Abstract
* Hort. Dep. - College of Agric. / Univ. of Baghdad ** Hort. Dep. - College of Agric. / Univ. of Al-Anbar Abstract The experiment was conducted at the experimental field of Horticulture Department/ College of Agriculture/ University of Baghdad Abu-Ghraib, during the winter season of 2000–2001, to study the effect of Nahrain liquid fertilizer and heat accumulation on growth of green peas (Pisum sativum L.). Two cultivars of peas (Local and Jof) were included in this study with two seeding dates (1-10 and 1-11-2000) and four treatments from of the fertilizer spray were (zero, one, two, and three) foliar application, were used a factorial within split plot desugn was with three replication . The results showed that the local cultivar of pea required a 11 and 13 days to complete the emergence while Jof cv. Took 10, 12 days for the two planting dates respectively. The heat requirement of local cv. Differed from the Jof cv. By 20 and 10 heat unit for the time sawing date respectively. The 50 % blooming date of local cv. Plants was 10 days earlier than Jof cv. For both seasons. Also there was decrease in the heat requirement for the local cv. By 100 heat unit from the Jof cv. For the both seasons. The time from planting to harvesting was prolonged by 10, 15 days for both seasons respectively and its heat requirement was greater by 100, 50 heat unit for both seasons respectively. The local cv. Was superior to Jof cv. In days to 50 % (66.1 and 77.5 days).
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