This study has been conducted to evaluate the genotypes of the crops (Coriander, Nigella and Cumin). Collected was undertaken during the period from 2nd February – 2nd May 2007 from different locations of Wadi Hadhramout. Five seed samples of Cumin were planted in 22nd September 2007 while 34 seed samples of Coriander and 27 seed samples of Nigella were planted in 31st of October 2007. Each crop was planted in an a separate plot in the Experimental Souwairi Research Farm. Plot size was 6 X 4.2 cm and. Each plot contains 6 rows with 6 m in length with distance between rows of 70 cm and a distance between plants of 25 cm. Data was collected on plants' morphological characteristics, fruits and yield. Results indicated that all Coriander and samples may belong to one variety. This also holds true for the Cumin samples. Different results observed about branches number, plant height and yield per plant were not significant. Results of Nigella crop indicated that there were two genotypes in Wadi Hadhramout as they differed in growth, flowering, polling, early flowering, leave, and infection with phyllody disease. The 1st genotype is early maturing and dwarf, while the other is tall and late maturing. The study recommended that these genotypes require adequate attention so as to keep them as bases for crop improvement in the future.
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