共查询到20条相似文献,搜索用时 93 毫秒
1.
2.
甘蔗品种Co1148是从Co系中选育出来的,由沙贾汉普尔甘蔗研究所从哥印拜陀甘蔗育种研究所引进,1962年在印度北方邦推广栽培。这一出色品种作为旁遮普邦、哈里亚纳邦和北方邦西北部等亚热带地区的常规品种为各邦的糖业发展服务了大约30年。Co1148除了持续提高蔗、糖产量外,在杂交育种选育优良品种中也起着重要作用,迄今为止,在甘蔗杂交方案中利用Co1148作为亲本已经为各邦的甘蔗栽培推广了31个优秀的甘蔗品种,即COS730,758,797,7918,8315,8407,8408,8422,8432,8436,8009,85223,CoLK8001,CoS8439,87220,88216,88230,90265,90269,87231,87222,91230.91248,CoSe91423,CoS87216,CoSe93232,94423,91232,93234,CoSe95427和Co Pant84212,其中CoS758,7918,8407,8432,8436,88230,88216和90269已经为糖业服务了10年以上。此外,在品种选育的各个时期中也还有一些含有Co1148血缘的优秀选系。本文讨论了C01148在沙贾汉普尔甘蔗研究所及其所处的北方邦作为栽培品种和在育种中作为亲本的贡献。 相似文献
3.
4.
五月的一天,我还在赣州,突然接到一个电话,是学长周元龙来的,相隔二十五年,声音还是那么熟悉,同窗二年有太多回忆。元龙问修水二位同学联系电话,同时发来通讯录,告诉想搞个同学聚会,问能否参加,我表示一定会来。后来同室的永康、元养也取得联系,由此了解不少同学的近况。说心里话,能否搞成心里犯嘀咕,不是怀疑办事能力,而是八个省的... 相似文献
5.
由于强调专业化茶园建设,集中成片,造成群落内植物种类单一,长期无树木遮荫和防护,夏日受烈日暴晒,冬天遭寒风侵袭,生态条件恶劣,自然灾害频繁,水土流失严重,土壤有机质含量低,土层浅薄,茶叶产量低,自然品质不佳。茶园生态系统的能量输入由过去的有机能如有机肥、人畜力等为主转向现在的化肥、农药、除草剂、生长激素、机械等石化能为主,这种能量的变化,虽然暂时提高了产量,但从长远来看,使环境质量降低,土壤结构僵化,土地报酬递减,同时大量施用化学氮肥,也导致茶树生育不健壮,减弱抵抗自然灾害的能力。 相似文献
6.
发展大豆绿色产业创建大豆特色经济 总被引:1,自引:1,他引:0
忠县位于重庆市东部,地处三峡库区腹心地带,幅员面积2184km^2,辖42个乡镇,97万人,其中农业人口83万人,是典型的农业大县。全县属亚热带东南季风气候,以浅丘地貌为主,是大豆的适宜种植区。近年来,忠县实施可持续发展战略,按照重庆市构建三峡库区生态经济区的区域经济发展规划,充分利用本地丰富的光热水土资源,遵循“小豆子,大产业“的思路,大力发展大豆绿色产业,精心创建大豆特色经济,不断建设库区独具特色的高效生态农业。 相似文献
7.
浙江省松阳县茶叶产业办公室 《中国茶叶》2008,30(12):46-47
一项产业,带动8万茶农,惠及一方百姓。
一个市场,连结五湖四海,辐射大江南北。
松阳县地处国家生态示范区,境内群山连绵,盆地、丘陵、谷地等地貌多样,温暖湿润,冬暖春早,植被良好,是国内最适宜种植茶树的地区之一。近年来,松阳县依托良好的生态环境和悠久的历史文化,着力培育茶业这一农业支柱产业, 相似文献
8.
9.
