早春大棚苦瓜杂交组合比较试验

为筛选出耐低温、耐弱光、早熟性好、优质、高产,适合福州地区早春大棚种植的优良苦瓜品种,以玉银2号为对照,对6个杂交组合的生育期、农艺性状、果实商品性、抗病性、产量进行比较试验。结果表明:1302、1303表现出早熟、生长势强、雌花率高、果色绿、果实商品性好、抗病性较强等特点,每667 m 2产量分别为3 728.8 kg、3 853.6 kg,分别比对照增产11.18%、14.91%,适宜福州地区早春大棚栽培。     

设施短瓠瓜品种比较试验

以福州地区主栽短瓠瓜品种短棒瓠瓜为对照,对新选育的3个设施短瓠瓜组合2017HG1、2017HG2、2017HG3进行了品比试验.试验结果表明,2017HG2具有早熟、产量高、抗病性强等优点,适合作为福州地区早春大棚瓠瓜主栽品种进行推广种植.     

福州地区露地越冬快菜品种比较试验

为筛选出适合福州地区露地越冬栽培的耐抽薹快菜品种,以万农5号为对照品种,对来自全国各地的20个快菜品种进行了农艺性状、耐抽薹性和产量比较的研究试验。结果表明,早熟和谐5号具有整齐度高、叶色绿、心叶色黄、耐抽薹性强等特点,每667 m~2产量为3 173.4 kg,比对照增产22.86%。说明早熟和谐5号适合在福州地区露地越冬茬口推广种植。     

福州地区高产优质结球甘蓝品种引进试验

为缓解福州市夏季蔬菜淡季,以钢球50为对照,综合比较8个引进结球甘蓝新品种的农艺性状、叶球特征特性、产量及抗病性,以期筛选出适合福州地区栽培的品种。试验结果表明:格林、翠绿58这2个品种的产量高,分别比对照钢球50增产24.23%、29.23%,软腐病抗性强,适宜于福州地区夏季栽培;美味107商品性好,产量略低于对照,但外叶数少,可通过合理密植提高产量,可作为补充品种推广应用。     

黑皮冬瓜天贵369嫁接砧木的筛选与鉴定

选用6个不同砧木品种,以黑皮冬瓜天贵369为接穗,采用斜顶插接法嫁接,比较各嫁接组合产量和农艺性状。试验结果表明,以强力士F_1、强力1号为砧木的嫁接组合生长势强,综合性状表现优异,与对照(自根苗)相比丰产率分别达19.13%、16.62%,建议推广应用。     

桂林市黑皮冬瓜引种比较试验

为筛选出适应桂林栽培的高产优质冬瓜新品种,将引进的3个黑皮冬瓜新品种与对照品种铁柱168进行综合比较试验。结果表明,桂蔬6号、天贵369长势旺盛,综合性状表现优异,分别比对照品种增产44.26%和38.99%。铁宝丰产效果较好,可增产17.27%,亦可作为选择栽种对象。     

不同冬瓜品种露地爬地栽培试验初报

为筛选出适应黄冈市城郊蔬菜基地露地爬地栽培的高产优质冬瓜品种,将从地方收集的4个冬瓜农家种与对照品种粉杂冬瓜09-3进行比较试验,通过综合比较各品种的植物学性状、果实性状、产量及抗病性,结果表明:DG03、DG02长势旺盛,综合性状表现优异,分别比对照品种增产45.4%、27.3%,可作为露地爬地栽培选择对象。     

传统蔬菜品种——微型柿饼冬瓜

正微型柿饼冬瓜为北京地区特色品种,果实扁圆、形似柿饼,单瓜质量1.5～2.5 kg,风味浓郁,营养物质含量丰富,中早熟,从定植至始收45～50 d(天),每667 m2产量3 000～4 000 kg,地头销售价格比其他冬瓜品种高30%～50%。柿饼冬瓜为北京传统口味冬瓜品种,是在多年种植过程中选育而成的农家品种,因果实扁圆、形似柿饼而得名。在解放初期至20世纪80年代中期,柿饼冬瓜深受广大消费者欢迎,     

