Variation in Morphometric Characteristics and Effect of Storage and Temperature on Neem Seeds from Different Provenances in Sudan

yahia ibrahim abutaba, Ahmed M.A. Eldoma, Sayda Mahjoub Mohamed

Abstract


The main aim of the present work was to assess the variation of the neem provenances and their extended areas and the adaptation to the different eco-climatic conditions in its occurrences in Sudan. The specific objective was to study the variation in seed morphometric characteristics among seven neem (Azadirachta indica A. Juss) provenances western, central and eastern parts of the country. Investigated the seed morphometric and physiological characters. The obtained data from the three experiments was analyzed using analysis of variance and SAS software version 6.12. and the means were separated using Duncan New Multiple Range Test. The analysis showed significant variations between the provenances in most of the measured variables indicating that neem tree in Sudan is adapted to the different eco-climatic zones in Sudan. In this regard, Elfasher provenance is excelled in having significantly superior morphometric characteristics (seed length, seed width) and recording the least number of seed per kilogram, which is vice versa in Gedaref provenance. The storage and moisture content experiments showed that Abassya provenance seeds have the highest moisture content (9.7%) with least germination percentage (39%) in normal conditions. While seeds from Bara, Senga recorded the highest germination percentage (72.4%, 69.8%). In this study it was clear found that the neem tree in Sudan, although it is generated from one tree (in Shambat), it established in different provenances in various geographical locations and ecotype over Sudan, due to its adaptation ability.

Keywords


Azadirachta indica, morphometric, storage, provenance variation, adaptation

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