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南京农业大学农学院《New Phytologist》发表植物环境适应分子遗传研究课题组“A major gene for chilling tolerance variation in Indica rice codes for a kinase OsCTK1 that phosphorylates multiple substrates under cold”（图）
植物环境 分子遗传
2024/4/29
水稻起源于热带和亚热带，对低温十分敏感，当温度低于15℃时水稻便无法正常生长。有统计显示，每年低温冷害导致我国水稻减产约50亿kg。近年来，因直播稻大面积推广以及水稻种植区域不断由热带、亚热带向高海拔、高纬度地区扩张，水稻遭受低温冷害的频率有增加趋势。低温冷害已成为限制我国水稻生产的一大瓶颈。因此，挖掘调控水稻耐冷性的关键基因，研究其作用机理，对防控水稻低温冷害具有重要意义。
形态特征：多年生草本植物，根状茎有葡枝，茎直立，高30-70厘米。基部叶在花期枯萎，茎部叶倒披针形或倒卵状矩圆形，顶端钝或尖，上部叶缘具齿或羽状分裂；上部叶小，全缘。全部叶稍薄质，近无毛。头状花序单生于枝端并排列成疏伞房状，总苞半球形，苞片2-3层覆瓦状排列，舌状花1层，15-20个，舌片浅紫色，管状花被短密毛。瘦果倒卵状矩圆形，褐色，极扁。花期5-9月，果期8-10月。
形态特征：多年生半灌木状草本，高80-150厘米，茎褐色，具棱，多分枝，全株香气浓烈。叶卵形至长卵形，一回浅裂至二回羽状深裂，叶面叶背被绒毛。总状花序或圆锥花序卵形，生于顶部，总苞3-4层，花序托小，凸起，雌花4-8朵，花冠狭管状，檐部紫红色，具2-3裂齿，两性花8-12朵，花冠管状，檐部紫色。瘦果长圆形或倒卵形。花果期8-10月。本种植株表现变化大，在同一地区不同生境都有不同株型。
OsNRAMP2 facilitates Cd efflux from vacuoles and contributes to the difference in grain Cd accumulation between japonica and indica rice
Rice (Oryza sativa L.) Cadmium OsNRAMP2 Haplotype
2023/4/21
Cadmium (Cd) accumulation in rice grain is of health concern. Identifying genes involved in grain Cd accumulation and performing molecular breeding may reduce it. In this study, knockout of OsNRAMP2, ...
Global Transcriptome and Co-Expression Network Analysis Reveal Contrasting Response of Japonica and Indica Rice Cultivar to γ Radiation
gamma irradiation gene network morphology rice (Oryza sativa L.) transcriptomic analysis
2023/8/9
Japonica and indica are two important subspecies in cultivated Asian rice. Irradiation is a classical approach to induce mutations and create novel germplasm. However, little is known about the differ...
The qSAC3 locus from indica rice effectively increases amylose content under a variety of conditions
Amylose content Chromosome segment substitution lines Environmental effect Quantitative trait loci Rice quality
2023/8/9
Amylose content (AC) is a critical factor for the quality of rice. It is determined by the biosynthesis gene Waxy (Wx) and a variety of quantitative trait loci (QTLs). Although many QTLs have been rep...
海南热带植物园观赏花木区：第伦桃（Dillenia indica）（图）
海南热带植物园 观赏花木 第伦桃
2023/11/21
也叫五桠果，为五桠果科五桠果属常绿乔木，原产中国及东南亚， 1910年传入我国台湾，20世纪50年代未引入海南，云南、广西、广东也有种植。五桠果叶色浓绿，生势旺盛，树形壮观有气势，树冠洁净飒爽，花朵果实硕大诱人，叶、花、果都具有很高的观赏性，而且栽培管理粗放，移栽成活率高，是优美的庭园观赏树、风景区观赏树、小区绿化树、行道树。其树干粗壮挺直，大型的树冠被树头下那几块厚实的板状根牢牢撑在地面，任凭风...
Effect of Various Coating Materials on Keeping Quality of Mangoes (Mangifera indica) Stored at Low Temperature
Keeping Quality Various Coating Materials
2016/5/27
Mango fruits (cv. Chausa) were treated with different concentrations of CMC, calcium chloride and beeswax. The mangoes were then placed in boxes, each with a sponge soaked in KMnO4.The mangoes were th...
Additive insulinogenic action of Opuntia ficus-indica cladode and fruit skin extract and leucine after exercise in healthy males
Nutritional supplements Post exercise recovery Glucose clearance Glycogen resynthesis Endurance athletes Amino acids
2015/7/28
Oral intake of a specific extract of Opuntia ficus-indica cladode and fruit skin (OpunDia™) (OFI) has been shown to increase serum insulin concentration while reducing blood glucose le...
Field Efficacy of Neem (Azadirachta indica A. Juss) for Managing Soil Arthropods and Cercospora Leaf Spots Damage for Increased Yield in Peanut
Azadirachta indica A. Juss Arachis hypogeae L
2015/3/10
Field efficacy of neem (Azadirachta indica A. Juss) for managing soil arthropods and Cercospora leaf spots damage
to peanut was studied in Ghana from 2008 to 2010. Treatments consisted of neem kerne...
Will climatic changes enhance the risk of Tilletia indica in Europe?
Tilletia indica Karnal bunt wheat environmental factors quarantine pest
2015/3/3
The losses caused by T. indica consist mainly in losses of export markets, in costs of quarantine precautions, control and treatment of the infected grain. These reasons were satisfactory for implemen...
Fungal leaf spot diseases of mango (Mangifera indica L.) in Southeastern Nigeria and biological control with Bacillus subtilis
Pestalotiopsis mangiferae Botryodiplodia theobromae Macrophoma mangiferae biological control Bacillus subtilis
2015/1/30
The incidence of fungal leaf spot diseases on mango (Mangifera indica) in Southeastern Nigeria and application of a biological control measure was investigated. The survey proved that the incidence of...
Moisture-dependent physical properties of kokum seed (Garcinia indica Choisy)
kokum butter engineering properties angle of repose terminal velocity static coefficient of friction
2014/9/22
Designing the equipment for processing, sorting and sizing of agricultural crops requires information about the crops’ physical properties. The physical properties of kokum seed were evaluated as a fu...
Moisture-dependent physical properties of kokum seed (Garcinia indica Choisy)
kokum butter engineering properties angle of repose terminal velocity static coefficient of friction
2014/7/9
Designing the equipment for processing, sorting and sizing of agricultural crops requires information about the crops’ physical properties. The physical properties of kokum seed were evaluated as a fu...
Holistic Psychopharmacology of Fumaria indica (Fumitory)
Fumaria indica Fumitory Alkaloids Ayurveda
2013/1/29
Fumaria indica is a medicinal plant of the fumitory family wildly growing throughout India. Classical texts of Ayurveda, i.e. the oldest traditionally known health care and medical system originating ...
