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油茶采穗圃早期高产栽培技术探讨
姚吉霞 邓荫伟 杜忠 张敏
周
新
富
分子植物育种, 2017, Vol.15 (6), p.2465-2471
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Title:
油茶采穗圃早期高产栽培技术探讨
Author:
姚吉霞 邓荫伟 杜忠 张敏
周
新
富
Subjects:
产量
;
密度
;
油茶
;
穗芽
;
采穗圃
Is Part Of:
分子植物育种, 2017, Vol.15 (6), p.2465-2471
Description:
为筛选油茶良种采穗圃最适栽培密度,为油茶生产提供优质穗芽。调查设6种栽植株行距、在同一坡向的上坡、中坡、下坡设立样区进行调查。调查不同栽植密度的株行距与油茶良种采穗圃植株的早期生长状况、单位面积的有效穗芽和平均产值的影响。在油茶良种采穗圃的早期生长过程中,以定植株行距为100 cm×300 cm的最优,其平均树高、基径生长分别为200 cm和5.83 cm,显著高于其他5种定植株行距;其次是100 cm×120 cm、100 cm×150 cm、100 cm×200 cm的3种定植株行距的平均树高分别197 cm、193 cm、197 cm,平均基径分别为4.43 cm、4.33 cm、3.97 cm。从保存率和产穗芽量、产值分析看:以定植株行距为45 cm×45 cm的最优,其保存率为93.73%,平均每公顷有效穗芽、产值分别为9.98×106个和5.00×105元,显著高于其他5种定植株行距;其次是100 cm×120 cm、100 cm×150 cm的2种栽培密度,其保存率分别为89.9%、89.4%,平均每公顷有效穗芽、产值分别为5.15×106个、2.57×105元和5.36×106个、2.68×105元。
Language:
Chinese
Identifier:
ISSN: 1672-416X
Source:
Alma/SFX Local Collection
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