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06
Aug

Equipment for Germination Test

 

Equipments used fir Germination test are

1. Seed germinator.

2. Seed counting equipment.

3. Sand boxes & sand Benches

4. Germination paper/ Filter paper etc.

5. Petri dishes/ Plastic Boxes.

6. Sand or soil sterilizer.

7. Refrigerator, hot air oven.

06
Aug

Sampling for Germination Test

1. The objective of sampling is to obtain a representative sample of suitable size for the required germination test.

2. A representative sample is one, which contain the same constitutes which are present in the seed lot and in the same proportions.

3. A good rule of thumb for determining how many bags to sample is to take samples from a number of bags that represents the square root of the lot size.

4. For example if the lot contains nine bags, then sample at least three

06
Aug

Germination test

1. The purpose of testing of seed germination is to assess seed quality or viability and to predict performance of the seed and seedling in the field.

2. The ultimate aim of testing the germination in seed testing laboratory is to obtain information about the planting value of the seed sample and by inference the quality of the seed lot.

3. In addition, the laboratory germination results are also required for comparing the performance potential or superiority of the different see

06
Aug

Seeding rates and plant populations

Seed rate depends upon method of sowing, test weight i.e. weight of 1000 healthy seeds, germination percentage, spacing, number of seedlings per hill and type of rice variety used as follows:

Seed rate for transplanted rice:

Rice types                        Seed rate (kg/ha)

Coarse variety                         50-55

Fine variety     &nbs

06
Aug

Water Quality

 

1. While ample irrigation, water is necessary for a productive rice crop, poor quality water can cause soil-related problems that negatively impact rice. Some of the predominant soil-related problems that affect rice include salinity (high soluble salts), zinc deficiency, phosphorus deficiency and excessive sodium, which causes poor physical soil conditions. 2. salinity
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