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今年以来,昆明斗南花卉批发市场上的百合品种结构出现了新变化,继今年1月份起亚洲百合退出大宗市场外,最近一段时间,已种植10余年的红色代表品种‘元帅’出现隐退迹象,“OT”系列百合品种‘罗宾娜’取而代之,其产量逐渐增加,价格居高不下,有望成为今后红色系的代表品种而畅销国内外市场。 相似文献
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母亲节前后昆明斗南花市康乃馨日上市量猛增至1200万支,均价也从4月份的0.33元/支涨至0.60元/支,其中红色系列(挑红色、红色)品种最为畅销,均价为0.70元/支。红色系主打品种‘达拉斯’(‘Dallas’)无论是规模还是价格日渐衰落,而其相似品种‘红色恋人’(‘Bombay’),上市量飙升,价格居高不下,成为康乃馨新秀。 相似文献
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Summary Self-pollination of hazelnut (Corylus avellana L.) cultivars in 1988 and 1990 revealed the existence of partial self-compatibility in Tombul and Montebello. Percent cluster set in these cultivars averaged 44 and 20%, respectively, but was less than 10% in 8 other cultivars investigated. Percent cluster set from pollination with Segorbe averaged 62 and 41% in 1988 and 1990, respectively. Self-pollination produced 40% fewer nuts per cluster and twice as many blanks as cross-pollination. All cultivars and selections have an active sporophytic incompatibility system.Evaluation of self-compatibility in seedlings from the cross Montebello × Compton revealed that the partial self-compatibility of the maternal parent was transmitted to some of the progeny. Self-pollination resulted in greater than 10% cluster set in two selections, OSU 41.134 and OSU 43.025, in both years, but only in 1988 in OSU 42.089 and Willamette. Three other selections had very low set in both years. Results of incompatible crosses with standard testers were generally in agreement with those of self-pollination, except that the S2 tester induced greater set on 3 genotypes in 1988 and the S1 tester on 2 genotypes in 1990 than self-pollination. The partial self-compatibility of Montebello, OSU 41.134, and OSU 43.025 appears to be due to a failure of their stigmas to prohibit pollen tube growth in incompatible crosses. There is no evidence of a pollen-part mutation in Montebello, nor is there evidence that partial self-compatibility is due to the interaction of S-alleles, as Barcelona, which has the same alleles as these three genotypes, failed to set nuts in all incompatible crosses. 相似文献
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‘林隆2号’是上海市花卉育种中心于1998年开始选育的新品种,利用引进品种‘Mable’作母本,‘Red Corso’为父本进行杂交,在F1后代中选育优良单株,通过组培扩繁培育而成的。经2001年至2003年三年试种,表现生长整齐,性状稳定,具有与父母本及其他类似品种不同的特性,于2003年通过品种审定。该品种属大花型切花,花茎高度68cm-86cm,花色为桃红,与国外著名品种‘Dallas’相似,花蕾卵形,紧实,开放前裂口呈五星形,花朵较大,盛开时花朵直径可达8cm-10cm并有淡雅的香味。花朵重瓣程度高,花瓣在50-60片之间,花瓣边缘成锯齿形,花朵整齐比较美观。‘林… 相似文献
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‘自由人’槭栽培技术 总被引:1,自引:0,他引:1
<正>‘自由人’槭是红花槭和银白槭杂交系中最出色的改良品种,不仅继承了红花槭的优异观赏性,而且继承了银白槭的广泛适应性,生长速度快,是引进观赏树种中不可多得的优良品种。‘ 相似文献
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为研究红色蝴蝶兰花性状遗传规律,解决国内蝴蝶兰主流品种‘大辣椒’易患煤污病的问题,以‘大辣椒’(Phalaenopsis‘Big chili’)和‘0436’(P.‘Red swan’)为亲本,进行正反交。研究结果表明:(1)蝴蝶兰‘大辣椒’和‘0436’正反交后代花色性状出现了显著的分离,花底色玫红色的深度出现了梯度变化,正反交后代的分离规律基本一致。花底色应是由多对基因控制的复杂遗传,且红色由显性基因控制,显性基因越多,花色越深。(2)蝴蝶兰花心颜色、花纹颜色和叶片性状可能为显性遗传。‘大辣椒’和‘0436’正反交后代的花心颜色、花瓣纹路、花期和叶片性状表现均倾向于‘0436’,可有效解决‘大辣椒’叶片易患煤污病的问题,杂交后代因分泌蜜露造成的煤污病发病率降低至25%以下。(3)‘大辣椒’和‘0436’正反交后代的花径、花朵数和花序长度平均值均低于双亲,中亲或超亲优势不明显。 相似文献
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喀什‘灰枣’‘骏枣’果实主要营养物质相关性分析 总被引:1,自引:0,他引:1
为研究喀什红枣果实主要营养物质间的相关性,以5年生喀什‘灰枣’和‘骏枣’为对象,测定成熟期果实矿质元素、总糖、总酸和维生素C含量。‘灰枣’和‘骏枣’果实主要矿质元素含量顺序均为:钾氮钙磷镁铁锌铜锰硼。测定的13个营养物质指标中铁、镁、钾、磷、氮、维生素C和总酸7个指标的含量‘骏枣’极显著高于‘灰枣’,钙和总糖2个指标的含量‘骏枣’与‘灰枣’无差异;硼、锌、铜、锰4个指标的含量‘灰枣’较‘骏枣’高,但无显著差异。果实的矿质元素、总糖、总酸和维生素C共13个指标的72组相关性数据中,‘灰枣’72组全部存在相关性,其中35组具有显著相关性;‘骏枣’有71组数据存在相关性,其中30组具有显著相关性。喀什‘灰枣’和‘骏枣’果实中矿质元素、总糖、总酸和维生素C等因子之间是既有协同作用,又有相互抑制,果实品质形成是各营养物质协同调控的结果。 相似文献
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1992年秋,我送朋友一盆带蕾三本菊‘龙盘蛇舞’。过几天,朋友惊喜地告诉我,那盆菊花开了两种颜色,两朵银灰背、内红的原色龙盘蛇舞,一朵开成了纯黄色(均见彩页)。我当即意识到黄色花朵可能是芽变新品种,就要回那盆菊精心养护,并和我国著名菊花专家、南京农业大学李鸿渐教授联系。李教授肯定是芽变新品种,建议压条、扦插繁殖,经栽培性状稳定后可作为新品种推广。经三年多栽培观察,芽变黄色花朵稳定,遂 相似文献