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SKRIPSI PENGARUH LAMA PERENDAMAN BENIH DALAM AIR DAN DOSIS DOLOMIT PADA MEDIA GAMBUT RAWAPENING TERHADAP PERTUMBUHAN BIBIT KAKAO (Theobroma Cacaol)
ABSTRACT
The research aim is find out the effect of seed submerged in water and dolomit dose on cacao seedling growth (Theobroma cacao L) in peat moss media.
The research was began at March 4, 1992 until May 18, 1992 at Potrobangsan village, North Magelang sub district, Magelang regency, Central of Java Province, in the altitude 380 m of the sea level.
The research was done in the plastic hause, by Faktorial Design based on Complete Randomized Design (CRD), with two factors these are seed submerged in water and dolomit dose. The levels factor as follows:
Factor I : Seed submerged in water (P) has 3 levels
Po : no submerged in water
P1 : submerged in water 12 hours
P2 : submerged in water 24 hours
Factor II : Dolomit dose (D) has 4 levels
Do :no dolomit
D1 : dolomit dose 100 g/polybag
D2 : dolomit dose 150 g/polybag
D3 : dolomit dose 200 g/polybag
The result of the research that seed submerged in water significant to length of tap root and no signifi- cant to other parameters.
Dolomit dose very significant influence to the
leaves number, plant height, length of tap root, fresh weight of straws and dry weight of straws, but no significant to speed germination, stem diameter and seedling percentage.
The highest result for the leaves number, plant height, stem diameter, length of tap root, fresh weight of straws and dry weight of straws reached by dolomit dose 150 g/polybag (D₂ treatment).
There is no intraction effect betwen seed submer- ged in water and dolomit dose for all parameters observed.
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