Rib osteomyelitis in three foals

Three foals aged between 21 and 44 days were presented for evaluation of pyrexia and lameness. Each had subcutaneous abscessation associated with osteomyelitis of a rib at the costochondral junction and pathological fracture of the affected rib; one foal had more than one rib affected. Other localised sites of infection included other sites of osteomyelitis, omphalophlebitis, uveitis, enterocolitis, and calcaneal bursitis. The subcutaneous abscessation and rib osteomyelitis was treated surgically in two foals. Salmonella typhimurium was isolated from the subcutaneous abscess in one foal and from the faeces of another. Two of the three foals were euthanased. Ultrasonography was a more useful modality than radiography for establishing the diagnosis of costal osteomyelitis.     

设施老汉瓜采后干制技术研究

以设施老汉瓜为试材,采用不同成熟度、前处理、预处理温度后进行干制,测定含水率、失重率、色差等指标变化。相同的干燥温度、时间条件下,6个成熟度、2种不同的前处理、5种预处理温度的设施老汉瓜的失重率、最终含水率、总色差值在干制期内变化不同。结果表明,不同成熟度的设施老汉瓜,干制期的预处理温度、前处理和烘制温度差距,影响老汉瓜在干制过程中水分的散失。采用不同处理方式至完全干燥,可溶性固形物含量11%的设施老汉瓜,瓜干失重率、含水率、瓜干总色差值ΔE变化略慢,较好地保持瓜干的品质,适宜于老汉瓜的加工。     

巴旦杏砧木组织培养及植株再生

以新疆南疆咯什、和田地区的巴旦杏砧木品种桃巴旦、石头巴旦树上当年结的种子为试材,先用赤霉素打破休眠,消毒后接种子诱导生长及分化的培养基上。生长约一个月后,将由试管中种子培养长成的小植株剪切成长约1cm的单芽茎段,接入增殖培养基,20d后将增殖伸长的嫩茎用于生根,再将生根后的巴旦杏苗移栽到珍珠岩基质中培养,进行有效的移栽驯化管理,获得了较理想的移栽成活率。成功地进行了离体组织培养及植株再生。     

林业病虫害防治工作中的问题及对策

林业有害生物防治是国家减灾工程的重要组成部分,通过对乌拉特前旗林业有害生物防治工作存在问题的分析,提出了解决这类问题切实可行的对策措施。     

OsPPR9 encodes a DYW-type PPR protein that affects editing efficiency of multiple RNA editing sites and is essential for chloroplast development

Photosynthesis occurs mainly in chloroplasts, whose development is regulated by proteins encoded by nuclear genes.Among them, pentapeptide repeat(PPR) proteins participate in organelle RNA editing. Although there are more than 450members of the PPR protein family in rice, only a few affect RNA editing in rice chloroplasts. Gene editing technology has created new rice germplasm and mutants, which could be used for rice breeding and gene function study. This study evaluated the functions of OsPPR9...     

克拉玛依果树腐烂病病原菌鉴定及其拮抗菌的筛选

【目的】提高克拉玛依果树腐烂病生物防治的效率,为相关果树高效生物防治提供科学依据和物质基础。【方法】从克拉玛依林杨的苹果树和李子树腐烂病发病植株及周边采集病灶和土壤样品,分析病原菌及其拮抗菌的筛选及微生物分子鉴定及拮抗效果。【结果】苹果树和李子树腐烂病病原菌均黑腐皮壳菌属（Valsa）,其中李子树病原菌涉及该属的两个种：Valsa mali 和Valsa leucostoma ,而苹果树病原菌仅为Valsa mali。同时获得各类真菌拮抗菌15株,涉及4个属9个种,筛选到具有高效拮抗细菌2株,其最大抑菌圈菌落比分别达到2-11和2-79。【结论】菌株芽孢杆菌B4和B6对果树腐烂病具有较好的抑菌效果,研究报道了李子树腐烂病病原菌,为相关果树的高效生物防治提供了科学依据和物质基础。     

腐植酸复混肥对新疆膜下滴灌加工番茄产量和品质的影响

以番茄为试材,采用膜下滴灌方式,对比不同腐植酸复混肥的施用量和配比对番茄的产量与品质指标及经济效益的影响,以确定适合新疆地区加工番茄施腐植酸肥施用的适宜用量和方法。结果表明:增施腐植酸复混肥均能提高加工番茄的单株结铃数、单果质量和产量;腐植酸复混肥对加工番茄的可溶性固形物、番茄红素、硝酸盐、亚硝酸盐、总酸、总糖和维生素C含量及pH影响显著。硫酸钾和氯化钾在番茄品质上的作用有差异,硫酸钾主要增加了番茄红素、硝酸盐、总酸含量,氯化钾主要增加了pH、可溶性固形物、总糖、维生素C含量,其中硫酸钾适宜配在基肥中,氯化钾适宜配在追肥中。综合性价比,适宜推荐加工番茄腐植酸复混肥基肥配方为N-P-K配比9-17-12,腐植酸为17.5kg,微量元素为0.5kg,有机质为12.5kg,膨润土为7.5kg。复混肥追肥配方N为115g·L~(-1),K为50g·L~(-1),腐植酸为161g·L~(-1),微量元素为0.3 g·L~(-1),每7 d追肥一次,追肥2 100L·hm~(-2),增产幅度达到10.73%。     

Simulated increase of hurricane intensities in a CO2-warmed climate

Hurricanes can inflict catastrophic property damage and loss of human life. Thus, it is important to determine how the character of these powerful storms could change in response to greenhouse gas-induced global warming. The impact of climate warming on hurricane intensities was investigated with a regional, high-resolution, hurricane prediction model. In a case study, 51 western Pacific storm cases under present-day climate conditions were compared with 51 storm cases under high-CO2 conditions. More idealized experiments were also performed. The large-scale initial conditions were derived from a global climate model. For a sea surface temperature warming of about 2.2 degrees C, the simulations yielded hurricanes that were more intense by 3 to 7 meters per second (5 to 12 percent) for wind speed and 7 to 20 millibars for central surface pressure.     

水分胁迫下4种冷季型草坪草抗旱性比较研究

采用盆栽育苗法,研究了4种冷季型草坪草在不同水分胁迫下的抗旱性,结果表明：1）随着水分胁迫程度的加深,4种冷季型草坪草的外观质量和叶片相对含水量显著下降,细胞质膜透性、MDA含量和Pro含量上升。2）模糊数学综合评价结果表明,4种冷季型草坪草种抗旱性能由强到弱的顺序为：高羊茅〉多年生黑麦草〉草地早熟禾〉匍匐翦股颖。