Chlorophyll Content, Dry Matter Accumulation, Marketable Bulb Yield, Quality and Post Harvest Nutrients Status of Soil as Affected with N Levels and Varieties in Kharif Onion (Allium cepa L.)

2018 ◽  
Vol 22 (2) ◽  
pp. 1-11
Author(s):  
Sourav Gupta ◽  
S Kushwah ◽  
S Mishra
Keyword(s):  
Chlorophyll Content ◽  
Allium Cepa ◽  
Dry Matter ◽  
Dry Matter Accumulation ◽  
Post Harvest ◽  
Allium Cepa L ◽  
Yield Quality ◽  
Bulb Yield

scholarly journals PRODUÇÃO E PÓS-COLHEITA DE DUAS CULTIVARES DE CEBOLA EM FUNÇÃO DA AGUA NO SOLO

Irriga ◽  
2016 ◽  
Vol 21 (4) ◽  
pp. 697-710
Author(s):  
Renato Carvalho Vilas Boas ◽  
Geraldo Magela Pereira ◽  
Joaquim Alves Lima Junior ◽  
Cândido Ferreira Oliveira Neto ◽  
Andre Luiz Pereira Silva
Keyword(s):  
Soil Water ◽  
Allium Cepa ◽  
Water Pressure ◽  
Matter Content ◽  
Dry Matter Content ◽  
Trickle Irrigation ◽  
Average Mass ◽  
Post Harvest ◽  
Soil Water Tension ◽  
Allium Cepa L

 PRODUÇÃO E PÓS-COLHEITA DE DUAS CULTIVARES DE CEBOLA EM FUNÇÃO DA AGUA NO SOLO  RENATO CARVALHO VILAS BOAS1; GERALDO MAGELA PEREIRA2; JOAQUIM ALVES DE LIMA JUNIOR3; CÂNDIDO FERREIRA OLIVEIRA NETO4 E ANDRE LUIZ PEREIRA SILVA5 1Engº Agrícola, Doutor, Departamento de Engenharia Agrícola-DEG/Universidade Federal de Lavras - UFLA/Lavras – MG, Fone: (35) 38291389, [email protected]º Agrícola, Prof. Doutor, Departamento de Engenharia Agrícola-DEG/Universidade Federal de Lavras -UFLA/Lavras – MG, Fone: (35) 38291389, [email protected]º Agrônomo, Prof. Doutor, Universidade Federal Rural da Amazônia - UFRA/Campus Capanema – PA, Fone: (91) 98160-6563, [email protected]º Agrônomo, Prof. Doutor, Universidade Federal Rural da Amazônia - UFRA/Campus Belém – PA, Fone:(91) 99148-7454, [email protected]º Agrônomo, Doutor, Universidade Estadual Paulista –UNESP/Jaboticabal – SP, Fone: (91) 98345-4940, [email protected]  1 RESUMO Objetivou-se, com este trabalho, avaliar o efeito de tensões da água no solo sobre a produção, classificação, teor de matéria seca e perda de massa de bulbos comerciais de duas cultivares de cebola, irrigadas por gotejamento. O experimento foi conduzido na área experimental do Departamento de Agricultura da Universidade Federal de Lavras com delineamento experimental em blocos casualizados, em esquema fatorial 2 x 6, com quatro repetições. Os tratamentos constituíram-se de duas cultivares de cebola, cultivar híbrida Optima F1 e cultivar não  híbrida Alfa Tropical, e seis tensões da água no solo, 15, 25, 35, 45, 60 e 75 kPa. Com os resultados concluiu-se que o híbrido Optima F1 apresentou melhores respostas com relação às seguintes características analisadas: produtividade de bulbos comerciais e massa média de bulbos comerciais. A cultivar Alfa apresentou maior teor de matéria seca e maior perda de massa durante o período de pós-colheita. Considerando o intervalo estudado (15 a 75 kPa), em ambas as cultivares deve-se irrigar no momento em que a tensão da água no solo estiver em torno de 15 kPa, na profundidade de 0,15 m, visando à obtenção de plantas mais produtivas, bulbos maiores e maior massa média de bulbos comerciais. Palavras-chave: Allium cepa L., irrigação localizada, tensão da água no solo  VILAS BOAS,R. C; PEREIRA, G. M.; LIMA JUNIOR, J. A.; OLIVEIRA NETO, C. F. E SILVA, A. L. P. PRODUCTION AND POST- HARVEST OF TWO ONION CULTIVARS IN FUNCTION OF SOIL WATER  2 ABSTRACT This work aimed at assessing the effect of different water tensions in soil on the development and production of two onion cultivars irrigated by drip system. The experiment was carried out in the experimental area of DAG/UFLA, from June to October 2008. The experimental design used was randomized block in factorial scheme 2 x 6, with four repetitions. The treatments comprised two onion cultivars, the hybrid Optima F1 and the non hybrid Alfa Tropical and six water tensions in the soil, i.e., 15, 25, 35, 45, 60 and 75 kPa.      The Optima Hybrid F1 presented the best answers regarding the following characteristics: yield of commercial bulbs and average mass of commercial bulbs . The cultivar Alfa showed higher dry matter content and increased mass loss during the post- harvest period. Considering the range studied ( 15 to 75 kPa) both cultivars should be irrigated when the water pressure in the soil is about 15 kPa at a depth of 0.15 m, in order to obtain more productive plants, larger bulbs and highest average mass of commercial bulbs . Keywords: Allium cepa L., trickle irrigation, soil water tension  

