International Provenance Trials of Neem

Assessment of International Neem Provenance Trials

1. Core Characters, year 1 to 5






Compiled by
CJSK Emmanuel, India
A. Gaye, Senegal
B. Boontawee, Thailand
A. Thomsen, Denmark
L. Graudal, Denmark

September 1997


Contents



 

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Contents



1. Introduction and background

2. Objectives of the field assessment

3. Data to be collected

4. Plot position and tree position

5. Minimum set of characters to be assessed

6. Optional characters to be assessed

7. Organising the assessment

8. Proposed basic equipment

9. Reporting

10. References

Annex A: Site description

Annex B: Example of a sketch map

Annex C: Assessment form 1 "Assessment of health, survival, height, straightness, number of stems, diameter and crown diameter" and Assessment form 2 "Assessment of flowering and fruiting"

Figure 1. Tree position

Figure 2. Illustration of straightness

Figure 3. Neem fruit maturity