Bradbrook - 2012 - Rice Farming complete with methods to increase ric

Procedure:
a. Line each container with water-absorbent material that has been pre-soaked with
water;
b. Obtain seed samples from several bags and mix;
c. Take three samples of 100 seeds each from the mix;
d. Spread the seeds evenly on the soaked material in each container (one sample one
container);
e. Cover the seeds with another layer of moist material;
f. Keep the containers at room temperature in a shaded area away from drafts and any
source of contamination;
g. Check daily to ensure that the absorbent material remains moist;
h. On the fifth (5th) and tenth (10th) day, count the number of germinated seeds in each
container.
i. Compute the germination rate:
number of germinated seeds
X 100 = germination rate (%
total number of seeds in the container
j. Obtain the average from the three samples
The higher the germination rate, the higher the seed vigor. Faster seed germination is a good
indicator that the seedling will establish well once planted in the field. Seedlings that have
good vigor at the planting stage are able to survive environmental stresses, overcome
competition from weeds and withstand or recover from insect and disease damage.
2. Testing for impurities in the seed batch
a. Take three seed samples of 100 g each from several bags;
b. Spread the seeds over a clean surface;
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