Blossoming Characteristics in Black Cumin Genotypes in Relation Seed Yield Influenced by Sowing Time

Abstract

Black cumin (Nigella sativa L.; Family-Ranunculaceae) is an important spice crop. Mature seeds are consumed for edible and medical purposes and also used as a food additive and flavour. Seed of black cumin has great potentiality as spice crop due to nutritive and medicinal values. The experiments were carried out at Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur during 2011 to 2012 to determine optimum planting time for seed production of black cumin. The experiment was two factorials.

Varietal Evaluation of Black Cumin (Nigella sativa L.) in Prayagraj Agro-Climatic Conditions

“…Time of sowing and climatic condition are important factor that influence flowering of crop.When seed will germinate early the growth and flowers will come early. Similar results were also observed by Haq et al, [11], Shadia et al, [12] in nigella Sharangi et al, [13] and Naghera et al, [14] in coriander are accordance with the present findings.…”

“…The earliness and late germination will affect the maturity of crop. Time of sowing and climatic condition are important factor that influence germination of seed Similar results were also observed by Haq et al, [11], Shadia et al, [12] in Nigella Sharangi et al, [13] and Naghera et al, [14] in coriander are accordance with the present findings.…”

Influence of Different Dates of Sowing, Fertilizer Level and Weedicides on Growth and Yield of Nigella (Nigella sativa L.) under Semi-Arid Conditions

“…The maximum plant height at 60 DAS (15.0 cm), 90 DAS (40.8 cm) and harvest (44.0 cm), more number of primary branches per plant at 60 DAS (5.4), 90 DAS (6.6) and at harvest (6.6), per plant higher number of secondary branches at 60, 90 DAS and at harvest (5.3, 6.8 and 8.5, respectively), higher number of green leaves at 60 and 90 DAS (11.2 and 32.9) and higher fresh weight of green leaves at 60 and 90 DAS (3.2 g and 2.4 g) as well as days taken to 50 per cent flowering (77.9) were obtained when nigella crop sown on 1 st November followed by crop sown on 15 th November and 30 th November. Similar findings were also observed by Haq et al, (2015), Shadia et al, (1998) in nigella, Sharangi and Roychowdhury (2014) and Naghera et al, (2000) in coriander are accordance with the present findings. Amongst three fertilizer doses, utmost plant height (44.9 cm), number of primary branches/plant (6.0), secondary branches/plant (7.4), number of green leaves/plant (31.0) and days taken to 50 per cent flowering (74.8) were recorded under fertilizers dose of 40:40:20 kg NPK per ha (F 2 ) which was recorded significantly superior over fertilizers doses 30:30:15 and 50:50:25 kg NPK per ha.…”

“…The data on various yield attributes and yield of black cumin were shown in Table 2, revealed that, maximum Siliqua per plant (16.1), seed per siliqua (71.1) and siliqua size (0.89 cm) and highest seed yield (778.8 kg/ha), straw yield (1484.0 kg/ha) biological yield (2262.9 kg/ha) and harvest index (36.2 %) were also recorded in crop sown on 1 st November followed by 30 th November and 15 th November sown crop. Significant improvements in yield attributes of nigella were found in 1 st November sown crops is in close agreement with findings of Haq et al, (2015) and Shadia et al, (1998) in nigella and Sharangi and Roychowdhury (2014) in coriander. Yield parameters were also influenced significantly by the different NPK levels.…”

EFFECTS OF WEED CONTROL ON SEED YIELD AND FATTY OIL RATIO OF BLACK CUMIN (Nigella sativa L.)

“…The seed essential oil and its main active constituent, thymoquinone, are reported to exhibited protective effect against many disases depending on its high antioxidant activity (Mariod et al, 2009). Currently, black cumin seed-producing countries are: India, Pakistan, Sri Lanka, Bangladesh, Nepal, Egypt, Syria, Saudi Arabia, Turkey, Iran, and Iraq (Haq et al, 2015). Black cumin is generally cultivated under dry farming conditions.…”