LIVIA, ALMIRA (2024) THE EFFECT OF VARIOUS NUTRIENT FORMULATIONS ON THE GROWTH AND PRODUCTION OF HYDROPONIC MELON (Cucumis melo L.). Undergraduate thesis, Fakultas Peternakan dan Pertanian Universitas Diponegoro.

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Abstract

This study aims to assess various nutrient formulations and varieties on the
growth and production of melon plants hydroponically. The research was conducted
from April to July 2024. The research was conducted in a melon greenhouse and the
Laboratory of Physiology and Plant Breeding, Department of Agriculture, Faculty of
Animal Husbandry and Agriculture, Diponegoro University, Semarang.
The experimental design used was a split plot arranged based on a completely
randomized design. The main plots were varieties, namely Golden Aroma (V1) and
New Century (V2). The subplots were nutrient formulations, namely Hoagland (N1),
Cooper (N2), Steiner (N3), and Goodplant (N4). Each experimental unit was planted
with 4 plants with 3 replications. Growth parameters observed were plant height,
number of leaves, stem diameter, leaf greenness, total chlorophyll content, carotenoid
content, nitrate reductase (ANR) activity, number of stomata, male flower emergence
time, and female flower emergence time. Production parameters observed were
number of male flowers, number of female flowers, fruit diameter, fruit length, fruit
flesh thickness, fruit weight, fruit sweetness level, and vitamin C content.
Environmental conditions observed were air temperature and humidity. The data
obtained were analyzed using Analysis of Variance followed by the Honest Real
Difference test (BNJ) at the 5% level.
The results showed that Hoagland, Cooper, and Goodplant nutrient
formulations were significantly higher than Steiner on leaf greenness parameters.
Cooper nutrient formulation was significantly higher than Goodplant in total
chlorophyll content of leaves. Hoagland and Cooper nutrient formulations were
significantly higher than Goodplant in fruit length and fruit weight. Cooper nutrient
formulation was significantly higher than Steiner on male flower emergence time.
The Golden Aroma variety was significantly higher than New Century in stem
diameter, leaf greenness, leaf total chlorophyll content, leaf carotenoid content,
stomatal number, fruit diameter, fruit flesh thickness, and fruit sweetness. Various
nutrient formulations on both varieties showed no significant difference in fruit
diameter. The interaction between Hoagland and Cooper nutrient formulations on
Golden Aroma variety was significantly higher than Goodplant on fruit length and
fruit weight parameters.
The conclusion of this study is that the Golden Aroma variety responds to
increased growth and production of melon plants on Hoagland and Cooper nutrient
formulations, but responds to decreased growth and production of melon plants on
Goodplant nutrient formulations shown in the parameters of fruit length and fruit
weight. The New Century variety gave the same growth and production response to
the application of Hoagland, Cooper, Steiner, and Goodplant nutrient formulations.

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