The influence of planting times and silicon doses on the yield of crisphead lettuce

被引：9
|
作者：
de Resendel, Geraldo M. [1 ]
Yuri, Jony E. [2 ]
de Souza, Rovilson Jose [3 ]
机构：
[1] Embrapa Semi Arido, BR-56302970 Petrolina, PE, Brazil
[2] Univ Vale RIo Verde, BR-37410000 Tres Coracoes, MG, Brazil
[3] Univ Fed Lavras, Dept Agr, BR-37200000 Lavras, MG, Brazil
来源：
HORTICULTURA BRASILEIRA | 2007年 / 25卷 / 03期
关键词：
Lactuca sativa; total and commercial fresh mass; post-harvest conservation;
D O I：
10.1590/S0102-05362007000300026
中图分类号：
S6 [园艺];
学科分类号：
0902 ;
摘要：
The influence of planting times and silicon levels were evaluated on yield and post-harvest quality of crisphead lettuce, cv. Raider. Two trials were carried out in Tres Pontas, Minas Gerais State, Brazil, from May to August of 2002 (winter season) and November to January of 2003 (summer season). A randomized complete block design of split-plots was used, with two planting times applied to the main plots (winter and summer season) and five silicon levels (0.0; 0.9; 1.8; 2.7 and 3.6 L ha(-1)) applied to the subplots in four replications. The highest total and commercial fresh mass and head circumference were obtained in the winter planting times. A quadratic model adjusted for silicon levels showed that 2.0 and 2.7 L ha(-1) levels resulted in the highest yield of total and commercial fresh mass, respectively. A maximum circumference of 40.1 cm was obtained with 2.1 L ha(-1) silicon, according to a quadratic model. The winter planting showed better post-harvest conservation than the summer planting when evaluated by a scale at 10 and 20 days after harvest. The application at 20 days after transplantation showed a quadratic effect where 2.0 L ha(-1) silicon level promoted the best post-harvest conservation of crisphead lettuce.
引用
收藏
页码：455 / 459
页数：5
相关论文
共 50 条
  • [1] Influence of planting times and zinc doses on crisphead lettuce
    de Resendel, Geraldo M.
    Yuri, Jony E.
    de Souza, Rovilson J.
    HORTICULTURA BRASILEIRA, 2008, 26 (04) : 510 - 514
  • [2] Response of crisphead lettuce to rates and application times of molybdenum in winter planting
    de Resende, Geraldo Milanez
    Yuri, Jony Eishi
    Mota, Jose Hortencio
    de Souza, Rovilson Jose
    CIENCIA E AGROTECNOLOGIA, 2008, 32 (01): : 143 - 148
  • [3] Yield and content of macronutrients in crisphead lettuce (Lactuca sativa L.) in the summer planting as a function of nitrogen and molybdenum doses
    de Resende, Geraldo M.
    Rezende Alvarenga, Marco Antonio
    Yuri, Jony Eishi
    de Souza, Rovilson Jose
    Mota, Jose Hortencio
    de Carvalho, Janice Guedes
    Rodrigues Junior, Juarez Carlos
    CIENCIA E AGROTECNOLOGIA, 2009, 33 (01): : 153 - 163
  • [4] Doses of nitrogen and molybdenum effects on yield and micronutrient content of crisphead lettuce plants
    de Resende, Geraldo M.
    Alvarenga, Marco Antonio R.
    Yuri, Jony E.
    de Souza, Rovilson Jose
    HORTICULTURA BRASILEIRA, 2010, 28 (03) : 266 - 270
  • [5] Yield and postharvest quality of winter growing crisphead lettuce as affected by doses of nitrogen and molybdenum
    de Resende, Geraldo M.
    Alvarenga, Marco Antonio R.
    Yuri, Jony E.
    de Souza, Rovilson Jose
    HORTICULTURA BRASILEIRA, 2010, 28 (04) : 441 - 445
  • [6] Yield of crisphead lettuce under different amounts of irrigation
    de Lima Junior, Joaquim Alves
    Pereira, Geraldo Magela
    Geisenhoff, Luciano Oliveira
    Vilas Boas, Renato Carvalho
    da Silva, Wellington Gomes
    Pereira da Silva, Andre Luiz
    SEMINA-CIENCIAS AGRARIAS, 2012, 33 : 2681 - 2688
  • [7] Effect of irrigation on the crisphead lettuce yield, in protected environment
    de Lima Junior, Joaquim A.
    Pereira, Geraldo M.
    Geisenhoff, Luciano O.
    Costa, Gustavo G.
    Vilas Boas, Renato C.
    Yuri, Jony E.
    REVISTA BRASILEIRA DE ENGENHARIA AGRICOLA E AMBIENTAL, 2010, 14 (08): : 797 - 803
  • [8] Nitrogen and molybdenum rates on the yield and macronutrients content in crisphead lettuce
    Resende, Geraldo M.
    Alvarenga, Marco Antonio R.
    Yuri, Jony E.
    de Souza, Rovilson Jose
    HORTICULTURA BRASILEIRA, 2012, 30 (03) : 373 - 378
  • [9] YIELD AND QUALITY RESPONSES OF CELERY AND CRISPHEAD LETTUCE TO EXCESS BORON
    FRANCOIS, LE
    JOURNAL OF THE AMERICAN SOCIETY FOR HORTICULTURAL SCIENCE, 1988, 113 (04) : 538 - 542
  • [10] RELATIONSHIP BETWEEN CORKY ROOT DISEASE AND YIELD OF CRISPHEAD LETTUCE
    DATNOFF, LE
    NAGATA, RT
    JOURNAL OF THE AMERICAN SOCIETY FOR HORTICULTURAL SCIENCE, 1992, 117 (01) : 54 - 58
12345