seed production的例句大全

High-yielding Seed Production Techniques for Japonica Hybrid Rice in South-western Yunnan

滇西南地区杂交粳稻高产制种技术

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1973-1978 for groping stage of seed production techniques.

1.1973～1978年为制种技术摸索阶段。

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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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with tree seed production, business licenses, crop seeds and landscaping business license three of resources.

拥有林木种子生产, 经营许可证, 农作物种子经营许可证和园林绿化三级施工资源.

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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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Measures for Preventing and Controlling Kernel Smut in Hybrid Rice Seed Production

杂交水稻制种稻粒黑粉病综合防治技术

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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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The main results are as follows: 1. From 2006 to 2009, a new bacterial disease with dry rot symptom on stalks has frequently occurred in the maize hybrid seed production fields in Xinjiang and Gansu provinces, China.

本文对该病害进行了详细的研究，主要结果如下：1.从2006到2009年，干茎腐病在新疆、甘肃玉米制种地父本PS056茎秆上连续发生。

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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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Looking back at the history of marine aquaculture industry development, each mariculture tide is accompanied by a breakthrough in seed production.

回顾我国海水养殖业发展历史，每一次养殖浪潮的兴起都首先伴随着苗种生产的突破。

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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 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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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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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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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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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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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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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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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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Cultural Technique of Raising Outcrossing Rate in Hybrid Rice Seed Production

提高杂交水稻制种母本柱头外露率的栽培技术

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