000			01660nam a2200181Ia 4500
008			220216s9999 xx 000 0 und d
100			_aVieira R D
245		0	_aPhysiological quality of rubber tree seed treated with benomyl during storage
260			_bScientia Agricola _c1995
300			_a151-157
520			_aAfter rubber tree (Hevea brasiliensis Muell. Ag.) seeds reach the physiological maturity, there is a relatively dry and cold period in the State of Sao paulo, which led to the present work, in order to evaluate environmental conditions that maintain physiological seed quality. The physiological quality of rubber tree seeds, treated with benomyl (0.1;) and stored in plastic bags, was studied up to 5 months, during 87/88. The seed bags were kept under laboratory conditions during the whole storage period. To evaluate physiological seed quality, germination and vigor (germination speed and seedling length) tests were performed. Germination and germination speed were measured at 30 C, as well as under environmental conditions. There was no treatment effect on the maintenance of seed quality during storage. The germination, germination speed and seedling length were reduced as the storage period increased. The germination values were low since the bigining, which could be attributed to the low moisture content (25,4;) of the seeds. The germination test for rubber tree seeds can be performed using sand as substrate at 30 C and the final count made at the 20th day after planting.
650			_aGermination
650			_aSeed quality
650			_aVigor
700			_aBergamaschi M C M
700			_aMinohara L
942			_cJS
999			_c65006 _d65006