|Table of Contents|

Effects of Water Deficit and Cultivation Mode on the Distribution of Cucumber Root System

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2020年08
Page:
38-43
Research Field:
Publishing date:

Info

Title:
Effects of Water Deficit and Cultivation Mode on the Distribution of Cucumber Root System
Author(s):
MAO Liping1; ZHAO Jing1; YI Zehui1; WANG Lige2; JIAO Xiaoyan2
(1.Institute of Vegetables，Shanxi Academy of Agricultural Sciences，Taiyuan，Shanxi 030031；2.Institute of Agricultural Environment and Resources，Shanxi Academy of Agricultural Sciences，Taiyuan，Shanxi 030031)
Keywords:
cultivation patterns; water deficit; root distribution; cucumber
PACS:
-
DOI:
10.11937/bfyy.20193564
Abstract:
In order to reveal the effects of drip irrigation water deficit on distribution of cucumber root system，and yield，and select a suitable water-saving cultivation model，‘Jinyou316’ cucumber was selected as test material，and four different treatments of irrigation and cultivation model were set at the same planting density.Four treatment were ‘wide and narrow line mode+70% irrigation amount’(T1)，‘single line mode+70% irrigation amount’(T2)，‘single line mode+conventional irrigation amount’(T3)，‘width and narrow line mode+conventional irrigation amount’(T4).Water-saving started on the 5th day after planting and continue for 237 days.Distribution of cucumber root system was determined on the 6th week after planting and the total yield was recorded.The results showed that compared with T4，the horizontal distribution of roots was limited，the vertical distribution was increased，the root surface area and volume were decreased significantly，and the yield was decreased by 10.35% in T1.The horizontal distribution of roots was limited，the vertical distribution was increased，and the root surface area and volume were decreased significantly，and the yield was decrease by 6.58% in T2.The difference in root distribution between T3 and T4 were not significant，and the yield of T3 was increased by 3.57%.Therefore，both single-row cultivation and water-saving irrigation could reduce the horizontal distribution of cucumber roots and increase the vertical distribution.‘Single line mode+conventional irrigation amount’(T3) treatment could achieve concentrated application of fertilizer under the premise of ensuring yield，‘width and narrow line mode+conventional irrigation amount’(T4) treatment could save 30% water in the case of reducing yield by 6.58%，both of the two treatments were suitable mode of drip irrigation water deficit.

References:

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Last Update: 2020-07-06