干旱胁迫条件下大豆的生长反应

Q3 Agricultural and Biological Sciences

Research on Crops Pub Date : 2023-03-04 DOI:10.31830/2348-7542.2023.roc-11160

A. Aziez

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引用次数: 0

摘要

土壤中的水分含量对大豆的生长有重大影响，如果土壤中的湿度显著下降，大豆植株将受到干旱胁迫。但是，干旱胁迫的表现和承受程度还有待观察。因此，本研究于2020年8月至11月在印度尼西亚中爪哇省博约拉里市桑比市德曼甘村的塑料房中进行，旨在了解大豆在干旱胁迫下的生长反应。该研究采用随机完全区组设计（RCBD），重复三次。第一个因素是土壤水分，它由四个水平组成，即100%、75%、50%和25%的田间容量。第二个因素是生长期，它由三种因素组成，即活跃营养期、开花期和种子灌浆期。结果表明，在各生育期，50%田间持水量的土壤都会导致叶片大小、茎干重、根干重和植株干重的下降。在种子灌浆期，100%田间持力时叶片大小、茎干重、根干重和植株干重最大，25%田间持力最低。研究结果表明，大豆生长对干旱胁迫最敏感的阶段是灌浆期。实际意义是，大豆的生长应该在田间容量范围内，尤其是在种子灌浆阶段。

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Growth response of soybean (Glycine max L.) under drought stress condition

The amount of moisture in the soil has a significant impact on the growth of soybean, if there is a significant drop in the amount of moisture present in the soil, the soybean plant will undergo drought stress. But, the performance and extent of withstand of drought stress is yet to be scrutinized. Therefore, this study was conducted in plastic houses in Demangan Village, Sambi, Boyolali, Central Java, Indonesia, from August to November 2020 with an aim to know the response of the soybean growth under drought stress. The study was laid out in a randomized complete block design (RCBD) replicated thrice. The first factor was the soil moisture, which consisted of four levels, namely, 100, 75, 50 and 25% field capacity. The second factor was the growth phase, which consisted of three kinds, namely, active vegetative, flowering time and seed filling period. The results showed that soil moisture of 50% field capacity in all growth phases caused to decrease in leaf size, shoot dry weight, root dry weight and plant dry weight. The maximal leaf size, shoot dry weight, root dry weight and plant dry weight were obtained in 100% field capacity in the seed filling phase, while the lowest at 25% field capacity. The study findings showed that the most sensitive phase of soybean growth to drought stress was in the seed filling phase. The practical implication was that the soybean growth should be in field capacity, especially in the seed filling phase.

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来源期刊

Research on Crops Agricultural and Biological Sciences-Soil Science

CiteScore

1.50

自引率

0.00%

发文量

审稿时长

1 months

期刊介绍： The Research on Crops is a peer-reviewed journal publishing original research papers, review articles and short communications in English on all basic and applied aspects of crop sciences, agricultural water management, agro-climatology, agroforestry, agronomy, crop production, crop protection, cropping systems, food science & technology, genetics & plant breeding, horticulture, plant & soil science, plant biotechnology, plant nutrition, post-harvest management of crops, seed science, soil management & tillage, vegetables, weed science, agricultural engineering, agri-business, agricultural economics and extension, etc. The aim of the journal is to provide a forum for the scientific community to publish their latest research findings. The manuscripts submitted for publication should not contain data older than 4 years on the date of submission. The articles submitted for publication in this journal should not be submitted elsewhere simultaneously for publication in another journal. These should not carry any copyright material without prior permission of copyright holder. The articles should present a complete picture of the investigation made and should not be split into parts. There is no prescribed limit regarding the number of pages in case of full-length articles. However, the authors are advised to keep the length of their articles from 4 to 10 full printed pages of the journal. The articles should be divided into the sub-sections: ABSTRACT, INTRODUCTION, MATERIALS AND METHODS, RESULTS AND DISCUSSION, CONCLUSIONS, and REFERENCES. Tables and figures should be appended separately at the end.