摘要
在油松无性系种子园初果期,花粉量不能满足自然授粉需要的情况下,进行人工辅助授粉可使好果率提高15.9%,出籽率提高0.8%,即在种子园球果产量相同的情况下,可使种子产量提高26.7%,另外辅助授粉还可提高球果的饱粒率,降低败育粒和空粒的比率,使种子的播种品质有所提高。
Pollen production of pinus tabulaeformis don't reached criterios ofnatural pollination when the clonic seed-ochard produce seeds early stage. Through artificial supplementary pollination can increase fruit rate 15.9%, production seed rate 0.8%.That is,when a pine tree cone prodution equate to others,the supplementary pollination can increase plumpness of seeds and seeds quality,reduce rate of abortion seed and vacant seed.
出处
《陕西林业科技》
北大核心
1989年第4期1-4,共4页
Shaanxi Forest Science and Technology
