The most weed species were Gramineae, Cyperaceae, Compositae, Scrophulariaceae, Alismataceae and Lythraceae.
杂草种类较多的科依次为禾本科、莎草科、菊科、玄参科、泽泻科、千屈菜科等。
The families including the most weed species were Gramineae, Cyperaceae, Compositae, Scrophulariaceae, Alismataceae and Lythraceae.
其中，杂草种类较多的科依次为禾本科、莎草科、菊科、玄参科、泽泻科、千屈菜科等。
The total effective rate against corn field grass family, dicotyledon, cyperaceae weeds can be higher than 86, and it is safe to corn and soybean crops.
本发明悬乳剂提高了防效，扩大了乙草胺和阿灭净的防治谱，对玉米田禾本科，双子叶，莎草科杂草的总防效达86%以上，而且对玉米，大豆等作物使用安全性好。
Besides, pollen of Abies, Picea, Pinus, Tsuga, Betula, Ericaceae, Labiatae and Cyperaceae and spores of Pteris, Polypodium and Selaginella were also observed.
此外，有冷杉、云杉、松、铁杉和桦等属乔木花粉和杜鹃科、唇形科、莎草科灌木和草本植物花粉及凤尾蕨、水龙骨、卷柏等属孢子。
The Gramineae and Cyperaceae were Locustae's main host. The Dicotyledon could be temporary host, however , it was bad for Locustae to grow up, breed and so on.
飞蝗嗜食寄主为禾本科、莎草科植物，双子叶植物可以成为飞蝗的临时寄主，但对飞蝗的发育、繁殖及后代均有明显的不利影响；
Significant changes in phytolith assemblages occur at the same depth as four major tephra. indicating a sharp decline in trees and shrubs and a surge in grass and Cyperaceae.
植硅体组合在4个主要的火山灰层都发生了明显的变化，表现在树木和灌木的急剧下降及禾草类和莎草科的繁盛。
Some of the species are flooded and vanished during the flood season. Only some tall grasses survive with high tolerance of submergence. The dominant species belong to Gramineae and Cyperaceae.
而高水位时，部分物种淹没死亡，余下以禾本科和沙草科植物为优势种草本植物群落。
Some of the species are flooded and vanished during the flood season. Only some tall grasses survive with high tolerance of submergence. The dominant species belong to Gramineae and Cyperaceae.
而高水位时，部分物种淹没死亡，余下以禾本科和沙草科植物为优势种草本植物群落。
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