PELAMBATAN SENESEN BIDANG SADAP TANAMAN KARET TERSERANG PENYAKIT KERING ALUR SADAP DAN RESPONNYA TERHADAP APLIKASI BIOSTIMULAN

LATUTOIBIN, RISAL and Suwandi, Suwandi and Herlinda, Siti (2017) PELAMBATAN SENESEN BIDANG SADAP TANAMAN KARET TERSERANG PENYAKIT KERING ALUR SADAP DAN RESPONNYA TERHADAP APLIKASI BIOSTIMULAN. Undergraduate thesis, Sriwijaya University.

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Abstract

One of the causes of declining rubber production is interference by the Tapping Panel Dryness (TPD). TPD triggered by an imbalance between regeneration latex in the latex vessels through excessive tapping (over exploitation) or physiological fatigue. The increasing of radical compounds caused by over exploitation leads to the coagulation of latex and the formation of tylosoid cell. The objective of this research was to study the senescence delay activity and latex dry weight of TPD affected tree and its response to a biostimulant application. The research was conducted at Tambangan Kelekar village, districts Gelumbang and Phytopathology Laboratory, Department of Plant Pests and Diseases Faculty of Agriculture, University of Sriwijaya from December 2016 to April 2017. This study consisted of 3 separated experiments, firstly experiment on healthy tree, secondly on partially TPD tree, and thirdly on totally TPD tree. Each experiment was arranged in a randomized block design with two treatments of biostimulant (formula M and S) and one control treatment. Each formula was treated on ten trees as replication. The result showed senescence delay activity of bark methanol extract collected from tapping panel was varied and not associated with the plant health. TPD drastically reduced the latex dry weight with 75,6 & 98% losses from partial and total TPD respectively. Both senescence delay activity and latex dry weight were not significantly affected by biostimulant applications.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Karet, Biostimulan, KAS, Pelambatan Senesen
Subjects:	S Agriculture > SB Plant culture > SB621-795 Plant pathology > SB732.56.P63 Plant deseases-Laboratory manuals.
Divisions:	05-Faculty of Agriculture > 54211-Agricultural Technology (S1)
Depositing User:	Users 2537 not found.
Date Deposited:	18 Oct 2019 03:15
Last Modified:	18 Oct 2019 03:15
URI:	http://repository.unsri.ac.id/id/eprint/11916

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