Pengaruh penyemprotan maleic hydrazide dipertanaman dan cara penyimpanan terhadap pertunasan bawang merah (Allium ascalonicum L.).
1994
Sinaga R.M.
Shallots are popular vegetables in Indonesia so that they have an important trade. Like the other vegetables, shallots are perishable. The storage problem of shallots are sprouting and rotting. Good storage can reduce rooting. To inhibit sprouting Maleic Hydrazide (MH) was used. The first purpose of the research was to know an exact concentration of MH to inhibit sprouting. The second purpose was to find out a better storage to preserve the quality of shallots physically and chemically. The concentration of MH solution used were 0 ppm (as control), 1500 ppm, 3000 ppm, 4500 ppm, 6000 ppm and 7500 ppm (as treatment). The treatments of storage were bundle shallot and cutting shallot. The shallots were analyzed at the first month, second month and the third month of storage. The observation was on the percentage of sprout, percentage of root, weight loss, volatile reducing substance, total soluble solid and hardness. After those analyzes, the residues of MH in the sample was analyzed. Maximum residue limits of MH in onions were 15 ug/g (FAO, 1984). Spraying of MH 1500 ppm solution to shallot plants can reduce sprouting, rooting and weight loss. There is no significant difference between spraying MH 1500 ppm solution and Control in total soluble solid, volatile reducing substance and hardness of the shallots. The residue of 1500 ppm in shallots was 5.3 micro gram/9. The storage of bundle shallots is better than cutting shallots. The bundle shallots can reduce sprouting, rooting and weight loss. Total soluble solid and hardness of bundle shallots is also better than cutting shallots.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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