Effects of Different Low Irrigation Limits on Growth of Tomato Plug Seedlings for Autumn-winter Greenhouse Growth(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:

2012年21期

Page:

39-41

Research Field:

Publishing date:

Info

Title:

Effects of Different Low Irrigation Limits on Growth of Tomato Plug Seedlings for Autumn-winter Greenhouse Growth

Author(s):

TIAN Qiao-ling¹; WANG Ji-qing¹; SHAO Xiu-li²; GUO Lin¹

1.College of Horticulture，Henan Agricultural University,Zhengzhou，Henan 450002;

2.Henan Agricultural Vocational College，Zhongmou，Henan 451450

Keywords:

solar greenhouse; tomato; low irrigation limits; growth of seedling

PACS:

S 641.226.5

DOI:

-

Abstract:

The ‘Fendeshuai’ tomato cultivar was used for experiment materials to produce tomato seedlings with 50 plugs in rainproof greenhouse，and peat and perlite were used for nursery substrates.Three low irrigation limits which were respectively 65%，75%，85% of relative capacity in the substrates were designed，and the morphological indexes，fresh and dry weight，root shoot ratio in the different low irrigation limits were measured and calculated.The results showed that there was no significant difference within each treatments when sowing 18 days，and the B treatment was better than others after sowing 23 days.Under this irrigation condition，the regression relation was built between leaf areas per plant and irrigation amount per day per plastic tray.The optimal irrigation low limit index was the 75 percentage of relative capacity in the substrates.

References:

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