whitefly造句
(1) Greenfly, whitefly, sawfly are his familiars.
(2) Stop whitefly sprouting on my Brussels Q All my Brussels sprouts seem to have become infested with whitefly this year.
(3) Onions are one of the few crops that whitefly does not damage.
(4) Pest problems Greenhouse crops are susceptible to greenfly, whitefly and red spider mite which all feed on the leaves.
(5) Whitefly also encourage aphids which feed off the sugary deposits.
(6) The distribution of whitefly nymph on the plants of 223 summer soybean varieties was in vestigaled.
(7) "That's a type of whitefly, is it?"— 'Yes. it is a whitefly.'
(8) Whitefly transmission experiments showed that PaLCuCNV could be transmitted by Bemisia tabaci, but the efficiency was very low(8.33%).
(9) The results showed that:1 The mortality of whitefly gradually increased with the increasement of temperature and the prolongation of time.
(10) Citrus whitefly has been a major pest in citrus production.
(11) Focusing on every factor of whitefly mass reproduction, tobacco varieties, growth stage, distributions of whitefly eggs, inoculation time and so on were studied in large automatic greenhouses.
(12) Whitefly longevity and fecundity are the shortest and the lowest on treated cucumber plants with only phosphorus fertilizer.
(13) Whitefly occurred more rampant increasingly in greenhouses and fields horticulture crops at caused more serious economical expense.
(14) We used colour images of whitefly as samples, studied and discussed isolated point and unrelated small areas after performing gray level process and binary process.
(15) The occurrence and spatial population distribution of rice whitefly Aleurocybotus indicus ( Homoptera :Aleyrodidae) on rice were investigated.
(16) The chemicals upset the balance of the environment and killed not only the whitefly but also other wildlife including the bumble bee.
(17) The wasp lays eggs inside the eggs laid by the whitefly, thereby destroying the whitefly eggs.
(18) Experts call the insecticides a major advance and say Phoenix-area residents can expect a dramatic decline in the whitefly population this fall.
(19) Sticky traps for trapping and killing to have good result to the small insects, such as aphids, whitefly, Leafhopper, vegetable leaf miner, thrips, etc.
(20) The five small arthropod were still very serious pest, especially aphid, scale and whitefly.
(21) Geminiviruses may have favourable or unfavourable effects on the development, survival and reproduction of the whitefly.
(22) Using of entomogenous fungus will be one of the most important ways to control of the whitefly in the future.
(23) These eggs turn into ladybird larvae, which are among the biggest friends we gardeners have. They're ferocious predators on problem whitefly and red spider mite.
(24) Based on laboratory observations, leafhopper, Empoasca pirisuga, the citrus spiny whitefly, Aleurocanthus spiniferus, and tea aphid, Toxoptera aurantii were the main preys of the spiders.
(25) The ultra-morphological characteristics provided dependable reference to taxonomy for whitefly.
(26) Therefore, it is of significance, to some extent, to apply non morphological characteristics in whitefly taxonomy.
(27) This paper is intending to introduce the lastest research development and achievement in biocontrol of whitefly with entomogenous fungus.
(28) In order to control the emergence, and reduce danger, biological behaviour and control measurement to the greenhouse whitefly are discussed in this paper.
(29) Cotton leaf curl Multan virus is one of main pathogens that has caused severe cotton leaf disease in Pakistan and India. The disease is transmitted by the whitefly, Bemisia tabaci Genn.
(30) The results indicated that the effects of all insecticides on control spiraling whitefly was significantly different. Acetamiprid, methomyl and beta-cypermethrin were more effective against the pest.
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