辐射诱变育成花生新品种“辐21”

NEW PEANUT VARIETY "FU21"INDUCED BY ^(60)Co γ-RAY IRRADIATION

花生新品种"辐21"系1968年春用^(60)Coγ射线20kR 照射"粤油22"干种子后经选育而成。"辐21"比原种"粤油22"植株矮生、分枝多、长势壮旺,百果重和含油率较高,抗旱性和抗病性较强,适应性较广,丰产稳产,有较大的增产效果。该品种在云南省重点地、县试验示范和推广,至1984年种植面积达5万亩左右。1985年估计达7万亩左右,历年累计16万亩以上。增产花生12.7万担,经济效益635万元。1983年经云南省农作物品种审定委员会审定合格,并颁发了良种合格证书。

New peanut variety"Fu 21"was developed by irradiation of variety "Yue You 22"dormant seeds with ^(60)Co γ-ray. Comparing with original"Yue You 22","Fu 21"is dwarf but more vigorous.It possesses more branches,heavier 100 fruit weight and higher oil content.The result shows that new variety is toleranct to dry damage and considerably disease-resistant.The adaptability and stable yield capacity of new variety was rather high.Its yields on mountainous region or on irri- gated land were increased. In Yunnan Province yields of"Fu 21"were increased up to 63.5 ton from more than 1067 hect ares,and the gained economical benefit was ab- out 6.3 million yuan,suggesting the"Fu 21"variety is a good variety in Yunnan Province.