The strong effect of pollen source and pollination time on fruit set and the yield of tissue culture-derived date palm ( Phoenix dactylifera L.) trees cv. Barhee

The results indicated that the ‘Zahidi’ pollen had caused the highest percentage of normal fruit set and bunch yield significantly superior than the other pollen sources, followed by Jarvis No. 1

Nasim Mohammadi


Key concepts

Scholarcy highlights

  • Abnormal fruit set mostly in the form of setting parthenocarpic triple fruitlets is one of the most economically important disorders, which appears in trees of numerous TC-derived date cultivars including cv
  • The study was conducted as split-plot in a randomized complete block design, replicated three times, in hot, arid region of the southwest of Iran during the year 2013
  • The pollination with ‘Zahidi’ pollen at day of natural spathe cracking brought the highest percentage of normal fruit set and maximum bunch yield with acceptable fruit weight and size
  • The pollen of ‘Jarvis No 1’ at DNC yielded the highest percentage of bunch ripeness
  • This pollen which had the second best normal fruit set and bunch yield was superior in showing off key metaxeic effects i.e. fruit volume, fruit weight, and pulp to seed ratio
  • We concluded ‘Zahidi’ pollen as the best choice for increasing normal fruit set and economical yield, ‘Jarvis No 1’ pollen as the most suitable pollen source to benefit metaxenic effects and day of natural spathe cracking as the best time for pollination of the TC-derived Barhee trees exhibiting abnormal fruit set and poor yield

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