早熟冬瓜高产栽培技术

冬瓜为耐热性较强的蔬菜,是夏季上市的主要蔬菜。早熟冬瓜以主蔓结瓜为主,喜光耐热,耐湿性强,是一种理想的越夏蔬菜品种。种好早熟冬瓜应采取以下几项措施：     

河南省春露地马铃薯品种比较试验

以郑薯7号为对照,采用春播方式,在郑州对引进的7个马铃薯品种进行2 a品种比较试验,以期筛选出早熟、高产、抗逆性强,且适合河南地区推广应用的马铃薯新品种。试验结果表明,郑薯9号、中薯191、F00070综合表现较好,平均667 m~2产量分别为3 107.60、2 826.29、2 773.71 kg,分别比对照郑薯7号的2 720.26 kg/667 m~2增产14.24%、3.9%和1.97%,薯块椭圆形,薯皮光滑,芽眼浅,商品薯率分别为89.66%、76.44%和95.09%,较适合河南郑州地区春季露地示范推广种植。     

福州早春大棚瓠瓜品种比较试验

为筛选出适宜福州早春大棚栽培的早熟、优质瓠瓜品种,对早春大棚9个瓠瓜进行了品种比较试验,结果表明,青关瓠瓜具有早熟、瓜形好、产量高、抗病性强等优点,可作为福州及周边地区早春大棚瓠瓜主栽品种进行推广。     

特早熟优质大果白肉枇杷新品种‘白雪早’

‘白雪早’枇杷是由‘早钟6号’ב新白2号’杂交子代中的优良单株，通过定向培育而成的特早熟优质大果白肉新品种。果实卵圆形，单果质量51.9 ~ 61.0 g；果皮淡黄色，锈斑少，易剥皮；果肉厚、细嫩、化渣、白色，可溶性固形物含量13.9% ~ 14.9%，可食率68.5% ~ 71.8%；味鲜、清甜可口，品质佳。在福州果实4月上旬成熟，成熟期比‘早钟6号’早3 d。丰产，稳产，3年生树单株产量17.4 kg。     

特早熟优质大果白肉枇杷新品种‘三月白’

‘三月白’枇杷是从‘早钟6号’和‘新白2号’杂交子代中，通过选择优良单株，定向培育而成的特早熟优质大果白肉新品种。果实近圆形或倒卵形，大小均匀，单果质量53.5 ~ 63.4 g；果皮黄白色至淡橙红色，锈斑少，条斑明显，极易剥皮；果肉厚、细腻、化渣、白色至黄白色；可溶性固形物含量13.7% ~ 16.8%，可食率71.4% ~ 74.9%；味鲜、清甜回甘，品质佳。福州地区果实3月上旬—4月上旬成熟，成熟期比‘早钟6号’早15 d。早产，丰产，稳产，3年生树单株产量12.77 kg。     

特早熟豇豆品种比较试验

对特早熟豇豆99-1和本地主栽品种长豆角进行比较试验。试验结果表明,99-1豇豆具有早熟、丰产、优质、商品性好等特点,其丰产性尤为突出;667m2前期产量707.11kg,占总产量的36.68%,总产量1927.63kg,可作为早熟品种栽培。     

彩色马铃薯新品系SH-8多点区域比较试验

摘要：针对河北二季作区马铃薯新品种缺乏的问题，采用分子标记、EMS诱变育种、愈伤组织培养、远缘杂交等技术，创新了早熟、优质、抗病马铃薯种质资源，结合杂交育种，培育出适合河北二作区种植的彩色早熟马铃薯新品系SH-8，并以彩色马铃薯品种冀张薯5号为对照，通过多点区域比较试验，对其生育期、特征特性及产量等进行综合评价。结果表明：新品系SH-8薯块长卵圆形，皮红色，芽眼黄色，肉色红白相间，综合抗病性较强，平均667 m2产量2 124.60 kg，比对照冀张薯5号增产19.75%。新品系SH-8丰富了河北二季作区马铃薯品种。     

Effects of cannabinoids WIN and O-1602 on expression of HSPs in mice with colitis or acute pancreatitis

