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COMPENSATORY TAPPING SYSTEMS TO TAPPERS RARITY APPLIED TO THE CLONE PR 107 OF HEVEA BRASILIENIS (MUELL. ARG.): I ASSESSMENT OF 21 YEARS OF EXPLOITATION
Samuel OBOUATEBA - ไม่ระบุหน่วยงาน
ชื่อเรื่อง (EN): COMPENSATORY TAPPING SYSTEMS TO TAPPERS RARITY APPLIED TO THE CLONE PR 107 OF HEVEA BRASILIENIS (MUELL. ARG.): I ASSESSMENT OF 21 YEARS OF EXPLOITATION
ผู้แต่ง / หัวหน้าโครงการ (EN): Samuel OBOUATEBA
บทคัดย่อ (EN): The shortage of skilled tapppers is an increasing concern in rubber tree cultivation. A trial was carried out in Cote d’Ivoire in order to overcome this constraint for about 20 years. For tapping systems with increase frequency of hormonal stimulation but reduce tapping intensities, either by a reduction in tapping frequency ( ½ S d/6 6d/7 ET 5 % 8-10/y) or by a reduction in tapping length cut ( ½ S d/3 6d/7 ET 10 % 8-10/y) were compared to the control for the clone PR 107 ( ½ S d/3 6d/7 ET 5 % 4/y). Rubber trees were assessed for rubber production, bole growth, physiological profile and tapping panel dryness (TPD) occurrence. Results of several years of experimentation showed that the increase in hormonal stimulation frequency compensated partly to fully the reduction in tapping intensity while insuring satisfying bole growths and physiological states of trees, low occurrences of TPD, longer tapping periods resulting in longer economic life of trees. Tapping systems with lower tapping intensity and more intense hormonal stimulation were economically more profitable than the control. Hence, the concern about the lack of skilled tappers in rubber tree cultivation in large estate as well as in smallholdings can be effectively addressed by a reduction in tapping intensity along with an increase in hormonal stimulation.
บทคัดย่อ: ไม่พบข้อมูลจากหน่วยงานต้นทาง
ภาษา (EN): en
เผยแพร่โดย (EN): การยางแห่งประเทศไทย
คำสำคัญ (EN): Cote d’Ivoire.
เจ้าของลิขสิทธิ์ (EN): การยางแห่งประเทศไทย
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COMPENSATORY TAPPING SYSTEMS TO TAPPERS RARITY APPLIED TO THE CLONE PR 107 OF HEVEA BRASILIENIS (MUELL. ARG.): I ASSESSMENT OF 21 YEARS OF EXPLOITATION
Samuel OBOUATEBA
การยางแห่งประเทศไทย
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COMPENSATORY TAPPING SYSTEMS TO TAPPERS RARITY APPLIED TO THE CLONE PR 107 OF HEVEA BRASILIENIS (MUELL. ARG.): II EFFECT OF THE NATURE OF THE EXPLOITED BARK AND THE POSITION OF TAPPING PANEL Impact of The Reduction of The Tapping Frequency On the Agronomic and Physiological Parameters of Clone PB 260 of Hevea brasiliensis in the Centre West of Cote D’ ivoire in Order to Make Up For The Sh Assessment of Low Frequency Tapping Systems with Stimulation on Hevea in Southern Thailand Association of a Viroid with Tapping Panel Dryness of Hevea brasiliensis and its Molecular Characterization Carbohydrate Variation of Hevea Induced by Tapping Systems Phloic Rays in Hevea brasiliensis with Reference to Tapping Panel Dryness and Yield Stimulation Effects of drought and tapping for latex production on water relations of Hevea brasiliensis trees INFLUENCES OF LOW FERQUENCY UPWARD TAPPING SYSTEMS ON HEVEA BRASILIENSIS CLONE PB 260 Development and Promotion of Rubber (Hevea brasiliensis Muell Arg.) Towards Commercialization in Oriental and Occidental Mindoro Identification of Signalling Factors involved in the Regulation of Laticifer Metabolism by Tapping and Ethephon Stimulation in Hevea brasiliensis
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