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The Effect of Plant Density on the Period of Phenological Stages and the Quantity and Quality of Seed Production in Lentil Plants

تأثير الكثافة النباتية على مدة الأطوار الفينولوجية و انتاجية البذور لنبات العدس كماً و نوعاً

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 Publication date 2017
and research's language is العربية
 Created by Shamra Editor




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This search was conducted during 2014-2015 growing season in Agricultural research station in Al Kraeim belonging to Al Salameah district in Hamah Provence in order to study the effect of plant density on; First, the phenological stages of lentil plant calculated in day unit. Second, the seed productivity in a lentil plant calculated in g/plant, and then seed production in Hectares (Kg/ha-1).Lastly, percentage of seed protein content in seeds. In this study, three plant densities were used (200, 250, 300 seeds/m2, and was designed using Randomized Sectors in three replicates for each density. Results showed that; 1) The low density plants (200 seeds/m2) was significantly better than other densities (250 and 300 seeds/m2) in: Reaching 50% seed germination (19.4, 20.5 and 22.5 day continually) and in flowering stage (111.36, 113.6 and 114.7 day continually) and in maturation/Ripening stage (134.4, 136.6 and 137.7 day continually). Seed production per plant (1.553g/plant) in comparison by seed production of other densities (1.487 and1.376 g/plant). Percentage of seed protein (26.8%) in comparison by seed protein of other densities (26.3 and 26.19 %). 2) The higher densities (300 seeds/m2) was better in seed production in aria unit (1791.3 Kg/ha-1) in comparison by production of other densities (1492.7 and 1194.2 Kg/ ha-1).


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Research summary
أجري البحث خلال الموسم الزراعي 2014-2015 في محطة البحوث الزراعية في الكريّم في منطقة السلمية بمحافظة حماه لدراسة تأثير الكثافة النباتية على مدة الأطوار الفينولوجية لنبات العدس وإنتاجية البذور والنسبة المئوية للبروتين. استخدمت ثلاث كثافات نباتية (200، 250، 300 بذرة/م²) وصممت التجربة بطريقة القطاعات العشوائية الكاملة بثلاث مكررات لكل كثافة. أظهرت النتائج تفوق نباتات الكثافة المنخفضة (200 بذرة/م²) في التبكير بالوصول إلى 50% من الإنبات والإزهار والنضج، وكذلك في إنتاجية البذور على مستوى النبات الواحد. بينما تفوقت الكثافة العالية (300 بذرة/م²) في إنتاجية الهكتار الواحد من البذور. كما أظهرت النتائج أن نسبة البروتين كانت أعلى في الكثافة المنخفضة (200 بذرة/م²). توصي الدراسة بمواصلة الأبحاث لتحديد الكثافة النباتية المثلى لنبات العدس في منطقة السلمية.
Questions related to the research
  1. ما هي الكثافات النباتية التي استخدمت في الدراسة؟

    استخدمت ثلاث كثافات نباتية: 200، 250، 300 بذرة/م².

  2. ما هو تأثير الكثافة النباتية على نسبة البروتين في بذور العدس؟

    أظهرت النتائج أن نسبة البروتين كانت أعلى في الكثافة المنخفضة (200 بذرة/م²).

  3. ما هي الكثافة النباتية التي تفوقت في إنتاجية الهكتار الواحد من البذور؟

    تفوقت الكثافة العالية (300 بذرة/م²) في إنتاجية الهكتار الواحد من البذور.

  4. ما هي التوصيات التي قدمتها الدراسة؟

    توصي الدراسة بمواصلة الأبحاث لتحديد الكثافة النباتية المثلى لنبات العدس في منطقة السلمية، والزراعة بكثافة 300 بذرة/م² للحصول على أكبر نسبة من البروتين.


References used
ABBAS, HARDIDY,A.GAND ABDEL - RAHMAN , M .S .S. testing of some new genotype of faba bean grown at differ plant densities . asian gournal of grop scince 6: ( 2014 ), 67 - 74
AL –RIFAEE,M,TURK,M,A AND TAWAHA,A.R.M. effect of seed size and plant population density on yield .int ..of agric.and boil.,2: (2004).294-299
BEJIGA G., TSEGAYE S., AND TULLU A. “Stability of seed yield for some varieties of lentil grown in the Ethiopian highlands,” Crop Research, vol. 9, (1995). pp. 337– 343
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نفذ البحث خلال الموسم الزراعي (2014) م في الساحل السوري في محافظة طرطوس لدراسة تأثير أربع كثافات نباتية وثلاث مستويات من الأسمدة
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