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Effect of sowing dates and growth regulator Hypertonic concentrations on percentage of flower dropping, growth, yield and yield component ’s characteristics of broad bean ( Vicia faba L. ). | ||
| Kirkuk Journal of Science | ||
| Article 1, Volume 4, Issue 2, 2009, Pages 85-103 PDF (0 K) | ||
| DOI: 10.32894/kujss.2009.37012 | ||
| Authors | ||
| Ali.H.Rahym. AL-Dawdi; Ayob.J.Abdrhman. AL-Bayat | ||
| Abstract | ||
| This experiment was carried out at the clay soil of Kifri district (140 km north Baquba Governorate ) to study the effect of three sowing date and four concentrations of growth regulator Hypertonic on percentage of flower dropping, growth, yield and yield component’s characteristics of broad bean (Vicia faba L.Var.Tono). A Factorial experiment in a randomized complete block design with three replication was used .The results indicated that the third sowing date (30/11) gave least period for 50% flowering (92 day), appearance first legume (105.8 day) and broken stem percentage (3.79% ). Sowing date at (1/11) gave a highest plant height, while sowing date at (15/11) gave a highest seed weight (1.07 g), yield /plant (17.83 g /plant ) and seed yield ( 2.08 t/ha). The Hypertonic spray whith a concentration 1.5 ml/L water gave a highest percentage of chlorophyll a,b and total, so gave least period for 50% flowering (98.22 day),appearance first legume and least dropping flowers percentage (74.76%) . A higher seed weight (1.08 g), yield/plant (18.48 g/plant) and seed yield (2.15 t/ha) was obtained with spray concerantion 1.5 ml/L . Intraction between sowing date (30/11) and using 1.5 ml concerantion Hypertonic gave a highest percentage of chlorophyll a,b and total, so decreasing the period for 50% flowering and appearance first legume. While intraction between sowing date (15/11) and using 1.5 ml conceration gave a highest seed weight (1.15 g) , yield/plant (20.67 g/plant) and seed yield (2.28 t/ha) . | ||
| Keywords | ||
| effect; Sowing; dates; Growth; regulator; Hypertonic; concentrations; percentage; flower; dropping; Yield and yield component; Vicia faba L | ||
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