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宁蔬新翠玉丝瓜是南京市蔬菜所利用经多年选育而成的自交系97-7-3-11-2(生长势强,以主蔓结瓜为主,第一瓜着生节位在主蔓第5节左右,瓜条匀称,长150cm左右,横径3cm,皮色绿,肉厚,品质好)与97-5-28-13-6(生长势、分枝性强,以主蔓结瓜为主,第一瓜着生节位在主蔓第6节左右,瓜条匀称坐果力强,果实短棒状,长35cm左右,横径4cm,皮色浅绿,肉厚,品质好)配制而成的一代杂种。经两年多来的多点试种,表现为早熟,果大、纤维少,品质佳不易老,商品性好,深受生产者和消费者喜爱。1特征特性植株生长势强,叶色浓绿,第1雌花着生节位为主蔓第5~6节,主侧蔓均可结瓜,… 相似文献
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甬瓠1号系宁波市农科院蔬菜研究所育成的瓠瓜杂种一代。早熟品种,较抗枯萎病,植株生长势和分枝性强,叶心脏形,叶色绿,以侧蔓结瓜为主,第一雌花节位低,一般着生在主蔓第3至4节位上侧蔓的第1节位,坐果率高。商品瓜表皮绿色,长棒形,瓜顶部尖圆,表面光滑,瓜横切面近圆形,瓜长约50cm,瓜横径4~5cm,单瓜质量约0.5kg,瓜肉白色,肉质致密,口感细嫩微甜,品质佳,商品性好。种子卵形,扁平茶褐色,千粒重93g左右。适作保护地早熟栽培或露地栽培,也可秋栽。 1 选择适宜的制种基地 瓠瓜种子的成熟期正逢江南梅雨季节,烂果现象比较严重,选择地势高爽… 相似文献
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吉杂16是以高代自交系01104-1-2-0-0为母本,以自交系02-196-1-1-1-m-m-m为父本配制而成的华南型黄瓜一代杂种。属早熟品种,从播种到采收55 d(天);植株生长势强,叶片中等,根系发达,株高380 cm,蔓粗0.95 cm,平均节数42节;以主蔓结瓜为主,平均第1雌花节位为3.5节;果实棒状,果长20~25 cm,单瓜质量150~210 g,果皮绿白色,黑刺,肉质细脆,微甜,有香气,商品性状优良;田间调查对霜霉病的抗性强于对照黑291,平均每667 m2产量为6 333.3 kg,适宜吉林省保护地栽培。 相似文献
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‘春丝2号’为普通丝瓜一代杂种。早熟,主蔓结瓜,第1雌花节位7.8节,主蔓10个节位内平均雌花数9个。商品瓜长棒形,皮绿色,被蜡霜,上下粗细均匀,瓜把短,瓜蒂略尖,瓜长30 ~ 40 cm,直径3 ~ 4 cm,肉质绿色,口感柔软,可溶性固形物含量4.3%。单瓜质量200 g左右。中抗霜霉病和白粉病,产量59 548.5 kg · hm-2,适宜浙江省及其周边地区栽培。 相似文献
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辣椒新品种新椒16号的选育 总被引:1,自引:0,他引:1
新椒16号是新疆石河子市蔬菜研究所育成的早熟辣椒一代杂种。该品种植株生长稳健,开展度小,适宜密植。株高60cm左右,分枝较强,主茎第7~8节着生第1朵花蕾,单生或双生,不易落花落果。单果质量70g左右,坐果集中,前期产量高,667m2产量3500~4500kg;果实粗大微皱;肉薄,辣味重。适宜西北5省区保护地及露地栽培,特别适合习惯种植螺蛳椒和猪大肠辣椒品种的区域栽培。 相似文献
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龙番1 号是以自交系TMX2511-2 为母本,以自交系TMX2535-4 为父本配制而成的抗TYLCV 番茄一代杂种。无
限生长类型,植株生长势强,始花节位为第8~9 节;果实红色,扁圆形,纵径6.5~7.0 cm,横径8.0~8.5 cm,单果质量
220 g 左右,果实硬度中等,幼果无绿肩;果实可溶性固形物含量5.9%,番茄红素含量0.035 mg · g-1,VC 含量0.167 mg · g-1,
一般每667 m2 产量8 500 kg 左右,高抗番茄黄化曲叶病毒病(TYLCV),抗叶霉病,中抗黄瓜花叶病毒病(CMV)、根结线虫,
适宜山西省吕梁、忻州、晋中、长治、大同等地春提早、秋延后塑料大棚种植。 相似文献
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试验采用‘金桂’桂花品种苗木在山坡地种植,在不同生长阶段采用疏移措施调整桂花密度。结果表明:不同生长阶段密度调控对桂花的生长具有极显著影响,以初植密度(株行距)1 m×1 m,在4年树龄及7年树龄时适时疏移2次的生长量最大;初植密度(株行距)2 m×2 m,在树龄6年疏移1次的生长量次之;初植密度(株行距)3 m×3 m,在生长期内不疏移的生长量最小。 相似文献
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A. P. Everaarts R. Booij C. P. De Moel 《The Journal of Horticultural Science and Biotechnology》2013,88(5):711-721
SummaryThe effects of three planting dates and three plant densities, covering most of the planting dates and densities used in the Netherlands, on yield determining factors of Brussels sprouts (Brassica olerácea var. gemmifera), were studied in field experiments during three seasons. Planting dates were between the end of April and early July. Plant density ranged between 2.7 and 4.4 plants per m2. Planting late in the season initially resulted in more leaves being formed, a higher Leaf Area Index and a longer stem. During crop growth this trend was reversed to a lower number of leaves formed, and in two of the three years a lower LAI and stem length when planting was delayed. The effect of plant density on these characteristics was generally either less pronounced than that of planting date or was absent. There was no, or only limited, interaction between the effects of planting date and plant density on these characteristics. The initial rate of dry-matter accumulation after planting was higher after planting late in the season, but the final amount of standing dry matter was reduced by the late planting. Plant density did not influence the final amount of standing dry matter. There was no interaction between the effects of planting date and plant density on dry-matter accumulation. Planting date and plant density hardly influenced the radiation use efficiency. Overall radiation use efficiency was 2.2 g MJ–1. The time of bud initiation expressed as numbers of days after planting was advanced by delayed planting, but was not influenced by plant density. Planting late in the season decreased the number of buds per plant and in one of the three years also reduced the weight per bud. A decrease in the number of buds per plant due to increased plant density was more than compensated for by the increase in number of plants per hectare. The final number of buds as a percentage of the final number of leaves, was either not, or not consistently, influenced by treatment. Bud dry-matter concentration at final harvest decreased when planting was delayed, but was not influenced by plant density. There was no interaction between the effects of planting date and plant density on bud dry-matter concentration. The dry-matter harvest index of 30–45% was not greatly affected by treatments. To aim for high yields, planting should be as early as field conditions allow. 相似文献
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摘顶对黄瓜^14C及^15N同化物运转与分配的影响 总被引:2,自引:0,他引:2
研究了长春密刺黄瓜于第15叶摘顶后,14C及15N同化物向各器官的运转与分配状况。结果表明,摘顶增加了14C和15N同化物向果实和侧枝的分配率,减少了向茎叶的分配率。摘顶15日内向根系的分配率与对照相比并无太大差异,但30日后却远低于对照,此时摘顶株其它备器官14C的放射性比强也明显低于对照。这是因摘顶15日后,功能叶片衰老,根系活力下降的缘故。 相似文献