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

2. 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

3. 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.

4. 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.

5. Germinating Seed

6. Seedling

7. Tiller

8. Weed or Rice ?

9. Panicle & Spikelets

10. Panicle & Spikelets

11. Spikelet
Spikelets and grains are the same.

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

13. Flower

14. Flower

15. Flower

16. Rice Grain

17. Rice Grain

18. 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

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

20. 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:

21. Roots

22. Culm

23. Culm

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

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

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