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風(fēng)??(feng)媒??(mei)花??(hua)粉??(fen)指??(zhi)借??(jie)助??(zhu)風(fēng)??(feng)力??(li)傳??(chuan)播?(bo)授??(shou)粉??(fen)的??(de)花?(hua)粉??(fen)??,一??(yi)般??(ban)花??(hua)粉??(fen)粒??(li)小?(xiao)、質(zhì)??(zhi)輕??(qing)、量??(liang)多??(duo)??,如??(ru)柏??(bai)樹??(shu)、楊??(yang)樹??(shu)、柳??(liu)樹??(shu)、樺??(hua)樹??(shu)、梧??(wu)桐?(tong)等??(deng);它??(ta)的??(de)特??(te)點(diǎn)??(dian)是??(shi)花??(hua)型??(xing)較??(jiao)小??(xiao)、色??(se)淺??(qian)、無??(wu)香??(xiang)味??(wei)??,數(shù)??(shu)量??(liang)多?(duo)??,花??(hua)粉??(fen)傳??(chuan)播??(bo)面??(mian)積?(ji)很??(hen)廣??(guang)、在??(zai)空??(kong)氣??(qi)中??(zhong)停??(ting)留??(liu)時(shí)?(shi)間??(jian)長(zhǎng)?(chang)??。?? 第??(di)二??(er)個(gè)??(ge)高??(gao)發(fā)?(fa)期??(qi)在?(zai)夏??(xia)秋?(qiu)季??(ji)??,以??(yi)致?(zhi)敏??(min)性??(xing)強(qiáng)??(qiang)的??(de)草??(cao)本??(ben)植??(zhi)物??(wu)開??(kai)花??(hua)為??(wei)主?(zhu)??,包??(bao)括??(kuo)蒿??(hao)屬?(shu)、草?(cao)屬??(shu)、豚??(tun)草??(cao)屬??(shu)、藜?(li)科??(ke)和??(he)莧??(xian)科??(ke)等??(deng)??。??NQGUJSSTWOqibao666888 feng ??(feng)mei ??(mei)hua ??(hua)fen ??(fen)zhi ??(zhi)jie ??(jie)zhu ??(zhu)feng ??(feng)li ??(li)chuan ??(chuan)bo ?(bo)shou ??(shou)fen ??(fen)de ??(de)hua ?(hua)fen ??(fen)??,yi ??(yi)ban ??(ban)hua ??(hua)fen ??(fen)li ??(li)xiao ?(xiao)、zhi ??(zhi)qing ??(qing)、liang ??(liang)duo ??(duo)??,ru ??(ru)bai ??(bai)shu ??(shu)、yang ??(yang)shu ??(shu)、liu ??(liu)shu ??(shu)、hua ??(hua)shu ??(shu)、wu ??(wu)tong ?(tong)deng ??(deng);ta ??(ta)de ??(de)te ??(te)dian ??(dian)shi ??(shi)hua ??(hua)xing ??(xing)jiao ??(jiao)xiao ??(xiao)、se ??(se)qian ??(qian)、wu ??(wu)xiang ??(xiang)wei ??(wei)??,shu ??(shu)liang ??(liang)duo ?(duo)??,hua ??(hua)fen ??(fen)chuan ??(chuan)bo ??(bo)mian ??(mian)ji ?(ji)hen ??(hen)guang ??(guang)、zai ??(zai)kong ??(kong)qi ??(qi)zhong ??(zhong)ting ??(ting)liu ??(liu)shi ?(shi)jian ??(jian)chang ?(chang)??。?? di ??(di)er ??(er)ge ??(ge)gao ??(gao)fa ?(fa)qi ??(qi)zai ?(zai)xia ??(xia)qiu ?(qiu)ji ??(ji)??,yi ??(yi)zhi ?(zhi)min ??(min)xing ??(xing)qiang ??(qiang)de ??(de)cao ??(cao)ben ??(ben)zhi ??(zhi)wu ??(wu)kai ??(kai)hua ??(hua)wei ??(wei)zhu ?(zhu)??,bao ??(bao)kuo ??(kuo)hao ??(hao)shu ?(shu)、cao ?(cao)shu ??(shu)、tun ??(tun)cao ??(cao)shu ??(shu)、li ?(li)ke ??(ke)he ??(he)xian ??(xian)ke ??(ke)deng ??(deng)??。??