Tiara Primayanti, 081041001 (2012) ANTAGONISME MIKORIZA Glomus sp. DAN Trichoderma harzianum SEBAGAI AGENSIA HAYATI TERHADAP Fusarium oxysporum PENYEBAB PENYAKIT BUSUK BATANG PADA TANAMAN JAGUNG (Zea mays L. var. Manding). Thesis thesis, UNIVERSITAS AIRLANGGA.

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Abstract

The aimed of this study are determine the effects of mycorrhizal Glomus sp. and Trichoderma harzianum and their combination against pathogenic fungi Fusarium oxysporum on growth and production of maize (Zea mays L. var. Manding). Planting is done in the rural farmland in Kendal village, Kendal sub-district, Ngawi district in May to July 2012, using a polybag. This research is experimental using completely randomized design and 3 x 4 factorial test. There are 6 treatment groups, which are the control group plants without giving mycorrhizal Glomus sp., Trichoderma harzianum and Fusarium oxysporum; group of plants by adding 30 g mycorrhizal Glomus sp.; group of plants by adding 30 mL Trichoderma Harzianum; group of plants by adding a mixture of 30 g mycorrhizal Glomus sp. and 30 mL Trichoderma harzianum; group of plants by adding 30 mL Fusarium oxysporum where there are differences in the time of inoculation which are at the time of planting and when plants aged 4 week after planting (WAP); and the combination of plants. Parameter attack Fusarium oxysporum includes broad attack of Fusarium oxysporum and attacks intensity of Fusarium oxysporum. Growth parameters include plant height, stem biomass, root length, root biomass, nutrient uptake on leaves. Production parameters include cornhusk + cob weight, cob weight without cornhusk, cob length, fresh weight and dry weight of corn kernels. Growth and production data of maize were analyzed by ANOVA test. If there is a significant difference followed by Duncan test at 5% level. The results showed that giving Fusarium oxysporum at the time of planting influential to the rotten stem on maize (Zea mays L. var. Manding) with broad attack 40% and intensity of attack 20%. The give of biological agents mycorrhizal Glomus sp. and Trichoderma harzianum along with mixture of mycorrhizal Glomus sp. and Trichoderma harzianum influential to patogenic fungi attack, Fusarium oxysporum, with broad attack and intensity of attack 0%. The give of biological agents mycorrhizal Glomus sp. and Trichoderma harzianum along with mixture of mycorrhizal Glomus sp. and Trichoderma harzianum provide a significant differences ( < 0,05) against the attack of Fusarium oxysporum to the growth and production of maize (Zea mays L. var. Manding). The give of mycorrhizal Glomus sp. results in highest mark on root length (41,2 cm/plant), root fresh weight (66,4 g/plant), root dry weight (28 g/plant), weight of wet grain (74,4 g/plant), seed dry weight (49,6 g/plant); cornhusk+cob weight (102.6 g/plant); without cornhusk cob weight (81 g/plant). The give of Trichoderma harzianum results in highest mark on plant height (181 cm/plant), wet stem weight (194 g/plant), stem dry weight (111.8 g/plant), and the length of the cob (9 cm/plant).

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