AIM: To investigate the effects of cannabinoids WIN55, 212-2 (WIN) and O-1602 on the expression of heat-shock proteins (HSPs), such as HSP27, HSP60 and HSP70, in the inflammatory tissues of mice with experimental colitis or acute pancreatitis (AP). METHODS: Mouse colitis was induced by feeding the C57/BL with 4% dextran sulfate sodium (DSS) for 7 d, and AP was induced by intraperitoneal injection of ceruline in the mice (50 μg/kg hourly, with a total of 6 times). The mice were intraperitoneally administered with WIN or O-1602 for the therapeutic evaluation by observing the following parameters: pathological changes of the tissues, plasma activity of amylase, plasma levels of IL-6 and cytokine-induced neutrophil chemoattractant-1 (CINC-1), and HSP expression in the colonic and pancreatic tissues. RESULTS: Compared with normal control mice, the colonic tissues from colitis mice and the pancreatic tissues from AP mice appeared obvious signs of inflammation and injury. The plasma levels of IL-6 and CINC-1 significantly increased in colitis mice and AP mice. In DSS group of colitis mice, HSP27 expression increased, but HSP60 and HSP70 were reduced in the colonic tissues. WIN showed anti-inflammatory effects on the pathological changes of colonic tissues and the plasma cytokine levels. WIN also improved the expression of HSP70 (P<0.05). In AP group, the expression of HSP27 and HSP70 in pancreatic tissues increased, and HSP60 decreased. O-1602 also showed some anti-inflammatory effects on the changes of the pathological tissues and the plasma parameters, but had no obvious effects on the HSP expression (P>0.05). CONCLUSION: The experimental colitis and acute pancreatitis in mice were induced by feeding DSS and injection of cerulein, respectively. The changes of HSP expression were different in the inflammatory tissues. WIN and O-1602 show anti-inflammatory effects and increase the expression of several HSPs to some extent.     

Roles of novel cannabinoid chemicals O-1602 and cannabidiol in DSS-induced mouse colitis

AIM:To investigate the roles of O-1602 and cannabidiol(CBD) in dextran sulfate sodium(DSS)-induced mouse colitis. METHODS:The model of colitis was induced in C57BL/6 mice by drinking water containing 4% DSS for 7 days. The model mice were treated with O-1602(5 mg/kg), CBD(1 mg/kg) or SB203580. A colitis scoring system was used to evaluate the colon local lesion, and the systemic inflammatory responses were observed by detecting the plasma levels of tumor necrosis factor α(TNF-α), interleukin 6(IL-6) and cytokine-induced neutrophil chemoattractant 1(CINC-1), and the activity of myeloperoxidase(MPO) in the lung tissues. The expression of G protein-coupled receptor 55(GPR55) was detected by the method of immunohistochemistry. The expression of p38 and phosphorylated p38(p-p38) in colon tissues was determined by Western blotting. RESULTS:O-1602 and CBD improved the pathological changes in the mice with DSS-induced colitis and decreased the plasma levels of TNF-α, IL-6 and CINC-1, and the activity of MPO in the lung tissues(P<0.05). Lower expression of p-p38 was observed after treatment with O-1602, CBD and SB203580(P<0.05). The expression of GPR55 was mainly in the submucosa of mouse colon tissues. CONCLUSION:O-1602 and CBD show protective effect on the mice with experimental colitis, and the anti-inflammatory roles of O-1602 and CBD are related to the inhibition of p38 MAPK. The expression level of GPR55 in the submucosa of mouse colon tissue is low.     

8个豇豆新品系的比较试验

以之豇28-2为对照,对8个新选豇豆品系的早熟性、农艺性状、抗病性和产量进行了试验比较,试验结果表明,品系2-13-8和5-10-7熟性较早,后期翻花能力强,采收期长,荚长、荚粗和单荚质量有较大优势,田间对枯萎病、疫病、病毒病等表现出较强抗性,前期产量和总产量高,667 m2产量分别达3206.05、3294.98 kg/667 m2,与对照差异分别达显著和极显著水平,因此,2-13-8和5-10-7可作为长沙地区的优良早熟豇豆新品系进行深入研究。     

3个豇豆株系的性状观察比较试验

对豇豆99-2,99-3,99-4三个优良株系性状进行比较试验.结果表明,豇豆99-2具有生长势好、早熟、高产、优质、商品性好等特点,丰产性尤为突出;前期产量12 304.5 kg/hm2,占总产量33 949.5 kg/hm2的36.68%,鲜荚比99-3、99-4早2～3 d上市.可作为早熟品种推广栽培.