分析了达州市马铃薯生产在自然环境,生态区域,科技支撑,良繁基地和扩种面积等方面的优势,但存在着种薯质量差,管理粗放,疫病为害重,脱毒薯推广慢,加工利用率低等问题;而马铃薯因增产潜力大,比较效益高,种植简便,用途广泛而在达州的发展前景广阔;建议通过调整规划,加强技术创新,推动脱毒薯应用,发展加工与销售,加大支持力度等途径,促进达州市马铃薯生产发展。 相似文献
10.
西岩山是粤东名山,位于广东省素有“中国单丛茶之乡”的梅州市大埔县内,主峰海拔1256米,风景秀丽,奇石众多,形态各异,特有灵气,这里高山层林叠翠、云雾缭绕,清泉飞泻,占尽“高山云雾出好茶”的得天独厚的条件,历来流传着不少优美动人的传奇故事,给这座名山平添了几许神秘的色彩。 相似文献
11.
关于大豆优质高产问题的研讨 总被引:10,自引:3,他引:10
本文根据世界大豆市场情况,指出我国大豆生产应加强科学研究,尽快推出一批优质高产大豆品种,才能使我国大豆在国际国内市场具有竞争力,同时提出一些具体技术途径。 相似文献
12.
13.
大豆高油高产高效栽培试验研究初报 总被引:3,自引:2,他引:3
通过栽培试验,研究不同气候条件、播期和施肥技术对高油大豆品种脂肪含量及产量的影响,获得适宜黑龙江垦区西部大豆保油、高产、高效栽培技术措施。 相似文献
14.
15.
16.
An initial population of PHU-STN hybrid diploid potatoes was screened in 1978 at the Mountain Horticultural Crops Research Station, Fletcher, N.C. for high specific gravity and tuber production. Sixty clones were selected for testing under high temperatures at two North Carolina coastal locations. Twenty-seven clones maintained a relatively high specific gravity and acceptable tuber production under these high temperatures. The other 33 either were low in specific gravity or produced few, if any, tubers. Specific gravity was lower at the two coastal locations than at the Mountain Horticultural Crops Research Station. The 27 relatively stable, high specific gravity clones were retested in 1980 along with seven additional clones included for the first time. Severe high temperatures resulted in low survival rates and low specific gravity. However, eight clones maintained a relatively high specific gravity in relation to the rest of the population. 相似文献
17.
针对勃利县大豆生产情况和对高蛋白大豆的需求,提出采用连片种植、选择种植高蛋白大豆新品种、深松秋整地、种子处理、测土配方施肥、加强田间管理和大豆标准化"垄三"栽培技术等措施。 相似文献
18.
19.
High performance fibers have distinguished properties such as high tensile strength, good thermal and chemical resistance, dimensional stability, lightweight, and high electrical conductivity. Due to these superior properties, high performance fibers made it to the scene of broad range of applications such as aerospace, automotive, windmill, fiber reinforced composites, high strength tethers, tendons for scientific balloon, tension structures, protective clothing, and marine. Examples of such fibers are Zylon®, Kevlar®, and Vectran®. However, the fibers lose their strength significantly upon exposure to Ultraviolet (UV) and visible light. In this research, UV protective films from extruded low density polyethylene (LDPE) loaded with different content of UV stabilizers (TiO2 nanoparticles and White PE CC®) were investigated. To assess the degree of UV blockage of each extruded protective film, their transmittance to UV and visible (UV-VIS) light was measured. Additionally, Zylon® braids were sheathed with the protective films and the strength of the braids and yarns raveled from braids was measured before and after UV exposure for different number of days. LDPE loaded with White PE CC® and 10 % TiO2 showed the least transmittance to UV-VIS and their yarns and braids exhibited highest strength retention after exposure to artificial UV. Strength retention of braids was higher than that of individual yarns due to weak link effect and braid structure assistant. 相似文献
20.
根据甘蔗生长对环境条件的要求和甘蔗各个生育期的不同特性,探讨弥勒蔗区"双高"甘蔗新植蔗、宿根蔗的田间管理技术. 相似文献