Reducing stem bending increases the height growth of tall pines
نویسندگان
چکیده
منابع مشابه
The tall girl. Prediction of mature height and management.
The arrest of excessive tallness in girls with hormonal therapy has been reported to be useful, but lack of accuracy in the prediction of ultimate stature based on the tables of Bayley and Pinneau (1952) has allowed only a rough evaluation of its benefits. A series of 40 tall girls were treated with oestrogens and mature stature was evaluated by the method of Tanner et al. (1975). Results were ...
متن کاملThe tall girl Prediction of mature height and management MICHEL
The arrest of excessive tallness in girls with hormonal therapy has been reported to be useful, but lack of accuracy in the prediction of ultimate stature based on the tables of Bayley and Pinneau (1952) has allowed only a rough evaluation of its benefits. A series of 40 tall girls were treated with oestrogens and mature stature was evaluated by the method of Tanner et al. (1975). Results were ...
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مطالعات قبلی بازار بیمه را به صورت کلی در نظر می گرفتند اما در این مطالعه صنعت بیمه به عنوان متغیر مستفل به بیمه های زندگی و غیر زندگی شکسته شده و هم چنین بیمه های زندگی به رشته های مختلف بیمه ای که در بازار بیمه ایران سهم قابل توجهی دارند تقسیم میشود. با استفاده از روشهای اقتصاد سنجی داده های برای دوره های 48-89 از مراکز ملی داده جمع آوری شد سپس با تخمین مدل خود بازگشتی برداری همراه با تعدادی ...
15 صفحه اولAnomalous height increases upon bending for an Alexander–de Gennes polymer brush
We examine the bending of an Alexander–de Gennes polymer brush over a wide range of curvature from weak to strong. Two different models are used, a blob model and a simpler Flory mean field model. In both cases the height change upon bending is anomalous. In the case of a blob model the height increases for weak bending. In the Flory model there is no height change to first order in the curvatu...
متن کاملHeight growth determinants and adaptation to temperature in pines: a case study of Pinus contorta and Pinus monticola
In this study we aimed to compare and explain the height growth performance of two contrasting pine species: lodgepole pine (Pinus contorta Dougl. ex. Loud) and western white pine (Pinus monticola Dougl. ex D. Don.). We compiled measurements of total height growth at different ages and shoot elongation phenology realized in several provenance test trials for 109 provenances of lodgepole pine an...
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ژورنال
عنوان ژورنال: Journal of Experimental Botany
سال: 2006
ISSN: 0022-0957,1460-2431
DOI: 10.1093/jxb/erl079