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	1. OsANN4 confers stress induced by ABA signaling and regulates antioxidant accumulation
	Can Guan，Qian Zhang,Yingjie Gao,Jianchao Ma,Ying Zhu,Zhengge Zhu
	Agronomy 28 April 2017
	Show/Hide Abstract \| Cite this paper︱Full-text: PDF (4K B)

	Abstract:Annexins are Ca2+-dependent phospholipids-binding proteins constituting evolutionary conserved multigene family that widely distributed throughout animals and plants. OsANN4 is a member of rice annexin protein family. However, the functions and mechanisms of OsANN4 in stress responses and signal pathways remain unclear. GUS staining assay and quantitative RT-PCR indicated that the expression of OsANN4 is tissue-specific. In this study, OsANN4 expression was high at seedling stage. The plants which knocking down OsANN4 through RNA interference were more sensitive to ABA at the seeds germination stage comparing to wild type. It suggested that OsANN4 was involved in response to ABA signaling under abiotic stress. Furthermore, yeast two-hybrid assays demonstrated that OsANN4 interacted with OsCDPK24. This may provide potential regulation cross-talk in the abiotic stress response.
	TO cite this article:Can Guan，Qian Zhang,Yingjie Gao,Jianchao Ma, et al. OsANN4 confers stress induced by ABA signaling and regulates antioxidant accumulation[OL].[28 April 2017] http://en.paper.edu.cn/en_releasepaper/content/4730556


	2. Mapping QTLs for Rice Heat Tolerance at Heading Stage
	Zhang Changquan,Chenfei,Hongran,Li Qianfeng,Liu Qiaoquan
	Agronomy 25 April 2017
	Show/Hide Abstract \| Cite this paper︱Full-text: PDF (4K B)

	Abstract:In this paper, a japonica rice (Oryza sativa L.) variety Nipponbare, an indica variety 9311 and a set of chromosome segment substitution lines (CSSLs) which were generated using Nipponbare as the recipient parent and 9311 as the donor parent were used as the experimental materials. The CSSLs were grown in 2012 (normal temperature condition) and 2013 (high temperature condition) in Yangzhou, Jiangsu, and were used to map the quantitative trait loci (QTLs) for heat tolerance, based on the heat tolerance index [(The seed setting rate under normal temperature condition - The seed setting rate under high temperature condition) / The seed setting rate under normal temperature condition]. As a result, three QTLs for heat tolerance in rice were mapped on chromosomes 2, 4 and 12, respectively. They had LOD (logarithm of odds) scores of 2.56, 4.02 and 2.79, and contribution rates of 4. 95%, 7.99% and 5.44%. Among them, qHT12.1 showed positive effect, while qHT2.1 and qHT4.1 showed negative effect on heat tolerance. The results lay a foundation for the fine mapping and cloning of the QTLs and genes related to heat tolerance, and for the breeding of heat-tolerant rice varieties.
	TO cite this article:Zhang Changquan,Chenfei,Hongran, et al. Mapping QTLs for Rice Heat Tolerance at Heading Stage[OL].[25 April 2017] http://en.paper.edu.cn/en_releasepaper/content/4729165


	3. Climate Change and Soil Moisture Response Characteristics of Desert Steppe
	WANG Meng,DANG Xiaohong,CUI Xiangxin,DING Yanlong,LIU Zongqi,MENG Zhongju
	Agronomy 16 June 2016
	Show/Hide Abstract \| Cite this paper︱Full-text: PDF (4K B)

	Abstract: Analyzing the change of soil moisture of grassland caused by climate change has prevalent meaning in restoring ecological environment of grassland. In this study, precipitation, air temperature and evaporation capacity were taken as the main meteorological factors, climate trends and soil moisture response features of desert steppe in Inner Mongolia were analyzed. The results showed: the tendency of climate change in Inner Mongolia desert steppe was according with global Change in recent 40 years, which presented as drought, warming trends; precipitation and evaporation were the main factors in affecting soil moisture, climatic warming creates more evaporation; the difference between annual evaporation and rainfall was the intuitional factor for analysis the impact of climate change on soil water, which could better reflect soil water supply and consumption levels under the natural condition.
	TO cite this article:WANG Meng,DANG Xiaohong,CUI Xiangxin, et al. Climate Change and Soil Moisture Response Characteristics of Desert Steppe[OL].[16 June 2016] http://en.paper.edu.cn/en_releasepaper/content/4697800


	4. Experiment on influencing factors of cutting performance of cotton stalk cutting blade
	Song Zhanhua,Gao Tianhao,Li Yudao,Yan Yinfa,Li Fade
	Agronomy 30 May 2016
	Show/Hide Abstract \| Cite this paper︱Full-text: PDF (4K B)

	Abstract:In order to study the cutting performance and optimize the working parameters of cotton stalk cutting blade thus providing technical support for designing the cotton stalk cutter and harvesting equipment, using the harvesting and ripe cotton stalks as experimental material, the cutting test was performed in the microcomputer control electronic universal testing machine for different cutting blades with a self-made cutting device. An investigation was undertaken to study the effect of thickness of blade, blade angles, clamping angles, gap and the blade form combination of moving and stationary blade on the unit cutting force and the unit area cutting power of cotton stalk. The response surface analysis method

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