

Observe Are they different varieties? Let’s differentiate

Observe Are they different varieties? Let’s differentiate

Observe Can you name them? § flag leaf § leaves § spikelets We need

Observe Can you name them? § 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

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

Germinating Seed

Seedling

Seedling

Tiller

Tiller

Weed or Rice ?

Weed or Rice ?

Panicle & Spikelets

Panicle & Spikelets

Panicle & Spikelets

Panicle & Spikelets

Spikelets and grains are the same.

Spikelets and grains are the same.

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

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

Flower

Flower

Flower

Flower

Flower

Flower

Rice Grain

Rice Grain

Rice Grain

Rice Grain

Let’s review 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 Auricle

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

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

CREDITS Instructional presentation designer: Ms. Ella Lois Bestil and Mr. Alfred Real Sources of

CREDITS 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 Phil. Rice staffers. Produced in 2011 Text: 0920 -911 -1398

Roots

Roots

Culm

Culm

Culm

Culm

Leaf 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 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

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

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