seed production

The stage from seed production to seedling colonization is the most sensitive stage in plant life history. After seed dispersal, numerous biotic and abiotic factors influence seed fates and seedling mortality.

从种子生产到幼苗定居的更新是植物生活史中最为敏感的阶段之一，多种因素的影响种子和幼苗的命运。

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Distribution zone, planting area, tatol seed production, seed yeild and seed qulity of main cultivated varieties techniques of cultivation and management, market and price of seeds of tropical pastures in Hainan province are reported in this paper.

本文概述了海南省热带牧草种子生产的分布、种植面积及总产量，主要栽培品种的产量与质量，栽培管理技术，种子销售及价格等现状。

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Studies on the Efficiencies of Seed production of MS F1 oriental Tobacco

香料烟F1杂交种制种效率研究

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The thinning intensity and seed production per unit area wereclosely interrelated;

疏伐强度与母树林单位面积产种量相关密切；

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Studies on the new technique of improving upland cotton seed production

棉花自交混繁法原种生产技术研究

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The technology systems without or a few of using GA 3 in hybrid rice seed production and the establishment of e hybrid rice breeding system were also discussed in this paper.

就不用（少用）赤霉素的种子生产技术体系以及e杂交稻育种技术体系的建立进行了讨论。

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May adopt the seedbed in the sesame seed production to grow seedlings, transplant with few earth.

在芝麻生产中可采取苗床育苗 、 带少量土移栽.

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Predicting Heading Time by Leafing Interval Method in Hybrid Rice Seed Production

利用出叶间隔预测杂交水稻制种花期

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The results indicated that without moth-eaten and mycotic infection, the stir-baked seed of wild jujube had stable component quantity in one year. This study made seed of wild jujube and its processed products have confirmed standard to be used in market and industrial production.

结果表明：炒酸枣仁在一年内稳定，无虫蛀霉败现象，从而确定统一的标准，使酸枣仁及其炮制品达到准入的要求和产业化目标。

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The authors suggest that fertilizer irrigation should be used for increase of seed production.

调节水、肥条件改善生长环境是提高麻黄种子产量的可行途径.

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The Cultivation Techniques with High Benefit in Cucumber Seed Production Using Multiple Cropping

黄瓜制种间复种多作高效栽培技术

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The transgenic plants return to normal growth, and their seed production was close to normal.

转基因植物恢复正常生长并且它们的种子产出也接近正常水平.

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Direct Seeding of Female Parent and Semi-dry Cultural Techniques in Hybrid Rice Seed Production

杂交水稻制种母本大田直播半旱式栽培技术初探

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Rational plant density of female parent of ternary hybrid combination You IA/ 4761 was tested and defined at the seed production base of Yuping county.

在贵州三系杂稻制种基地玉屏县，对三系杂稻新组合优IA／4761进行了制种母本不同栽插基本苗数的试验研究。

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Study on Seed Production Technique of Yuza 29: A Hybrid Variety of Dian Type

滇型杂交水稻榆杂29制种技术研究

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Through years of study, the paper describes the growth, development and fruiting of Pinus armandi seed production forests under different thinning intensity, and it also proposes reasonable integrated thinning intensity plan for Pinus armandi seed production forests.

通过对华山松人工林不同疏伐强度的多年研究，展示了华山松母树林不同疏伐强度的生长、发育和结实情况，并提出了华山松母树林的合理综合疏伐强度指标。

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Seed production and asexual clonal growth cooperated with each other to make high reproductive effort.

有性繁殖和无性的克隆生长相互配合达到种群较高的繁殖效率；

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In search of new rice idioplasm resource was cried for the research of two-line hybrid rice according to the techno-thought of "revers genic sterile rice", so that the potential risk of two-line hybrid rice seed production could be eliminated radically.

在两系法杂交水稻的研究领域迫切需要按照反向核不育的技术思路寻找新的种质资源，以便从根本上消除两系杂交稻制种过程中的潜在风险。

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Establishment of Technical Regulations for Seed Production of Lolium multiflorum Lam in Jiangxi Province

江西省多花黑麦草种子生产技术规程

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History of hybrid hot ( sweet) pepper seed production, the seed's balanced production all year round and innovative techniques for the seed's production with scale efficiency in China are reviewed.

本文回顾了中国辣椒杂交种子的生产历史，介绍了辣椒杂交种子的周年均衡生产情况和规模生产技术方面的各种创新。

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Study on Fit Sex Ratio and Seed Production Period to Breeding Quail

种鹌鹑适宜性别比例及配种时间的研究

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Studies on Production of Gossypol from Cotton Seed

提取棉籽中棉酚的工艺研究

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The study on the relation between thinning intensity and seed production of the natural Scotch pine seed forest

樟子松天然母树林疏伐强度与种子产量的关系

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Study on Multilocular Heredity of B.juncea and Interspecific Hybridization between B.juncea and B.napus; STUDY ON TECHNIQUE FOR SEED PRODUCTION OF TERNARY HYBRID COLE-RAPE SOWING IN SPRING& ⅳ. EXPERIMENT OF OPTIMUM ROW-RATIO AND DENSITY

芥菜型油菜多室性状的遗传表现及其与甘蓝型油菜的种间远缘杂交甘蓝型三系杂交油菜春播制种技术研究&Ⅵ适宜行比与密度研究

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Broadcast Sowing Technique of Female Parent in Hybrid Rice Seed Production at High Elevation Areas of Guizhou

高海拔地区杂稻母本撒直播制种技术研究

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New original seed production program "artifical backcross plant-line cycle method" was designed to solve the problems in production of cytoplasmic male sterility.

针对BT型不育系混杂退化原因，提出人工回交株系循环法不育系原种繁种程序。

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Silk vigor is an important trait that effects hybrid seed production and hybrid production in maize.

花丝活力长短在一定程度上影响着玉米制种产量和杂交种产量,对玉米生产具有重要意义.

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After tip pruning, the plant becomes vigorous, but seed? setting rate is low and root production increase effect is not apparent.

打顶后植株生长旺盛，但结实率低，根部增产效果不明显。

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Various types of seed production area of 1382 mu, a total of Greenhouse 48 acre area.

各类制种面积达1382亩, 日光温室面积累计达到48亩.

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The Analysis of Study on the Benefit of Three Artificial Pollination Methods in Cotton Hybrid Seed Production

杂交棉人工制种不同授粉方法的效益分析

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