Correlation Studies for Bulb Yield and Yield Contributing Traits among Onion (Allium cepa L.) Genotypes

2018 ◽  
Vol 9 (4) ◽  
pp. 1-6
Author(s):  
A. A. Gulumbe ◽  
L. Abubakar ◽  
B. M. Sokoto ◽  
A. A. Aliero
Keyword(s):  
Allium Cepa ◽  
Correlation Studies ◽  
Allium Cepa L ◽  
Bulb Yield

scholarly journals Effects of irrigation and nitrogen on chlorophyll content, dry matter and nitrogen accumulation in sugar beet (Beta vulgaris L.)

2021 ◽  
Author(s):  
Wang Ning ◽  
Fu Fengzhen ◽  
Ji Jinfeng ◽  
Wang Peng ◽  
He Shuping ◽  
...  
Keyword(s):  
Sugar Beet ◽  
Chlorophyll Content ◽  
Rapid Growth ◽  
Dry Matter ◽  
Growth Stage ◽  
Growth Conditions ◽  
Nitrogen Accumulation ◽  
Dry Matter Accumulation ◽  
Plant Materials ◽  
Northeast Of China

Abstract A two-year field experiment was conducted to analyze the growth conditions, physical features, yield, and nitrogen use efficiency (NUE) of sugar-beet under limited irrigation conditions in northeast of China. A cultivar H003 was used as plant materials; six treatments (C1-C6) were included: C1, no nitrogen applied, rain-fed; C2, 120.00 kg nitrogen hm− 2, rain-fed; C3, no nitrogen applied, hole irrigation for seeding; C4, 120.00 kg nitrogen hm− 2, hole irrigation for seeding; C5, no nitrogen applied, hole irrigation for seeding; and C6, 120.00 kg nitrogen hm− 2, hole irrigation for seeding, and irrigation at foliage rapid growth stage. The irrigation supply was only 500 mL/plant once. Results showed C6 showed the highest chlorophyll content, dry matter accumulation, yield, etc. and had the best NUE among all the treatments. In conclusion, under the routine fertilization conditions of northeast of China, the cultivation measure of hole irrigation 500 mL/plant for seeding combined with irrigation 500 mL/plant at foliage rapid growth stage greatly improved sugar-beet yield and NUE.

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