RESPON DUA VARIETAS PAKCHOY (Brassica chinensis L.) PADA PERLAKUAN PENGELOLAAN GULMA

GUNARA, AA KOMARA (2016) RESPON DUA VARIETAS PAKCHOY (Brassica chinensis L.) PADA PERLAKUAN PENGELOLAAN GULMA. Bachelor thesis, UNIVERSITAS MUHAMMADIYAH PURWOKERTO.

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Abstract

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.

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