Influence of Irrigation Interval and Plant Density on Alfalfa Seed Production1
- S. Abu-Shakra,
- M. Akhatar and
- D. W. Bray2
Irrigation applied once every 2 weeks, providing a seasonal total of 25.7 cm of water, produced the greatest seed yield, as well as an increase in the number of pods per raceme, number of seeds per pod, and 1,000-seed weight. Plants irrigated at 3 or 4-week intervals produced the highest number of hard seeds. The 50 ✕ 50 cm plant spacing produced well developed alfalfa plants which gave relatively high seed yields of 80 kg/dunum (1,000 m2) in 1966 and 65 kg/dunum in 1967.
The variety ‘Hairy Peruvian’ produced more pods per raceme and more seeds per pod resulting in greater seed yield than that from the varieties ‘African’ and ‘Chilean.’ The Hairy Peruvian plants were the shortest of the three varieties grown.Please view the pdf by using the Full Text (PDF) link under 'View' to the left.
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