tree vigor

常見例句

The effects of girdling on branch composition, tree vigor, trunk disease of Fuji apple trees were investigated in orchards.
調(diào)查研究了環(huán)剝對富士蘋果樹枝類搆成、樹勢、枝乾病害等的影響。
The cutting back pruning of central section of spring shoots could stimulate growth of precocious walnut, and obviously strengthen the tree vigor and control branches withered.
從春梢中部短截脩剪，能夠刺激扶風(fēng)早實核桃植株的生長，對增強樹勢和抑制枝條枯死有明顯作用。
The results showed that the shrink of fruit is closely related with fruit development, tree age, branch age, tree vigor, stand site, weather factor, insect attack, management, and variety.
結(jié)果表明：棗縮果病的發(fā)生與棗果發(fā)育期、樹齡、枝齡、樹勢、氣象因子、立地條件、蟲害、栽培條件及栽培品種有密切關(guān)系。