Effect of Oxygen Condition in Micro/nano-bubble Water on Leafy Vegetables Seed Germination(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:

2013年02期

Page:

28-30

Research Field:

Publishing date:

Info

Title:

Effect of Oxygen Condition in Micro/nano-bubble Water on Leafy Vegetables Seed Germination

Author(s):

JIANG Cheng-yao¹; ZHAO Shu-mei¹; CHENG Yan-fei¹; CHENG Bin¹; JI Bo-yu¹; YAMAGUCHI Tomoharu²

1.Key Laboratory of Agricultural Engineering in Structure and Environment，China Agricultural University，Beijing 100083；

2.University of Tsukuba，Tsukuba 305-8572

Keywords:

micro/nano-bubble; leafy vegetables; seed; germination

PACS:

S 63

DOI:

-

Abstract:

Taking the Chinese cabbage and lettuce as test materials，the effect of oxygenated micro/nano-bubble water on leafy vegetables seed germination were studied.The results showed that under the same optimal seeding environmental conditions in which both common water and oxygenated micro/nano-bubble water were applied，compared with seeds soaked in the common water，the evaluation indexes including cermination percentage (in short as GP)，germination energy (in short as GE) and vigor index (in short as VI) of seeds soaked in the oxygenated micro/nano-bubble water of 45 mg/L dissolved oxygen，had been significantly improved.The increased part of GP in Chinese cabbage was 14% and in lettuce was 44%.The GE improved 25% in Chinese cabbage，and 62% in lettuce.The VI in Chinese cabbage enhanced 130%，meanwhile it achieved 135% in lettuce.The oxygenated micro/nano-bubble enhanced the utilizing efficiency of dissolved oxygen，and proved that this kind of water had promoted seeds germination which contributed to shorten the breeding pregermination cycle.

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