AA KOMARA GUNARA NIM : 1404020046 TWO PAKCHOY VARIETIES
RESPONSE (Brassica chinensis L.) IN WEED MANAGEMENT TREATMENT.
Consultants : Dr. Ir. Gayuh Prasetyo Budi, MP. dan Hamami Alfasani D, S.Si.,
M.Si.
SUMMARY
This study aimed to know the responses of pakchoy varieties treatment
towards the growth and pakchoy yield, to know the most efficient weeds
management response used in the cultivation of both pakchoy varieties as well as
to know the treatment interaction and weed management towards the growth and
yield of the plant.
This study was conducted on February, 2016 until March, 2016 on the
farm fields with around 300 meters height above the sea level in Linggaharja,
Mekarsari Village, Tambaksari sub-district, Ciamis District. The experimental
design used was Completely Randomized Design (CRD) with two treatment
factors. The first factor is the pakchoy varieties consisting of Gardena (V1) and
Flamingo (V2), while the second factor was the weed management consisting of
five types of weed management such us straw mulching (G1), clean weeding
(G2), twice weeding (G3), once weeding (G4), and no weeding (G5). The
observed variables included plant height, stem diameter, number of leaves, upper
biomass fresh weight, lower biomass fresh weight, upper biomass dry weight, and
lower biomass dry weight.
Gardena varieties produced upper biomass fresh weight (56.95 g) heavier
than Flamingo varieties (37.82 g). The weed management treatment significantly
affected to growth variable such as on the 30-days stem diameter, and on the
number of 30-days leaves. Howefer, it did not significantly affect on the 30-days
plant height. The weed management treatment significantly affected to all the
observed variable result. The best weed management for the growth and result
was by straw mulching which produced upper biomass fresh weight : 72.69 g.
There was interaction from varieties treatment and weed management treatment
with all growth variables and result variable except with upper biomass fresh
weight and upper biomass dry weight. Gardena varieties with straw mulching
treatment (V1G1) produced number of leaves the most productively : 10.83
leaves/plant.