两系杂交中籼新组合N两优2号

N两优2号是湖南年丰种业科技有限公司引用湖南杂交水稻研究中心选育的N118S与自育恢复系R302配组育成的两系杂交水稻新组合,适合在湖南省稻瘟病轻发区作中稻种植。2013年通过湖南省农作物品种审定委员会审定。     

两系超级杂交稻新两优6380在湖北枝江市种植表现及高产栽培技术

新两优6380是南京农业大学和江苏中江种业股份有限公司育成的两系杂交中籼新组合,2007年通过江苏省审定,2008年通过国家审定.介绍了其在湖北枝江市的种植表现及高产栽培技术.     

两系杂交早稻株两优02在沅陵种植表现及高产栽培技术

株两优02是用广亲和低温敏核不育系株1S与ZR02配组育成的两系杂交稻组合，2002年3月通过湖南省农作物品种审定委员会审定，2004年10月通过国家农作物品种审定委员会审定。该组合在湖南沅陵种植，表现出丰产性好、生育期稳定、抗多种病虫害、适应性广、稻米品质优等特点。总结了该组合高产栽培技术措施。     

感光型两系杂交籼稻新组合信两优625

信两优625是华南农业大学农学院利用不育系信99S与恢复系华恢625配组育成的感光型两系杂交水稻新组合,具有株叶形态好、产量较高、米质较优和适应性较广等特点,2016年通过广西壮族自治区农作物品种审定委员会审定,适宜在桂南和桂中稻作区作晚造种植。     

两系杂交水稻新组合两优新90的选育及应用

两优新90系宣城市农业科学研究所用安徽荃银农业高科技研究所选育的光温敏核不育系新安S与自育的优质多抗中籼父本XB90配组育成的两系杂交籼稻新组合,具有高产、优质、抗病性较强、广适性等特点,适合安徽省作一季中稻种植,2013年通过安徽省农作物品种审定委员会审定。     

Y两优302在三明市的种植表现及其高产栽培技术

Y两优302是长沙年丰种业有限公司选育的两系杂交水稻新组合,2010年通过国家农作物品种审定委员会审定(国审稻2010022)。总结了该组合在福建省三明市三元区的种植表现及其高产栽培技术。     

优质籼型两系杂交水稻新组合32两优706

32两优706是华南农业大学农学院采用常规育种方法育成的弱感光型两系杂交水稻新组合。该组合具有株型优良、耐肥抗倒、杂种优势强、穗大粒多、丰产性好、米质较优等特点,2018年通过广西壮族自治区农作物品种审定委员会审定。适合桂南稻作区和桂中稻作区南部适宜种植感光型品种的地区作晚稻种植。     

两系一季杂交晚稻新组合徽两优9810

徽两优9810是江西金信种业有限公司引用安徽省农科院水稻所选育的两系不育系1892S与自育的恢复系Y9810配组育成的两系一季杂交晚稻新组合,2015年4月通过江西省农作物品种审定委员会审定(赣审稻2015001),适合在江西省稻瘟病轻发区作一季晚稻种植。     

化感抑草籼型两系杂交水稻新组合化两优78

化两优78是华南农业大学农学院用化57S与华恢78配组育成的两系杂交水稻新组合,具有株叶形态好、高产稳产、化感抑草和适应性广等特点,2017年通过广西壮族自治区农作物品种审定委员会审定,适宜在桂南稻作区作早、晚稻种植.     

两系杂交稻新组合富两优236

富两优236是广东省农业科学院水稻研究所用自育低温敏型籼稻核不育系广富S与恢复系R236配组育成的感温型两系杂交稻新组合,2012年1月通过广东省农作物品种审定。该组合高抗稻瘟病,适宜广东省粤北以外稻作区早、晚季种植。     

早熟丰产机采棉花品种——新石K26

主要介绍新石K26的选育过程、生物学特性、产量、纤维品质、抗病性及栽培技术要点。     

长江流域棉花轻简高效种植技术探讨

长江流域棉区是中国三大主要产棉区之一。近年来,受劳动力成本上升,棉花用工繁多、比较效益下降,以及生产中机械化、信息化程度低等因素影响,当地棉花种植面积急剧萎缩。为改变现状,从棉花品种、轻简化机械化管理技术、绿色高效栽培技术以及现代农业信息化智能化技术等方面进行了分析,探讨了长江流域棉花轻简高效种植技术措施及研究方向,为长江流域棉花产业持续发展提供参考。     

Effects of application of nitrogen fertilizer on concentrations of P, K, S, Ca, Mg, Na, Cl, Mn, Fe, Cu and Zn in perennial ryegrass/white clover pastures in south-western Victoria, Australia

Effects of timing and rate of N fertilizer application on concentrations of P, K, S, Ca, Mg, Na, Cl, Mn, Fe, Cu and Zn in herbage from perennial ryegrass/white clover pastures were studied at two sites in south-western Victoria, Australia. Nitrogen fertilizer (0, 15, 25, 30, 45 and 60 kg ha^–1) was applied as urea in mid-April, early May, mid-May, early June and mid-June 1996 to pastures grazed by dairy cows. At Site 1, N fertilizer resulted in a linear increase in P, K, S, Mg and Cl concentrations in herbage and a linear decrease in Ca concentration. For all times of application, concentrations of P, K, Ca, Mg and Cl in herbage increased by 0·0048, 0·08, −0·010, 0·0013 and 0·053 g kg^–1 dry matter (DM) per kg N applied respectively. For S concentration, maximum responses occurred in mid-May (0·012 g kg^–1 DM per kg N applied). At Site 2, N fertilizer resulted in a linear increase in P, S and Na concentrations in herbage, a linear decrease in Ca concentration and a curvilinear increase in K and Cl concentration. The maximum responses for P, S and K concentrations in herbage occurred for the N application in mid-June and were 0·015, 0·008 and 0·47 g kg^–1 DM per kg N applied respectively. For Cl concentration, the maximum response occurred for the N application in early June and was 0·225 g kg^–1 DM per kg N applied. Overall, applications of N fertilizer up to 60 kg ha^–1 did not alter herbage mineral concentration to levels that might affect pasture growth or animal health.     

Characterization of starches of proso,foxtail, barnyard,kodo, and little millets

Scanning electron microscope (SEM) pictures of small millet starch granules showed more large polygonal and few small spherical or polygonal granules. The granules of small millets resembled those of rice starch granules. The size of the starch granules ranged from 0.8–10 m. The size of the granules was larger in barnyard millet and smaller in proso millet. Several granules showed deep indentation caused by protein bodies. SEM of starch isolated from 24 hour-germinated kodo millet showed pitting or pinholes at some points due to the attack of amylases (preferentially on bigger granules). Brabender viscoamylograph studies on small millet starches revealed that the gelatinization temperatures ranged from 75.8 to 84.9 ^° C. Barnyard millet possessed lower amylograph viscosity, minimum breakdown, and relative breakdown values when compared to the other small millets.